/* ============================================
   TechPulse — Complete Stylesheet
   ============================================ */

:root {
    --bg: #f8fafc;
    --bg-alt: #ffffff;
    --bg-soft: #f1f5f9;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: #dbeafe;
    --accent: #f59e0b;
    --danger: #dc2626;
    --success: #16a34a;
    --header-bg: rgba(255, 255, 255, 0.85);
    --footer-bg: #0f172a;
    --footer-text: #cbd5e1;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html.dark-theme {
    --bg: #0b1220;
    --bg-alt: #131c2e;
    --bg-soft: #1a2438;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: #22304a;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-soft: #1e3a8a;
    --header-bg: rgba(11, 18, 32, 0.85);
    --footer-bg: #060c18;
    --footer-text: #94a3b8;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.65;
    background: var(--bg);
    color: var(--text);
    transition: background-color var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main { flex: 1; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }

a:focus-visible, button:focus-visible,
input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.container {
    width: 92%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 4px;
}

/* ============ News Ticker ============ */
.ticker {
    background: linear-gradient(90deg, #0f172a, #1e293b);
    color: #e2e8f0;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.9rem;
    position: relative;
    z-index: 5;
}
.ticker-label {
    background: #dc2626;
    color: #fff;
    padding: 8px 14px;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.ticker-label::before {
    content: "";
    width: 8px; height: 8px;
    background: #fff;
    border-radius: 50%;
    animation: pulse 1.4s infinite ease-in-out;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}
.ticker-track {
    display: flex;
    gap: 40px;
    white-space: nowrap;
    animation: ticker-scroll 45s linear infinite;
    padding-left: 40px;
    will-change: transform;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item { display: inline-flex; align-items: center; gap: 8px; }
.ticker-item::before { content: "▸"; color: #3b82f6; font-weight: 700; }
.ticker-item a { color: inherit; }
.ticker-item a:hover { color: #60a5fa; }
@keyframes ticker-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ============ Header ============ */
.main-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
}
.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 4px;
    gap: 16px;
    flex-wrap: wrap;
}
.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text);
    letter-spacing: -0.02em;
}
.logo svg polyline { stroke: var(--primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}
.nav-links a {
    color: var(--text);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: background var(--transition), color var(--transition);
}
.nav-links a:hover { background: var(--bg-soft); color: var(--primary); }
.nav-links a.active { color: var(--primary); background: var(--primary-soft); }

.admin-btn {
    background: var(--primary) !important;
    color: #fff !important;
    padding: 8px 16px !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 600 !important;
}
.admin-btn:hover { background: var(--primary-hover) !important; color: #fff !important; }

#darkModeToggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text);
    cursor: pointer;
    font-size: 18px;
    transition: all var(--transition);
    margin-left: 4px;
}
#darkModeToggle:hover { border-color: var(--primary); color: var(--primary); }

/* ============ Hero ============ */
.hero-section {
    text-align: center;
    margin: 40px 0 24px;
    padding: 0 4px;
}
.hero-section h1 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-section p {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto;
}

/* ============ Search + Filter ============ */
.toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    margin: 24px 0 8px;
    flex-wrap: wrap;
}
.search-box {
    flex: 1;
    min-width: 220px;
    position: relative;
}
.search-box input {
    width: 100%;
    padding: 12px 16px 12px 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-alt);
    color: var(--text);
    font: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
.search-box::before {
    content: "🔍";
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9rem;
    pointer-events: none;
    opacity: 0.6;
}

.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 12px 0 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.filter-chip {
    background: var(--bg-soft);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition);
}
.filter-chip:hover { background: var(--primary-soft); color: var(--primary); }
.filter-chip.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ============ Articles Grid ============ */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 22px;
    padding: 12px 0 60px;
}
.article-card {
    background: var(--bg-alt);
    padding: 26px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}
.article-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--primary), #7c3aed);
    opacity: 0;
    transition: opacity var(--transition);
}
.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}
.article-card:hover::before { opacity: 1; }

.article-card .card-category {
    display: inline-block;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    width: fit-content;
}
.article-card h3 {
    font-size: 1.15rem;
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--text);
}
.article-card h3 a { color: inherit; }
.article-card h3 a:hover { color: var(--primary); }
.article-card p {
    color: var(--text-muted);
    font-size: 0.93rem;
    flex: 1;
}
.article-card .card-meta {
    display: flex;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--text-muted);
    padding-top: 10px;
    border-top: 1px solid var(--border);
}
.read-more {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.92rem;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}
.read-more:hover { gap: 10px; color: var(--primary-hover); }

/* ============ Sidebar ============ */
.layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    padding: 12px 0 60px;
    align-items: start;
}
.sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 90px; }
.widget {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow-sm);
}
.widget h3 {
    font-size: 1rem;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
.popular-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.popular-list li { display: flex; gap: 12px; align-items: flex-start; }
.popular-num {
    flex-shrink: 0;
    width: 26px; height: 26px;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}
.popular-list a { color: var(--text); font-size: 0.9rem; font-weight: 500; line-height: 1.4; }
.popular-list a:hover { color: var(--primary); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    background: var(--bg-soft);
    color: var(--text-muted);
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}
.tag:hover { background: var(--primary); color: #fff; }

.newsletter-form { display: flex; flex-direction: column; gap: 10px; }
.newsletter-form input {
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font: inherit;
    font-size: 0.9rem;
}
.newsletter-form input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px var(--primary-soft); }
.newsletter-form button {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 11px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: background var(--transition);
}
.newsletter-form button:hover { background: var(--primary-hover); }
.newsletter-msg { font-size: 0.85rem; color: var(--success); min-height: 1em; }

/* ============ Single Article ============ */
.reading-progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), #7c3aed);
    z-index: 9999;
    transition: width 0.1s linear;
}
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 20px 0 0;
    font-size: 0.88rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--primary); }
.breadcrumbs .current {
    color: var(--text);
    font-weight: 600;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-container { max-width: 760px; margin: 0 auto; padding: 20px 0 60px; }
.single-article {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    margin-top: 20px;
}
.article-header { margin-bottom: 24px; }
.article-header .article-category {
    display: inline-block;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.article-header h1 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-bottom: 14px;
}
.article-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.88rem;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.article-hero-img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--radius);
    margin: 20px 0;
}
.article-excerpt {
    padding: 16px 20px;
    background: var(--primary-soft);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 24px;
    font-style: italic;
}
html.dark-theme .article-excerpt { background: rgba(59, 130, 246, 0.12); }
.article-excerpt p { margin: 0; }
.article-content { font-size: 1.02rem; line-height: 1.75; }
.article-content p { margin-bottom: 18px; }

.share-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    margin: 32px 0 20px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.share-label { font-weight: 600; font-size: 0.9rem; color: var(--text-muted); }
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    background: var(--bg-soft);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border);
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition);
}
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

.back-row { text-align: center; margin-top: 24px; }

.related-section { margin-top: 50px; }
.section-heading {
    font-size: 1.3rem;
    letter-spacing: -0.01em;
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    position: relative;
    padding-left: 14px;
}
.section-heading::before {
    content: "";
    position: absolute;
    left: 0; top: 4px;
    width: 4px; height: 22px;
    background: var(--primary);
    border-radius: 2px;
}

.not-found { text-align: center; padding: 80px 20px; }
.not-found-icon { font-size: 4rem; margin-bottom: 16px; }
.not-found h1 { font-size: 1.8rem; margin-bottom: 8px; }
.not-found p { color: var(--text-muted); margin-bottom: 24px; }

.loading-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }

/* ============ Buttons ============ */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 22px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    transition: all var(--transition);
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; transform: translateY(-1px); }
.btn-secondary {
    background: var(--bg-soft);
    color: var(--text);
    border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg); color: var(--primary); border-color: var(--primary); }

/* ============ Static Pages ============ */
.page-content {
    background: var(--bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 40px;
    margin: 30px auto 60px;
    box-shadow: var(--shadow-sm);
    max-width: 800px;
}
.page-content h1 {
    font-size: clamp(1.6rem, 3vw, 2rem);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}
.page-content h2 { font-size: 1.2rem; margin: 24px 0 10px; color: var(--primary); }
.page-content p { margin-bottom: 14px; }
.page-content ul { margin: 0 0 16px 22px; }
.page-content li { margin-bottom: 6px; }

.contact-form { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-weight: 600; font-size: 0.9rem; }
.form-group input, .form-group textarea, .form-group select {
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============ Admin ============ */
.admin-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 30px 0 60px;
    align-items: start;
}
.admin-form-card, .admin-list-card {
    background: var(--bg-alt);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.admin-form-card h3, .admin-list-card h3 {
    font-size: 1.15rem;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    position: relative;
    padding-left: 14px;
}
.admin-form-card h3::before, .admin-list-card h3::before {
    content: "";
    position: absolute;
    left: 0; top: 4px;
    width: 4px; height: 22px;
    background: var(--primary);
    border-radius: 2px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

.image-uploader { display: flex; flex-direction: column; gap: 8px; }
.image-preview {
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    background: var(--bg-soft);
    transition: all var(--transition);
}
.image-preview:hover { border-color: var(--primary); background: var(--primary-soft); }
.image-preview img { width: 100%; max-height: 220px; object-fit: cover; }
.image-hint { color: var(--text-muted); font-size: 0.88rem; }

.admin-article-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}
.admin-article-item:last-child { border-bottom: none; }
.admin-article-item > div:first-child { flex: 1; min-width: 0; }
.admin-article-item h4 { font-size: 0.98rem; line-height: 1.35; margin-bottom: 4px; word-break: break-word; }
.admin-article-item p {
    font-size: 0.85rem; color: var(--text-muted);
    overflow: hidden; text-overflow: ellipsis;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.item-btns { display: flex; gap: 6px; flex-shrink: 0; }

.btn-edit, .btn-delete {
    border: none;
    padding: 7px 12px;
    border-radius: 6px;
    cursor: pointer;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    transition: all var(--transition);
}
.btn-edit { background: #fef3c7; color: #92400e; }
.btn-edit:hover { background: var(--accent); color: #fff; }
.btn-delete { background: #fee2e2; color: #991b1b; }
.btn-delete:hover { background: var(--danger); color: #fff; }
html.dark-theme .btn-edit { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
html.dark-theme .btn-delete { background: rgba(220, 38, 38, 0.15); color: #f87171; }

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.stat {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
}
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-size: 1.5rem; font-weight: 800; color: var(--primary); margin-top: 2px; }

/* ============ Footer ============ */
.main-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 40px 0 24px;
    margin-top: 40px;
    font-size: 0.9rem;
}
.main-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--footer-text); }
.footer-links a:hover { color: #60a5fa; }

/* ============ Scroll Top ============ */
#scrollTopBtn {
    display: none;
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 99;
    width: 48px; height: 48px;
    font-size: 20px;
    border: none;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    align-items: center;
    justify-content: center;
}
#scrollTopBtn.visible { display: flex; }
#scrollTopBtn:hover { background: var(--primary-hover); transform: translateY(-3px); }

/* ============ Toast ============ */
.toast {
    position: fixed;
    bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text);
    color: var(--bg);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 500;
    pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ============ Responsive ============ */
@media (max-width: 960px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
}
@media (max-width: 860px) {
    .admin-container { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .main-header .container { flex-direction: column; align-items: stretch; gap: 8px; }
    .nav-links { justify-content: flex-start; }
    .nav-links a { font-size: 0.88rem; padding: 6px 10px; }
    .hero-section h1 { font-size: 1.5rem; }
    .main-footer .container { justify-content: center; text-align: center; }
    .ticker { font-size: 0.82rem; }
    .ticker-label { font-size: 0.68rem; padding: 6px 10px; }
    .single-article, .page-content { padding: 24px 20px; }
    .form-row { grid-template-columns: 1fr; }
    .article-meta { font-size: 0.82rem; gap: 10px; }
    .breadcrumbs .current { max-width: 160px; }
}

/* ============ Language selector (shared across every page) ============ */
.lang-select {
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    outline: none;
}

/* ============ Reading progress bar (top of viewport) ============ */
#readingProgressBar {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    background: var(--primary);
    width: 0%;
    z-index: 10000;
    transition: width 0.1s ease-out;
}

/* ============ Bookmark + Like buttons ============ */
.bookmark-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    padding: 0 2px;
    transition: transform 0.2s;
}
.bookmark-btn:hover { transform: scale(1.15); }

.like-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition);
}
.like-btn:hover { border-color: var(--primary); }
.like-btn.liked { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.like-count { font-variant-numeric: tabular-nums; }

/* ============ Admin access modal (injected by common.js on every page) ============ */
.admin-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}
.admin-modal-overlay.active { display: flex; }
.admin-modal-card {
    background: #1e293b;
    color: #f8fafc;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    width: 100%;
    max-width: 360px;
    text-align: center;
    border: 1px solid #334155;
    font-family: inherit;
}
.admin-modal-card h3 { margin-top: 0; margin-bottom: 12px; font-size: 1.25rem; }
.admin-modal-card input {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: 1px solid #475569;
    background: #0f172a;
    color: #fff;
    box-sizing: border-box;
    outline: none;
}
.admin-modal-card button {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: none;
    background: #2563eb;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}
.admin-modal-card button:hover { background: #1d4ed8; }

/* ============ Code block copy button ============ */
pre { position: relative; }
.copy-code-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #334155;
    color: #ffffff;
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: background 0.2s;
}
.copy-code-btn:hover { background: #475569; }

/* ============ Article image gallery ============ */
.article-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin: 24px 0;
}
.article-gallery .gallery-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

/* ============ Comments section ============ */
.comments-section { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.comments-unavailable {
    background: var(--bg-soft);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============ Forum page ============ */
.forum-hero { text-align: center; padding: 30px 0 10px; }
.forum-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 24px 0;
}
.forum-cat-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}
.forum-cat-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.forum-cat-card.active { border-color: var(--primary); background: var(--primary-soft); }
.forum-cat-card .forum-cat-icon { font-size: 2rem; display: block; margin-bottom: 8px; }
.forum-note { text-align: center; font-size: 0.85rem; color: var(--text-muted); margin: 16px 0; }
#forumThread { min-height: 200px; margin-top: 20px; }

/* ============ News widget (homepage) ============ */
.news-widget-item {
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    color: var(--text);
    text-decoration: none;
}
.news-widget-item:last-child { border-bottom: none; }
.news-widget-item:hover { color: var(--primary); }
.news-widget-tag {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 4px;
    padding: 1px 6px;
    margin-inline-end: 6px;
}

/* ============ News page (news.html) ============ */
.news-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 20px 0 40px;
}
.news-columns .widget { margin: 0; }
.news-columns .news-widget-item { padding: 10px 0; font-size: 0.92rem; }

/* ============ Featured spotlight (homepage) ============ */
.featured-spotlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
    margin: 24px 0 36px;
}
.featured-spotlight .article-card {
    border: 1px solid var(--primary);
    background: linear-gradient(180deg, var(--primary-soft), var(--bg-alt) 60%);
}
.site-stats-bar {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 18px 0 6px;
}
.site-stats-bar .stat-block { text-align: center; }
.site-stats-bar .stat-num { font-size: 1.6rem; font-weight: 800; color: var(--primary); display: block; }
.site-stats-bar .stat-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

/* ============ Forum discussion starters ============ */
.forum-starters {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin: 20px 0;
    display: none;
}
.forum-starters.active { display: block; }
.forum-starters h4 { margin: 0 0 8px; font-size: 0.95rem; }
.forum-starters ul { margin: 0; padding-inline-start: 20px; font-size: 0.88rem; color: var(--text-muted); }
.forum-starters li { margin-bottom: 4px; }
.forum-cat-desc { font-size: 0.82rem; color: var(--text-muted); margin: -8px 0 16px; text-align: center; display: none; }
.forum-cat-desc.active { display: block; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .ticker-track { animation: none; padding-left: 20px; overflow-x: auto; }
}
/* تنسيق الصورة الرئيسية البارزة (Hero Image) لتظهر كاملة وبأبعاد صحيحة */
.article-hero-img {
    width: 100%;
    max-height: 450px;
    object-fit: contain; /* لتجنب قص الصورة وعرضها كاملة */
    background-color: #0f172a; /* خلفية متناسقة في حال كانت أبعاد الصورة مختلفة */
    border-radius: 8px;
    margin: 20px 0;
}

/* تنسيق الصورة الرئيسية البارزة (Hero Image) لتظهر كاملة وبدون ألوان جانبية سوداء */
.article-hero-img {
    width: 100%;
    max-height: 480px;
    object-fit: contain; /* إظهار الصورة كاملة داخل الإطار دون قص */
    background-color: transparent; /* إزالة اللون الأسود نهائياً وجعل الخلفية شفافة */
    border-radius: 8px;
    margin: 20px 0;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* تنسيق شبكة صور المعرض (Gallery) في أسفل المقال لتوحيد الأبعاد وإظهارها كاملة */
.article-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.article-gallery img.gallery-img {
    width: 100%;
    height: 280px; /* توحيد الارتفاع لجميع صور المعرض */
    object-fit: contain; /* ضبط محتوى الصورة لتظهر كاملة بداخل الأبعاد المحددة */
    background-color: transparent; /* إزالة أي خلفية سوداء محتملة */
    border-radius: 8px;
    border: 1px solid var(--border-color, #334155);
    display: block;
}