/* ============================================
   SKPKLC Modern Design System - Complete Reset & Redesign
   Professional & Cool UI/UX for School Management
   ============================================ */

/* === ROOT VARIABLES === */
:root {
    /* Primary Colors - Can be overridden by theme system */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #8b5cf6;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    
    /* Backwards compatibility with old variable names */
    --biru-tua: #2563eb;
    --biru-muda: #3b82f6;
    --merah: #ef4444;
    --oranye: #f59e0b;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Layout Colors */
    --sidebar-bg: #1e293b;
    --sidebar-header-bg: #0f172a;
    --main-bg: #f1f5f9;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* === GLOBAL RESET === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--main-bg);
    overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p { margin-bottom: var(--spacing-md); }

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

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

/* === SIDEBAR === */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 250px;
    background: var(--sidebar-bg);
    color: white;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--sidebar-header-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: white;
    padding: var(--spacing-xs);
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
    color: var(--oranye);
}

.hamburger {
    margin-left: auto;
    font-size: 1.5rem;
    color: white;
    background: none;
    border: none;
    cursor: pointer;
    display: none;
    padding: var(--spacing-sm);
}

.sidebar-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md) 0;
}

.sidebar-menu a {
    color: white !important;
    text-decoration: none;
    padding: 0.875rem 1.5rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.9375rem;
    border-left: 3px solid transparent;
    transition: all var(--transition-base);
    font-weight: 500;
}

.sidebar-menu a i {
    width: 20px;
    text-align: center;
}

.sidebar-section {
    margin: 0.2rem 0;
}

.sidebar-section summary {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-height: 44px;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.82);
    cursor: pointer;
    list-style: none;
    font-size: 0.875rem;
    font-weight: 600;
    user-select: none;
}

.sidebar-section summary::-webkit-details-marker {
    display: none;
}

.sidebar-section summary > i:first-child {
    width: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.68);
}

.sidebar-section summary:hover,
.sidebar-section[open] summary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--oranye);
}

.sidebar-section[open] summary > i:first-child {
    color: var(--oranye);
}

.sidebar-section-chevron {
    margin-left: auto;
    width: auto !important;
    font-size: 0.7rem;
    transition: transform var(--transition-base);
}

.sidebar-section[open] .sidebar-section-chevron {
    transform: rotate(180deg);
}

.sidebar-section-links {
    padding: 0.15rem 0 0.35rem;
}

.sidebar-section-links a {
    padding-left: 3.25rem;
    min-height: 40px;
    font-size: 0.875rem;
}

.sidebar-section-links a.active {
    background: rgba(255, 255, 255, 0.12);
}

.sidebar-menu > a:first-child {
    margin-bottom: 0.25rem;
}

.sidebar-menu a.active,
.sidebar-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--oranye);
    color: var(--oranye) !important;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.logout-btn {
    color: white;
    text-decoration: none;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    transition: color var(--transition-base);
}

.logout-btn:hover {
    color: var(--oranye);
}

.user-info {
    margin-top: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.user-info .fa-crown {
    color: var(--oranye) !important;
}

.user-info .fa-crown + span {
    color: var(--oranye) !important;
    font-weight: 600;
}

.admin-subrole-badge {
    margin-left: var(--spacing-sm);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.menu-section-divider {
    margin: var(--spacing-md) 0 0;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
}

@media (max-width: 900px) {
    .sidebar {
        width: 220px;
    }
}

@media (max-width: 700px) {
    .sidebar {
        transform: translateX(-100%) !important;
        width: 280px;
        z-index: 1500;
        height: 100%;
    }
    
    .sidebar.open {
        transform: translateX(0) !important;
    }
    
    .hamburger {
        display: none;
    }
}

/* === MOBILE MENU TOGGLE === */
.menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1000;
    background: var(--primary);
    color: white;
    border: none;
    font-size: 1.25rem;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all var(--transition-base);
}

.menu-toggle:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.menu-toggle i {
    line-height: 1;
    display: inline-block;
}

@media (max-width: 700px) {
    .menu-toggle {
        display: none;
    }
    
    body.sidebar-open .menu-toggle {
        display: none !important;
    }
}

/* === MAIN LAYOUT === */
.main {
    margin-left: 250px;
    padding: var(--spacing-xl);
    min-height: 100vh;
    transition: margin-left var(--transition-base);
}

@media (max-width: 900px) {
    .main { margin-left: 220px; padding: var(--spacing-lg); }
}

@media (max-width: 700px) {
    .main { margin-left: 0; padding: 70px var(--spacing-md) var(--spacing-lg); }
}

/* === CARDS & CONTAINERS === */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--gray-50);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    margin: calc(var(--spacing-xl) * -1) calc(var(--spacing-xl) * -1) var(--spacing-lg);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--gray-50);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    margin: var(--spacing-lg) calc(var(--spacing-xl) * -1) calc(var(--spacing-xl) * -1);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

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

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

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

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

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

.btn-secondary:hover {
    background: #7c3aed;
    color: white;
}

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

.btn-success:hover {
    background: #059669;
    color: white;
}

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

.btn-danger:hover {
    background: #dc2626;
    color: white;
}

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

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

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* === FORMS === */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-control, input[type="text"], input[type="email"], 
input[type="password"], input[type="number"], input[type="tel"],
input[type="date"], input[type="time"], input[type="datetime-local"],
input[type="url"], select, textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-800);
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-family: var(--font-sans);
}

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

.form-control:disabled {
    background: var(--gray-100);
    cursor: not-allowed;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    flex: 1;
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group .btn {
    border-radius: 0;
}

.input-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* === TABLES === */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

table thead {
    background: var(--gray-50);
    position: sticky;
    top: 0;
    z-index: 10;
}

table thead th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

table tbody tr:hover {
    background: var(--gray-50);
}

table tbody td {
    padding: 0.875rem 1rem;
    color: var(--gray-700);
    vertical-align: middle;
}

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

/* === ALERTS & MESSAGES === */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-color: #6ee7b7;
}

.alert-error, .alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fca5a5;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-color: #fde68a;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-color: #93c5fd;
}

/* === BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background: #dbeafe;
    color: var(--primary);
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

/* === DASHBOARD COMPONENTS === */
.dashboard-welcome {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.dashboard-role {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.dashboard-quicklinks {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.dashboard-quicklinks a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9375rem;
    box-shadow: var(--shadow-sm);
}

.dashboard-quicklinks a:hover {
    color: white;
    opacity: 0.9;
}

.dashboard-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.dashboard-box {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.dashboard-box h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-100);
}

.dashboard-box .big {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.dashboard-entry {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-100);
}

.dashboard-entry:last-child {
    border-bottom: none;
}

.dashboard-fallback {
    text-align: center;
    color: var(--gray-500);
    font-style: italic;
    padding: var(--spacing-lg) 0;
}

.dashboard-student-name,
.dashboard-class {
    font-size: 1.1rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* === ROLE BADGES === */
.role-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}
.role-admin { background-color: #e3f2fd; color: #1565c0; }
.role-guru { background-color: #e8f5e9; color: #2e7d32; }
.role-siswa { background-color: #fff3e0; color: #e65100; }
.role-ortu { background-color: #e8f5e9; color: #2e7d32; }
.role-superuser { background-color: #fce4ec; color: #c62828; }

/* === FORM GRID === */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.25rem;
    align-items: start;
}
.form-grid .form-row {
    grid-column: 1 / -1;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.form-grid .form-row.inline-right {
    grid-column: auto;
    display: block;
    align-self: start;
}
.form-grid .form-row .form-group {
    flex: 1 1 260px;
    min-width: 220px;
}

/* === BIRTHDAY BANNER (sidebar) === */
.birthday-container {
    text-align: center;
    padding: 10px;
    margin-bottom: 5px;
}
.birthday-container .birthday-title {
    font-size: 1.2em;
    font-weight: bold;
    color: #ffeb3b;
}
.birthday-container .birthday-name {
    font-size: 1em;
    color: white;
    margin-top: 5px;
}
.birthday-container .birthday-emoji {
    font-size: 1.5em;
    margin-top: 5px;
}

/* === SIDEBAR HEADER OVERRIDE (birthday mode) === */
.sidebar-header:has(.birthday-container) {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
}

/* === SIDEBAR BRAND ROW === */
.sidebar-brand-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

/* === ANNIVERSARY TEXT === */
.anniversary-text {
    text-align: center;
    width: 100%;
}

/* === RAPOR TABLE STYLES === */
.rapor-header { text-align: center; margin-bottom: 1em; }
.rapor-header h2 { margin-bottom: 0; }
.rapor-info { margin-bottom: 1em; }
.rapor-table, .rapor-table th, .rapor-table td {
    border: 1px solid #333;
    border-collapse: collapse;
}
.table-container {
    width: 100%;
    overflow-x: auto;
    margin: 1em 0;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 0 0 1px var(--border-color);
    border-radius: var(--radius-sm);
}
.rapor-table {
    width: 100%;
    min-width: 1000px;
    border-collapse: collapse;
    font-size: 0.95em;
}
.rapor-table th { background: var(--gray-100); }
.signature-section { margin-top: 2em; display: flex; justify-content: space-between; }
.signature-box { text-align: center; width: 30%; }
.non-academic, .attendance { margin-top: 1.5em; }
.non-academic-table, .attendance-table { border: 1px solid #333; border-collapse: collapse; width: 100%; }
.non-academic-table th, .non-academic-table td,
.attendance-table th, .attendance-table td {
    border: 1px solid #333;
    padding: 3px 7px;
    font-size: 0.95em;
}

/* === PRINT STYLES === */
@media print {
    .sidebar, .menu-toggle, .btn-print, .no-print, .dashboard-quicklinks { display: none !important; }
    .main { margin-left: 0 !important; padding: 0 !important; }
    body { background: white; }
    @page { margin: 0.5cm; }
    table { display: table !important; width: 100% !important; border-collapse: collapse !important; }
    th, td { display: table-cell !important; }
}

/* === UTILITIES === */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-end { text-align: right; }
.text-left { text-align: left; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.flex-wrap { flex-wrap: wrap; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.ms-1 { margin-left: var(--spacing-xs); }
.ms-2 { margin-left: var(--spacing-sm); }
.me-1 { margin-right: var(--spacing-xs); }
.me-2 { margin-right: var(--spacing-sm); }

.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-normal { font-weight: 400; }

.small { font-size: 0.875rem; }
.smaller { font-size: 0.75rem; }

.bg-light { background: var(--gray-100); }
.bg-dark { background: var(--gray-800); color: white; }
.bg-primary { background: var(--primary); color: white; }
.bg-success { background: var(--success); color: white; }
.bg-danger { background: var(--danger); color: white; }
.bg-warning { background: var(--warning); color: white; }

/* === MODALS === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--spacing-lg);
}

.modal {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* === LOADING STATES === */
.spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* === PAGE HEADER === */
.page-header {
    position: relative;
    padding: 18px 20px 20px 20px;
    margin: 0 0 18px 0;
    background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.page-header::after {
    content: "";
    position: absolute;
    right: -60px;
    top: -40px;
    width: 220px;
    height: 220px;
    background: radial-gradient(closest-side, #eef3ff, rgba(238,243,255,0) 70%);
    pointer-events: none;
}
.page-header h1 {
    margin: 0 0 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: .2px;
    font-size: 1.75rem;
    position: relative;
}
.page-header h1 i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff7e0;
    color: var(--oranye);
    box-shadow: inset 0 0 0 2px rgba(255,179,0,.2);
}
.page-header h1::after {
    content: "";
    position: absolute;
    left: 52px;
    bottom: -6px;
    width: 140px;
    height: 4px;
    background: linear-gradient(90deg, var(--oranye), #ffd666, rgba(255,214,102,0));
    border-radius: 6px;
}
.page-header p {
    margin: 0;
    color: var(--gray-600);
    font-size: .98rem;
}

/* === STATS GRID === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.stat-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.stat-content h3 {
    margin: 0;
    font-size: 2rem;
    font-weight: bold;
    color: var(--gray-800);
}
.stat-content p {
    margin: 0;
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* === DASHBOARD GRID & QUICK ACTIONS === */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}
.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--gray-800);
}
.quick-action-btn:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}
.quick-action-btn i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #667eea;
}
.quick-action-btn span {
    font-weight: 500;
    text-align: center;
}
.system-info {
    display: grid;
    gap: 1rem;
}
.info-item {
    padding: 0.75rem;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    border-left: 4px solid #667eea;
}

/* === RESPONSIVE === */
@media (max-width: 992px) {
    .dashboard-grid { grid-template-columns: 1fr; gap: 1.25rem; }
    .form-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .dashboard-boxes {
        grid-template-columns: 1fr;
    }
    
    .dashboard-quicklinks {
        flex-direction: column;
    }
    
    .dashboard-quicklinks a {
        width: 100%;
        justify-content: center;
    }
    
    .table-responsive {
        border-radius: var(--radius-md);
    }
    
    table {
        font-size: 0.8125rem;
    }
    
    table thead th,
    table tbody td {
        padding: 0.625rem 0.75rem;
    }

    .page-header { padding: 10px 10px 12px 10px; margin: 0 0 10px 0; border-radius: 10px; }
    .page-header::after { right: -40px; top: -28px; width: 140px; height: 140px; }
    .page-header h1 { font-size: 1.18rem; gap: 8px; }
    .page-header h1 i { width: 26px; height: 26px; }
    .page-header h1::after { left: 40px; width: 80px; bottom: -4px; height: 3px; }
    .page-header p { font-size: .9rem; }

    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .6rem; }
    .stat-card { padding: .8rem; gap: .55rem; }
    .stat-icon { width: 36px; height: 36px; font-size: 1.05rem; }
    .stat-content h3 { font-size: 1.2rem; }
    .stat-content p { font-size: .85rem; }

    .quick-actions { grid-template-columns: repeat(2, 1fr); gap: .6rem; }
    .quick-action-btn { padding: .7rem; }
    .quick-action-btn i { font-size: 1.35rem; }
    .quick-action-btn span { font-size: .93rem; }

    .system-info { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: .55rem; }
    .quick-actions { grid-template-columns: 1fr; gap: .55rem; }
    .quick-action-btn { padding: .68rem; }
}

/* === LOGIN PAGE === */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-form {
    width: 100%;
    max-width: 420px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.login-header {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    border-bottom: 1px solid var(--border-color);
}

.login-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin: 0 auto var(--spacing-lg);
    display: block;
    border-radius: var(--radius-lg);
    background: white;
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.login-header h2 {
    margin: 0 0 var(--spacing-sm);
    font-size: 1.75rem;
    color: var(--gray-900);
}

.login-header p {
    margin: 0;
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.login-body {
    padding: var(--spacing-xl);
}

.login-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.password-input-wrapper {
    position: relative;
}

.password-input-wrapper .form-control {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-base);
}

.password-toggle:hover {
    color: var(--primary);
}

.remember-me {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--gray-700);
    margin: 0;
}

.remember-me input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* === STATUS BADGES === */
.status-hadir {
    background: #d1fae5;
    color: #065f46;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-izin {
    background: #fef3c7;
    color: #92400e;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-sakit {
    background: #dbeafe;
    color: #1e40af;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-alpa {
    background: #fee2e2;
    color: #991b1b;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

/* === EMPTY STATES === */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--gray-500);
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-md);
    display: block;
}

.empty-state p {
    margin: 0;
    font-size: 1rem;
}

/* === FILTER CARD === */
.filter-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.filter-card .card-header {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.filter-card .card-body {
    padding: var(--spacing-lg);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-row .form-group {
    flex: 1;
    min-width: 220px;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
    
    .form-row .form-group {
        min-width: 100%;
    }
}

/* === SECTION TITLE === */
.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title i {
    color: var(--primary);
}

/* === GURU MAPEL KELAS STYLES === */
#mapelKelasContainer, #edit_mapelKelasContainer {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
}

.mapel-item {
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.mapel-item:last-child {
    margin-bottom: 0;
}

.mapel-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-800);
    cursor: pointer;
    margin-bottom: 0;
    font-size: 0.9rem;
}

.mapel-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
}

.mapel-checkbox span {
    flex: 1;
}

.kelas-selection {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
}

.kelas-selection small {
    font-size: 0.8rem;
    margin: 0;
    display: block;
}

.kelas-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.kelas-checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-300);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all var(--transition-base);
}

.kelas-checkbox-item:hover {
    background: #dbeafe;
    border-color: var(--primary);
}

.kelas-checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.kelas-checkbox-item input[type="checkbox"]:checked + span,
.kelas-checkbox-item:has(input[type="checkbox"]:checked) {
    color: var(--primary);
    font-weight: 500;
}

/* === THEME SETTINGS PAGE === */
.theme-presets-card, .theme-settings-card {
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.theme-presets-card h3, .theme-settings-card h3 {
    margin-top: 0;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.theme-presets-card p, .theme-settings-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.preset-item {
    background: var(--gray-50);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.preset-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.preset-item.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
    box-shadow: var(--shadow-lg);
}

.preset-colors {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
    margin-bottom: var(--spacing-md);
}

.preset-colors span {
    height: 30px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.preset-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.9375rem;
}

.preset-item.active .preset-name {
    color: var(--primary);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.color-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.color-item label {
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
}

.color-item label i {
    font-size: 1.125rem;
}

.color-item input[type="color"] {
    width: 100%;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.color-item input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    text-transform: uppercase;
    background: white;
    color: var(--gray-900);
    font-size: 0.875rem;
}

.button-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    display: none;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
    display: block;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    display: block;
}

.preview-section {
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.preview-section h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.preview-box {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 300px;
    background: var(--gray-50);
}

.preview-sidebar {
    width: 200px;
    background: var(--sidebar-bg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.preview-sidebar-item {
    padding: var(--spacing-md);
    color: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-base);
}

.preview-sidebar-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.preview-sidebar-item.active {
    background: var(--primary);
}

.preview-content {
    flex: 1;
    padding: var(--spacing-xl);
    background: var(--main-bg);
}

.preview-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-base);
}

.preview-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .presets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .color-grid {
        grid-template-columns: 1fr;
    }
    
    .preview-box {
        flex-direction: column;
    }
    
    .preview-sidebar {
        width: 100%;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .button-group .btn {
        width: 100%;
        justify-content: center;
    }
}

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

/* === PRINT STYLES === */
@media print {
    .sidebar, .menu-toggle, .btn-print { display: none !important; }
    .main { margin-left: 0; }
    body { background: white; }
}