/* ========================================================
   Gsm Mokrom - Core Production Stylesheet
   Designed for Fast cPanel Shared Hosting (No build required)
   ======================================================== */

:root {
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-subtle: #f1f5f9;
    --border-color: #e2e8f0;
    --border-subtle: rgba(226, 232, 240, 0.8);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #eff6ff;
    --accent-text: #1d4ed8;
    --success: #16a34a;
    --success-bg: #f0fdf4;
    --warning: #d97706;
    --danger: #dc2626;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] {
    --bg-page: #090d16;
    --bg-surface: #0f172a;
    --bg-surface-hover: #1e293b;
    --bg-subtle: #162032;
    --border-color: #1e293b;
    --border-subtle: rgba(30, 41, 59, 0.8);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #0284c7;
    --accent-light: rgba(56, 189, 248, 0.12);
    --accent-text: #38bdf8;
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Container */
.container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* Header & Top Bar */
.site-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 24px;
}

.brand-link {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.brand-badge {
    background: var(--accent);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 4px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
    list-style: none;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }

.nav-link {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 4px;
    position: relative;
    transition: color 0.15s ease;
}
.nav-link:hover, .nav-link.active {
    color: var(--accent);
}

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

.theme-toggle-btn, .mobile-toggle-btn {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}
.theme-toggle-btn:hover, .mobile-toggle-btn:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.mobile-toggle-btn {
    display: none;
}

/* Mobile Nav Drawer */
.mobile-nav {
    display: none;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
}
.mobile-nav.open {
    display: block;
}
.mobile-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mobile-nav a {
    display: block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--text-secondary);
}
.mobile-nav a:hover, .mobile-nav a.active {
    background: var(--bg-subtle);
    color: var(--accent);
}

/* Hero & Search Section */
.hero-section {
    padding: 48px 0 36px;
    text-align: center;
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 28px;
}

.search-box-wrap {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--bg-surface);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px 8px;
    box-shadow: var(--shadow-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-form:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.search-icon {
    margin-left: 12px;
    color: var(--text-muted);
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 14px;
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
    font-family: inherit;
}
.search-input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 11px 22px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s ease;
}
.search-btn:hover {
    background: var(--accent-hover);
}

/* Quick Search Suggestions */
.quick-tags {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.quick-tag-link {
    color: var(--text-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--border-color);
}
.quick-tag-link:hover {
    color: var(--accent);
}

/* Section Header */
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}
.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.section-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.view-all-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.view-all-link:hover {
    text-decoration: underline;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 48px;
}

.category-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.category-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.category-icon-box {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--accent-light);
    color: var(--accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.category-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}
.category-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Downloads Grid & Items */
.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 18px;
    margin-bottom: 40px;
}

.download-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.download-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.download-card-top {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 12px;
}

.download-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    background: var(--bg-subtle);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.download-info {
    flex: 1;
    min-width: 0;
}

.download-title {
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.35;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.download-title a:hover {
    color: var(--accent);
}

.download-desc {
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.45;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Zero-Pill Clean Metadata Row */
.metadata-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-variant-numeric: tabular-nums;
}
.metadata-sep {
    color: var(--border-color);
}
.metadata-val {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Card Actions */
.card-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-download {
    flex: 1;
    background: var(--accent);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.88rem;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background-color 0.15s ease;
    border: none;
    cursor: pointer;
}
.btn-download:hover {
    background: var(--accent-hover);
    color: #ffffff;
}

.btn-details {
    background: var(--bg-subtle);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.88rem;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: background-color 0.15s ease, color 0.15s ease;
}
.btn-details:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* File Details Page */
.details-container {
    padding: 32px 0 60px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.breadcrumb a:hover {
    color: var(--accent);
}

.file-header-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
}

.file-header-flex {
    display: flex;
    align-items: flex-start;
    gap: 22px;
}

.file-header-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: var(--accent-light);
    color: var(--accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-header-details {
    flex: 1;
}

.file-header-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.4rem, 2.5vw, 1.9rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
    margin-bottom: 8px;
}

/* Specs Grid */
.specs-table {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}
.spec-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.spec-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}
.spec-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

/* Download Action Center */
.download-action-box {
    background: var(--bg-subtle);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 24px;
    text-align: center;
}
.download-action-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.download-action-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 18px;
}
.download-buttons-cluster {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}
.btn-primary-download {
    background: var(--accent);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    padding: 13px 28px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    transition: background 0.15s ease, transform 0.15s ease;
}
.btn-primary-download:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    color: #ffffff;
}
.btn-mirror {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s ease;
}
.btn-mirror:hover {
    background: var(--bg-surface-hover);
}

/* Content Article Blocks */
.details-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 28px;
}
.content-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 20px;
}
.content-box-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}
.content-prose {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-line;
}

/* Filter & Sort Bar */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-bottom: 24px;
}
.filter-count {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}
.filter-count strong {
    color: var(--text-primary);
}
.sort-form {
    display: flex;
    align-items: center;
    gap: 10px;
}
.sort-select {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.86rem;
    outline: none;
    font-family: inherit;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 32px;
}
.page-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    min-width: 38px;
    text-align: center;
    font-variant-numeric: tabular-nums;
    transition: all 0.15s ease;
}
.page-item:hover, .page-item.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-surface);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 40px;
}
.empty-state-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.empty-state-text {
    font-size: 0.92rem;
    color: var(--text-muted);
    max-width: 480px;
    margin: 0 auto 20px;
}

/* Footer & WhatsApp Floating Button */
.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 28px 0;
    margin-top: 60px;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-copy {
    font-size: 0.88rem;
    color: var(--text-muted);
}
.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.btn-whatsapp-sm {
    background: #25D366;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-whatsapp-sm:hover {
    background: #1eb956;
    color: #ffffff;
}

/* WhatsApp Floating Action Button */
.whatsapp-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #25D366;
    color: #ffffff;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.45);
    z-index: 90;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    color: #ffffff;
}
.whatsapp-fab svg {
    width: 30px;
    height: 30px;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .mobile-toggle-btn { display: inline-flex; }
    .details-content-grid { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
    .downloads-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr 1fr; }
    .card-actions { flex-direction: column; }
    .btn-download, .btn-details { width: 100%; }
    .specs-table { grid-template-columns: 1fr 1fr; }
    .file-header-flex { flex-direction: column; }
}