/* ===================================
   SAMR Public Viewer — Mobile-First CSS
   =================================== */

:root {
    /* Color System */
    --bg-primary: #0f1923;
    --bg-secondary: #162231;
    --bg-card: #1a2a3a;
    --bg-card-hover: #213344;
    --bg-input: #1e2f42;

    --text-primary: #e8edf3;
    --text-secondary: #8fa3b8;
    --text-muted: #5d7a94;

    --accent-blue: #3b82f6;
    --accent-cyan: #22d3ee;
    --accent-green: #34d399;
    --accent-amber: #fbbf24;
    --accent-purple: #a78bfa;
    --accent-red: #f87171;

    --border: rgba(255, 255, 255, 0.06);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --font-sans: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ========================
   Header
   ======================== */
.header {
    background: linear-gradient(135deg, #0d2137 0%, #162e4a 50%, #1a3358 100%);
    border-bottom: 1px solid var(--border);
    padding: 20px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.header-inner {
    max-width: 600px;
    margin: 0 auto;
}

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

.logo-icon {
    font-size: 28px;
    filter: drop-shadow(0 2px 4px rgba(59, 130, 246, 0.3));
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

.subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 2px;
}

/* ========================
   Stats Section
   ======================== */
.stats-section {
    padding: 20px 16px;
    max-width: 600px;
    margin: 0 auto;
}

/* Total + Updated header */
.stats-header {
    text-align: center;
    margin-bottom: 14px;
}

.stat-total-big {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--accent-blue);
    line-height: 1.1;
}

.stat-total-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

.stat-updated-small {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 6px;
    opacity: 0.7;
}

.stat-updated-small span {
    color: var(--text-secondary);
}

/* Category cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 14px 10px;
    text-align: center;
    border: 1px solid var(--border);
    transition: transform 0.2s ease;
}

.stat-card:active {
    transform: scale(0.97);
}

.stat-number {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-cat-jyaj .stat-number { color: var(--accent-green); }
.stat-cat-xzcf .stat-number { color: var(--accent-red); }
.stat-cat-ftj .stat-number { color: var(--accent-amber); }

.stat-cat-jyaj { border-bottom: 2px solid var(--accent-green); }
.stat-cat-xzcf { border-bottom: 2px solid var(--accent-red); }
.stat-cat-ftj { border-bottom: 2px solid var(--accent-amber); }

/* Province Chart */
.province-chart {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--border);
}

.chart-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 600;
}

.chart-bar-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.chart-bar-label {
    width: 60px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: right;
    flex-shrink: 0;
}

.chart-bar-track {
    flex: 1;
    height: 20px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.chart-bar-fill {
    height: 100%;
    border-radius: 10px;
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}

.chart-bar-fill::after {
    content: attr(data-count);
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.bar-color-0 { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.bar-color-1 { background: linear-gradient(90deg, #22d3ee, #67e8f9); }
.bar-color-2 { background: linear-gradient(90deg, #34d399, #6ee7b7); }
.bar-color-3 { background: linear-gradient(90deg, #fbbf24, #fcd34d); }
.bar-color-4 { background: linear-gradient(90deg, #a78bfa, #c4b5fd); }
.bar-color-5 { background: linear-gradient(90deg, #f87171, #fca5a5); }

/* ========================
   Search & Filter
   ======================== */
.search-section {
    padding: 0 16px 12px;
    max-width: 600px;
    margin: 0 auto;
    position: sticky;
    top: 76px;
    z-index: 90;
    background: var(--bg-primary);
    padding-top: 8px;
}

.search-bar {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0 14px;
    transition: border-color 0.2s;
}

.search-bar:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.search-icon {
    font-size: 1rem;
    margin-right: 8px;
    flex-shrink: 0;
}

#search-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    padding: 12px 0;
    outline: none;
    font-family: var(--font-sans);
}

#search-input::placeholder {
    color: var(--text-muted);
}

.clear-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 50%;
    display: none;
    transition: color 0.2s, background 0.2s;
}

.clear-btn.visible {
    display: block;
}

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

.filter-row {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.filter-select {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 8px 10px;
    outline: none;
    font-family: var(--font-sans);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='%238fa3b8'%3E%3Cpath d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 28px;
}

.filter-select:focus {
    border-color: var(--accent-blue);
}

.result-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
    padding-left: 2px;
    min-height: 1.2em;
}

/* ========================
   Case List
   ======================== */
.case-list {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 16px;
    min-height: 300px;
}

.loading {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

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

/* Case Card */
.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-bottom: 8px;
    text-decoration: none;
    display: block;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
    cursor: pointer;
}

.case-card:active {
    transform: scale(0.98);
    background: var(--bg-card-hover);
}

@media (hover: hover) {
    .case-card:hover {
        background: var(--bg-card-hover);
        border-color: rgba(59, 130, 246, 0.2);
    }
}

.case-title {
    font-size: 0.93rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.case-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 20px;
    letter-spacing: 0.3px;
}

.tag-date {
    background: rgba(251, 191, 36, 0.12);
    color: var(--accent-amber);
}

.tag-province {
    background: rgba(59, 130, 246, 0.12);
    color: var(--accent-blue);
}

.tag-category {
    background: rgba(52, 211, 153, 0.12);
    color: var(--accent-green);
}

.case-link-hint {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 3px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.6;
}

.empty-state .empty-text {
    font-size: 0.95rem;
}

/* ========================
   Pagination
   ======================== */
.pagination {
    max-width: 600px;
    margin: 16px auto;
    padding: 0 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.page-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 8px 14px;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all 0.2s;
    min-width: 40px;
    text-align: center;
}

.page-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-blue);
}

.page-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
    font-weight: 600;
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-info {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0 8px;
}

/* ========================
   Upsell Banner
   ======================== */
.upsell-banner {
    max-width: 600px;
    margin: 24px auto;
    padding: 0 16px;
}

.upsell-content {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(167, 139, 250, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
}

.upsell-icon {
    font-size: 1.8rem;
    display: block;
    margin-bottom: 10px;
}

.upsell-content p {
    margin-bottom: 6px;
}

.upsell-content strong {
    color: var(--accent-blue);
    font-size: 0.95rem;
}

.upsell-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.upsell-contact {
    font-size: 0.8rem;
    color: var(--accent-cyan);
    font-weight: 500;
    margin-top: 4px;
}

/* ========================
   Footer
   ======================== */
.footer {
    max-width: 600px;
    margin: 0 auto;
    padding: 24px 16px 40px;
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.8;
    border-top: 1px solid var(--border);
}

.footer-disclaimer {
    opacity: 0.7;
}

/* ========================
   Animations
   ======================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.case-card {
    animation: fadeIn 0.3s ease forwards;
}

/* Stagger animation */
.case-card:nth-child(1) { animation-delay: 0.02s; }
.case-card:nth-child(2) { animation-delay: 0.04s; }
.case-card:nth-child(3) { animation-delay: 0.06s; }
.case-card:nth-child(4) { animation-delay: 0.08s; }
.case-card:nth-child(5) { animation-delay: 0.1s; }
.case-card:nth-child(6) { animation-delay: 0.12s; }
.case-card:nth-child(7) { animation-delay: 0.14s; }
.case-card:nth-child(8) { animation-delay: 0.16s; }
.case-card:nth-child(9) { animation-delay: 0.18s; }
.case-card:nth-child(10) { animation-delay: 0.2s; }

/* ========================
   Responsive tweaks
   ======================== */
@media (min-width: 480px) {
    .stat-number { font-size: 1.8rem; }
    .case-title { font-size: 1rem; }
}