/* ==========================================================================
   SIKKHALAY DIGITAL SCHOOL OS — PUBLIC INSTITUTION SHOWCASE
   Ultra-Modern, Advanced, Clean, Impressive & User-Friendly Stylesheet
   ========================================================================== */

:root {
    /* Brand & Accent Palette */
    --brand-primary: #059669;
    --brand-primary-hover: #047857;
    --brand-primary-light: rgba(5, 150, 105, 0.12);
    --brand-glow: rgba(5, 150, 105, 0.28);
    --brand-emerald: #10b981;
    --brand-emerald-dark: #065f46;

    --accent-sky: #0ea5e9;
    --accent-sky-light: rgba(14, 165, 233, 0.12);
    --accent-amber: #f59e0b;
    --accent-amber-light: rgba(245, 158, 11, 0.12);
    --accent-purple: #8b5cf6;
    --accent-purple-light: rgba(139, 92, 246, 0.12);
    --accent-rose: #f43f5e;
    --accent-rose-light: rgba(244, 63, 94, 0.12);

    /* Light Theme Surfaces & Backgrounds */
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-elevated: #f1f5f9;
    --bg-subtle: #f8fafc;
    --bg-card-hover: #e2e8f0;
    --bg-glass: rgba(255, 255, 255, 0.85);

    /* Text & Typography */
    --text-main: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverse: #ffffff;

    /* Borders */
    --border-color: #e2e8f0;
    --border-subtle: #cbd5e1;
    --border-glass: rgba(0, 0, 0, 0.08);

    /* Statuses */
    --status-success: #10b981;
    --status-info: #0284c7;
    --status-warning: #f59e0b;
    --status-danger: #ef4444;

    /* Border Radius Scale */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --radius-2xl: 28px;
    --radius-full: 9999px;

    /* Multi-Tier Elevation Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 6px 16px -2px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.09), 0 4px 8px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 24px 44px -8px rgba(0, 0, 0, 0.12), 0 8px 16px -4px rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --bottom-nav-height: 64px;
}

[data-theme="dark"] {
    --bg-base: #0b0f19;
    --bg-surface: #111827;
    --bg-elevated: #1e293b;
    --bg-subtle: #162032;
    --bg-card-hover: #24324a;
    --bg-glass: rgba(17, 24, 39, 0.85);

    --text-main: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0b0f19;

    --border-color: #1e293b;
    --border-subtle: #334155;
    --border-glass: rgba(255, 255, 255, 0.08);

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 6px 16px -2px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.55);
    --shadow-xl: 0 24px 44px -8px rgba(0, 0, 0, 0.65);
}

/* Base Reset & Core Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Plus Jakarta Sans', 'Inter', 'Hind Siliguri', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

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

button {
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
}

button:active {
    transform: scale(0.97);
}

/* ==========================================================================
   1. TOP GLOBAL NAVIGATION BAR (FROSTED GLASS)
   ========================================================================== */
.fb-navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 64px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    transition: background var(--transition-normal), border-color var(--transition-normal);
}

.fb-nav-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.fb-back-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    box-shadow: none !important;
}

.fb-back-btn:hover {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
    transform: translateX(-3px);
    box-shadow: none !important;
}

.fb-brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    padding: 3px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
    flex-shrink: 0;
    border: 1.5px solid var(--border-color);
    background: var(--bg-surface);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.fb-brand-logo:hover {
    transform: scale(1.06);
    border-color: var(--brand-primary);
}

.fb-brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 50%;
}

.fb-brand-text h1 {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    line-height: 1.2;
}

.fb-brand-sub {
    font-size: 11.5px;
    color: var(--text-muted);
    margin: 2px 0 0 0;
    line-height: 1.2;
    font-weight: 500;
}

.fb-nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Theme Switcher Button */
.fb-btn-theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.fb-btn-theme-toggle:hover {
    color: var(--brand-primary);
    background: var(--bg-surface);
    border-color: var(--brand-primary);
    transform: rotate(15deg);
}

.fb-btn-portal {
    background: linear-gradient(135deg, var(--brand-emerald) 0%, var(--brand-primary) 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 13px;
    padding: 9px 20px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 14px var(--brand-glow);
    white-space: nowrap;
    border: none;
}

.fb-btn-portal:hover {
    background: linear-gradient(135deg, #34d399 0%, var(--brand-primary-hover) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--brand-glow);
    color: #ffffff;
}

/* ==========================================================================
   2. HERO SECTION (CURVED COVER & OVERLAPPING IDENTITY)
   ========================================================================== */
.fb-hero-wrapper {
    max-width: 1240px;
    margin: 16px auto 0 auto;
    background: var(--bg-surface);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.fb-cover-container {
    position: relative;
    width: 100%;
    height: 320px;
    background: #0f172a;
    overflow: hidden;
}

.fb-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.90;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fb-hero-wrapper:hover .fb-cover-img {
    transform: scale(1.03);
}

.fb-cover-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,23,42,0.15) 0%, rgba(15,23,42,0.4) 50%, rgba(15,23,42,0.88) 100%);
}

.fb-cover-badge {
    position: absolute;
    top: 20px;
    right: 24px;
    background: rgba(15, 23, 42, 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(52, 211, 153, 0.45);
    color: #34d399;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    z-index: 5;
}

.fb-cover-badge i {
    font-size: 12px;
}

/* Floating Profile Identity Bar */
.fb-profile-bar {
    padding: 0 32px 24px 32px;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.fb-profile-left {
    display: flex;
    align-items: flex-end;
    gap: 24px;
    margin-top: -64px;
}

.fb-avatar-holder {
    position: relative;
    width: 136px;
    height: 136px;
    border-radius: var(--radius-2xl);
    background: var(--bg-surface);
    padding: 4px;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--bg-surface);
    flex-shrink: 0;
    z-index: 10;
    transition: transform var(--transition-fast);
}

.fb-avatar-holder:hover {
    transform: scale(1.02);
}

.fb-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius-2xl) - 6px);
}

.fb-verified-tick {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #0284c7;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3.5px solid var(--bg-surface);
    font-size: 14px;
    box-shadow: var(--shadow-md);
    animation: tickPulse 3s infinite;
}

@keyframes tickPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(2, 132, 199, 0); }
}

.fb-identity-details {
    margin-bottom: 6px;
}

.fb-inst-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.25;
    letter-spacing: -0.4px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.fb-inst-title-bn {
    font-size: 17px;
    font-weight: 600;
    color: var(--brand-primary);
    margin-top: 4px;
    font-family: 'Hind Siliguri', sans-serif;
}

.fb-inst-meta-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.fb-meta-pill {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.fb-meta-pill:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
    border-color: var(--border-subtle);
}

.fb-motto-strip {
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-elevated);
    padding: 4px 12px;
    border-radius: var(--radius-md);
    width: fit-content;
    border-left: 3px solid var(--brand-primary);
}

/* Action Buttons Bar */
.fb-profile-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.fb-btn-action-primary {
    background: linear-gradient(135deg, var(--brand-emerald) 0%, var(--brand-primary) 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 13.5px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 14px var(--brand-glow);
    white-space: nowrap;
}

.fb-btn-action-primary:hover {
    background: linear-gradient(135deg, #34d399 0%, var(--brand-primary-hover) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--brand-glow);
    color: #ffffff;
}

.fb-btn-action-secondary {
    background: var(--bg-elevated);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 13px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.fb-btn-action-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-subtle);
    transform: translateY(-2px);
    color: var(--brand-primary);
}

/* ==========================================================================
   3. STICKY SEGMENTED TAB NAVIGATION BAR
   ========================================================================== */
.fb-tab-bar {
    max-width: 1240px;
    margin: 16px auto 0 auto;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    position: sticky;
    top: 72px;
    z-index: 900;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(16px);
}

.fb-tab-bar::-webkit-scrollbar {
    display: none;
}

.fb-tab-btn {
    background: transparent;
    border: none;
    padding: 10px 18px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: var(--radius-lg);
    white-space: nowrap;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.fb-tab-btn:hover {
    color: var(--text-main);
    background: var(--bg-elevated);
}

.fb-tab-btn.active {
    color: #ffffff;
    background: var(--brand-primary);
    font-weight: 700;
    box-shadow: 0 4px 12px var(--brand-glow);
}

.fb-tab-btn.active i {
    color: #ffffff !important;
}

.fb-tab-count {
    background: rgba(0, 0, 0, 0.08);
    font-size: 10.5px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    color: inherit;
}

[data-theme="dark"] .fb-tab-count {
    background: rgba(255, 255, 255, 0.12);
}

/* ==========================================================================
   4. PAGE MAIN 2-COLUMN GRID CONTAINER
   ========================================================================== */
.fb-page-container {
    max-width: 1240px;
    margin: 20px auto 80px auto;
    padding: 0 8px;
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 20px;
    align-items: start;
}

/* ==========================================================================
   5. LEFT SIDEBAR WIDGETS
   ========================================================================== */
.fb-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.fb-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

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

.fb-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.fb-card-title {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.2px;
}

/* Intro Items */
.fb-info-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.fb-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.fb-info-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    background: var(--brand-primary-light);
    color: var(--brand-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
}

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

.fb-info-content strong {
    color: var(--text-main);
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 2px;
}

.fb-info-content span {
    word-break: break-word;
}

/* Principal Desk Widget */
.fb-principal-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
}

.fb-principal-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    border: 2px solid var(--brand-primary);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.fb-principal-name {
    font-size: 14.5px;
    font-weight: 800;
    color: var(--text-main);
}

.fb-principal-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--brand-primary);
}

.fb-principal-quote {
    background: var(--bg-surface);
    border-left: 3px solid var(--brand-primary);
    padding: 12px 14px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 12.5px;
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 12px;
    box-shadow: var(--shadow-xs);
}

/* Board Honor & Performance Metrics */
.fb-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.fb-stat-box {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 14px 10px;
    text-align: center;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.fb-stat-box:hover {
    transform: translateY(-2px);
    border-color: var(--brand-primary);
}

.fb-stat-num {
    font-size: 22px;
    font-weight: 800;
    color: var(--brand-primary);
    line-height: 1.1;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.fb-stat-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ==========================================================================
   6. RIGHT MAIN CONTENT STREAM / TAB PANELS
   ========================================================================== */
.fb-main-feed {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.fb-tab-panel {
    display: none;
    animation: fbFadeIn 0.35s ease;
}

.fb-tab-panel.active {
    display: block;
}

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

/* Pinned Announcement Box */
.fb-pinned-announcement {
    background: linear-gradient(135deg, var(--brand-primary-light) 0%, var(--accent-sky-light) 100%);
    border: 1px solid rgba(5, 150, 105, 0.3);
    border-radius: var(--radius-xl);
    padding: 22px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    box-shadow: var(--shadow-sm);
}

.fb-pinned-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    background: var(--brand-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: 0 4px 14px var(--brand-glow);
}

.fb-pinned-title {
    font-size: 16.5px;
    font-weight: 800;
    color: var(--text-main);
}

.fb-pinned-desc {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-top: 6px;
    line-height: 1.6;
}

/* Feed Post Cards */
.fb-post-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.fb-post-card:hover {
    box-shadow: var(--shadow-md);
}

.fb-post-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.fb-post-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
}

.fb-post-meta {
    flex: 1;
}

.fb-post-author {
    font-size: 14.5px;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}

.fb-verified-badge {
    color: #0284c7;
    font-size: 13px;
}

.fb-post-time {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 2px;
}

.fb-post-content {
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.65;
    margin-bottom: 14px;
}

.fb-post-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 14px;
    max-height: 440px;
    background: #0f172a;
    cursor: pointer;
    position: relative;
}

.fb-post-img {
    width: 100%;
    height: 100%;
    max-height: 440px;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}

.fb-post-media:hover .fb-post-img {
    transform: scale(1.02);
}

.fb-post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 10px;
}

.fb-btn-post-action {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.fb-btn-post-action:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
    border-color: var(--border-subtle);
}

/* Real Facebook-Style Emoji Reaction System */
.fb-react-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.fb-reactions-tray {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 40px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22), 0 2px 6px rgba(0, 0, 0, 0.08);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px) scale(0.85);
    transform-origin: bottom left;
    transition: opacity 0.22s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                transform 0.22s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
}

.fb-react-wrapper:hover .fb-reactions-tray,
.fb-react-wrapper.tray-active .fb-reactions-tray {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.fb-reaction-btn-emoji {
    background: transparent;
    border: none;
    outline: none;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 50%;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.fb-reaction-btn-emoji:hover {
    transform: scale(1.45) translateY(-8px);
}

.fb-reaction-btn-emoji::after {
    content: attr(data-title);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: rgba(15, 23, 42, 0.92);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.15s ease;
}

.fb-reaction-btn-emoji:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.fb-react-main-btn {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
    user-select: none;
}

.fb-react-main-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
}

.fb-react-main-btn.reacted-like {
    color: #1877f2 !important;
    background: rgba(24, 119, 242, 0.12) !important;
    border-color: rgba(24, 119, 242, 0.35) !important;
}

.fb-react-main-btn.reacted-love {
    color: #f33e58 !important;
    background: rgba(243, 62, 88, 0.12) !important;
    border-color: rgba(243, 62, 88, 0.35) !important;
}

.fb-react-main-btn.reacted-care,
.fb-react-main-btn.reacted-haha,
.fb-react-main-btn.reacted-wow,
.fb-react-main-btn.reacted-sad {
    color: #d97706 !important;
    background: rgba(245, 158, 11, 0.12) !important;
    border-color: rgba(245, 158, 11, 0.35) !important;
}

.fb-react-main-btn.reacted-angry {
    color: #e9710f !important;
    background: rgba(233, 113, 15, 0.12) !important;
    border-color: rgba(233, 113, 15, 0.35) !important;
}

/* ==========================================================================
   7. FACULTY & TEACHERS DIRECTORY
   ========================================================================== */
.fb-gallery-filter {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 18px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.fb-gallery-filter::-webkit-scrollbar {
    display: none;
}

.fb-filter-pill {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 7px 16px;
    border-radius: var(--radius-full);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.fb-filter-pill:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
}

.fb-filter-pill.active {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
    font-weight: 700;
    box-shadow: 0 4px 10px var(--brand-glow);
}

.fb-faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 16px;
}

.fb-faculty-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.fb-faculty-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-primary);
}

.fb-faculty-header {
    display: flex;
    gap: 14px;
    align-items: center;
}

.fb-faculty-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
}

.fb-faculty-name {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-main);
}

.fb-faculty-designation {
    font-size: 12.5px;
    color: var(--text-secondary);
    font-weight: 500;
}

.fb-faculty-dept {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--brand-primary-light);
    color: var(--brand-primary);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-top: 4px;
}

.fb-faculty-contact {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
}

.fb-faculty-contact a {
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color var(--transition-fast);
}

.fb-faculty-contact a:hover {
    color: var(--brand-primary);
}

/* ==========================================================================
   8. CAMPUS GALLERY
   ========================================================================== */
.fb-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.fb-gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: #0f172a;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.fb-gallery-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.fb-gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.fb-gallery-item:hover .fb-gallery-img {
    transform: scale(1.08);
}

.fb-gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(0,0,0,0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 14px;
    color: white;
}

.fb-gallery-title {
    font-size: 13.5px;
    font-weight: 700;
}

.fb-gallery-cat {
    font-size: 10.5px;
    color: #34d399;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

/* ==========================================================================
   9. CAMPUS BLOG, STORIES & CIRCULARS
   ========================================================================== */
.fb-blogs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 18px;
    padding: 4px;
}

.fb-blog-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.fb-blog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-primary);
}

.fb-blog-thumb-wrap {
    position: relative;
    width: 100%;
    height: 175px;
    overflow: hidden;
    background: var(--bg-elevated);
}

.fb-blog-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.fb-blog-card:hover .fb-blog-thumb {
    transform: scale(1.06);
}

.fb-blog-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(15, 23, 42, 0.82);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.fb-blog-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.fb-blog-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11.5px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 8px;
}

.fb-blog-title {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fb-blog-summary {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.fb-blog-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.fb-btn-read-blog {
    background: var(--brand-primary-light);
    color: var(--brand-primary);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.fb-btn-read-blog:hover {
    background: var(--brand-primary);
    color: #ffffff;
    transform: translateX(2px);
}

.fb-search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.fb-search-bar i {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 13px;
    pointer-events: none;
}

.fb-search-bar input {
    width: 100%;
    padding: 8px 14px 8px 36px;
    font-size: 13px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: var(--bg-elevated);
    color: var(--text-main);
    outline: none;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.fb-search-bar input:focus {
    border-color: var(--brand-primary);
    background: var(--bg-surface);
    box-shadow: 0 0 0 3px var(--brand-primary-light);
}

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

.fb-empty-icon {
    font-size: 38px;
    opacity: 0.35;
    margin-bottom: 12px;
    display: block;
}

.fb-empty-state h3 {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.fb-empty-state p {
    font-size: 13px;
    max-width: 400px;
    margin: 0 auto;
}

/* ==========================================================================
   10. MODALS & BOTTOM SHEETS
   ========================================================================== */
.fb-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.fb-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.fb-modal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 580px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 26px;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.fb-modal-overlay.active .fb-modal-card {
    transform: scale(1);
}

.fb-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.fb-btn-close {
    background: var(--bg-elevated);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.fb-btn-close:hover {
    background: rgba(239, 68, 68, 0.12);
    color: var(--status-danger);
}

/* Form Controls inside Modals */
.fb-form-group {
    margin-bottom: 16px;
}

.fb-form-label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-main);
}

.fb-form-control {
    width: 100%;
    padding: 11px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    font-family: inherit;
}

.fb-form-control:focus {
    border-color: var(--brand-primary);
    background: var(--bg-surface);
    box-shadow: 0 0 0 3px var(--brand-primary-light);
}

/* Lightbox Modal */
.fb-lightbox-card {
    max-width: 860px;
    padding: 16px;
    background: #0f172a !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.fb-lightbox-img {
    width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    display: block;
}

/* QR Code Box */
.fb-qr-box {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 18px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin: 16px auto;
    width: fit-content;
}

/* Toast Notifications */
.fb-toast-container {
    position: fixed;
    bottom: 30px;
    right: 28px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fb-toast {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--brand-primary);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-main);
    animation: fbToastSlide 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fbToastSlide {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   11. MOBILE BOTTOM APP BAR & FLOATING ACTIONS
   ========================================================================== */
.fb-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid var(--border-color);
    z-index: 1100;
    align-items: center;
    justify-content: space-around;
    padding: 0 6px;
}

.fb-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex: 1;
}

.fb-bottom-nav-item i {
    font-size: 17px;
}

.fb-bottom-nav-item.active {
    color: var(--brand-primary);
    font-weight: 800;
}

.fb-floating-bar {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + 16px);
    right: 16px;
    z-index: 1200;
    display: none;
    flex-direction: column;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.fb-floating-bar.active {
    transform: translateY(0);
    opacity: 1;
}

.fb-fab-btn {
    background: linear-gradient(135deg, var(--brand-emerald) 0%, var(--brand-primary) 100%);
    color: white;
    border: none;
    padding: 11px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 14px var(--brand-glow);
    transition: transform var(--transition-fast);
}

.fb-fab-btn:active {
    transform: scale(0.95);
}

.fb-fab-call {
    background: var(--status-success);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.fb-fab-top {
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    width: 42px;
    height: 42px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

/* Mobile Slide-In Navigation Drawer */
.fb-mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: min(320px, 86vw);
    height: 100dvh;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    box-shadow: 8px 0 36px rgba(0, 0, 0, 0.28);
    z-index: 9000;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    transform: translateX(-105%);
    transition: transform 0.30s cubic-bezier(0.4, 0, 0.2, 1);
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.fb-mobile-drawer.active {
    transform: translateX(0);
}

.fb-drawer-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 22px 18px 18px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 2;
    flex-shrink: 0;
}

.fb-drawer-logo {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    padding: 3px;
    background: var(--bg-surface);
    object-fit: cover;
    border: 2px solid var(--brand-primary);
    flex-shrink: 0;
}

.fb-drawer-inst-info {
    flex: 1;
    min-width: 0;
}

.fb-drawer-inst-name {
    font-weight: 800;
    font-size: 14.5px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fb-drawer-inst-eiin {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 2px;
}

.fb-drawer-close-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s, color 0.2s;
}

.fb-drawer-close-btn:hover {
    background: var(--brand-primary);
    color: #ffffff;
}

.fb-drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
    flex-shrink: 0;
}

.fb-drawer-nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 13px 22px;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    font-family: inherit;
}

.fb-drawer-nav-item i {
    width: 20px;
    color: var(--brand-primary);
    font-size: 16px;
    flex-shrink: 0;
}

.fb-drawer-nav-item:hover,
.fb-drawer-nav-item:focus {
    background: var(--bg-elevated);
    color: var(--brand-primary);
}

.fb-drawer-divider {
    height: 1px;
    background: var(--border-color);
    margin: 6px 18px;
    flex-shrink: 0;
}

.fb-drawer-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px 18px;
    flex-shrink: 0;
}

.fb-drawer-action-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 13.5px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    font-family: inherit;
}

.fb-drawer-action-btn i {
    color: var(--brand-primary);
}

.fb-drawer-action-btn:hover {
    background: var(--brand-primary);
    color: #ffffff;
    border-color: var(--brand-primary);
}

.fb-drawer-action-btn:hover i {
    color: #ffffff;
}

.fb-drawer-call-btn {
    border-color: var(--status-success);
}

.fb-drawer-call-btn i {
    color: var(--status-success);
}

.fb-drawer-call-btn:hover {
    background: var(--status-success);
    border-color: var(--status-success);
}

.fb-drawer-footer {
    margin-top: auto;
    padding: 18px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-shrink: 0;
}

.fb-drawer-portal-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 18px;
    border-radius: var(--radius-md);
    background: var(--brand-primary-light);
    border: 1px solid rgba(5, 150, 105, 0.3);
    color: var(--brand-primary);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s;
}

.fb-drawer-portal-link:hover {
    background: rgba(5, 150, 105, 0.2);
}

.fb-drawer-theme-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 18px;
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s, color 0.2s;
}

.fb-drawer-theme-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
}

.fb-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 8999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.30s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.fb-drawer-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Search Modal */
.fb-search-modal {
    position: fixed;
    inset: 0;
    background: var(--bg-surface);
    z-index: 9100;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.fb-search-modal.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.fb-search-modal-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 100dvh;
}

.fb-search-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-elevated);
    position: sticky;
    top: 0;
    z-index: 2;
    flex-shrink: 0;
}

.fb-search-modal-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    font-family: inherit;
    padding: 4px 0;
}

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

.fb-search-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s, color 0.2s;
}

.fb-search-close-btn:hover {
    background: var(--status-danger);
    color: #ffffff;
    border-color: var(--status-danger);
}

.fb-search-results {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

/* ==========================================================================
   12. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (min-width: 769px) and (max-width: 1024px) {
    .fb-page-container {
        grid-template-columns: 310px 1fr;
        gap: 16px;
        padding: 0 12px;
    }

    .fb-cover-container {
        height: 270px;
    }

    .fb-avatar-holder {
        width: 110px;
        height: 110px;
    }

    .fb-inst-title {
        font-size: 22px;
    }

    .fb-profile-bar {
        padding: 0 24px 20px 24px;
    }

    .fb-faculty-grid {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 768px) {
    .fb-navbar {
        padding: 0 16px;
        height: 58px;
    }

    .fb-brand-sub {
        display: none;
    }

    .fb-hero-wrapper {
        border-radius: 0;
        margin-top: 0;
        border-left: none;
        border-right: none;
    }

    .fb-cover-container {
        height: 200px;
    }

    .fb-cover-badge {
        top: 12px;
        right: 12px;
        font-size: 10.5px;
        padding: 4px 10px;
    }

    .fb-profile-bar {
        padding: 0 16px 18px 16px;
    }

    .fb-profile-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-top: -48px;
    }

    .fb-avatar-holder {
        width: 92px;
        height: 92px;
        border-radius: var(--radius-xl);
    }

    .fb-avatar-img {
        border-radius: calc(var(--radius-xl) - 4px);
    }

    .fb-inst-title {
        font-size: 20px;
    }

    .fb-inst-title-bn {
        font-size: 15px;
    }

    .fb-profile-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        margin-top: 8px;
    }

    .fb-btn-action-primary,
    .fb-btn-action-secondary {
        justify-content: center;
        font-size: 12px;
        padding: 10px 8px;
    }

    .fb-tab-bar {
        top: 58px;
        border-radius: 0;
        margin-top: 0;
        border-left: none;
        border-right: none;
        padding: 4px 8px;
    }

    .fb-tab-btn {
        padding: 9px 12px;
        font-size: 12px;
        gap: 6px;
    }

    .fb-page-container {
        grid-template-columns: 1fr;
        margin: 16px auto calc(var(--bottom-nav-height) + 24px) auto;
        padding: 0 12px;
        gap: 16px;
    }

    .fb-bottom-nav {
        display: flex;
    }

    .fb-floating-bar {
        display: flex;
    }

    .fb-faculty-grid,
    .fb-gallery-grid,
    .fb-blogs-grid {
        grid-template-columns: 1fr;
    }

    .fb-modal-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .fb-modal-card.fb-sheet-card {
        border-radius: 24px 24px 0 0;
        max-height: 85vh;
        transform: translateY(100%);
    }

    .fb-modal-overlay.active .fb-modal-card.fb-sheet-card {
        transform: translateY(0);
    }

    .fb-toast-container {
        right: 16px;
        left: 16px;
        bottom: calc(var(--bottom-nav-height) + 16px);
    }
}

@media (max-width: 420px) {
    .fb-avatar-holder {
        width: 80px;
        height: 80px;
        margin-top: -40px;
    }

    .fb-inst-title {
        font-size: 17px;
    }

    .fb-inst-title-bn {
        font-size: 13.5px;
    }

    .fb-stats-grid {
        grid-template-columns: 1fr;
    }
}