/* Wavelength EdTech Platform - Design System */
/* Distinctive glassmorphism with atmospheric depth */

:root {
    /* Existing color palette - preserved from design_config.json */
    --primary-h: 220;
    --primary-s: 8%;
    --primary-l: 65%;
    --secondary-h: 200;
    --secondary-s: 70%;
    --secondary-l: 50%;
    --accent-h: 340;
    --accent-s: 80%;
    --accent-l: 55%;
    --success-h: 160;
    --success-s: 70%;
    --success-l: 45%;
    --warning-h: 45;
    --warning-s: 90%;
    --warning-l: 55%;
    --danger-h: 350;
    --danger-s: 80%;
    --danger-l: 55%;

    /* Semantic colors */
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --secondary: hsl(var(--secondary-h), var(--secondary-s), var(--secondary-l));
    --accent: hsl(var(--accent-h), var(--accent-s), var(--accent-l));
    --accent-secondary: var(--secondary);
    --accent-glow: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.35);
    --accent-glow-strong: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.5);
    --success: hsl(var(--success-h), var(--success-s), var(--success-l));
    --warning: hsl(var(--warning-h), var(--warning-s), var(--warning-l));
    --danger: hsl(var(--danger-h), var(--danger-s), var(--danger-l));

    /* Extended glass system */
    --glass-bg: rgba(255,255,255,0.04);
    --glass-bg-solid: hsl(var(--primary-h), 20%, 12%);
    --glass-border: rgba(255,255,255,0.08);
    --glass-hover: rgba(255,255,255,0.08);
    --glass-active: rgba(255,255,255,0.12);
    --glass-highlight: rgba(255,255,255,0.12);
    --glass-focus: rgba(255,255,255,0.1);
    --overlay: rgba(0,0,0,0.7);
    --overlay-blur: rgba(10, 10, 20, 0.85);

    /* Text hierarchy */
    --text-primary: #ffffff;
    --text-secondary: rgba(255,255,255,0.7);
    --text-muted: rgba(255,255,255,0.45);
    --text-dim: rgba(255,255,255,0.3);

    /* Background gradients - atmospheric depth */
    --bg-deep: hsl(var(--primary-h), 25%, 5%);
    --bg-grad-1: hsl(var(--primary-h), 20%, 8%);
    --bg-grad-2: hsl(var(--secondary-h), 25%, 7%);
    --bg-grad-3: hsl(var(--accent-h), 15%, 6%);

    /* Spacing scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Border radius scale */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-full: 999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Light Theme Overrides
   ============================================ */

[data-theme="light"] {
    --glass-bg: rgba(0, 0, 0, 0.03);
    --glass-bg-solid: hsl(var(--primary-h), 15%, 96%);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-hover: rgba(0, 0, 0, 0.06);
    --glass-active: rgba(0, 0, 0, 0.08);
    --glass-highlight: rgba(0, 0, 0, 0.06);
    --glass-focus: rgba(0, 0, 0, 0.06);
    --overlay: rgba(0, 0, 0, 0.4);
    --overlay-blur: rgba(240, 240, 245, 0.85);

    --text-primary: hsl(var(--primary-h), 20%, 15%);
    --text-secondary: hsl(var(--primary-h), 10%, 40%);
    --text-muted: hsl(var(--primary-h), 8%, 55%);
    --text-dim: hsl(var(--primary-h), 5%, 70%);

    --bg-deep: hsl(var(--primary-h), 15%, 97%);
    --bg-grad-1: hsl(var(--primary-h), 15%, 95%);
    --bg-grad-2: hsl(var(--secondary-h), 20%, 96%);
    --bg-grad-3: hsl(var(--primary-h), 10%, 94%);
}

[data-theme="light"] body {
    background-image:
        radial-gradient(ellipse 80% 50% at 20% 0%, hsla(var(--secondary-h), 40%, 80%, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 100%, hsla(var(--accent-h), 30%, 85%, 0.08) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-grad-1) 0%, var(--bg-deep) 30%, var(--bg-grad-2) 70%, var(--bg-grad-3) 100%);
}

[data-theme="light"] body::before {
    opacity: 0.015;
}

[data-theme="light"] h1 {
    background: linear-gradient(135deg, var(--text-primary) 0%, hsl(var(--secondary-h), var(--secondary-s), 35%) 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.03) inset;
}

[data-theme="light"] .glass-card {
    background: rgba(255, 255, 255, 0.65);
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
}

[data-theme="light"] .glass-card::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

[data-theme="light"] .glass-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(255, 255, 255, 0.9) inset;
}

[data-theme="light"] .glass-panel {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
}

[data-theme="light"] .glass-panel::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
}

[data-theme="light"] .kpi-card {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] th {
    background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] tr:hover td {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .table-wrapper {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] input[type="text"],
[data-theme="light"] input[type="email"],
[data-theme="light"] input[type="password"],
[data-theme="light"] input[type="number"],
[data-theme="light"] input[type="date"],
[data-theme="light"] input[type="search"],
[data-theme="light"] textarea,
[data-theme="light"] select {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.12);
    color: var(--text-primary);
}

[data-theme="light"] input:focus,
[data-theme="light"] textarea:focus,
[data-theme="light"] select:focus {
    background: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(0,0,0,0.4)' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

[data-theme="light"] select option {
    background: #fff;
    color: var(--text-primary);
}

[data-theme="light"] .user-dropdown {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .navbar-nav {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .nav-link.active {
    background: rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .badge-muted {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .footer {
    background: rgba(255, 255, 255, 0.5);
    border-top-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .modal-content {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .pin-dot {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .pin-tooltip {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .pin-tooltip::after {
    border-top-color: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .sensor-dot-offline {
    background: hsl(var(--primary-h), 8%, 72%);
}

[data-theme="light"] .building-room {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .filter-chip {
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .search-input {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(0, 0, 0, 0.1);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(0,0,0,0.35)' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
}

[data-theme="light"] .heatmap-metric {
    background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .status-legend {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .toast-undo {
    background: linear-gradient(135deg, hsl(var(--primary-h), 15%, 92%), hsl(var(--primary-h), 15%, 85%));
    border-color: rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
}

[data-theme="light"] .btn-secondary {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

[data-theme="light"] .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(0, 0, 0, 0.15);
}

/* Theme toggle button */
.theme-toggle {
    background: none;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    padding: 0;
}

.theme-toggle:hover {
    background: var(--glass-hover);
    color: var(--text-primary);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon { display: none; }

[data-theme="dark"] .theme-toggle .icon-sun,
:root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }

[data-theme="dark"] .theme-toggle .icon-moon,
:root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }

[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    background: var(--bg-deep);
    background-image:
        radial-gradient(ellipse 80% 50% at 20% 0%, hsla(var(--secondary-h), 40%, 20%, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 100%, hsla(var(--accent-h), 30%, 15%, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-grad-1) 0%, var(--bg-deep) 30%, var(--bg-grad-2) 70%, var(--bg-grad-3) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Atmospheric noise texture overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   Typography - DM Sans + Space Mono accents
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 1.375rem;
    margin-bottom: var(--space-sm);
}

h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

a {
    color: var(--secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: hsl(var(--secondary-h), var(--secondary-s), 65%);
}

/* Monospace accent for data/numbers */
.mono, code, kbd, .kpi-value {
    font-family: 'Space Mono', monospace;
}

kbd {
    display: inline-block;
    padding: 2px 6px;
    font-size: 0.75rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Layout
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl);
    position: relative;
    z-index: 1;
}

.page-content {
    padding: var(--space-lg);
}

/* ============================================
   Glass Cards & Panels
   ============================================ */

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    backdrop-filter: blur(40px) saturate(150%);
    box-shadow:
        0 20px 50px rgba(0,0,0,0.4),
        0 0 0 1px rgba(255,255,255,0.05) inset,
        0 1px 0 rgba(255,255,255,0.1) inset;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow:
        0 25px 60px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.08) inset,
        0 1px 0 rgba(255,255,255,0.15) inset;
}

.glass-panel {
    background: var(--glass-bg);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--glass-border);
    padding: var(--space-xl);
    backdrop-filter: blur(40px) saturate(150%);
    box-shadow:
        0 25px 70px rgba(0,0,0,0.45),
        0 0 0 1px rgba(255,255,255,0.05) inset,
        0 1px 0 rgba(255,255,255,0.1) inset;
    position: relative;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--secondary), hsl(var(--secondary-h), var(--secondary-s), 40%));
    box-shadow:
        0 4px 20px var(--accent-glow),
        0 0 0 1px rgba(255,255,255,0.1) inset;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 8px 35px var(--accent-glow-strong),
        0 0 0 1px rgba(255,255,255,0.2) inset;
    text-decoration: none;
}

.btn-secondary {
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 2px 10px rgba(0,0,0,0.1),
        0 1px 0 rgba(255,255,255,0.05) inset;
}

.btn-secondary:hover {
    background: var(--glass-hover);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-danger {
    color: #fff;
    background: linear-gradient(135deg, var(--danger), hsl(var(--danger-h), var(--danger-s), 45%));
    box-shadow: 0 4px 20px hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.4);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
}

.btn-icon {
    padding: 8px;
    width: 36px;
    height: 36px;
}

.btn:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: var(--space-lg);
}

label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-dim);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.2);
    background: rgba(255,255,255,0.06);
}

input.invalid,
textarea.invalid,
select.invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.2);
}

.field-error {
    display: block;
    color: var(--danger);
    font-size: 0.8125rem;
    margin-top: var(--space-xs);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
}

select option {
    background: var(--glass-bg-solid);
    color: var(--text-primary);
    padding: 8px;
}

/* ============================================
   Tables
   ============================================ */

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

th {
    background: rgba(255,255,255,0.03);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    position: sticky;
    top: 0;
}

tr {
    transition: background var(--transition-fast);
}

tr:hover td {
    background: rgba(255,255,255,0.03);
}

tr:last-child td {
    border-bottom: none;
}

/* ============================================
   Status Badges
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success {
    background: hsla(var(--success-h), var(--success-s), var(--success-l), 0.15);
    color: var(--success);
    border: 1px solid hsla(var(--success-h), var(--success-s), var(--success-l), 0.3);
}

.badge-warning {
    background: hsla(var(--warning-h), var(--warning-s), var(--warning-l), 0.15);
    color: var(--warning);
    border: 1px solid hsla(var(--warning-h), var(--warning-s), var(--warning-l), 0.3);
}

.badge-danger {
    background: hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.15);
    color: var(--danger);
    border: 1px solid hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.3);
}

.badge-info {
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.15);
    color: var(--secondary);
    border: 1px solid hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.3);
}

.badge-muted {
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
    border: 1px solid var(--glass-border);
}

/* ============================================
   Alerts/Messages
   ============================================ */

.alert {
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: hsla(var(--success-h), var(--success-s), var(--success-l), 0.12);
    border: 1px solid hsla(var(--success-h), var(--success-s), var(--success-l), 0.3);
    color: var(--success);
}

.alert-warning {
    background: hsla(var(--warning-h), var(--warning-s), var(--warning-l), 0.12);
    border: 1px solid hsla(var(--warning-h), var(--warning-s), var(--warning-l), 0.3);
    color: var(--warning);
}

.alert-danger, .alert-error {
    background: hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.12);
    border: 1px solid hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.3);
    color: var(--danger);
}

.alert-info {
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.12);
    border: 1px solid hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.3);
    color: var(--secondary);
}

/* ============================================
   Navigation
   ============================================ */

.navbar-wrapper {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 12px 20px 0;
    pointer-events: none;
}

.navbar {
    pointer-events: auto;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 8px 8px 20px;
    background: rgba(15, 15, 25, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow:
        0 8px 32px rgba(0,0,0,0.2),
        0 0 0 1px rgba(255,255,255,0.05) inset;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.navbar-logo {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary), hsl(var(--secondary-h), var(--secondary-s), 40%));
    border-radius: var(--radius-sm);
    color: white;
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.navbar-name {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 4px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.nav-link.active {
    color: var(--text-primary);
    background: var(--glass-active);
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* Nav group dropdowns */
.nav-group {
    position: relative;
}

.nav-group-trigger {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.nav-chevron {
    transition: transform var(--transition-fast);
    opacity: 0.5;
}

.nav-group.open .nav-chevron {
    transform: rotate(180deg);
}

.nav-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    min-width: 240px;
    background: var(--glass-bg-solid);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 6px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.3);
    z-index: 200;
}

.nav-dropdown::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 20px;
    border: 7px solid transparent;
    border-bottom-color: var(--glass-bg-solid);
}

.nav-dropdown::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    height: 14px;
}

.nav-group.open .nav-dropdown {
    display: block;
    animation: navDropIn 0.15s ease;
}

@keyframes navDropIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
    background: var(--glass-hover);
    color: var(--text-primary);
    text-decoration: none;
}

.nav-dropdown-item svg {
    flex-shrink: 0;
    opacity: 0.6;
}

.nav-dropdown-item:hover svg {
    opacity: 1;
}

.nav-dropdown-item span {
    display: flex;
    flex-direction: column;
}

.nav-dropdown-item strong {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-dropdown-item small {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1px;
}

[data-theme="light"] .nav-dropdown {
    background: #fff;
    border-color: rgba(0,0,0,0.08);
    box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}

[data-theme="light"] .nav-dropdown::before {
    border-bottom-color: #fff;
}

/* Prevent last dropdown from overflowing right edge */
.nav-group:last-child .nav-dropdown {
    left: auto;
    right: 0;
}

.nav-group:last-child .nav-dropdown::before {
    left: auto;
    right: 20px;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Hamburger menu button */
.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.hamburger-btn:hover {
    background: var(--glass-hover);
}

.hamburger-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all var(--transition-base);
}

.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sidebar overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay);
    backdrop-filter: blur(4px);
    z-index: 98;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* User dropdown */
.user-menu {
    position: relative;
}

.user-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--glass-bg-solid);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 8px;
    list-style: none;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    z-index: 200;
}

.user-dropdown.show {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-dropdown li a,
.user-dropdown li button {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.user-dropdown li a:hover,
.user-dropdown li button:hover {
    background: var(--glass-hover);
    color: var(--text-primary);
}

/* ============================================
   Sidebar
   ============================================ */

.layout-with-sidebar {
    display: flex;
    min-height: calc(100vh - 80px);
}

.sidebar {
    width: 240px;
    flex-shrink: 0;
    padding: var(--space-lg) var(--space-md);
    background: var(--glass-bg);
    border-right: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.sidebar-nav {
    list-style: none;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 4px;
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    color: var(--text-primary);
    background: var(--glass-hover);
    text-decoration: none;
}

.sidebar-link.active {
    color: var(--text-primary);
    background: var(--glass-active);
}

.main-content {
    flex: 1;
    padding: var(--space-lg) var(--space-xl);
    overflow-x: hidden;
}

/* ============================================
   KPI Cards
   ============================================ */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.kpi-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.kpi-card:hover::before {
    opacity: 1;
}

.kpi-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.kpi-value {
    font-family: 'Space Mono', monospace;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.kpi-subtext {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* ============================================
   Pagination
   ============================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.pagination a,
.pagination span {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination a:hover {
    color: var(--text-primary);
    background: var(--glass-hover);
    border-color: rgba(255,255,255,0.2);
}

.pagination .current {
    color: var(--text-primary);
    background: var(--glass-active);
}

/* ============================================
   Empty State
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    color: var(--text-muted);
}

.empty-state::before {
    content: '';
    display: block;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    background: var(--glass-bg);
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-lg);
}

.empty-state h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.empty-state p {
    max-width: 320px;
    margin: 0 auto;
}

/* Loading state */
.loading-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--secondary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--space-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: var(--space-lg) var(--space-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    text-align: center;
    margin-top: auto;
}

.footer a {
    color: var(--text-secondary);
    margin: 0 var(--space-sm);
    font-size: 0.875rem;
}

.footer a:hover {
    color: var(--text-primary);
}

.footer p {
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.keyboard-hint {
    margin-top: var(--space-md);
    opacity: 0.6;
}

/* ============================================
   Toast Notifications
   ============================================ */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    color: #fff;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 300px;
    max-width: 450px;
    pointer-events: auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
}

.toast-show {
    transform: translateX(0);
}

.toast-success {
    background: linear-gradient(135deg, var(--success), hsl(var(--success-h), var(--success-s), 35%));
}

.toast-error {
    background: linear-gradient(135deg, var(--danger), hsl(var(--danger-h), var(--danger-s), 45%));
}

.toast-info {
    background: linear-gradient(135deg, var(--secondary), hsl(var(--secondary-h), var(--secondary-s), 40%));
}

.toast-warning {
    background: linear-gradient(135deg, var(--warning), hsl(var(--warning-h), var(--warning-s), 45%));
}

.toast-undo {
    background: linear-gradient(135deg, hsl(var(--primary-h), 15%, 30%), hsl(var(--primary-h), 15%, 20%));
    border: 1px solid var(--glass-border);
}

.toast-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-message {
    flex: 1;
    font-size: 0.9375rem;
    font-weight: 500;
}

.toast-close,
.toast-action {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 0.875rem;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.toast-close:hover,
.toast-action:hover {
    background: rgba(255,255,255,0.15);
}

.toast-action {
    text-decoration: underline;
    font-weight: 600;
}

/* ============================================
   Confirm Modal
   ============================================ */

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-blur);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--glass-bg-solid);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    max-width: 480px;
    width: 100%;
    box-shadow: 0 25px 80px rgba(0,0,0,0.5);
    animation: scaleIn 0.2s ease;
}

.confirm-modal {
    max-width: 420px;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.confirm-modal h3 {
    margin-bottom: var(--space-sm);
}

.confirm-modal p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.modal-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* ============================================
   Filter Bar & Chips
   ============================================ */

.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.filter-bar-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-right: var(--space-sm);
}

.filter-chip {
    padding: 7px 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.filter-chip:hover {
    background: var(--glass-hover);
    border-color: rgba(255,255,255,0.2);
    color: var(--text-primary);
}

.filter-chip.active {
    background: var(--secondary);
    border-color: var(--secondary);
    color: #fff;
    box-shadow: 0 2px 12px var(--accent-glow);
}

.filter-count {
    margin-left: auto;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Search input in filter bar */
.search-input {
    padding: 8px 14px 8px 36px;
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-primary);
    font-size: 0.875rem;
    min-width: 200px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
}

.search-input:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.15);
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: var(--space-lg); }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 20px;
        --space-xl: 24px;
    }

    .hamburger-btn {
        display: flex;
        order: -1;
    }

    .navbar {
        padding: 8px 12px;
    }

    .navbar-nav {
        display: none;
        position: fixed;
        top: 70px;
        left: 16px;
        right: 16px;
        flex-direction: column;
        background: var(--glass-bg-solid);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        padding: var(--space-sm);
        box-shadow: 0 20px 60px rgba(0,0,0,0.4);
        z-index: 99;
    }

    .navbar-nav.mobile-active {
        display: flex;
    }

    .navbar-nav li,
    .navbar-nav .nav-group {
        width: 100%;
    }

    .nav-link {
        padding: 12px 16px;
        width: 100%;
    }

    .nav-group-trigger {
        width: 100%;
        justify-content: space-between;
    }

    .nav-dropdown {
        position: static;
        transform: none;
        min-width: auto;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 0 12px;
        background: transparent;
    }

    .nav-dropdown::before,
    .nav-dropdown::after {
        display: none;
    }

    .nav-group.open .nav-dropdown {
        animation: none;
    }

    .nav-dropdown-item {
        padding: 10px 12px;
    }

    .navbar-name {
        display: none;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .container {
        padding: var(--space-md);
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        position: fixed;
        z-index: 999;
        top: 0;
        left: 0;
        height: 100vh;
        width: 280px;
        background: var(--glass-bg-solid);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filter-bar {
        flex-wrap: wrap;
    }

    .building-viewer-container {
        flex-direction: column;
    }

    .sensor-side-panel {
        width: 100%;
    }

    .heatmap-metrics {
        grid-template-columns: repeat(3, 1fr);
    }

    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .kpi-value {
        font-size: 1.875rem;
    }

    .flex-between,
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .modal-overlay {
        padding: var(--space-md);
    }

    .quick-actions-strip {
        flex-direction: column;
    }

    .quick-actions-strip .btn {
        min-width: auto;
    }

    .heatmap-metrics {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-hero-summary {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* ============================================
   Insight Cards & Grid
   ============================================ */

.insight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-lg);
}

.insight-card {
    transition: border-color var(--transition-base);
}

.insight-card:hover {
    border-color: rgba(255,255,255,0.15);
}

.insight-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Dashboard Top Issues Triage */
.insight-triage-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.insight-triage-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--glass-border);
}

.insight-triage-item:last-child {
    border-bottom: none;
}

.insight-triage-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.insight-triage-content a {
    font-weight: 500;
    font-size: 0.9375rem;
}

/* ============================================
   Building Viewer
   ============================================ */

.building-viewer-container {
    display: flex;
    gap: var(--space-lg);
    min-height: 500px;
}

/* Building photo with pin overlays */
.building-photo-wrapper {
    flex: 1;
    position: relative;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    min-height: 400px;
}

.building-photo {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-xl);
}

.building-pins-layer {
    position: absolute;
    inset: -20px;
    padding: 20px;
    pointer-events: none;
}

.building-pin {
    pointer-events: auto;
}

/* Sensor pin on photo */
.building-pin {
    position: absolute;
    cursor: grab;
    z-index: 2;
    transform: translate(-50%, -50%);
    touch-action: none;
    user-select: none;
}

.pin-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(15, 15, 25, 0.75);
    backdrop-filter: blur(8px);
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.building-pin:hover .pin-dot {
    transform: scale(1.3);
    border-color: var(--secondary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5), 0 0 12px var(--accent-glow);
}

.pin-dot .sensor-dot {
    width: 12px;
    height: 12px;
}

/* Pin with critical status pulses */
.building-pin.pin-critical .pin-dot {
    border-color: var(--danger);
    animation: pin-pulse 2s ease infinite;
}

@keyframes pin-pulse {
    0%, 100% { box-shadow: 0 2px 12px rgba(0,0,0,0.4); }
    50% { box-shadow: 0 2px 12px rgba(0,0,0,0.4), 0 0 20px hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.5); }
}

/* Pin tooltip on hover */
.pin-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 15, 25, 0.92);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    white-space: nowrap;
    z-index: 10;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    min-width: 160px;
}

.pin-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(15, 15, 25, 0.92);
}

.building-pin:hover .pin-tooltip {
    display: block;
    animation: fadeIn 0.15s ease;
}

/* Flip tooltip below for pins near top */
.building-pin.pin-flip-y .pin-tooltip {
    bottom: auto;
    top: calc(100% + 10px);
}

.building-pin.pin-flip-y .pin-tooltip::after {
    top: auto;
    bottom: 100%;
    border-top-color: transparent;
    border-bottom-color: rgba(15, 15, 25, 0.92);
}

/* Align tooltip left for pins near right edge */
.building-pin.pin-flip-right .pin-tooltip {
    left: auto;
    right: 50%;
    transform: translateX(50%);
}

/* Align tooltip right for pins near left edge */
.building-pin.pin-flip-left .pin-tooltip {
    left: 50%;
    transform: translateX(-50%);
}

.pin-tooltip strong {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.pin-tooltip-type {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.pin-tooltip-sensors {
    display: flex;
    gap: 4px;
}

/* Larger building photo */
.building-photo-large {
    min-height: 520px;
}
.building-photo-large .building-photo {
    min-height: 520px;
    object-fit: cover;
}

/* Draggable pin states */
.building-pin.pin-dragging {
    cursor: grabbing;
    z-index: 100;
    opacity: 0.85;
}
.building-pin.pin-dragging .pin-dot {
    transform: scale(1.4);
    box-shadow: 0 6px 24px rgba(0,0,0,0.6), 0 0 16px var(--accent-glow);
    border-color: var(--secondary);
}
.building-pin.pin-dragging .pin-tooltip {
    display: none !important;
}

/* Drag hint below building image */
.pin-drag-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--text-muted);
    background: var(--glass-bg);
    border: 1px dashed var(--glass-border);
    border-radius: var(--radius-md);
}
.pin-drag-hint svg {
    flex-shrink: 0;
    opacity: 0.6;
}

/* Room cards grid below photo */
.building-rooms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-md);
    align-content: start;
}

.building-isometric {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-md);
    align-content: start;
}

.building-room {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.building-room::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--glass-border);
    transition: background var(--transition-base);
}

.building-room:hover {
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.building-room.sensor-normal::before { background: var(--success); }
.building-room.sensor-raised::before { background: var(--warning); }
.building-room.sensor-critical::before { background: var(--danger); }
.building-room.sensor-offline::before { background: var(--text-muted); }
.building-room.sensor-maintenance::before { background: hsl(var(--secondary-h), var(--secondary-s), var(--secondary-l)); }
.building-room.sensor-insight_active::before { background: var(--accent); }
.building-room.sensor-procurement_linked::before { background: hsl(270, 60%, 55%); }
.building-room.sensor-degraded::before { background: hsl(30, 80%, 50%); }

.room-label {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 2px;
}

.room-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.room-sensors {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.sensor-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.sensor-dot-normal { background: var(--success); }
.sensor-dot-raised { background: var(--warning); }
.sensor-dot-critical { background: var(--danger); animation: pulse-dot 1.5s ease infinite; }
.sensor-dot-offline { background: var(--text-muted); }
.sensor-dot-maintenance { background: var(--secondary); }
.sensor-dot-insight_active { background: var(--accent); }
.sensor-dot-procurement_linked { background: hsl(270, 60%, 55%); }
.sensor-dot-degraded { background: hsl(30, 80%, 50%); }

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

/* Sensor side panel */
.sensor-side-panel {
    width: 320px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    backdrop-filter: blur(20px);
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--transition-base);
    position: relative;
    flex-shrink: 0;
}

.sensor-side-panel.active {
    transform: translateX(0);
    opacity: 1;
}

.panel-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.panel-close:hover {
    color: var(--text-primary);
    background: var(--glass-hover);
}

/* Floor tabs */
.floor-tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    width: fit-content;
}

.floor-tab {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.floor-tab:hover {
    color: var(--text-primary);
}

.floor-tab.active {
    background: var(--glass-active);
    color: var(--text-primary);
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* Overlay toggles */
.overlay-toggles {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.overlay-toggle {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8125rem;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.overlay-toggle:hover:not(:disabled) {
    background: var(--glass-hover);
    border-color: rgba(255,255,255,0.2);
}

.overlay-toggle.active {
    background: var(--secondary);
    border-color: var(--secondary);
    color: #fff;
}

.overlay-toggle:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Status legend */
.status-legend {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    padding: var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ============================================
   Estate Heatmap
   ============================================ */

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.heatmap-school-card {
    position: relative;
    overflow: hidden;
}

.heatmap-health-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    transition: width var(--transition-slow);
    border-radius: 0 2px 2px 0;
}

.heatmap-metrics {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-top: 8px;
}

.heatmap-metric {
    text-align: center;
    padding: 8px 4px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
}

.heatmap-metric-value {
    display: block;
    font-family: 'Space Mono', monospace;
    font-size: 1.125rem;
    font-weight: 700;
}

.heatmap-metric-label {
    display: block;
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-top: 2px;
}

/* ============================================
   Focus States (Accessibility)
   ============================================ */

:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
}

/* Skip link for keyboard users */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: #fff;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    z-index: 10000;
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: 16px;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    body {
        background: white;
        color: black;
    }

    .navbar-wrapper,
    .footer,
    .hamburger-btn,
    .toast-container,
    .modal-overlay {
        display: none !important;
    }

    .glass-card,
    .glass-panel {
        background: white;
        border: 1px solid #ddd;
        box-shadow: none;
        backdrop-filter: none;
    }
}


/* ==========================================================================
   PROCUREMENT & GRANTS
   ========================================================================== */

/* Detail lists (dl/dt/dd) */
.detail-list {
    margin-top: 16px;
}
.detail-list dt {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}
.detail-list dd {
    margin-bottom: 14px;
    margin-left: 0;
}

/* Urgency badges */
.badge-urgency-critical { background: hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.2); color: hsl(var(--danger-h), var(--danger-s), calc(var(--danger-l) + 15%)); border: 1px solid hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.3); }
.badge-urgency-high { background: hsla(var(--warning-h), var(--warning-s), var(--warning-l), 0.2); color: hsl(var(--warning-h), var(--warning-s), calc(var(--warning-l) + 10%)); border: 1px solid hsla(var(--warning-h), var(--warning-s), var(--warning-l), 0.3); }
.badge-urgency-medium { background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.15); color: var(--secondary); border: 1px solid hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.25); }
.badge-urgency-low { background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.15); color: var(--text-secondary); border: 1px solid hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.2); }
.badge-urgency-preventive { background: hsla(var(--success-h), var(--success-s), var(--success-l), 0.15); color: var(--success); border: 1px solid hsla(var(--success-h), var(--success-s), var(--success-l), 0.25); }

/* Severity badges (insight-linked) */
.badge-severity-critical { background: hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.2); color: hsl(var(--danger-h), var(--danger-s), calc(var(--danger-l) + 15%)); }
.badge-severity-high { background: hsla(var(--warning-h), var(--warning-s), var(--warning-l), 0.2); color: hsl(var(--warning-h), var(--warning-s), calc(var(--warning-l) + 10%)); }
.badge-severity-medium { background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.15); color: var(--secondary); }
.badge-severity-low { background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.15); color: var(--text-secondary); }

.badge-category {
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.12);
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* AI label banner */
.ai-label-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 8px;
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.1);
    border: 1px solid hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.2);
    color: var(--secondary);
    font-size: 0.875rem;
}

/* Rejection banner */
.rejection-banner {
    padding: 12px 16px;
    border-radius: 8px;
    background: hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.08);
    border: 1px solid hsla(var(--danger-h), var(--danger-s), var(--danger-l), 0.2);
    color: var(--text-primary);
}
.rejection-banner strong {
    color: hsl(var(--danger-h), var(--danger-s), calc(var(--danger-l) + 15%));
}

/* Linked item card */
.linked-item {
    padding: 14px;
    border-radius: 8px;
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.05);
    border: 1px solid var(--glass-border);
}
.linked-item a {
    color: var(--secondary);
}

/* Insight prefill banner */
.insight-prefill-banner,
.linked-prefill-banner {
    border-left: 3px solid var(--secondary);
}

/* Empty state inline (within a card) */
.empty-state-inline {
    padding: 16px 0;
    text-align: center;
}

/* Form hint text */
.form-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Evidence bar (progress indicator) */
.evidence-bar {
    display: flex;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.1);
}
.evidence-bar-segment {
    transition: width 0.3s ease;
}
.evidence-sufficient { background: var(--success); }
.evidence-partial { background: var(--warning); }
.evidence-insufficient { background: var(--danger); }

/* Evidence dots */
.evidence-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
    vertical-align: middle;
}
.evidence-dot-sufficient { background: var(--success); }
.evidence-dot-partial { background: var(--warning); }
.evidence-dot-insufficient { background: var(--danger); }

/* Evidence fields grid */
.evidence-fields-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
.evidence-field-card {
    padding: 16px;
    border-radius: 8px;
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.04);
    border: 1px solid var(--glass-border);
    transition: border-color 0.2s;
}
.evidence-field-card:hover {
    border-color: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.3);
}
.evidence-field-card[data-status="sufficient"] {
    border-left: 3px solid var(--success);
}
.evidence-field-card[data-status="partial"] {
    border-left: 3px solid var(--warning);
}
.evidence-field-card[data-status="insufficient"] {
    border-left: 3px solid var(--danger);
}

/* AI-drafted section within evidence */
.ai-drafted-section {
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: 6px;
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.06);
    border: 1px dashed hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.15);
}
.ai-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Flagged notice */
.flagged-notice {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: hsl(var(--warning-h), var(--warning-s), var(--warning-l));
}

/* Evidence actions */
.evidence-actions {
    padding-top: 8px;
    border-top: 1px solid var(--glass-border);
}

/* Search input in filter bars */
.search-input {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.05);
    color: var(--text-primary);
    font-size: 0.875rem;
}
.search-input:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 2px hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.15);
}
.search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Success button */
.btn-success {
    background: var(--success);
    color: #fff;
    border: none;
    cursor: pointer;
}
.btn-success:hover {
    filter: brightness(1.1);
}

/* Warning button */
.btn-warning {
    background: var(--warning);
    color: #1a1a2e;
    border: none;
    cursor: pointer;
    font-weight: 600;
}
.btn-warning:hover {
    filter: brightness(1.1);
}

/* Evidence summary section */
.evidence-summary {
    padding: 14px;
    border-radius: 8px;
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.04);
    border: 1px solid var(--glass-border);
}

/* Quote accepted notice */
.accepted-notice {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 8px;
    background: hsla(var(--success-h), var(--success-s), var(--success-l), 0.1);
    border: 1px solid hsla(var(--success-h), var(--success-s), var(--success-l), 0.2);
    color: var(--success);
    font-weight: 600;
}

/* Table footer styling */
table tfoot td {
    padding: 8px 12px;
    border: none;
}

/* ============================================
   Landing Page
   ============================================ */

.landing-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.landing-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--bg-deep);
}

[data-theme="light"] .landing-hero-bg {
    background-color: var(--bg-grad-1);
}

.landing-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 50%, var(--bg-deep) 100%);
}

[data-theme="light"] .landing-hero-overlay {
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.4) 50%, var(--bg-deep) 100%);
}

.landing-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    max-width: 760px;
}

.landing-hero-brand {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary), hsl(var(--secondary-h), var(--secondary-s), 40%));
    border-radius: var(--radius-lg);
    color: white;
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1.75rem;
    margin: 0 auto var(--space-xl);
    box-shadow: 0 8px 32px var(--accent-glow);
}

.landing-hero h1 {
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .landing-hero h1 {
    background: linear-gradient(135deg, var(--text-primary) 0%, hsl(var(--secondary-h), var(--secondary-s), 30%) 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.landing-hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.75);
    max-width: 560px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

[data-theme="light"] .landing-hero-subtitle {
    color: var(--text-secondary);
}

.landing-hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.landing-scroll-indicator {
    margin-top: var(--space-3xl);
}

.landing-scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: 12px;
    margin: 0 auto;
    position: relative;
}

.landing-scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: 2px;
    animation: scrollBounce 2s ease infinite;
}

[data-theme="light"] .landing-scroll-indicator span {
    border-color: rgba(0,0,0,0.15);
}

[data-theme="light"] .landing-scroll-indicator span::before {
    background: rgba(0,0,0,0.3);
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

.landing-section {
    padding: var(--space-3xl) 0;
}

.landing-section-header {
    text-align: center;
    max-width: 540px;
    margin: 0 auto var(--space-2xl);
}

.landing-section-header p {
    font-size: 1.0625rem;
}

/* Trust bar */
.landing-trust-bar {
    text-align: center;
}

.landing-trust-text {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.landing-trust-metrics {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.landing-trust-pill {
    padding: 10px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.landing-trust-pill .mono {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
}

/* Feature cards */
.landing-feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--secondary), hsl(var(--secondary-h), var(--secondary-s), 40%));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: var(--space-md);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.landing-feature-card {
    text-align: left;
}

/* Steps / How it works */
.landing-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    justify-content: center;
}

.landing-step {
    flex: 1;
    max-width: 280px;
    text-align: center;
    padding: var(--space-lg);
}

.landing-step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    opacity: 0.3;
    margin-bottom: var(--space-sm);
}

.landing-step-line {
    width: 60px;
    height: 1px;
    background: var(--glass-border);
    margin-top: 56px;
    flex-shrink: 0;
}

/* Stats */
.landing-stats-section {
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.landing-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.landing-stat {
    text-align: center;
    min-width: 140px;
}

.landing-stat-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.landing-stat-suffix {
    font-family: 'Space Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
}

.landing-stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
}

/* Testimonials */
.landing-testimonial {
    text-align: left;
    position: relative;
    padding-top: var(--space-2xl);
}

.landing-quote-mark {
    position: absolute;
    top: 12px;
    left: var(--space-lg);
    font-size: 3rem;
    line-height: 1;
    color: var(--secondary);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.landing-testimonial p {
    font-style: italic;
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.landing-testimonial footer {
    display: flex;
    align-items: center;
    gap: 12px;
}

.landing-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary), hsl(var(--secondary-h), var(--secondary-s), 40%));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.landing-testimonial cite {
    display: block;
    font-style: normal;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Final CTA */
.landing-cta {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    position: relative;
}

.landing-cta::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-2xl);
    padding: 1px;
    background: linear-gradient(135deg, var(--secondary), var(--accent), var(--secondary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.3;
}

.landing-cta h2 {
    max-width: 480px;
    margin: 0 auto var(--space-md);
}

.landing-cta p {
    max-width: 440px;
    margin: 0 auto var(--space-xl);
}

/* Scroll reveal animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.scroll-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive landing */
@media (max-width: 768px) {
    .landing-steps {
        flex-direction: column;
        align-items: center;
    }

    .landing-step-line {
        width: 1px;
        height: 40px;
        margin: 0;
    }

    .landing-stats {
        gap: var(--space-xl);
    }

    .landing-stat-value {
        font-size: 2.25rem;
    }

    .landing-hero-content {
        padding: var(--space-xl) var(--space-md);
    }
}

@media (max-width: 480px) {
    .landing-trust-metrics {
        gap: var(--space-sm);
    }

    .landing-trust-pill {
        padding: 8px 14px;
        font-size: 0.8125rem;
    }
}

/* ============================================
   Auth Pages - Two Column
   ============================================ */

.auth-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

.auth-left {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-3xl);
    overflow: hidden;
}

.auth-left-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: hsl(var(--primary-h), 25%, 8%);
}

[data-theme="light"] .auth-left-bg {
    background-color: hsl(var(--primary-h), 15%, 92%);
}

.auth-left-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.5) 100%);
}

[data-theme="light"] .auth-left-overlay {
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.3) 100%);
}

.auth-left-content {
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 4px rgba(0,0,0,0.6), 0 0 12px rgba(0,0,0,0.3);
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: var(--space-3xl);
}

.auth-brand-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--secondary), hsl(var(--secondary-h), var(--secondary-s), 40%));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.auth-brand-name {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.375rem;
    font-weight: 700;
    color: #fff;
}

[data-theme="light"] .auth-brand-name {
    color: #fff;
}

.auth-testimonial {
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.08);
}

[data-theme="light"] .auth-testimonial {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.06);
}

.auth-testimonial p {
    font-style: italic;
    font-size: 0.9375rem;
    color: #fff;
    margin-bottom: var(--space-sm);
}

[data-theme="light"] .auth-testimonial p {
    color: #fff;
}

.auth-testimonial cite {
    font-style: normal;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.85);
}

[data-theme="light"] .auth-testimonial cite {
    color: rgba(255,255,255,0.85);
}

.auth-right {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    background: var(--bg-deep);
}

.auth-form-panel {
    width: 100%;
    max-width: 400px;
}

.auth-form-panel h2,
.auth-form-panel h3 {
    margin-bottom: var(--space-sm);
}

.auth-form-panel .form-group {
    margin-bottom: var(--space-md);
}

.auth-form-panel form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.auth-divider {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    position: relative;
    margin: var(--space-md) 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 20px);
    height: 1px;
    background: var(--glass-border);
}

.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }

@media (max-width: 768px) {
    .auth-layout {
        grid-template-columns: 1fr;
    }

    .auth-left {
        min-height: auto;
        padding: var(--space-xl);
    }

    .auth-testimonial {
        display: none;
    }

    .auth-right {
        padding: var(--space-xl) var(--space-md);
    }
}

/* ============================================
   Dashboard Hero Card
   ============================================ */

.dashboard-hero {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    padding: var(--space-2xl) var(--space-xl);
    margin-bottom: var(--space-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.dashboard-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.dashboard-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.4), rgba(0,0,0,0.2));
}

[data-theme="light"] .dashboard-hero-overlay {
    background: linear-gradient(135deg, rgba(0,0,0,0.35), rgba(0,0,0,0.15));
}

.dashboard-hero-content {
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5), 0 0 12px rgba(0,0,0,0.2);
}

.dashboard-hero-greeting {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: #fff;
}

.dashboard-hero-date {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}

.dashboard-hero-summary {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.dashboard-hero-stat {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: rgba(255,255,255,0.85);
}

.dashboard-hero-stat .mono {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}

/* KPI micro icons */
.kpi-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.kpi-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* Quick actions horizontal strip */
.quick-actions-strip {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: var(--space-md);
}

.quick-actions-strip .btn {
    flex: 1;
    min-width: 140px;
    justify-content: center;
}

/* Top issues severity border */
.insight-triage-item-bordered {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--glass-border);
    transition: background var(--transition-fast);
}

.insight-triage-item-bordered:hover {
    background: var(--glass-hover);
}

.insight-triage-item-bordered.severity-critical {
    border-left-color: var(--danger);
}

.insight-triage-item-bordered.severity-high {
    border-left-color: var(--warning);
}

.insight-triage-item-bordered.severity-medium {
    border-left-color: var(--secondary);
}

/* Page header utility */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.page-header h1 {
    margin-bottom: 0;
}

/* Breadcrumb nav */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    list-style: none;
}

.breadcrumb a {
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--text-primary);
}

.breadcrumb-sep {
    opacity: 0.4;
}

/* Empty state with icon */
.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-dim);
}

/* ============================================
   Report Form
   ============================================ */

.report-checkbox-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--glass-bg);
}

.report-checkbox-card:hover {
    border-color: var(--primary);
    background: hsla(var(--primary-h), 50%, 50%, 0.06);
}

.report-checkbox-card input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    flex-shrink: 0;
}

.report-checkbox-card:has(input:checked) {
    border-color: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    background: hsla(var(--primary-h), 50%, 50%, 0.08);
}

.report-checkbox-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.report-toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.report-toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
}

.form-hint {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-dim);
    margin-top: 4px;
}

/* Wizard Steps */
.wizard-steps {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 16px 0;
}

.wizard-step {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    position: relative;
    padding: 12px 16px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: color 0.2s;
}

.wizard-step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 1px;
    background: var(--glass-border);
}

.wizard-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid var(--glass-border);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dim);
    background: transparent;
    flex-shrink: 0;
    transition: all 0.25s;
}

.wizard-step.active {
    color: var(--text-primary);
}

.wizard-step.active .wizard-step-num {
    border-color: var(--secondary);
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.15);
    color: var(--secondary);
    box-shadow: 0 0 12px hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.25);
}

.wizard-step.completed {
    color: var(--text-secondary);
}

.wizard-step.completed .wizard-step-num {
    border-color: var(--success);
    background: hsla(var(--success-h), var(--success-s), var(--success-l), 0.15);
    color: var(--success);
}

.wizard-step.completed:not(:last-child)::after {
    background: var(--success);
    opacity: 0.5;
}

@media (max-width: 600px) {
    .wizard-steps {
        gap: 0;
    }
    .wizard-step {
        padding: 10px 8px;
        font-size: 0;
    }
    .wizard-step .wizard-step-label {
        display: none;
    }
    .wizard-step-num {
        width: 32px;
        height: 32px;
        font-size: 0.8125rem;
    }
}

/* Rejection / cancellation banner */
.rejection-banner {
    padding: 16px 20px;
    background: hsla(var(--warning-h), var(--warning-s), var(--warning-l), 0.08);
    border-left: 4px solid var(--warning);
    border-radius: 8px;
}

/* AI label banner */
.ai-label-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.06);
    border: 1px solid hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.15);
    border-radius: 8px;
}

/* Spend Overview (dashboard procurement tiles) */
.spend-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}
.spend-tile {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg, 12px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}
.spend-tile:hover {
    transform: translateY(-2px);
    border-color: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.35);
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.04);
}
.spend-tile-icon {
    flex: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.12);
    color: var(--secondary);
}
.spend-tile-body { flex: 1; min-width: 0; }
.spend-tile-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}
.spend-tile-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-top: 2px;
}
.spend-tile-sub {
    font-size: 0.75rem;
    margin-top: 2px;
}
.spend-tile-chevron {
    flex: none;
    color: var(--text-muted);
    transition: transform var(--transition-base), color var(--transition-base);
}
.spend-tile:hover .spend-tile-chevron {
    color: var(--secondary);
    transform: translateX(2px);
}

/* =========================
   In-portal Guide (page + modal)
   ========================= */
.guide-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 6px;
}
.guide-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: var(--space-md);
}
.guide-section-head h2 { font-size: 1.25rem; margin: 0; }
.guide-section-head p { margin: 0; color: var(--text-muted); font-size: 0.875rem; }

.pillar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}
.pillar-card {
    padding: 18px;
    border-radius: var(--radius-lg, 12px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: border-color var(--transition-base);
}
.pillar-card:hover { border-color: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.35); }
.pillar-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.12);
    color: var(--secondary);
    margin-bottom: 10px;
}
.pillar-title { font-weight: 600; margin-bottom: 2px; font-size: 0.9375rem; }
.pillar-copy { color: var(--text-muted); font-size: 0.8125rem; line-height: 1.5; margin: 0; }

.step-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-xl) 0;
    border-left: 2px solid var(--glass-border);
}
.step-item {
    position: relative;
    padding: 16px 16px 16px 48px;
    border-bottom: 1px solid var(--glass-border);
    transition: background var(--transition-base);
}
.step-item:last-child { border-bottom: none; }
.step-item:hover { background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.03); }
.step-num {
    position: absolute;
    left: -17px;
    top: 16px;
    width: 32px; height: 32px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 0.8125rem;
    background: var(--glass-bg-solid);
    border: 2px solid var(--glass-border);
    color: var(--text-primary);
    transition: border-color var(--transition-base), color var(--transition-base);
}
.step-item:hover .step-num { border-color: var(--secondary); color: var(--secondary); }
.step-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.step-title { font-size: 1rem; font-weight: 600; margin: 0; }
.step-copy { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.55; margin-top: 4px; max-width: 620px; }
.step-time {
    font-size: 0.6875rem;
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    white-space: nowrap;
}

.screen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}
.screen-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg, 12px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: transform var(--transition-base), border-color var(--transition-base);
}
.screen-card:hover {
    transform: translateY(-2px);
    border-color: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.35);
}
.screen-preview {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, hsla(var(--primary-h), 20%, 18%, 0.6), hsla(var(--secondary-h), 30%, 15%, 0.3));
    display: flex; align-items: center; justify-content: center;
    color: var(--secondary);
    border-bottom: 1px solid var(--glass-border);
}
[data-theme="light"] .screen-preview {
    background: linear-gradient(135deg, hsla(var(--primary-h), 20%, 94%, 0.9), hsla(var(--secondary-h), 30%, 92%, 0.6));
}
.screen-preview svg { width: 38px; height: 38px; opacity: 0.85; }
.screen-body { padding: 12px 14px; }
.screen-title { font-weight: 600; margin-bottom: 2px; font-size: 0.9375rem; }
.screen-copy { color: var(--text-muted); font-size: 0.8125rem; line-height: 1.45; }

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}
.help-card {
    padding: 18px;
    border-radius: var(--radius-lg, 12px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}
.help-card h4 { margin: 0 0 4px 0; font-size: 0.9375rem; }
.help-card p { margin: 0 0 10px 0; color: var(--text-muted); font-size: 0.8125rem; line-height: 1.5; }

/* Guide modal variant */
.guide-modal-overlay {
    padding: 24px;
    align-items: flex-start;
    justify-content: center;
    overflow-y: auto;
}
.guide-modal-overlay.active { display: flex; }
.guide-modal {
    background: var(--glass-bg-solid);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl, 16px);
    width: 100%;
    max-width: 960px;
    max-height: calc(100vh - 48px);
    margin: auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 60px rgba(0,0,0,0.35);
    overflow: hidden;
}
.guide-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
    background: linear-gradient(135deg, hsla(var(--primary-h), 20%, 10%, 0.4), transparent);
}
[data-theme="light"] .guide-modal-header {
    background: linear-gradient(135deg, hsla(var(--secondary-h), 30%, 95%, 0.5), transparent);
}
.guide-modal-header h2 {
    font-size: 1.375rem;
    margin: 0 0 4px 0;
    line-height: 1.2;
}
.guide-modal-sub {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    max-width: 560px;
}
.guide-modal-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.guide-modal-close {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color var(--transition-base), color var(--transition-base);
}
.guide-modal-close:hover { border-color: var(--secondary); color: var(--secondary); }
.guide-modal-body {
    overflow-y: auto;
    padding: 24px;
    flex: 1;
}
body.guide-modal-open { overflow: hidden; }

@media (max-width: 640px) {
    .guide-modal-overlay { padding: 8px; }
    .guide-modal-header { flex-direction: column; padding: 16px; }
    .guide-modal-body { padding: 16px; }
}

/* Guide full-page layout (used only by /guide/) */
.guide-hero {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    padding: clamp(32px, 6vw, 72px) clamp(24px, 5vw, 64px);
    margin-bottom: var(--space-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}
.guide-hero-bg {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
    z-index: 0;
}
.guide-hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(120deg, hsla(var(--primary-h), 30%, 8%, 0.9) 0%, hsla(var(--primary-h), 30%, 12%, 0.6) 55%, transparent 100%);
    z-index: 1;
}
[data-theme="light"] .guide-hero-overlay {
    background: linear-gradient(120deg, hsla(var(--primary-h), 15%, 98%, 0.85) 0%, hsla(var(--primary-h), 15%, 96%, 0.55) 55%, transparent 100%);
}
.guide-hero-content { position: relative; z-index: 2; max-width: 640px; }
.guide-hero h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); line-height: 1.1; margin: 0 0 12px 0; }
.guide-hero-sub { font-size: 1.0625rem; line-height: 1.5; color: var(--text-secondary); margin-bottom: 24px; }
.guide-cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

.guide-layout {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: var(--space-xl);
    align-items: start;
}
.guide-toc {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    border-radius: var(--radius-lg, 12px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    font-size: 0.8125rem;
}
.guide-toc a { padding: 6px 10px; border-radius: 6px; color: var(--text-secondary); text-decoration: none; }
.guide-toc a:hover, .guide-toc a.active {
    background: hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 0.08);
    color: var(--secondary);
}
@media (max-width: 900px) {
    .guide-layout { grid-template-columns: 1fr; }
    .guide-toc { display: none; }
}