/* assets/css/style.css */
/* Modern Glassmorphic Stylesheet with Harmonious Color Palette */

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

:root {
    /* Color Palette */
    --bg-main: #0a0e1a;
    --bg-sidebar: rgba(13, 20, 38, 0.85);
    --bg-card: rgba(23, 33, 60, 0.55);
    --bg-card-hover: rgba(30, 42, 77, 0.75);
    --border-glass: rgba(255, 255, 255, 0.07);
    --border-glass-focus: rgba(99, 102, 241, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Brand Accents */
    --accent: hsl(238, 83%, 67%); /* Indigo */
    --accent-glow: rgba(99, 102, 241, 0.25);
    --accent-success: hsl(150, 80%, 45%); /* Emerald */
    --accent-danger: hsl(350, 80%, 60%); /* Crimson */
    
    /* Class Colors */
    --color-mtk: hsl(152, 70%, 48%);
    --color-mtk-glow: rgba(16, 185, 129, 0.15);
    --color-ipa: hsl(188, 85%, 45%);
    --color-ipa-glow: rgba(6, 182, 212, 0.15);
    --color-ips: hsl(27, 90%, 55%);
    --color-ips-glow: rgba(249, 115, 22, 0.15);
    --color-agama: hsl(45, 95%, 50%);
    --color-agama-glow: rgba(234, 179, 8, 0.15);
    --color-umum: hsl(210, 20%, 55%);
    --color-umum-glow: rgba(107, 114, 128, 0.15);

    /* Shadows & Transitions */
    --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-glow: 0 0 20px 2px rgba(99, 102, 241, 0.15);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
}

/* Base resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 10% 20%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(6, 182, 212, 0.1) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(139, 92, 246, 0.05) 0px, transparent 60%);
    background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(13, 20, 38, 0.4);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Main Layout */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    position: relative;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-glass);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    z-index: 10;
    flex-shrink: 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding-left: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.logo-icon svg {
    width: 22px;
    height: 22px;
    fill: white;
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(to right, #ffffff, #c7d2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 2px;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: auto;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.nav-item a:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.03);
    transform: translateX(4px);
}

.nav-item.active a {
    color: var(--text-primary);
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.03) 100%);
    border-color: var(--border-glass-focus);
    border-left: 4px solid var(--accent);
    padding-left: 13px; /* Adjust for border width */
}

.nav-item svg {
    width: 20px;
    height: 20px;
    transition: var(--transition-fast);
}

.nav-item:hover svg, .nav-item.active svg {
    color: var(--accent);
    filter: drop-shadow(0 0 5px var(--accent));
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-glass);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Content Panel Styling */
.main-content {
    flex-grow: 1;
    height: 100vh;
    overflow-y: auto;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Header Content area */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.header-title h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-title p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Stats Dashboard Panel */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.stat-card {
    background-color: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    box-shadow: var(--shadow-main);
    border-color: rgba(255, 255, 255, 0.12);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent);
}

.stat-card.mtk::before { background-color: var(--color-mtk); }
.stat-card.ipa::before { background-color: var(--color-ipa); }
.stat-card.ips::before { background-color: var(--color-ips); }
.stat-card.agama::before { background-color: var(--color-agama); }
.stat-card.umum::before { background-color: var(--color-umum); }

.stat-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.stat-value span {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Glassmorphic Main Card Container */
.glass-card {
    background-color: var(--bg-card);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-main);
}

.card-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-glass);
}

.card-title-bar h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 600;
}

/* Tab Panels */
.tab-panel {
    display: none;
    animation: fadeIn var(--transition-normal);
}

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

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

/* Table Design */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.custom-table th {
    padding: 16px 20px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-glass);
    background-color: rgba(13, 20, 38, 0.3);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.custom-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-glass);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

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

/* Badges for classes */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.badge-mtk {
    background-color: var(--color-mtk-glow);
    color: var(--color-mtk);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-ipa {
    background-color: var(--color-ipa-glow);
    color: var(--color-ipa);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-ips {
    background-color: var(--color-ips-glow);
    color: var(--color-ips);
    border: 1px solid rgba(249, 115, 22, 0.3);
}

.badge-agama {
    background-color: var(--color-agama-glow);
    color: var(--color-agama);
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.badge-umum {
    background-color: var(--color-umum-glow);
    color: var(--color-umum);
    border: 1px solid rgba(107, 114, 128, 0.3);
}

.badge-unplaced {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid var(--border-glass);
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-fast);
    font-family: 'Inter', sans-serif;
    color: white;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a62e3, #7c3aed);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--border-glass);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-success {
    background-color: var(--accent-success);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    background-color: hsl(150, 80%, 40%);
}

.btn-danger {
    background-color: var(--accent-danger);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: hsl(350, 80%, 52%);
}

.btn-icon-only {
    padding: 8px;
    border-radius: var(--radius-sm);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.78rem;
}

/* Control elements on Card header */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.search-input-wrapper {
    position: relative;
    max-width: 320px;
    width: 100%;
}

.search-input-wrapper svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.search-input {
    width: 100%;
    padding: 10px 14px 10px 42px;
    background-color: rgba(13, 20, 38, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.88rem;
    transition: var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: rgba(13, 20, 38, 0.8);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.filter-select {
    padding: 10px 14px;
    background-color: rgba(13, 20, 38, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent);
}

.filter-select option {
    background-color: var(--bg-main);
    color: var(--text-primary);
}

/* Dashboard Action Grid */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.action-card {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition-normal);
}

.action-card:hover {
    border-color: var(--border-glass-focus);
    background-color: rgba(255, 255, 255, 0.04);
}

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

.action-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-card-icon svg {
    width: 24px;
    height: 24px;
}

.action-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
}

.action-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.5;
}

/* Placement Wizard & Process Log */
.placement-wizard-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 750px;
    margin: 0 auto;
    padding: 10px 0;
}

.progress-wizard {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 20px;
}

.progress-wizard::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    z-index: 1;
}

.progress-wizard-fill {
    content: '';
    position: absolute;
    top: 24px;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(to right, var(--accent), var(--color-ipa));
    z-index: 2;
    transition: width 0.5s ease;
}

.wizard-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 3;
    gap: 8px;
    width: 80px;
}

.wizard-node {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: #161e31;
    border: 3px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-muted);
    font-family: 'Outfit', sans-serif;
    transition: var(--transition-normal);
}

.wizard-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.wizard-step.active .wizard-node {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    background-color: #1e2942;
}

.wizard-step.active .wizard-label {
    color: var(--text-primary);
}

.wizard-step.completed .wizard-node {
    background-color: var(--accent-success);
    border-color: var(--accent-success);
    color: white;
}

.wizard-step.completed .wizard-label {
    color: var(--accent-success);
}

.run-placement-banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 40px;
    border: 2px dashed var(--border-glass);
    border-radius: var(--radius-lg);
    background-color: rgba(255, 255, 255, 0.01);
}

.run-placement-banner svg {
    width: 64px;
    height: 64px;
    color: var(--accent);
    margin-bottom: 20px;
    opacity: 0.7;
}

.run-placement-banner h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.run-placement-banner p {
    color: var(--text-secondary);
    max-width: 480px;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* Logging Consol Console Style */
.console-log {
    background-color: #030712;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.82rem;
    color: #4ade80;
    height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.8);
}

.console-line {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.console-timestamp {
    color: var(--text-muted);
    user-select: none;
}

.console-text {
    word-break: break-all;
}

.console-text.info { color: #38bdf8; }
.console-text.success { color: #4ade80; }
.console-text.warning { color: #facc15; }
.console-text.error { color: #ef4444; }

/* Modal Design System */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(3, 7, 18, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-container {
    background-color: #111827;
    border: 1px solid var(--border-glass-focus);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 700px;
    max-height: 90%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

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

.modal-overlay.active .modal-container {
    transform: scale(1);
    opacity: 1;
}

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

.modal-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.modal-close svg {
    width: 22px;
    height: 22px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-glass);
    background-color: rgba(13, 20, 38, 0.3);
}

/* Forms Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-grid-full {
    grid-column: span 2;
}

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

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    padding: 10px 14px;
    background-color: rgba(13, 20, 38, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.2);
}

.grade-section-title {
    grid-column: span 2;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

/* Results Visual Lists */
.results-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 15px;
    flex-wrap: wrap;
}

.results-tab-btn {
    padding: 8px 16px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.results-tab-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.08);
}

.results-tab-btn.active {
    color: white;
}

.results-tab-btn.active.mtk { background-color: var(--color-mtk); border-color: var(--color-mtk); }
.results-tab-btn.active.ipa { background-color: var(--color-ipa); border-color: var(--color-ipa); }
.results-tab-btn.active.ips { background-color: var(--color-ips); border-color: var(--color-ips); }
.results-tab-btn.active.agama { background-color: var(--color-agama); border-color: var(--color-agama); }
.results-tab-btn.active.umum { background-color: var(--color-umum); border-color: var(--color-umum); }

.quota-indicator {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Guide Book Tab */
.guide-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.guide-section {
    border-left: 3px solid var(--accent);
    padding-left: 20px;
}

.guide-section h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.guide-section p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.guide-list {
    list-style: decimal inside;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.formula-block {
    background-color: rgba(13, 20, 38, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #cbd5e1;
    margin: 8px 0;
}

/* Pagination Control */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 25px;
}

.pagination-btn {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.empty-state svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Responsive constraints */
@media (max-width: 900px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-glass);
        padding: 20px;
    }
    .logo-container {
        margin-bottom: 20px;
    }
    .nav-menu {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 8px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
    }
    .nav-menu::-webkit-scrollbar {
        display: none;
    }
    .nav-item {
        flex-shrink: 0;
    }
    .nav-item a {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    .nav-item.active a {
        border-left: 1px solid transparent;
        border-bottom: 3px solid var(--accent);
        padding-left: 12px;
    }
    .sidebar-footer {
        display: none;
    }
    .main-content {
        padding: 20px;
        height: auto;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-grid-full {
        grid-column: span 1;
    }
    .grade-section-title {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .header-actions {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .header-actions select, .header-actions button {
        width: 100%;
        justify-content: center;
    }
    .controls-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .search-input-wrapper {
        max-width: 100%;
    }
    .controls-bar > div {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .controls-bar .filter-select, .controls-bar .btn {
        width: 100%;
        justify-content: center;
    }
    .results-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
        margin-bottom: 15px;
        scrollbar-width: none;
    }
    .results-tabs::-webkit-scrollbar {
        display: none;
    }
    .results-tab-btn {
        flex-shrink: 0;
    }
    .custom-table th, .custom-table td {
        white-space: nowrap;
        padding: 10px 12px;
    }
}

@media (max-width: 600px) {
    .wizard-step {
        width: auto;
    }
    .wizard-label {
        display: none;
    }
    .wizard-step.active .wizard-label {
        display: block;
        position: absolute;
        bottom: -22px;
        white-space: nowrap;
        font-size: 0.65rem;
    }
    .progress-wizard {
        margin-bottom: 30px;
    }
    .wizard-node {
        width: 38px;
        height: 38px;
        font-size: 0.85rem;
    }
    .progress-wizard::before, .progress-wizard-fill {
        top: 19px;
    }
    .modal-overlay {
        padding: 10px;
    }
    .modal-body {
        padding: 16px;
    }
    .modal-footer, .modal-header {
        padding: 12px 16px;
    }
    .glass-card {
        padding: 16px;
    }
    .stat-card {
        padding: 16px;
    }
    .stat-value {
        font-size: 1.8rem;
    }
}