/* ============================================
   SENECA ADMIN PANEL — Premium Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --admin-bg: #0f1117;
    --admin-surface: #1a1d27;
    --admin-surface-2: #222639;
    --admin-surface-3: #2a2e42;
    --admin-border: rgba(255,255,255,0.06);
    --admin-border-light: rgba(255,255,255,0.1);
    --admin-text: #e8eaed;
    --admin-text-muted: #8b8fa3;
    --admin-text-dim: #5a5e72;
    --admin-primary: #810D0B;
    --admin-primary-glow: rgba(129,13,11,0.3);
    --admin-secondary: #E27B1F;
    --admin-secondary-glow: rgba(226,123,31,0.3);
    --admin-accent: #6366f1;
    --admin-accent-glow: rgba(99,102,241,0.3);
    --admin-success: #10b981;
    --admin-warning: #f59e0b;
    --admin-danger: #ef4444;
    --admin-info: #3b82f6;
    --admin-gradient: linear-gradient(135deg, #810D0B 0%, #E27B1F 100%);
    --admin-gradient-dark: linear-gradient(135deg, #1a1d27 0%, #222639 100%);
    --admin-radius: 16px;
    --admin-radius-sm: 10px;
    --admin-radius-xs: 6px;
    --admin-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --admin-shadow: 0 4px 24px rgba(0,0,0,0.3);
    --admin-shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
    --admin-shadow-glow: 0 0 30px rgba(129,13,11,0.15);
}

/* ===== RESET FOR ADMIN ===== */
.admin-app * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.admin-app {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    min-height: 100vh;
    overflow-x: hidden;
}

.admin-app h1, .admin-app h2, .admin-app h3, .admin-app h4 {
    font-family: 'Outfit', sans-serif;
    color: var(--admin-text);
    font-weight: 700;
}

/* Utility Classes */
.hidden { display: none !important; }

/* ===== LOGIN PAGE ===== */
.admin-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-bg);
    position: relative;
    overflow: hidden;
}

.admin-login-wrapper::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(129,13,11,0.15), transparent 70%);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.admin-login-wrapper::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(226,123,31,0.1), transparent 70%);
    bottom: -150px;
    left: -150px;
    pointer-events: none;
}

.admin-login-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 24px;
    padding: 48px 40px;
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 2;
    box-shadow: var(--admin-shadow-lg);
    animation: loginSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes loginSlideUp {
    from { opacity: 0; transform: translateY(40px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.admin-login-logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(129,13,11,0.1), rgba(226,123,31,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    border: 1px solid var(--admin-border-light);
    box-shadow: 0 8px 24px rgba(129,13,11,0.15);
    transition: var(--admin-transition);
}

.admin-login-logo:hover {
    transform: rotate(-5deg) scale(1.05);
    box-shadow: 0 12px 32px rgba(129,13,11,0.25);
}

.admin-login-logo img {
    width: 56px;
    height: 56px;
    object-fit: contain;
}

.admin-login-card h2 {
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.admin-login-card h2 span {
    background: var(--admin-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-login-subtitle {
    text-align: center;
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

/* Role Toggle */
.role-toggle {
    display: flex;
    background: var(--admin-surface-2);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 28px;
    border: 1px solid var(--admin-border);
}

.role-toggle-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--admin-text-muted);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.88rem;
    border-radius: 9px;
    cursor: pointer;
    transition: var(--admin-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.role-toggle-btn.active {
    background: var(--admin-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(129,13,11,0.3);
}

.role-toggle-btn:hover:not(.active) {
    background: var(--admin-surface-3);
    color: var(--admin-text);
}

/* Form Inputs */
.admin-form-group {
    margin-bottom: 20px;
}

.admin-form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--admin-text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    color: var(--admin-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: var(--admin-transition);
    outline: none;
}

.admin-input:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px var(--admin-primary-glow);
}

.admin-input::placeholder {
    color: var(--admin-text-dim);
}

.admin-btn-primary {
    width: 100%;
    padding: 14px 24px;
    background: var(--admin-gradient);
    color: white;
    border: none;
    border-radius: var(--admin-radius-sm);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--admin-transition);
    position: relative;
    overflow: hidden;
    margin-top: 8px;
}

.admin-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(129,13,11,0.4);
}

.admin-btn-primary:active {
    transform: translateY(0);
}

.admin-login-error {
    color: var(--admin-danger);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    padding: 12px 16px;
    border-radius: var(--admin-radius-sm);
    margin-top: 16px;
    font-size: 0.88rem;
    text-align: center;
    display: none;
    animation: shakeError 0.5s ease;
}

@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.admin-login-back {
    display: block;
    text-align: center;
    margin-top: 24px;
    color: var(--admin-text-dim);
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--admin-transition);
}

.admin-login-back:hover {
    color: var(--admin-secondary);
}

/* ===== DASHBOARD LAYOUT ===== */
.admin-dashboard {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.admin-sidebar {
    width: 280px;
    background: var(--admin-surface);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: var(--admin-transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.admin-sidebar::-webkit-scrollbar {
    width: 4px;
}
.admin-sidebar::-webkit-scrollbar-track {
    background: transparent;
}
.admin-sidebar::-webkit-scrollbar-thumb {
    background: var(--admin-surface-3);
    border-radius: 10px;
}

.admin-sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.admin-sidebar-logo {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(129,13,11,0.1), rgba(226,123,31,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--admin-border-light);
    flex-shrink: 0;
}

.admin-sidebar-logo img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.admin-sidebar-brand h3 {
    font-size: 1.05rem;
    line-height: 1.2;
}

.admin-sidebar-brand h3 span {
    color: var(--admin-secondary);
}

.admin-sidebar-brand p {
    font-size: 0.72rem;
    color: var(--admin-text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

/* User Profile Card */
.admin-user-card {
    padding: 16px 20px;
    border-bottom: 1px solid var(--admin-border);
    flex-shrink: 0;
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.admin-user-avatar.role-principal {
    background: linear-gradient(135deg, rgba(226,123,31,0.2), rgba(226,123,31,0.05));
    color: var(--admin-secondary);
    border: 1px solid rgba(226,123,31,0.3);
}

.admin-user-avatar.role-teacher {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(99,102,241,0.05));
    color: var(--admin-accent);
    border: 1px solid rgba(99,102,241,0.3);
}

.admin-user-details h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--admin-text);
}

.admin-user-role {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-top: 3px;
}

.admin-user-role.role-principal {
    background: rgba(226,123,31,0.12);
    color: var(--admin-secondary);
}

.admin-user-role.role-teacher {
    background: rgba(99,102,241,0.12);
    color: var(--admin-accent);
}

/* Sidebar Menu */
.admin-menu {
    list-style: none;
    padding: 12px 0;
    flex: 1;
}

.admin-menu-label {
    padding: 16px 24px 8px;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--admin-text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.admin-menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--admin-text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: var(--admin-transition);
    position: relative;
}

.admin-menu-item a:hover {
    background: var(--admin-surface-2);
    color: var(--admin-text);
    border-left-color: var(--admin-surface-3);
}

.admin-menu-item a.active {
    background: rgba(129,13,11,0.08);
    color: var(--admin-secondary);
    border-left-color: var(--admin-secondary);
    font-weight: 600;
}

.admin-menu-item a .menu-icon {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.admin-menu-badge {
    margin-left: auto;
    background: var(--admin-danger);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
    animation: pulseBadge 2s infinite;
}

@keyframes pulseBadge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.admin-menu-logout {
    border-top: 1px solid var(--admin-border);
    padding: 12px 0;
    flex-shrink: 0;
}

.admin-menu-logout a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--admin-danger) !important;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--admin-transition);
}

.admin-menu-logout a:hover {
    background: rgba(239, 68, 68, 0.06);
}

/* ===== MAIN CONTENT ===== */
.admin-main {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
    background: var(--admin-bg);
}

/* Top Bar */
.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.admin-topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    background: var(--admin-surface-2);
    color: var(--admin-text);
    font-size: 1.2rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: var(--admin-transition);
}

.admin-mobile-toggle:hover {
    background: var(--admin-surface-3);
}

.admin-topbar h1 {
    font-size: 1.4rem;
    font-weight: 700;
}

.admin-topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-notif-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    background: var(--admin-surface-2);
    color: var(--admin-text);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--admin-transition);
}

.admin-notif-btn:hover {
    background: var(--admin-surface-3);
    border-color: var(--admin-border-light);
}

.admin-notif-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--admin-danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--admin-surface);
    animation: pulseBadge 2s infinite;
}

/* Content Area */
.admin-content {
    padding: 32px;
    max-height: calc(100vh - 73px);
    overflow-y: auto;
}

.admin-content::-webkit-scrollbar {
    width: 6px;
}
.admin-content::-webkit-scrollbar-track {
    background: transparent;
}
.admin-content::-webkit-scrollbar-thumb {
    background: var(--admin-surface-3);
    border-radius: 10px;
}

/* ===== SECTION PANELS ===== */
.admin-section {
    display: none;
    animation: sectionFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.admin-section.active {
    display: block;
}

@keyframes sectionFadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section Header */
.admin-section-header {
    margin-bottom: 28px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.admin-section-header h2 {
    font-size: 1.5rem;
    margin-bottom: 6px;
}

.admin-section-header p {
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Help Tooltip */
.admin-help-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--admin-transition);
    flex-shrink: 0;
}

.admin-help-btn:hover {
    background: var(--admin-accent);
    color: white;
    border-color: var(--admin-accent);
}

/* ===== GLASS CARDS ===== */
.admin-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 24px;
    margin-bottom: 20px;
    transition: var(--admin-transition);
}

.admin-card:hover {
    border-color: var(--admin-border-light);
}

.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.admin-card-header h3 {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-card-accent {
    border-left: 4px solid var(--admin-secondary);
}

.admin-card-accent-primary {
    border-left: 4px solid var(--admin-primary);
}

.admin-card-accent-success {
    border-left: 4px solid var(--admin-success);
}

.admin-card-accent-info {
    border-left: 4px solid var(--admin-info);
}

.admin-card-accent-accent {
    border-left: 4px solid var(--admin-accent);
}

/* ===== STAT CARDS ===== */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.admin-stat-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 24px;
    transition: var(--admin-transition);
    position: relative;
    overflow: hidden;
}

.admin-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.admin-stat-card:nth-child(1)::before { background: var(--admin-primary); }
.admin-stat-card:nth-child(2)::before { background: var(--admin-secondary); }
.admin-stat-card:nth-child(3)::before { background: var(--admin-success); }
.admin-stat-card:nth-child(4)::before { background: var(--admin-accent); }

.admin-stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--admin-border-light);
    box-shadow: var(--admin-shadow);
}

.admin-stat-icon {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.admin-stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: var(--admin-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.admin-stat-label {
    font-size: 0.82rem;
    color: var(--admin-text-muted);
    font-weight: 500;
}

/* ===== FORM STYLES ===== */
.admin-form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.admin-form-row > * {
    flex: 1;
    min-width: 200px;
}

.admin-form-col {
    margin-bottom: 16px;
}

.admin-form-col label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--admin-text-muted);
    margin-bottom: 8px;
}

.admin-form-col input,
.admin-form-col select,
.admin-form-col textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-xs);
    color: var(--admin-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: var(--admin-transition);
    outline: none;
}

.admin-form-col input:focus,
.admin-form-col select:focus,
.admin-form-col textarea:focus {
    border-color: var(--admin-secondary);
    box-shadow: 0 0 0 3px var(--admin-secondary-glow);
}

.admin-form-col input::placeholder,
.admin-form-col textarea::placeholder {
    color: var(--admin-text-dim);
}

.admin-form-col select option {
    background: var(--admin-surface);
    color: var(--admin-text);
}

.admin-btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--admin-radius-xs);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--admin-transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.admin-btn-save {
    background: var(--admin-gradient);
    color: white;
}

.admin-btn-save:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(129,13,11,0.3);
}

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

.admin-btn-outline:hover {
    border-color: var(--admin-secondary);
    color: var(--admin-secondary);
    background: rgba(226,123,31,0.05);
}

.admin-btn-danger {
    background: rgba(239,68,68,0.1);
    color: var(--admin-danger);
    border: 1px solid rgba(239,68,68,0.2);
}

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

.admin-btn-success {
    background: rgba(16,185,129,0.1);
    color: var(--admin-success);
    border: 1px solid rgba(16,185,129,0.2);
}

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

.admin-btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

/* ===== DATA TABLE ===== */
.admin-table-wrapper {
    overflow-x: auto;
    border-radius: var(--admin-radius);
    border: 1px solid var(--admin-border);
}

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

.admin-table thead th {
    background: var(--admin-surface-2);
    color: var(--admin-text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
    white-space: nowrap;
}

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

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

.admin-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

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

/* ===== STATUS BADGES ===== */
.admin-badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.admin-badge-pending {
    background: rgba(245,158,11,0.1);
    color: var(--admin-warning);
    border: 1px solid rgba(245,158,11,0.2);
}

.admin-badge-approved {
    background: rgba(16,185,129,0.1);
    color: var(--admin-success);
    border: 1px solid rgba(16,185,129,0.2);
}

.admin-badge-rejected {
    background: rgba(239,68,68,0.1);
    color: var(--admin-danger);
    border: 1px solid rgba(239,68,68,0.2);
}

.admin-badge-paid {
    background: rgba(16,185,129,0.1);
    color: var(--admin-success);
    border: 1px solid rgba(16,185,129,0.2);
}

.admin-badge-unpaid {
    background: rgba(239,68,68,0.1);
    color: var(--admin-danger);
    border: 1px solid rgba(239,68,68,0.2);
}

.admin-badge-present {
    background: rgba(16,185,129,0.1);
    color: var(--admin-success);
    border: 1px solid rgba(16,185,129,0.2);
}

.admin-badge-absent {
    background: rgba(239,68,68,0.1);
    color: var(--admin-danger);
    border: 1px solid rgba(239,68,68,0.2);
}

.admin-badge-leave {
    background: rgba(245,158,11,0.1);
    color: var(--admin-warning);
    border: 1px solid rgba(245,158,11,0.2);
}

/* ===== TOAST NOTIFICATION ===== */
.admin-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.admin-toast {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--admin-shadow-lg);
    pointer-events: auto;
    animation: toastSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    min-width: 280px;
    max-width: 400px;
}

.admin-toast.toast-exit {
    animation: toastSlideOut 0.3s ease forwards;
}

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

.admin-toast-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.admin-toast-msg {
    font-size: 0.88rem;
    color: var(--admin-text);
    line-height: 1.4;
}

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

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

/* ===== HELP MODAL ===== */
.admin-help-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 99998;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.admin-help-modal-overlay.active {
    display: flex;
}

.admin-help-modal {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 32px;
    max-width: 500px;
    width: 90%;
    animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    max-height: 80vh;
    overflow-y: auto;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.admin-help-modal h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-help-modal p {
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.admin-help-modal ul {
    color: var(--admin-text-muted);
    font-size: 0.88rem;
    line-height: 1.7;
    margin-left: 20px;
    margin-bottom: 16px;
}

/* ===== GENERIC MODAL SYSTEM ===== */
.admin-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    transition: var(--admin-transition);
}

.admin-modal.hidden {
    display: none;
}

.admin-modal-content {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--admin-shadow-lg);
    animation: modalPop 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.admin-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-modal-close {
    background: none;
    border: none;
    color: var(--admin-text-dim);
    font-size: 1.5rem;
    cursor: pointer;
}

.admin-modal-body {
    padding: 24px;
}

.admin-modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--admin-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.admin-help-close {
    margin-top: 16px;
    padding: 10px 24px;
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-xs);
    color: var(--admin-text);
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--admin-transition);
}

.admin-help-close:hover {
    background: var(--admin-surface-3);
}

/* ===== APPROVAL CARDS ===== */
.admin-approval-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 20px;
    margin-bottom: 16px;
    border-left: 4px solid var(--admin-warning);
    transition: var(--admin-transition);
}

.admin-approval-card:hover {
    border-color: var(--admin-border-light);
    box-shadow: var(--admin-shadow);
}

.admin-approval-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 10px;
}

.admin-approval-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.admin-approval-type {
    background: var(--admin-surface-2);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--admin-secondary);
}

.admin-approval-time {
    font-size: 0.78rem;
    color: var(--admin-text-dim);
}

.admin-approval-teacher {
    font-size: 0.85rem;
    color: var(--admin-text-muted);
    margin-bottom: 12px;
}

.admin-approval-preview {
    background: var(--admin-surface-2);
    border-radius: var(--admin-radius-xs);
    padding: 14px;
    font-size: 0.85rem;
    color: var(--admin-text-muted);
    margin-bottom: 16px;
    max-height: 120px;
    overflow-y: auto;
    border: 1px solid var(--admin-border);
}

.admin-approval-actions {
    display: flex;
    gap: 10px;
}

/* ===== SUB-TAB NAVIGATION ===== */
.admin-subtabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--admin-border);
}

.admin-subtab-btn {
    padding: 10px 18px;
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-xs);
    color: var(--admin-text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--admin-transition);
}

.admin-subtab-btn:hover {
    border-color: var(--admin-border-light);
    color: var(--admin-text);
}

.admin-subtab-btn.active {
    background: var(--admin-gradient);
    color: white;
    border-color: transparent;
}

.admin-subtab-content {
    display: none;
}

.admin-subtab-content.active {
    display: block;
    animation: sectionFadeIn 0.4s ease forwards;
}

/* ===== FEE TIER CARDS ===== */
.admin-fee-tier {
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    padding: 20px;
    margin-bottom: 16px;
}

.admin-fee-tier h4 {
    font-size: 0.95rem;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== BENEFIT CARD ===== */
.admin-benefit-card {
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}

.admin-benefit-card h4 {
    font-size: 0.88rem;
    color: var(--admin-text-muted);
    margin-bottom: 12px;
}

/* ===== GALLERY PREVIEW GRID ===== */
.admin-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.admin-gallery-item {
    border-radius: var(--admin-radius-sm);
    overflow: hidden;
    position: relative;
    background: var(--admin-surface-2);
    border: 1px solid var(--admin-border);
    transition: var(--admin-transition);
}

.admin-gallery-item:hover {
    border-color: var(--admin-border-light);
    transform: translateY(-2px);
}

.admin-gallery-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}

.admin-gallery-info {
    padding: 10px 12px;
}

.admin-gallery-info h5 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-gallery-info span {
    font-size: 0.72rem;
    color: var(--admin-text-dim);
}

.admin-gallery-delete {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(239,68,68,0.9);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    opacity: 0;
    transition: var(--admin-transition);
}

.admin-gallery-item:hover .admin-gallery-delete {
    opacity: 1;
}

/* ===== EMPTY STATE ===== */
.admin-empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--admin-text-dim);
}

.admin-empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

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

/* ===== MOBILE OVERLAY ===== */
.admin-sidebar-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    display: none;
    backdrop-filter: blur(2px);
}

/* ===== MEDIA VIEWER MODAL ===== */
.media-viewer-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 17, 23, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(10px);
}

.media-viewer-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 24px;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--admin-shadow-lg);
    animation: modalPop 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.media-viewer-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.media-viewer-content {
    padding: 30px;
    overflow-y: auto;
    flex: 1;
}

.media-viewer-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--admin-surface-2);
    color: var(--admin-text);
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--admin-transition);
}

.media-viewer-close:hover {
    background: var(--admin-danger);
    color: white;
}

.media-viewer-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--admin-border);
    display: flex;
    justify-content: flex-end;
}

.admin-sidebar-overlay.active {
    display: block;
}

/* Base Utility Classes */
.grid-responsive {
    display: grid;
    grid-template-columns: var(--grid-cols, 1fr 1fr);
    gap: var(--gap, 20px);
}

.flex-end {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    align-items: center;
}

/* ===== RESPONSIVE ===== */
@media screen and (max-width: 1024px) {
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }

    .admin-sidebar.active {
        transform: translateX(0);
        box-shadow: 10px 0 40px rgba(0,0,0,0.3);
    }

    .admin-main {
        margin-left: 0;
    }

    .admin-mobile-toggle {
        display: flex;
    }

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

    .admin-topbar {
        padding: 12px 16px;
    }

    .admin-topbar h1 {
        font-size: 1.1rem;
    }

    .admin-section-header {
        flex-direction: column;
    }

    .admin-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .admin-stat-card {
        padding: 16px;
    }

    .admin-stat-value {
        font-size: 1.5rem;
    }

    .admin-form-row {
        flex-direction: column;
    }

    .admin-form-row > * {
        min-width: 100%;
    }

    .admin-subtabs {
        gap: 6px;
    }

    .admin-subtab-btn {
        padding: 8px 14px;
        font-size: 0.78rem;
    }

    .admin-approval-actions {
        flex-direction: column;
    }

    .admin-approval-actions .admin-btn {
        width: 100%;
        justify-content: center;
    }

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

    .admin-login-card {
        margin: 20px;
        padding: 32px 24px;
    }
}

@media screen and (max-width: 480px) {
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-gallery-grid {
        grid-template-columns: 1fr;
    }

    .admin-topbar-right {
        gap: 8px;
    }


    .admin-toast {
        min-width: auto;
        max-width: 90vw;
    }

    /* Additional Utility Responsiveness */
    .grid-responsive {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }

    .flex-end {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
    }

    .flex-end > * {
        width: 100% !important;
        max-width: 100% !important;
    }

    .admin-form-row {
        flex-direction: column !important;
        gap: 10px !important;
    }

    .admin-form-col {
        width: 100% !important;
        max-width: 100% !important;
    }

    /* Table Responsiveness */
    .admin-table-wrapper {
        margin: 0 -10px;
        width: calc(100% + 20px);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .admin-table {
        min-width: 600px; /* Force scroll on small screens */
    }

    /* Chat Grid Fix */
    .chat-grid {
        grid-template-columns: 1fr !important;
    }
    .chat-sidebar {
        height: 200px !important;
        border-right: none !important;
        border-bottom: 1px solid var(--admin-border);
    }
    .chat-main {
        height: 450px !important;
    }
    #chatMessages, #studentChatMessages {
        height: 300px !important;
    }

    /* Admin Sidebar Fixes */
    .admin-sidebar {
        width: 85% !important;
        max-width: 300px !important;
    }
}