/* =============================================
   ICT Institute — White & Blue Theme
   Auto Light/Dark Mode Based on Sun Time
   ============================================= */

/* ---------- Light Mode (Default / Daytime) ---------- */
:root {
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --bg-surface: #ffffff;
    --accent-primary: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: rgba(37, 99, 235, 0.08);
    --accent-glow: rgba(37, 99, 235, 0.25);
    --text-main: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(37, 99, 235, 0.12);
    --glass-shadow: 0 8px 32px rgba(37, 99, 235, 0.08);
    --sidebar-bg: #ffffff;
    --sidebar-border: rgba(37, 99, 235, 0.1);
    --card-bg: #ffffff;
    --input-bg: #f1f5f9;
    --input-border: #e2e8f0;
    --table-header-bg: #f8fafc;
    --table-hover: rgba(37, 99, 235, 0.04);
    --row-border: #f1f5f9;
    --modal-overlay: rgba(15, 23, 42, 0.3);
    --toast-bg: #ffffff;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --late-color: #f97316;
    --excused-color: #8b5cf6;
    --halfday-color: #06b6d4;
    --theme-transition: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --shadow-card-hover: 0 16px 48px rgba(37, 99, 235, 0.15);
}

/* ---------- Dark Mode (Nighttime) ---------- */
[data-theme="dark"] {
    --bg-primary: #0b1120;
    --bg-secondary: #111827;
    --bg-surface: #1e293b;
    --accent-primary: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-light: rgba(59, 130, 246, 0.12);
    --accent-glow: rgba(59, 130, 246, 0.3);
    --text-main: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --glass-bg: rgba(17, 24, 39, 0.8);
    --glass-border: rgba(59, 130, 246, 0.15);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --sidebar-bg: rgba(11, 17, 32, 0.92);
    --sidebar-border: rgba(59, 130, 246, 0.1);
    --card-bg: #1e293b;
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-border: rgba(59, 130, 246, 0.15);
    --table-header-bg: rgba(0, 0, 0, 0.25);
    --table-hover: rgba(59, 130, 246, 0.06);
    --row-border: rgba(255, 255, 255, 0.05);
    --modal-overlay: rgba(0, 0, 0, 0.6);
    --toast-bg: #1e293b;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
    --shadow-card-hover: 0 16px 48px rgba(59, 130, 246, 0.2);
}

/* ---------- Global Resets ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background: var(--bg-primary);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    overflow: hidden;
    transition: background var(--theme-transition), color var(--theme-transition);
}

/* ---------- Glassmorphism Utility ---------- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    transition: background var(--theme-transition), border-color var(--theme-transition), box-shadow var(--theme-transition);
}

/* ---------- Layout ---------- */
.app-container {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--sidebar-border);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    z-index: 10;
    transition: background var(--theme-transition), border-color var(--theme-transition);
    box-shadow: var(--shadow-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 1rem 2rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 2rem;
}

.logo i {
    font-size: 28px;
    color: var(--accent-primary);
}

.logo h2 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-links li {
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links li:hover {
    background: var(--accent-light);
    color: var(--accent-primary);
    transform: translateX(4px);
}

.nav-links li.active {
    background: var(--accent-primary);
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.nav-links li i {
    font-size: 20px;
}

/* Sidebar theme indicator */
.sidebar-footer {
    margin-top: auto;
    padding: 16px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    border-radius: 12px;
    transition: background 0.3s;
}

.sidebar-footer:hover {
    background: var(--accent-light);
}

.sidebar-footer i {
    font-size: 20px;
    color: var(--accent-primary);
}

.sidebar-footer span {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ---------- Main Content ---------- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    transition: background var(--theme-transition);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    animation: fadeInDown 0.5s ease forwards;
}

.header-title h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-main);
}

.header-title p {
    color: var(--text-muted);
    font-size: 14px;
}

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

.time-widget {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
    transition: all var(--theme-transition);
}

/* Theme Toggle Button */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: var(--card-bg);
    color: var(--accent-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    background: var(--accent-primary);
    color: #fff;
    transform: rotate(20deg) scale(1.1);
    box-shadow: 0 4px 16px var(--accent-glow);
}

/* ---------- Tabs ---------- */
.tab-pane {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.tab-pane.active {
    display: block;
}

/* =============================================
   Dashboard Stats
   ============================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease, background var(--theme-transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-primary);
    border-radius: 4px 0 0 4px;
    opacity: 0;
    transition: opacity 0.3s;
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-card-hover);
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.stat-info h3 {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
}

/* =============================================
   Quick Access Section
   ============================================= */
.quick-access-section {
    margin-bottom: 28px;
}

.quick-access-section h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.quick-access-section h2 i {
    color: var(--accent-primary);
}

.quick-access-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.quick-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px 20px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.quick-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent-primary), #60a5fa);
    opacity: 0;
    transition: opacity 0.35s;
    z-index: 0;
}

.quick-card:hover::after {
    opacity: 1;
}

.quick-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

.quick-card:hover .quick-card-icon,
.quick-card:hover .quick-card-label {
    color: #fff;
    position: relative;
    z-index: 1;
}

.quick-card:hover .quick-card-icon {
    background: rgba(255,255,255,0.2);
}

.quick-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.35s;
    position: relative;
    z-index: 1;
}

.quick-card-icon.blue { background: rgba(37, 99, 235, 0.1); color: #2563eb; }
.quick-card-icon.green { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.quick-card-icon.orange { background: rgba(249, 115, 22, 0.1); color: #f97316; }
.quick-card-icon.purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.quick-card-icon.cyan { background: rgba(6, 182, 212, 0.1); color: #06b6d4; }
.quick-card-icon.red { background: rgba(239, 68, 68, 0.1); color: #ef4444; }

.quick-card-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.35s;
    position: relative;
    z-index: 1;
}

/* =============================================
   Recent Activity on Dashboard
   ============================================= */
.recent-activity {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: all var(--theme-transition);
}

.recent-activity h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.recent-activity h2 i {
    color: var(--accent-primary);
}

.activity-list {
    list-style: none;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid var(--row-border);
    animation: fadeSlideIn 0.4s ease forwards;
}

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

.activity-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-dot.present { background: var(--success); }
.activity-dot.late { background: var(--late-color); }
.activity-dot.excused { background: var(--excused-color); }
.activity-dot.halfday { background: var(--halfday-color); }

.activity-text {
    font-size: 14px;
    color: var(--text-secondary);
    flex: 1;
}

.activity-text strong {
    color: var(--text-main);
}

.activity-time {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}

.activity-empty {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 14px;
}

/* ---------- Toolbar ---------- */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 20px;
}

.filters {
    display: flex;
    gap: 12px;
    flex: 1;
}

input, select {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-main);
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

input[type="text"] {
    flex: 1;
    max-width: 300px;
}

/* ---------- Buttons ---------- */
.btn {
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--accent-light);
    color: var(--accent-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: #fff;
}

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

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

.btn-danger {
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger);
}

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

.btn-icon {
    padding: 8px;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s;
}

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

/* ---------- Tables ---------- */
.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: 16px;
    padding: 1px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--row-border);
}

th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    background: var(--table-header-bg);
}

tbody tr {
    transition: background 0.2s ease;
}

tbody tr.animate-row {
    opacity: 0;
    transform: translateX(-15px);
    animation: fadeSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

tbody tr:hover {
    background: var(--table-hover);
}

.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.4;
}

/* ---------- Scanner ---------- */
.scanner-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 24px;
    text-align: center;
}

.scanner-header {
    margin-bottom: 20px;
}

.scanner-header h2 {
    color: var(--text-main);
}

.scanner-header p {
    color: var(--text-muted);
}

.scanner-body {
    border-radius: 16px;
    overflow: hidden;
    background: #000;
    margin-bottom: 20px;
    min-height: 300px;
    box-shadow: var(--shadow-md);
}

/* Attendance Method Tabs */
.attendance-methods {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: var(--input-bg);
    border-radius: 12px;
    padding: 4px;
}

.method-tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.3s;
}

.method-tab.active {
    background: var(--accent-primary);
    color: #fff;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.method-tab:hover:not(.active) {
    background: var(--accent-light);
    color: var(--accent-primary);
}

/* Attendance Status Options */
.attendance-status-options {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.status-option {
    padding: 8px 18px;
    border-radius: 24px;
    border: 2px solid var(--input-border);
    background: var(--card-bg);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
}

.status-option:hover { border-color: var(--accent-primary); color: var(--accent-primary); }
.status-option.active { border-color: currentColor; }

.status-option.present { color: var(--success); border-color: var(--success); background: rgba(16, 185, 129, 0.08); }
.status-option.late { color: var(--late-color); border-color: var(--late-color); background: rgba(249, 115, 22, 0.08); }
.status-option.excused { color: var(--excused-color); border-color: var(--excused-color); background: rgba(139, 92, 246, 0.08); }
.status-option.halfday { color: var(--halfday-color); border-color: var(--halfday-color); background: rgba(6, 182, 212, 0.08); }
.status-option.absent { color: var(--danger); border-color: var(--danger); background: rgba(239, 68, 68, 0.08); }

/* Manual Select Search */
.manual-student-search {
    margin-bottom: 16px;
}

.manual-student-search input {
    width: 100%;
    border-radius: 12px;
}

.student-select-list {
    max-height: 260px;
    overflow-y: auto;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: var(--card-bg);
}

.student-select-item {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    border-bottom: 1px solid var(--row-border);
    transition: background 0.2s;
}

.student-select-item:last-child { border-bottom: none; }

.student-select-item:hover {
    background: var(--accent-light);
}

.student-select-item .name {
    font-weight: 600;
    color: var(--text-main);
    font-size: 14px;
}

.student-select-item .meta {
    font-size: 12px;
    color: var(--text-muted);
}

.student-select-item .mark-btn {
    padding: 6px 14px;
    border-radius: 8px;
    border: none;
    background: var(--accent-primary);
    color: #fff;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.student-select-item .mark-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.scan-result {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    text-align: left;
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.scan-icon {
    font-size: 40px;
    color: var(--success);
}

.scan-details h3 {
    color: var(--text-main);
}

.scan-details p {
    color: var(--text-muted);
}

/* ---------- Modals ---------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay);
    backdrop-filter: blur(6px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.show {
    display: flex;
    opacity: 1;
}

.modal {
    width: 100%;
    max-width: 500px;
    padding: 28px;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.show .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-header h2 {
    color: var(--text-main);
    font-size: 20px;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 8px;
    padding: 4px;
}

.close-btn:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.08);
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.modal-footer {
    padding-top: 16px;
}

/* Premium ID Card */
.qr-modal {
    max-width: 400px;
    text-align: center;
}

.premium-id-card {
    background: #ffffff;
    color: #1e293b;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    width: 320px;
    margin: 0 auto;
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    border: 1px solid rgba(0,0,0,0.08);
}

.id-top-band {
    background: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
    height: 8px;
    width: 100%;
}

.id-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
    color: #2563eb;
}

.id-photo-placeholder {
    width: 100px;
    height: 100px;
    background: #eff6ff;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
    color: #93c5fd;
    border: 3px solid #bfdbfe;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.id-student-name {
    font-size: 22px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
    text-transform: capitalize;
}

.id-grade-badge {
    background: #eff6ff;
    color: #2563eb;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 24px;
    border: 1px solid #bfdbfe;
}

.id-bottom-section {
    background: #f8fafc;
    padding: 24px;
    border-top: 1px dashed #cbd5e1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.id-qr-box {
    background: white;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    margin-bottom: 12px;
}

.id-adm-number {
    font-family: monospace;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #475569;
}

.id-footer {
    background: #1e3a5f;
    color: #94a3b8;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px;
}

/* ---------- Reports ---------- */
.report-controls {
    padding: 20px;
    display: flex;
    gap: 20px;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.control-group label {
    color: var(--text-muted);
}

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

.report-header h3 {
    color: var(--text-main);
}

.export-actions {
    display: flex;
    gap: 12px;
}

/* ---------- Badges ---------- */
.badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.badge.success { background: rgba(16, 185, 129, 0.12); color: var(--success); }
.badge.warning { background: rgba(245, 158, 11, 0.12); color: var(--warning); }
.badge.late { background: rgba(249, 115, 22, 0.12); color: var(--late-color); }
.badge.excused { background: rgba(139, 92, 246, 0.12); color: var(--excused-color); }
.badge.halfday { background: rgba(6, 182, 212, 0.12); color: var(--halfday-color); }
.badge.absent { background: rgba(239, 68, 68, 0.12); color: var(--danger); }
.badge.info { background: rgba(59, 130, 246, 0.12); color: var(--info); }

/* ---------- Toast ---------- */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
}

.toast {
    background: var(--toast-bg);
    border: 1px solid var(--glass-border);
    padding: 14px 20px;
    border-radius: 12px;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    backdrop-filter: blur(12px);
}

.toast.success { border-left: 4px solid var(--success); }
.toast.success i { color: var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.error i { color: var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.warning i { color: var(--warning); }

/* ---------- Utilities ---------- */
.hidden { display: none !important; }
.text-danger { color: var(--danger) !important; }

/* ---------- Scrollbar Styling ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--accent-light); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

/* ---------- Animations ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounceIn {
    0% { opacity: 0; transform: scale(0.8) translateY(20px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateX(-15px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ---------- Print Styles ---------- */
@media print {
    body * { visibility: hidden; }
    .print-area, .print-area * { visibility: visible; }
    .print-area {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        margin: 0;
        padding: 0;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .quick-access-grid { grid-template-columns: 1fr 1fr; }
    .toolbar { flex-direction: column; }
    .filters { flex-direction: column; }
    input[type="text"] { max-width: 100%; }
    header { flex-direction: column; gap: 12px; align-items: flex-start; }
}