/* ==========================================================================
   Supervision Board — Liquid React Design System (sb-liquid.css)
   A modern, fluid, glassmorphic UI framework delivering a React/SPA feel
   ========================================================================== */

:root {
    /* ── Typography & Scaling ────────────────────────────────────────── */
    --sb-font-sans: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --sb-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* ── Dynamic Brand & Theme Palette (Turnitin Teal Accent) ───────── */
    --sb-accent: #2aa79b;
    --sb-accent-rgb: 42, 167, 155;
    --sb-accent-hover: #1f8e84;
    --sb-accent-subtle: rgba(var(--sb-accent-rgb), 0.10);
    --sb-accent-glow: rgba(var(--sb-accent-rgb), 0.25);
    --sb-accent-border: rgba(var(--sb-accent-rgb), 0.30);

    /* ── Blackboard Ultra Canvas & Surfaces ──────────────────────────── */
    --sb-canvas: #f4f7fb;
    --sb-canvas-subtle: #edf2f7;
    --sb-surface: rgba(255, 255, 255, 0.96);
    --sb-surface-solid: #ffffff;
    --sb-surface-glass: rgba(255, 255, 255, 0.85);
    --sb-surface-elevated: #ffffff;
    --sb-surface-overlay: rgba(15, 23, 42, 0.50);

    /* ── Supervision Board Signature Academic Blue Sidebar ───────────── */
    --sb-side-bg: #0f2b52;
    --sb-side-surface: rgba(255, 255, 255, 0.06);
    --sb-side-border: rgba(255, 255, 255, 0.10);
    --sb-side-text: #e0ecfd;
    --sb-side-muted: #93c5fd;
    --sb-side-hover: rgba(255, 255, 255, 0.12);
    --sb-side-active: rgba(31, 95, 191, 0.35);
    --sb-side-active-text: #ffffff;

    /* ── Text Hierarchy ──────────────────────────────────────────────── */
    --sb-ink: #0f172a;
    --sb-ink-secondary: #334155;
    --sb-ink-muted: #64748b;
    --sb-ink-faint: #94a3b8;

    /* ── Liquid Borders & Strokes ────────────────────────────────────── */
    --sb-border-subtle: rgba(226, 232, 240, 0.85);
    --sb-border-medium: #e2e8f0;
    --sb-border-glass: rgba(255, 255, 255, 0.6);
    --sb-border-glow: rgba(var(--sb-accent-rgb), 0.35);

    /* ── Shadows & Depth ─────────────────────────────────────────────── */
    --sb-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --sb-shadow-sm: 0 2px 8px -2px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.03);
    --sb-shadow-md: 0 10px 25px -4px rgba(15, 23, 42, 0.06), 0 4px 10px -2px rgba(15, 23, 42, 0.03);
    --sb-shadow-lg: 0 20px 40px -8px rgba(15, 23, 42, 0.09), 0 6px 14px -3px rgba(15, 23, 42, 0.04);
    --sb-shadow-glass: 0 16px 36px -6px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    --sb-shadow-glow: 0 0 24px -2px var(--sb-accent-glow);

    /* ── Radii ───────────────────────────────────────────────────────── */
    --sb-radius-sm: 8px;
    --sb-radius-md: 12px;
    --sb-radius-lg: 16px;
    --sb-radius-xl: 20px;
    --sb-radius-pill: 9999px;

    /* ── Fluid Physics & Timings ─────────────────────────────────────── */
    --sb-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --sb-ease-spring: cubic-bezier(0.34, 1.45, 0.64, 1);
    --sb-transition: all 0.22s var(--sb-ease);
    --sb-transition-fast: all 0.14s var(--sb-ease);
}

/* ──────────────────────────────────────────────────────────────────────────
   1. GLOBAL CANVAS & LIQUID BACKGROUND
   ────────────────────────────────────────────────────────────────────────── */
html, body {
    height: 100%;
}

body {
    font-family: var(--sb-font-sans) !important;
    background-color: var(--sb-canvas) !important;
    background-image: 
        radial-gradient(1000px 500px at 15% -5%, rgba(var(--sb-accent-rgb), 0.07), transparent 60%),
        radial-gradient(800px 450px at 85% 5%, rgba(56, 189, 248, 0.05), transparent 55%),
        radial-gradient(1200px 700px at 50% 100%, rgba(var(--sb-accent-rgb), 0.03), transparent 70%) !important;
    background-attachment: fixed !important;
    color: var(--sb-ink) !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.55;
    margin: 0;
}

/* Smooth selection */
::selection {
    background: var(--sb-accent);
    color: #ffffff;
}

/* ──────────────────────────────────────────────────────────────────────────
   2. LIQUID APP SHELL (Sidebar & Main Workspace)
   ────────────────────────────────────────────────────────────────────────── */
.admin-shell,
.sb-app-shell {
    min-height: 100vh;
    display: grid !important;
    grid-template-columns: 260px minmax(0, 1fr) !important;
    background: transparent !important;
    transition: grid-template-columns 0.24s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Desktop Collapsed Sidebar State */
.admin-shell.admin-side-collapsed,
.sb-app-shell.admin-side-collapsed {
    grid-template-columns: 0px minmax(0, 1fr) !important;
}

.admin-shell.admin-side-collapsed .admin-side,
.admin-shell.admin-side-collapsed .side,
.sb-app-shell.admin-side-collapsed .admin-side,
.sb-app-shell.admin-side-collapsed .side {
    width: 0 !important;
    min-width: 0 !important;
    padding: 0 !important;
    border-right: none !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transform: translateX(-100%) !important;
    transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* ── Modern Blue Academic Sidebar ───────────────────────────────────── */
.admin-side,
.side,
.sb-liquid-sidebar {
    background: linear-gradient(180deg, #0d2240 0%, #0f2b52 50%, #0b1f3c 100%) !important;
    height: 100vh !important;
    position: sticky !important;
    top: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    border-right: 1px solid rgba(255, 255, 255, 0.10) !important;
    box-shadow: 6px 0 28px rgba(15, 43, 82, 0.16) !important;
    z-index: 1040;
    overflow-y: auto;
    overflow-x: hidden;
    transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

.admin-side::-webkit-scrollbar {
    width: 5px;
}
.admin-side::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

/* Brand header */
.admin-side .brand,
.sb-liquid-sidebar .brand {
    padding: 20px 18px !important;
    margin-bottom: 8px !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    color: #ffffff !important;
    text-decoration: none !important;
    border-bottom: 1px solid var(--sb-side-border) !important;
    background: rgba(255, 255, 255, 0.02) !important;
}

.admin-side .brand .institution-logo,
.admin-side .brand i {
    width: 36px;
    height: 36px;
    border-radius: var(--sb-radius-md);
    background: var(--sb-accent);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    box-shadow: 0 4px 12px var(--sb-accent-glow);
    flex-shrink: 0;
    object-fit: cover;
}

.admin-side .brand > div {
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.25;
    letter-spacing: -0.015em;
    color: #ffffff;
}

.admin-side .brand small {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--sb-side-muted);
    margin-top: 2px;
}

/* Nav links */
.admin-nav {
    flex: 1 1 auto;
    padding: 12px 14px !important;
}

.admin-nav-section {
    font-size: 0.68rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
    color: var(--sb-side-muted) !important;
    padding: 14px 12px 6px !important;
    margin: 0 !important;
}

.admin-nav a {
    display: flex !important;
    align-items: center !important;
    gap: 11px !important;
    padding: 9px 12px !important;
    border-radius: var(--sb-radius-md) !important;
    color: var(--sb-side-text) !important;
    text-decoration: none !important;
    font-size: 0.88rem !important;
    font-weight: 550 !important;
    transition: var(--sb-transition-fast) !important;
    margin: 3px 0 !important;
    position: relative;
    border: 1px solid transparent;
}

.admin-nav a i {
    font-size: 1.05rem;
    width: 20px;
    text-align: center;
    color: var(--sb-side-muted);
    transition: color 0.16s var(--sb-ease);
}

.admin-nav a:hover {
    background: var(--sb-side-hover) !important;
    color: #ffffff !important;
    transform: translateX(2px);
}

.admin-nav a:hover i {
    color: #ffffff;
}

.admin-nav a.active {
    background: var(--sb-side-active) !important;
    color: #ffffff !important;
    border-color: rgba(var(--sb-accent-rgb), 0.35) !important;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 4px 14px rgba(0, 0, 0, 0.25) !important;
    font-weight: 650 !important;
}

.admin-nav a.active i {
    color: var(--sb-accent) !important;
}

.admin-nav a.active::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 25%;
    height: 50%;
    width: 3.5px;
    background: var(--sb-accent);
    border-radius: var(--sb-radius-pill);
    box-shadow: 0 0 10px var(--sb-accent);
}

.admin-nav hr {
    border: none !important;
    border-top: 1px solid var(--sb-side-border) !important;
    margin: 12px 6px !important;
}

/* ── Modern Topbar (Liquid Glass) ───────────────────────────────────── */
.admin-top,
.sb-liquid-topbar {
    height: 64px !important;
    background: var(--sb-surface-glass) !important;
    backdrop-filter: blur(18px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(18px) saturate(180%) !important;
    border-bottom: 1px solid var(--sb-border-subtle) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 28px !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1020 !important;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03) !important;
}

/* Topbar action buttons */
.stu-iconbtn,
.sup-iconbtn,
.sb-iconbtn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--sb-surface);
    border: 1px solid var(--sb-border-subtle);
    border-radius: var(--sb-radius-md);
    color: var(--sb-ink-secondary);
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--sb-transition-fast);
    box-shadow: var(--sb-shadow-xs);
}

.stu-iconbtn:hover,
.sup-iconbtn:hover,
.sb-iconbtn:hover {
    background: #ffffff;
    color: var(--sb-ink);
    border-color: var(--sb-border-medium);
    transform: translateY(-1px);
    box-shadow: var(--sb-shadow-sm);
}

.stu-iconbtn:active,
.sup-iconbtn:active,
.sb-iconbtn:active {
    transform: scale(0.96);
}

/* ── Side Nav Toggle Button (Always visible on desktop and mobile) ── */
.sb-nav-toggle,
#stuToggle,
#supToggle,
#adminToggle,
#saToggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    min-width: 38px;
    background: #ffffff !important;
    border: 1px solid var(--sb-border-medium) !important;
    border-radius: var(--sb-radius-md) !important;
    color: #0f2b52 !important;
    font-size: 19px !important;
    cursor: pointer;
    transition: var(--sb-transition-fast) !important;
    box-shadow: var(--sb-shadow-xs) !important;
    flex-shrink: 0;
}

.sb-nav-toggle:hover,
#stuToggle:hover,
#supToggle:hover,
#adminToggle:hover,
#saToggle:hover {
    background: #eff6ff !important;
    color: #1f5fbf !important;
    border-color: #93c5fd !important;
    box-shadow: var(--sb-shadow-sm) !important;
    transform: translateY(-1px);
}

.sb-nav-toggle:active,
#stuToggle:active,
#supToggle:active,
#adminToggle:active,
#saToggle:active {
    transform: scale(0.94);
}

/* Notification badges */
.stu-badge,
.sup-badge,
.sb-badge-dot {
    position: absolute;
    top: -3px;
    right: -3px;
    min-width: 17px;
    height: 17px;
    padding: 0 4px;
    background: #ef4444;
    color: #ffffff;
    font-size: 10px;
    font-weight: 750;
    border-radius: var(--sb-radius-pill);
    box-shadow: 0 0 0 2px #ffffff;
    display: none;
    align-items: center;
    justify-content: center;
    animation: sb-scale-in 0.2s var(--sb-ease);
}
.stu-badge.show,
.sup-badge.show {
    display: inline-flex;
}

/* User pill chip */
.stu-userchip,
.sup-userchip,
.sb-userchip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px 5px 8px;
    background: var(--sb-surface);
    border: 1px solid var(--sb-border-subtle);
    border-radius: var(--sb-radius-pill);
    font-size: 13px;
    font-weight: 600;
    color: var(--sb-ink);
    cursor: pointer;
    transition: var(--sb-transition-fast);
    box-shadow: var(--sb-shadow-xs);
}

.stu-userchip:hover,
.sup-userchip:hover,
.sb-userchip:hover {
    background: #ffffff;
    border-color: var(--sb-border-medium);
    box-shadow: var(--sb-shadow-sm);
    transform: translateY(-1px);
}

.stu-userchip:active,
.sup-userchip:active {
    transform: scale(0.97);
}

.stu-userchip i,
.sup-userchip i {
    font-size: 18px;
    color: var(--sb-accent);
}

/* ──────────────────────────────────────────────────────────────────────────
   BLACKBOARD LEARN ULTRA ACADEMIC HERO BANNER (Universal System-wide)
   ────────────────────────────────────────────────────────────────────────── */
.bb-ultra-banner,
.learn-banner {
    margin: 24px 28px 0 !important;
    border-radius: var(--sb-radius-xl) !important;
    background:
        linear-gradient(135deg, rgba(15, 43, 82, 0.95) 0%, rgba(20, 60, 120, 0.92) 50%, rgba(31, 95, 191, 0.88) 100%),
        url("https://images.unsplash.com/photo-1524995997946-a1c2e315a42f?auto=format&fit=crop&w=1600&q=80") center / cover no-repeat !important;
    border: 1px solid rgba(255, 255, 255, 0.20) !important;
    box-shadow: 0 12px 36px -6px rgba(15, 43, 82, 0.28) !important;
    padding: 18px 30px !important;
    color: #ffffff !important;
    position: relative !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 24px !important;
    min-height: 94px !important;
}

/* Remove 90s diagonal stripes and amber bottom rules from legacy learn-banner */
.learn-banner::before,
.learn-banner::after {
    display: none !important;
}

.bb-ultra-banner::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 380px;
    background: radial-gradient(circle at 100% 50%, rgba(56, 189, 248, 0.22), transparent 70%);
    pointer-events: none;
}

/* Eliminate dated grey bubble, kicker/badges, and banner subtitles */
.learn-mark,
.bb-ultra-banner-kicker,
.bb-banner-kicker,
.bb-ultra-banner-badges,
.bb-ultra-banner-sub {
    display: none !important;
}

.bb-ultra-banner-content,
.bb-banner-copy,
.learn-banner-title {
    max-width: 820px !important;
    position: relative !important;
    z-index: 2 !important;
    padding: 0 !important;
    flex: 1 1 auto !important;
    text-align: left !important;
}

.bb-ultra-banner-title,
.bb-banner-title,
.learn-banner-title h1 {
    font-size: clamp(1.4rem, 2.4vw, 2.1rem) !important;
    font-weight: 800 !important;
    letter-spacing: -0.025em !important;
    margin: 0 !important;
    line-height: 1.2 !important;
    color: #ffffff !important;
    text-transform: none !important;
}

.learn-banner-title .rule {
    display: none !important;
}

.bb-ultra-banner-logo,
.learn-banner-logo {
    position: relative !important;
    z-index: 2 !important;
    width: 76px !important;
    height: 76px !important;
    min-width: 76px !important;
    border-radius: 16px !important;
    background: #ffffff !important;
    display: grid !important;
    place-items: center !important;
    padding: 10px !important;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    flex-shrink: 0 !important;
}

.bb-ultra-banner-logo img,
.learn-banner-logo img {
    max-width: 100% !important;
    max-height: 100% !important;
    object-fit: contain !important;
}

@media (max-width: 768px) {
    .bb-ultra-banner,
    .learn-banner {
        margin: 16px 16px 0 !important;
        padding: 20px !important;
        flex-direction: column-reverse !important;
        align-items: flex-start !important;
    }
    .bb-ultra-banner-logo,
    .learn-banner-logo {
        width: 56px !important;
        height: 56px !important;
        min-width: 56px !important;
    }
}

/* ──────────────────────────────────────────────────────────────────────────
   3. BENTO CARDS & GLASS CONTAINERS
   ────────────────────────────────────────────────────────────────────────── */
.admin-page,
.sb-page-content {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 24px 28px 48px !important;
    animation: sb-fade-up 0.26s var(--sb-ease);
}

/* Liquid card base */
.card,
.panel,
.metric,
.sb-liquid-card {
    background: var(--sb-surface) !important;
    border: 1px solid var(--sb-border-subtle) !important;
    border-radius: var(--sb-radius-lg) !important;
    box-shadow: var(--sb-shadow-glass) !important;
    backdrop-filter: blur(14px) !important;
    -webkit-backdrop-filter: blur(14px) !important;
    transition: var(--sb-transition) !important;
    overflow: hidden;
}

.card:hover,
.panel:hover,
.metric:hover {
    border-color: rgba(var(--sb-accent-rgb), 0.22) !important;
    box-shadow: var(--sb-shadow-md) !important;
    transform: translateY(-2px);
}

.card-header,
.panel-heading {
    background: transparent !important;
    border-bottom: 1px solid var(--sb-border-subtle) !important;
    padding: 16px 20px !important;
    font-weight: 650;
    color: var(--sb-ink);
}

.card-body,
.panel-body {
    padding: 20px !important;
}

.card-footer {
    background: rgba(248, 250, 252, 0.6) !important;
    border-top: 1px solid var(--sb-border-subtle) !important;
    padding: 12px 20px !important;
}

/* Metric KPI card */
.metric {
    padding: 20px 22px !important;
    position: relative;
}

.metric .value {
    font-size: 2rem !important;
    font-weight: 800 !important;
    letter-spacing: -0.03em !important;
    color: var(--sb-ink) !important;
    line-height: 1.1;
    margin-top: 4px;
}

.metric .small.text-muted {
    font-size: 0.78rem !important;
    font-weight: 650 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: var(--sb-ink-muted) !important;
}

/* ── Turnitin Squircle KPI Cards & Academic Risk Pills ──────────────── */
.turnitin-card {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: var(--sb-radius-lg) !important;
    padding: 20px 22px !important;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 6px 16px -4px rgba(15, 23, 42, 0.04) !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.turnitin-card:hover {
    border-color: #cbd5e1 !important;
    box-shadow: 0 12px 24px -6px rgba(15, 23, 42, 0.08) !important;
    transform: translateY(-2px);
}

.turnitin-squircle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    transition: transform 0.18s ease;
}

.turnitin-card:hover .turnitin-squircle {
    transform: scale(1.06);
}

.turnitin-squircle.blue {
    background: #eff6ff;
    color: #2563eb;
    border: 1px solid #dbeafe;
}

.turnitin-squircle.amber {
    background: #fffbeb;
    color: #d97706;
    border: 1px solid #fef3c7;
}

.turnitin-squircle.emerald {
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #d1fae5;
}

.turnitin-squircle.teal {
    background: #f0fdfa;
    color: #0d9488;
    border: 1px solid #ccfbf1;
}

.turnitin-squircle.purple {
    background: #faf5ff;
    color: #7c3aed;
    border: 1px solid #f3e8ff;
}

.turnitin-squircle.rose {
    background: #fff1f2;
    color: #e11d48;
    border: 1px solid #ffe4e6;
}

/* Turnitin-grade academic status badges */
.bb-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: var(--sb-radius-pill);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.bb-status-pill.watch {
    background: #fffbeb;
    color: #b45309;
    border: 1px solid #fde68a;
}

.bb-status-pill.intervention {
    background: #fff7ed;
    color: #c2410c;
    border: 1px solid #fed7aa;
}

.bb-status-pill.critical {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.bb-status-pill.complete,
.bb-status-pill.ontrack {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

/* ──────────────────────────────────────────────────────────────────────────
   4. LIQUID BUTTONS & TACTILE CONTROLS
   ────────────────────────────────────────────────────────────────────────── */
.btn {
    font-family: var(--sb-font-sans);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 8px 16px;
    border-radius: var(--sb-radius-md);
    transition: var(--sb-transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    line-height: 1.35;
    border: 1px solid transparent;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary,
.sb-ref-primary-btn {
    background: var(--sb-accent) !important;
    border-color: var(--sb-accent) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 10px var(--sb-accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.22) !important;
}

.btn-primary:hover,
.sb-ref-primary-btn:hover {
    background: var(--sb-accent-hover) !important;
    border-color: var(--sb-accent-hover) !important;
    box-shadow: 0 4px 16px var(--sb-accent-glow) !important;
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--sb-accent) !important;
    border-color: var(--sb-border-medium) !important;
    background: var(--sb-surface) !important;
}

.btn-outline-primary:hover {
    background: var(--sb-accent) !important;
    border-color: var(--sb-accent) !important;
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px var(--sb-accent-glow);
}

.btn-outline-secondary {
    color: var(--sb-ink-secondary) !important;
    border-color: var(--sb-border-medium) !important;
    background: var(--sb-surface) !important;
}

.btn-outline-secondary:hover {
    background: #ffffff !important;
    border-color: var(--sb-ink-muted) !important;
    color: var(--sb-ink) !important;
    transform: translateY(-1px);
    box-shadow: var(--sb-shadow-xs);
}

/* ── Modern Form Inputs ─────────────────────────────────────────────── */
.form-control,
.form-select {
    font-family: var(--sb-font-sans);
    font-size: 0.9rem;
    padding: 9px 14px;
    border-radius: var(--sb-radius-md);
    border: 1px solid var(--sb-border-medium);
    background-color: #ffffff;
    color: var(--sb-ink);
    transition: var(--sb-transition-fast);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--sb-accent);
    box-shadow: 0 0 0 3.5px var(--sb-accent-glow);
    outline: none;
    background-color: #ffffff;
}

.form-label {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--sb-ink-secondary);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

/* ──────────────────────────────────────────────────────────────────────────
   5. SLIDING PILL TABS (Segmented Controls)
   ────────────────────────────────────────────────────────────────────────── */
.liquid-tabs,
.nav-pills.liquid-pills {
    display: inline-flex;
    background: var(--sb-canvas-subtle);
    padding: 4px;
    border-radius: var(--sb-radius-lg);
    border: 1px solid var(--sb-border-subtle);
    position: relative;
    gap: 4px;
}

.liquid-tabs .nav-link,
.nav-pills.liquid-pills .nav-link {
    border-radius: var(--sb-radius-md);
    color: var(--sb-ink-muted);
    font-weight: 600;
    font-size: 0.86rem;
    padding: 7px 16px;
    border: none;
    transition: var(--sb-transition-fast);
    position: relative;
    z-index: 2;
}

.liquid-tabs .nav-link:hover,
.nav-pills.liquid-pills .nav-link:hover {
    color: var(--sb-ink);
}

.liquid-tabs .nav-link.active,
.nav-pills.liquid-pills .nav-link.active {
    background: #ffffff !important;
    color: var(--sb-ink) !important;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04) !important;
}

/* ──────────────────────────────────────────────────────────────────────────
   6. TABLES & DATA LISTS (Modern React-like Data Grid)
   ────────────────────────────────────────────────────────────────────────── */
.table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(248, 250, 252, 0.5);
    --bs-table-hover-bg: rgba(var(--sb-accent-rgb), 0.04);
    margin-bottom: 0;
    color: var(--sb-ink);
}

.table thead th {
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--sb-ink-muted);
    padding: 12px 16px;
    border-bottom: 1px solid var(--sb-border-subtle);
    background: rgba(248, 250, 252, 0.8);
    white-space: nowrap;
}

.table tbody td {
    padding: 14px 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--sb-border-subtle);
    font-size: 0.88rem;
}

.table tbody tr {
    transition: var(--sb-transition-fast);
}

.table tbody tr:hover td {
    background-color: rgba(var(--sb-accent-rgb), 0.035);
}

/* ── Modern Pill Badges ─────────────────────────────────────────────── */
.badge {
    font-weight: 650;
    padding: 4px 10px;
    border-radius: var(--sb-radius-pill);
    font-size: 0.72rem;
    letter-spacing: 0.01em;
}

.badge.text-bg-success, .badge.bg-success {
    background: #ecfdf5 !important;
    color: #065f46 !important;
    border: 1px solid #a7f3d0;
}

.badge.text-bg-danger, .badge.bg-danger {
    background: #fef2f2 !important;
    color: #991b1b !important;
    border: 1px solid #fecaca;
}

.badge.text-bg-warning, .badge.bg-warning {
    background: #fffbeb !important;
    color: #92400e !important;
    border: 1px solid #fde68a;
}

.badge.text-bg-info, .badge.bg-info {
    background: #f0f9ff !important;
    color: #075985 !important;
    border: 1px solid #bae6fd;
}

.badge.text-bg-secondary, .badge.bg-secondary {
    background: #f1f5f9 !important;
    color: #475569 !important;
    border: 1px solid #e2e8f0;
}

/* ──────────────────────────────────────────────────────────────────────────
   7. LIQUID DROPDOWNS & MODALS
   ────────────────────────────────────────────────────────────────────────── */
.dropdown-menu {
    border: 1px solid var(--sb-border-subtle) !important;
    border-radius: var(--sb-radius-lg) !important;
    box-shadow: var(--sb-shadow-lg) !important;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    padding: 6px !important;
    animation: sb-scale-in 0.16s var(--sb-ease);
}

.dropdown-item {
    font-weight: 550;
    font-size: 0.86rem;
    padding: 8px 14px;
    border-radius: var(--sb-radius-sm);
    color: var(--sb-ink);
    transition: var(--sb-transition-fast);
}

.dropdown-item:hover {
    background: var(--sb-canvas-subtle);
    color: var(--sb-accent);
    transform: translateX(2px);
}

.dropdown-divider {
    border-color: var(--sb-border-subtle);
    margin: 4px 0;
}

/* Modal Polish */
.modal-content {
    border: 1px solid var(--sb-border-subtle) !important;
    border-radius: var(--sb-radius-xl) !important;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25) !important;
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: blur(20px) !important;
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--sb-border-subtle);
    padding: 18px 24px;
}

.modal-footer {
    border-top: 1px solid var(--sb-border-subtle);
    padding: 16px 24px;
    background: rgba(248, 250, 252, 0.6);
}

/* ──────────────────────────────────────────────────────────────────────────
   8. LIQUID TOASTS (Sonner-like floating toast notification system)
   ────────────────────────────────────────────────────────────────────────── */
#liquid-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column-reverse;
    gap: 10px;
    pointer-events: none;
}

.liquid-toast {
    pointer-events: auto;
    width: min(380px, calc(100vw - 32px));
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--sb-border-subtle);
    border-radius: var(--sb-radius-lg);
    box-shadow: 0 16px 36px -4px rgba(15, 23, 42, 0.15), 0 4px 12px rgba(15, 23, 42, 0.05);
    padding: 14px 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: sb-toast-in 0.28s var(--sb-ease-spring);
    transition: all 0.24s var(--sb-ease);
}

.liquid-toast.toast-hiding {
    opacity: 0;
    transform: translateY(12px) scale(0.95);
}

.liquid-toast-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--sb-radius-pill);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 1px;
}

.liquid-toast.toast-success .liquid-toast-icon { background: #d1fae5; color: #059669; }
.liquid-toast.toast-error   .liquid-toast-icon { background: #fee2e2; color: #dc2626; }
.liquid-toast.toast-info    .liquid-toast-icon { background: #e0f2fe; color: #0284c7; }
.liquid-toast.toast-warning .liquid-toast-icon { background: #fef3c7; color: #d97706; }

.liquid-toast-content {
    flex: 1;
    min-width: 0;
}

.liquid-toast-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--sb-ink);
    margin: 0 0 2px;
}

.liquid-toast-desc {
    font-size: 0.8rem;
    color: var(--sb-ink-muted);
    margin: 0;
    line-height: 1.4;
}

.liquid-toast-close {
    border: none;
    background: transparent;
    color: var(--sb-ink-faint);
    cursor: pointer;
    font-size: 18px;
    padding: 0;
    line-height: 1;
    transition: color 0.14s;
}

.liquid-toast-close:hover {
    color: var(--sb-ink);
}

/* ──────────────────────────────────────────────────────────────────────────
   9. LIQUID TOP PROGRESS BAR (Slim SPA Route Loader)
   ────────────────────────────────────────────────────────────────────────── */
#liquid-route-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--sb-accent), #38bdf8, var(--sb-accent));
    background-size: 200% 100%;
    z-index: 10000;
    pointer-events: none;
    box-shadow: 0 0 12px var(--sb-accent-glow);
    transition: width 0.25s ease-out, opacity 0.3s ease;
    animation: sb-progress-glow 1.5s infinite linear;
}

/* ──────────────────────────────────────────────────────────────────────────
   10. SHIMMER SKELETONS
   ────────────────────────────────────────────────────────────────────────── */
.liquid-skeleton {
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
    background-size: 800px 100%;
    animation: sb-shimmer 1.5s infinite;
    border-radius: var(--sb-radius-sm);
    display: inline-block;
}

/* ──────────────────────────────────────────────────────────────────────────
   11. KEYFRAME ANIMATIONS
   ────────────────────────────────────────────────────────────────────────── */
@keyframes sb-fade-up {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes sb-toast-in {
    from { opacity: 0; transform: translateY(16px) scale(0.92); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes sb-shimmer {
    0% { background-position: -800px 0; }
    100% { background-position: 800px 0; }
}

@keyframes sb-progress-glow {
    0% { background-position: 0% 0; }
    100% { background-position: 200% 0; }
}

/* ──────────────────────────────────────────────────────────────────────────
   12. LIQUID BENTO BANNER (.learn-banner override)
   ────────────────────────────────────────────────────────────────────────── */
.learn-banner {
    margin: 20px 28px 0 !important;
    border-radius: var(--sb-radius-xl) !important;
    min-height: 110px !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    box-shadow: var(--sb-shadow-lg) !important;
    overflow: hidden !important;
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 22px 32px !important;
    background: linear-gradient(135deg, #1a2634 0%, #152230 60%, #1c3248 100%), var(--learn-banner-image, none) center / cover no-repeat !important;
    backdrop-filter: blur(14px) !important;
}

.learn-banner::before,
.learn-banner::after {
    display: none !important;
}

.learn-banner-title h1 {
    color: #ffffff !important;
    font-size: 1.45rem !important;
    font-weight: 800 !important;
    letter-spacing: -0.025em !important;
    margin: 0 !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3) !important;
}

.learn-banner-title .rule {
    display: none !important;
}

.learn-mark {
    background: rgba(255, 255, 255, 0.18) !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    border-radius: var(--sb-radius-pill) !important;
    padding: 4px 14px !important;
    color: #ffffff !important;
    font-size: 0.72rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.08em !important;
}

.learn-banner-logo {
    width: 52px !important;
    height: 52px !important;
    border-radius: var(--sb-radius-lg) !important;
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: var(--sb-shadow-lg) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 6px !important;
}

.learn-banner-logo img {
    max-height: 38px !important;
    max-width: 38px !important;
    object-fit: contain !important;
}

/* ──────────────────────────────────────────────────────────────────────────
   13. LIQUID PROGRESS BARS
   ────────────────────────────────────────────────────────────────────────── */
.progress {
    background: rgba(226, 232, 240, 0.7) !important;
    border-radius: var(--sb-radius-pill) !important;
    overflow: hidden !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06) !important;
}

.progress-bar {
    border-radius: var(--sb-radius-pill) !important;
    transition: width 0.6s var(--sb-ease) !important;
    box-shadow: 0 0 10px rgba(var(--sb-accent-rgb), 0.3) !important;
}

.progress-bar.bg-success {
    background: linear-gradient(90deg, #10b981, #059669) !important;
}

/* ──────────────────────────────────────────────────────────────────────────
   14. FULLCALENDAR LIQUID POLISH
   ────────────────────────────────────────────────────────────────────────── */
.fc {
    font-family: var(--sb-font-sans) !important;
}

.fc .fc-toolbar-title {
    font-size: 1.15rem !important;
    font-weight: 750 !important;
    letter-spacing: -0.015em !important;
    color: var(--sb-ink) !important;
}

.fc .fc-button {
    font-weight: 600 !important;
    border-radius: var(--sb-radius-md) !important;
    padding: 6px 14px !important;
    transition: var(--sb-transition-fast) !important;
}

.fc .fc-button-primary {
    background: var(--sb-surface) !important;
    color: var(--sb-ink) !important;
    border: 1px solid var(--sb-border-medium) !important;
    box-shadow: var(--sb-shadow-xs) !important;
}

.fc .fc-button-primary:hover {
    background: #ffffff !important;
    border-color: var(--sb-accent) !important;
    color: var(--sb-accent) !important;
}

.fc .fc-button-primary:not(:disabled).fc-button-active,
.fc .fc-button-primary:not(:disabled):active {
    background: var(--sb-accent) !important;
    border-color: var(--sb-accent) !important;
    color: #ffffff !important;
}

.fc-theme-standard td, .fc-theme-standard th {
    border-color: var(--sb-border-subtle) !important;
}

.fc .fc-daygrid-day.fc-day-today {
    background: rgba(var(--sb-accent-rgb), 0.05) !important;
}

.fc .fc-daygrid-event {
    border-radius: var(--sb-radius-sm) !important;
    padding: 2px 6px !important;
    font-size: 0.78rem !important;
    font-weight: 600 !important;
    border: none !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
}

/* ──────────────────────────────────────────────────────────────────────────
   15. RESPONSIVENESS & MOBILE DRAWER
   ────────────────────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .admin-shell,
    .sb-app-shell {
        grid-template-columns: 1fr !important;
    }

    .admin-side,
    .sb-liquid-sidebar {
        position: fixed !important;
        left: 0;
        top: 0;
        bottom: 0;
        width: 270px !important;
        transform: translateX(-100%) !important;
        transition: transform 0.28s var(--sb-ease) !important;
        box-shadow: none !important;
    }

    .admin-shell.admin-nav-open .admin-side,
    .sb-app-shell.admin-nav-open .sb-liquid-sidebar {
        transform: translateX(0) !important;
        box-shadow: 12px 0 40px rgba(0, 0, 0, 0.4) !important;
    }

    .admin-top,
    .sb-liquid-topbar {
        padding: 0 16px !important;
    }

    .admin-page,
    .sb-page-content {
        padding: 18px 16px 36px !important;
    }
}