/* ═══════════════════════════════════════════════════
   QuaMetry — Design System
   ═══════════════════════════════════════════════════ */

/* ──── CSS Variables (Light Theme) ──── */
:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-secondary: #7c3aed;
    --color-secondary-light: #ede9fe;
    --color-success: #16a34a;
    --color-success-light: #dcfce7;
    --color-warning: #d97706;
    --color-warning-light: #fef3c7;
    --color-danger: #dc2626;
    --color-danger-light: #fee2e2;
    --color-info: #0891b2;
    --color-info-light: #cffafe;

    --bg-body: #f0f4f8;
    --bg-card: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.85);
    --bg-hero: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #1e1b4b 100%);
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-on-dark: #f1f5f9;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --header-h: 60px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --bg-input: #f8fafc;
}

/* ──── Dark Mode ──── */
[data-theme="dark"] {
    --bg-body: #0b1120;
    --bg-card: #151d2e;
    --bg-header: rgba(15, 23, 42, 0.9);
    --bg-hero: linear-gradient(135deg, #0f172a 0%, #020617 50%, #1e1b4b 100%);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #1e293b;
    --border-hover: #334155;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.35);
    --color-primary-light: #1e3a5f;
    --color-secondary-light: #2d1b69;
    --color-success-light: #14532d;
    --color-warning-light: #78350f;
    --color-danger-light: #7f1d1d;
    --color-info-light: #164e63;
    --bg-input: #1e293b;
    --border-color: #334155;
}

/* ──── Reset & Base ──── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    font-size: 15px;
    color: var(--text-primary);
    background: var(--bg-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

/* ═══════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════ */

.header {
    height: var(--header-h);
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
}

.menu-toggle:hover {
    background: var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-icon {
    color: var(--color-primary);
    font-size: 1.3rem;
}

.icon-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1;
}

.icon-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════
   MAIN & FOOTER
   ═══════════════════════════════════════════════════ */

.main-wrapper {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer {
    border-top: 1px solid var(--border-color);
    padding: 20px 24px;
    margin-top: 48px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 15px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--text-on-dark);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    transform: translateY(-1px);
}

/* ═══════════════════════════════════════════════════
   BADGES
   ═══════════════════════════════════════════════════ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-info {
    background: var(--color-info-light);
    color: var(--color-info);
}

/* ═══════════════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════════════ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

/* ═══════════════════════════════════════════════════
   HERO SECTION (Index) — Theme-Adaptive
   ═══════════════════════════════════════════════════ */

.hero-section {
    background: linear-gradient(135deg, #ebf2ff 0%, #dbeafe 30%, #e0e7ff 70%, #ede9fe 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin: 24px 0;
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(37, 99, 235, 0.25);
    color: var(--color-primary);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.hero-logo-icon {
    color: var(--color-primary);
    margin-right: 4px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 16px;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Hero outline button — light mode */
.hero-section .btn-outline {
    color: var(--text-primary);
    border-color: var(--border-color);
    background: var(--bg-card);
}

.hero-section .btn-outline:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ──── Dark Mode Hero Override ──── */
[data-theme="dark"] .hero-section {
    background: linear-gradient(135deg, #0f172a 0%, #020617 50%, #1e1b4b 100%);
    border-color: #1e293b;
}

[data-theme="dark"] .hero-section::before {
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
}

[data-theme="dark"] .hero-section::after {
    background: radial-gradient(circle, rgba(124, 58, 237, 0.12) 0%, transparent 70%);
}

[data-theme="dark"] .hero-badge {
    background: rgba(37, 99, 235, 0.2);
    border-color: rgba(37, 99, 235, 0.3);
    color: #93c5fd;
}

[data-theme="dark"] .hero-title {
    color: white;
}

[data-theme="dark"] .hero-subtitle {
    color: #94a3b8;
}

[data-theme="dark"] .hero-description {
    color: #cbd5e1;
}

[data-theme="dark"] .hero-section .btn-outline {
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, 0.25);
    background: transparent;
}

[data-theme="dark"] .hero-section .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}


/* ═══════════════════════════════════════════════════
   FEATURES GRID (Index)
   ═══════════════════════════════════════════════════ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 8px 0 32px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════
   LINKTREE PAGE
   ═══════════════════════════════════════════════════ */

.linktree-page {
    padding: 32px 0 48px;
}

.linktree-header {
    text-align: center;
    margin-bottom: 36px;
}

.linktree-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.linktree-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 6px;
}

.tree-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

.tree-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition);
}

.tree-section:hover {
    border-color: var(--border-hover);
}

.tree-section-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

/* ──── Tree Lines ──── */
.tree,
.tree-sub {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tree>li {
    position: relative;
    padding-left: 0;
    margin-bottom: 4px;
}

.tree-sub {
    margin-left: 20px;
    padding-left: 16px;
    border-left: 2px solid var(--border-color);
    margin-top: 2px;
    margin-bottom: 8px;
}

.tree-sub>li {
    position: relative;
    padding: 3px 0;
}

.tree-sub>li::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 13px;
    width: 12px;
    height: 0;
    border-top: 2px solid var(--border-color);
}

.tree-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.93rem;
    text-decoration: none;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.tree-link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateX(3px);
}

.tree-link.disabled {
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

.tree-link.disabled:hover {
    background: none;
    transform: none;
    border-color: transparent;
}

.tree-icon {
    font-size: 1.15rem;
    flex-shrink: 0;
}

.tree-leaf {
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 2px 0;
    display: block;
}

.badge-coming {
    font-size: 10px;
    background: var(--color-warning-light);
    color: var(--color-warning);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: auto;
    font-weight: 600;
}

/* ISO Standard Badges in LinkTree */
.badge-core {
    color: var(--color-primary);
}

.badge-medical {
    color: #e11d48;
}

.badge-lab {
    color: var(--color-secondary);
}

.badge-env {
    color: var(--color-success);
}

.badge-safety {
    color: var(--color-warning);
}

.badge-security {
    color: var(--color-info);
}

/* ═══════════════════════════════════════════════════
   MODULE PAGE DEFAULTS
   ═══════════════════════════════════════════════════ */

.main-wrapper h1 {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 28px 0 8px;
    color: var(--text-primary);
}

.main-wrapper>p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ═══════════════════════════════════════════════════
   AUTH PAGES (Login / Register)
   ═══════════════════════════════════════════════════ */

.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - var(--header-h) - 100px);
    padding: 32px 16px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.auth-card-wide {
    max-width: 560px;
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 8px 0 4px;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ──── Form ──── */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 14px;
    transition: all var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* Input with icon */
.input-icon-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.input-icon-wrapper .form-input {
    padding-left: 40px;
}

/* Input with addon (quametry.com/) */
.input-addon-wrapper {
    display: flex;
    align-items: stretch;
}

.input-addon {
    display: flex;
    align-items: center;
    padding: 0 12px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.input-with-addon {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.field-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.field-error {
    font-size: 0.75rem;
    color: var(--color-danger);
}

/* Form row layouts */
.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

/* ──── Nav Tabs & Links ──── */
.nav-tabs {
    border-bottom: 1px solid var(--border-color) !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    border: 1px solid transparent !important;
    font-weight: 500;
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--color-primary) !important;
}

.nav-link.active {
    background: var(--bg-card) !important;
    border-color: var(--border-color) var(--border-color) var(--bg-card) !important;
    color: var(--color-primary) !important;
}

[data-theme="dark"] .nav-link.active {
    background: var(--bg-input) !important;
    border-color: var(--border-color) var(--border-color) var(--bg-input) !important;
}

.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-color);
}

.form-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--color-primary);
}

/* Button full width */
.btn-full {
    width: 100%;
}

/* Links */
.auth-link {
    color: var(--color-primary);
    font-size: 0.85rem;
}

.auth-link:hover {
    text-decoration: underline;
}

.auth-link-strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* Alert */
.alert {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
}

.alert-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

/* Auth footer */
.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* Header CTA buttons */
.header-auth {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-sm {
    padding: 7px 16px;
    font-size: 13px;
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: none;
}

.btn-ghost:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}


/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .hero-section {
        padding: 40px 20px;
        margin: 16px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-lg {
        width: 100%;
    }

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

    .tree-container {
        grid-template-columns: 1fr;
    }

    .main-wrapper {
        padding: 0 16px;
    }

    .auth-card {
        padding: 28px 20px;
    }

    .form-row-2col {
        grid-template-columns: 1fr;
    }

    .header-auth {
        display: none;
    }
}

/* Mobile Sidebar Drawer (Base - Hidden on Desktop) */
.sidebar-drawer {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100%;
    background: var(--bg-card);
    z-index: 1000;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    display: none;
    /* Hidden on desktop */
}

.sidebar-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    backdrop-filter: blur(4px);
}

@media (max-width: 768px) {

    .sidebar-drawer,
    .sidebar-drawer-overlay {
        display: flex;
        /* Show only on mobile when triggered */
    }

    .sidebar-drawer {
        display: flex;
    }

    .sidebar-drawer.open {
        transform: translateX(280px);
    }

    .sidebar-drawer-overlay.show {
        display: block;
    }
}

.sidebar-drawer-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-drawer-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-drawer-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
}

.sidebar-drawer-nav .nav-link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ──── Utilities ──── */
.d-none {
    display: none !important;
}

.d-flex {
    display: flex !important;
}

@media (min-width: 768px) {
    .d-md-none {
        display: none !important;
    }

    .d-md-flex {
        display: flex !important;
    }

    .d-md-block {
        display: block !important;
    }
}

.ml-4 {
    margin-left: 1.5rem !important;
}

.mr-4 {
    margin-right: 1.5rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }

    .header {
        padding: 0 16px;
    }
}

/* ═══════════════════════════════════════════════════
   ADMIN DASHBOARD LAYOUT
   ═══════════════════════════════════════════════════ */

.admin-wrapper {
    display: flex;
    min-height: calc(100vh - var(--header-h) - 100px);
    margin: 0 -24px;
}

.admin-sidebar {
    width: 260px;
    min-width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 0;
}

.admin-sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 20px 16px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.admin-sidebar-header svg {
    color: var(--color-primary);
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
}

.nav-item:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav-item.active {
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.nav-item.active svg {
    stroke: white;
}

/* ──── Sidebar Submenu ──── */
.nav-item-group {
    display: flex;
    flex-direction: column;
}

.nav-item-group .chevron {
    margin-left: auto;
    transition: transform var(--transition);
}

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

.submenu {
    display: none;
    flex-direction: column;
    padding-left: 36px;
    margin-top: 4px;
    gap: 2px;
}

.nav-item-group.expanded .submenu {
    display: flex;
}

.submenu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.82rem;
    text-decoration: none;
    transition: all var(--transition);
}

.submenu-item:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .submenu-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.submenu-item.highlight-template {
    color: var(--color-warning);
    font-weight: 600;
}

.submenu-item.highlight-template:hover {
    background: var(--color-warning-light);
}

[data-theme="dark"] .submenu-item.highlight-template:hover {
    background: rgba(217, 119, 6, 0.2);
}

.star-icon {
    font-size: 1.1rem;
    line-height: 1;
}

.submenu-item.subscribed {
    color: var(--text-primary);
}

.submenu-item.unsubscribed {
    opacity: 0.5;
    cursor: default;
}

.submenu-item input[type="checkbox"] {
    accent-color: var(--color-primary);
    pointer-events: none;
}

.sidebar-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0 14px 8px;
    letter-spacing: 0.5px;
}

.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid var(--border-color);
}

.sidebar-back-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
}

.sidebar-back-link:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.admin-content {
    flex: 1;
    padding: 28px 32px;
    min-width: 0;
    overflow-x: auto;
}

/* ──── Admin Page Header ──── */
.admin-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.admin-page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-page-header h1 svg {
    color: var(--color-primary);
}

.admin-page-subtitle {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ──── Stat Cards Grid ──── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 22px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.3rem;
}

.stat-icon.blue {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.stat-icon.green {
    background: var(--color-success-light);
    color: var(--color-success);
}

.stat-icon.purple {
    background: var(--color-secondary-light);
    color: var(--color-secondary);
}

.stat-icon.orange {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.stat-icon.cyan {
    background: var(--color-info-light);
    color: var(--color-info);
}

.stat-info {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}

/* ──── Section Cards ──── */
.admin-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.admin-section-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.admin-section-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.admin-section-card-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-section-card-header h3 svg {
    color: var(--text-secondary);
}

.section-link {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
}

.section-link:hover {
    text-decoration: underline;
}

/* ──── Recent List ──── */
.recent-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recent-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition);
    gap: 12px;
}

.recent-list-item:last-child {
    border-bottom: none;
}

.recent-list-item:hover {
    background: var(--color-primary-light);
}

.recent-item-main {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1;
}

.recent-item-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.82rem;
    flex-shrink: 0;
    color: white;
}

.recent-item-avatar.blue {
    background: var(--color-primary);
}

.recent-item-avatar.green {
    background: var(--color-success);
}

.recent-item-avatar.purple {
    background: var(--color-secondary);
}

.recent-item-avatar.orange {
    background: var(--color-warning);
}

.recent-item-info {
    min-width: 0;
}

.recent-item-name {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recent-item-meta {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.recent-item-badge {
    flex-shrink: 0;
}

/* ──── Data Tables ──── */
.data-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 28px;
}

.data-table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
    flex-wrap: wrap;
}

.data-table-toolbar h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.search-input {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 0.85rem;
    background: var(--bg-body);
    color: var(--text-primary);
    min-width: 220px;
    transition: border-color var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.87rem;
}

.data-table thead th {
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background: var(--bg-body);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--color-primary-light);
}

.data-table .cell-name {
    font-weight: 600;
}

.data-table .cell-slug {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    color: var(--text-secondary);
    background: var(--bg-body);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.data-table .cell-muted {
    color: var(--text-secondary);
    font-size: 0.82rem;
}

/* ──── Admin Table (Standardized) ──── */
.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.88rem;
}

.admin-table thead th {
    text-align: left;
    padding: 14px 16px;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-secondary);
    background: #f1f5f9;
    border-top: 1px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

[data-theme="dark"] .admin-table thead th {
    background: #1e293b;
}

.admin-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
    transition: background var(--transition);
}

.admin-table tbody tr:hover {
    background: rgba(37, 99, 235, 0.04);
}

.admin-table .text-right {
    text-align: right;
}

/* Bootstrap Overrides for Prominent Forms */
.form-control {
    border: 1.5px solid #cbd5e1 !important;
    background-color: #f8fafc !important;
    border-radius: var(--radius-md) !important;
    padding: 0.6rem 0.9rem !important;
}

.form-control:focus {
    border-color: var(--color-primary) !important;
    background-color: var(--bg-card) !important;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15) !important;
}

[data-theme="dark"] .form-control {
    border-color: #334155 !important;
    background-color: #1e293b !important;
    color: white !important;
}

/* ──── Status Badges ──── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.active {
    background: var(--color-success-light);
    color: var(--color-success);
}

.status-badge.inactive {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ──── Empty State ──── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state svg {
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ──── Admin Buttons ──── */
.btn-sm {
    padding: 6px 14px;
    font-size: 0.82rem;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-danger-ghost {
    background: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger-light);
}

.btn-danger-ghost:hover {
    background: var(--color-danger-light);
}

/* ═══════════════════════════════════════════════════
   ADMIN RESPONSIVE
   ═══════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .admin-section-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        position: fixed;
        left: -280px;
        top: var(--header-h);
        height: calc(100vh - var(--header-h));
        z-index: 90;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
    }

    .admin-sidebar.open {
        left: 0;
    }

    .admin-wrapper {
        margin: 0 -24px;
    }

    .admin-content {
        padding: 20px 16px;
    }

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

    .data-table-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-input {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .stat-grid {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════════════════════════
   TENANT DASHBOARD (APP)
   ═══════════════════════════════════════════════════ */

.app-wrapper {
    display: flex;
    min-height: calc(100vh - var(--header-h));
    background: var(--bg-body);
}

/* Tenant Sidebar - Based on Admin Sidebar */
.app-sidebar {
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.sidebar-close-btn {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    z-index: 101;
}

.sidebar-close-btn:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

.tenant-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.tenant-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tenant-name {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tenant-slug {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.app-content {
    flex: 1;
    padding: 32px;
    overflow-x: hidden;
}

.mobile-app-header {
    display: none;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-tenant-name {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Timeline/Activity Feed */
.timeline-container {
    padding: 16px 20px;
}

.timeline-item {
    display: flex;
    gap: 16px;
    padding-bottom: 24px;
    position: relative;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 17px;
    /* center of 34px icon */
    top: 34px;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
    z-index: 1;
    background: var(--bg-card);
    border: 2px solid var(--bg-body);
}

.timeline-icon.blue {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.timeline-icon.orange {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.timeline-icon.green {
    background: var(--color-success-light);
    color: var(--color-success);
}

.timeline-icon.purple {
    background: var(--color-secondary-light);
    color: var(--color-secondary);
}

.timeline-content {
    padding-top: 6px;
}

.timeline-title {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.timeline-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Quick Actions Grid */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 20px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.quick-action-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.qa-icon {
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .app-sidebar {
        position: fixed;
        left: -280px;
        top: var(--header-h);
        height: calc(100vh - var(--header-h));
        z-index: 100;
        box-shadow: var(--shadow-lg);
    }

    .app-sidebar.show {
        transform: translateX(280px);
    }

    .sidebar-close-btn {
        display: block;
    }

    .mobile-app-header {
        display: flex;
    }

    .app-content {
        padding: 20px 16px;
    }
}