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

:root {
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Modern Palette */
    --primary: #4f46e5;
    --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
    --primary-dark: #3730a3;
    --primary-light: #eef2ff;
    
    --danger: #ef4444;
    --danger-gradient: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    --danger-dark: #be123c;
    
    --warning: #f59e0b;
    --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --warning-dark: #b45309;
    
    --success: #10b981;
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --success-dark: #047857;
    
    --purple: #8b5cf6;
    --purple-gradient: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    
    --orange: #f97316;
    --orange-gradient: linear-gradient(135deg, #f97316 0%, #c2410c 100%);
    
    /* Neutral Shades */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    /* Legacy alias compatibility */
    --gray-50: var(--slate-50);
    --gray-100: var(--slate-100);
    --gray-200: var(--slate-200);
    --gray-300: var(--slate-300);
    --gray-400: var(--slate-400);
    --gray-500: var(--slate-500);
    --gray-600: var(--slate-600);
    --gray-700: var(--slate-700);
    --gray-800: var(--slate-800);
    --gray-900: var(--slate-900);
    
    /* Elevation Shadows */
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.1), 0 10px 20px -5px rgba(15, 23, 42, 0.05);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.25);
    
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-family);
    background: #f1f5f9;
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.06) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--slate-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* ===== HEADER ===== */
.dashboard-header {
    background: #ffffff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 8px;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.header-top {
    display: flex;
    align-items: center;
    padding: 24px 32px;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
    color: white;
    gap: 24px;
    position: relative;
}

.header-top::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 40%;
    background: radial-gradient(circle at 100% 50%, rgba(99, 102, 241, 0.25), transparent 70%);
    pointer-events: none;
}

.header-top .school-logo {
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    padding: 12px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    z-index: 1;
}

.header-top .school-logo svg {
    display: block;
}

.header-title {
    flex: 1;
    z-index: 1;
}

.header-title h1 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
    background: linear-gradient(to right, #ffffff, #c7d2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-title h2 {
    font-size: 1.05rem;
    font-weight: 500;
    color: #a5b4fc;
}

.header-date {
    text-align: right;
    font-size: 0.88rem;
    line-height: 1.5;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 10px 18px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #e0e7ff;
    z-index: 1;
}

/* Header Login Buttons */
.header-login-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    margin-left: 12px;
    z-index: 1;
}

.btn-header {
    padding: 8px 18px;
    font-size: 0.84rem;
    white-space: nowrap;
    border-radius: 10px;
}

.header-bottom {
    padding: 14px 32px;
    background: #ffffff;
    border-top: 1px solid var(--slate-200);
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--slate-700);
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.15);
}

/* ===== TOOLBAR ===== */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.toolbar-left, .toolbar-right {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.toolbar-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    background: white;
    padding: 8px 16px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-200);
    white-space: nowrap;
}

.toolbar-info-label {
    font-size: 0.78rem;
    color: var(--slate-500);
    font-weight: 600;
}

.toolbar-info-value {
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--primary);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
}

.btn-success {
    background: var(--success-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}
.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.35);
}

.btn-warning {
    background: var(--warning-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}
.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
}

.btn-danger {
    background: var(--danger-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}
.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.35);
}

.btn-secondary {
    background: var(--slate-200);
    color: var(--slate-800);
}
.btn-secondary:hover {
    background: var(--slate-300);
    transform: translateY(-1px);
}

/* ===== INFO BAR ===== */
.info-bar {
    display: flex;
    gap: 20px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.info-item {
    background: white;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-200);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.info-label {
    font-size: 0.84rem;
    color: var(--slate-500);
    font-weight: 600;
}

.info-value {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--slate-900);
}

/* ===== TABLE CONTAINER ===== */
.table-container {
    background: #ffffff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    overflow-x: auto;
    margin-bottom: 24px;
    border: 1px solid var(--slate-200);
}

#jurnalTable {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.88rem;
    min-width: 950px;
}

#jurnalTable thead {
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    color: #ffffff;
}

#jurnalTable th {
    padding: 16px 12px;
    text-align: center;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.75px;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    position: sticky;
    top: 0;
    z-index: 10;
}

#jurnalTable th:last-child {
    border-right: none;
}

#jurnalTable th.col-no {
    min-width: 55px;
    width: 55px;
}

#jurnalTable th.col-kelas {
    min-width: 90px;
}

#jurnalTable td {
    padding: 12px 8px;
    text-align: center;
    border-bottom: 1px solid var(--slate-200);
    border-right: 1px solid var(--slate-200);
    transition: var(--transition);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.84rem;
    position: relative;
    user-select: none;
}

#jurnalTable td:first-child {
    font-weight: 800;
    background: var(--slate-50);
    color: var(--slate-700);
    cursor: default;
    border-right: 2px solid var(--slate-200);
}

/* Hover cell effect */
#jurnalTable td:hover:not(:first-child) {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.25);
    z-index: 20;
    border-radius: 8px;
}

#jurnalTable tbody tr:nth-child(even) td:first-child {
    background: var(--slate-100);
}

#jurnalTable tbody tr:hover td {
    background-color: rgba(79, 70, 229, 0.04);
}

/* Cell Status Colors */
#jurnalTable td.status-kosong {
    background: #ffffff;
    color: var(--slate-400);
}

#jurnalTable td.status-hadir {
    background: var(--success-gradient);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
}

#jurnalTable td.status-tugas {
    background: var(--purple-gradient);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.25);
}

#jurnalTable td.status-tidak-masuk {
    background: var(--danger-gradient);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.25);
}

#jurnalTable td.status-guru-pengganti {
    background: var(--warning-gradient);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(245, 158, 11, 0.25);
}

.cell-status-label {
    display: block;
    font-size: 0.7rem;
    opacity: 0.95;
    margin-top: 2px;
    font-weight: 700;
}

/* ===== GRADE & ROW DIVIDERS ===== */
/* Separator Garis Halus Antar Kelas 7, 8, dan 9 */
#jurnalTable th.grade-divider-left,
#jurnalTable td.grade-divider-left {
    border-left: 2px solid #6366f1 !important;
}

/* Separator Garis Halus Antar Jam 4 dan Jam 5 (Batas Istirahat) */
#jurnalTable tbody tr.jam-5-row td {
    border-top: 2px solid #6366f1 !important;
}

/* ===== FOOTER ===== */
.dashboard-footer {
    text-align: center;
    padding: 24px;
    color: var(--slate-500);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(8px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.modal.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--slate-200);
}

.modal-sm {
    max-width: 440px;
}

@keyframes slideUp {
    from {
        transform: translateY(30px) scale(0.96);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    border-bottom: 1px solid var(--slate-200);
    background: var(--slate-50);
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--slate-900);
}

.modal-close {
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--slate-400);
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger);
    transform: scale(1.1);
}

.modal-body {
    padding: 24px 28px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 18px 28px;
    border-top: 1px solid var(--slate-200);
    background: var(--slate-50);
}

/* ===== FORM CONTROLS ===== */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--slate-700);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: 0.9rem;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--slate-800);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--slate-200);
    margin-bottom: 20px;
    overflow-x: auto;
}

.admin-tab {
    padding: 12px 20px;
    font-family: var(--font-family);
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--slate-500);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.admin-tab:hover {
    color: var(--primary);
}

.admin-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

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

.admin-tab-content.active {
    display: block;
}

.admin-tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.admin-tab-header h4 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--slate-900);
}

.admin-list-item {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.admin-list-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.admin-list-item .item-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--slate-900);
    display: block;
}

.admin-list-item .item-sub {
    font-size: 0.82rem;
    color: var(--slate-500);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 36px;
    color: var(--slate-500);
    font-size: 0.9rem;
    font-weight: 500;
}

/* --- Notification Box --- */
.notification-box {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 0.92rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.notification-box.show {
    opacity: 1;
    visibility: visible;
    bottom: 40px;
}

.notification-box.success { background: var(--success-gradient); }
.notification-box.error { background: var(--danger-gradient); }

/* ===== PAPAN INFORMASI (INFO BOARD) ===== */
.info-item-full {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background: #ffffff;
    padding: 16px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--slate-200);
    flex: 1 1 auto;
    min-width: 280px;
    max-width: 580px;
    transition: var(--transition);
}

.info-board-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.info-board-header .info-label {
    flex-grow: 1;
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--slate-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-board-header .info-label::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
    animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.info-board-header .btn-icon-toggle {
    transition: transform 0.3s ease;
    background: var(--slate-100);
    color: var(--slate-600);
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.info-board-header .btn-icon-toggle:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.info-board-content {
    max-height: 160px;
    overflow-y: auto;
    margin-bottom: 10px;
    padding-right: 6px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-board-content::-webkit-scrollbar {
    width: 5px;
}
.info-board-content::-webkit-scrollbar-thumb {
    background: var(--slate-300);
    border-radius: 4px;
}

.message-item {
    padding: 10px 14px;
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.message-item:hover {
    background: #ffffff;
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    font-weight: 800;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    text-transform: uppercase;
}

.message-body {
    flex: 1;
}

.message-content {
    font-size: 0.86rem;
    font-weight: 600;
    line-height: 1.45;
    color: var(--slate-800);
}

.message-meta {
    font-size: 0.74rem;
    color: var(--slate-400);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.message-meta .sender {
    font-weight: 700;
    color: var(--primary);
}

.info-board-form {
    display: flex;
    gap: 8px;
    border-top: 1px solid var(--slate-200);
    padding-top: 12px;
}

.info-board-form .form-input {
    flex: 1;
    padding: 10px 14px;
    font-size: 0.85rem;
    border-radius: 10px;
}

/* Collapsed State */
.info-item-full.collapsed .info-board-content,
.info-item-full.collapsed .info-board-form {
    display: none;
}

.info-item-full.collapsed .info-board-header {
    margin-bottom: 0;
}

.info-item-full.collapsed .btn-icon-toggle svg {
    transform: rotate(-90deg);
}

/* ===== FIT SCREEN / COMPACT TABLE MODE ===== */
body.fit-screen .table-container {
    overflow-x: hidden;
}

body.fit-screen #jurnalTable {
    min-width: 100% !important;
    width: 100% !important;
    table-layout: fixed !important;
}

body.fit-screen #jurnalTable th,
body.fit-screen #jurnalTable td {
    padding: 6px 2px !important;
    font-size: 0.76rem !important;
}

body.fit-screen #jurnalTable th.col-no {
    width: 45px !important;
    min-width: 45px !important;
}

body.fit-screen .cell-status-label {
    font-size: 0.64rem !important;
    line-height: 1.15 !important;
}

body.fit-screen #jurnalTable td strong {
    font-size: 0.72rem !important;
}