/* ============================================================
   Public Homepage Styles (v4 - working)
   ============================================================ */

:root {
    --primary: #667eea;
    --primary-dark: #764ba2;
    --grad: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg: #f8f9fb;
    --text: #1a1a2e;
    --muted: #6c757d;
    --border: #e6e8ed;
    --card-bg: #fff;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { color: var(--primary); }

/* ============================================================
   NAV
   ============================================================ */
.public-nav {
    background: var(--grad);
    color: #fff;
    padding: 14px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.public-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.public-nav .brand {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}
.public-nav .nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.lang-select {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
}
.lang-select option { color: #1a1a2e; }
.theme-toggle {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
}
.theme-toggle:hover { background: rgba(255,255,255,0.25); }

/* ============================================================
   HERO
   ============================================================ */
.public-hero {
    background: var(--grad);
    color: #fff;
    padding: 60px 0 40px;
    text-align: center;
}
.public-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.public-hero .lead {
    font-size: 1.15rem;
    opacity: 0.95;
    margin-bottom: 24px;
}
.hero-search {
    max-width: 600px;
    margin: 0 auto 16px;
}
.hero-search .input-group-text,
.hero-search .form-control::placeholder { color: rgba(255,255,255,0.7); }
.hero-search .form-control {
    background: rgba(255,255,255,0.95);
    border: none;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 16px;
    font-size: 0.95rem;
    opacity: 0.9;
}
.hero-stats span { display: flex; align-items: center; gap: 6px; }

/* ============================================================
   CATEGORY BAR
   ============================================================ */
.category-bar {
    background: var(--card-bg);
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    white-space: nowrap;
}
.category-bar .container {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.cat-chip {
    background: #f4f6fb;
    color: var(--text);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    border: 1px solid transparent;
}
.cat-chip:hover {
    background: var(--primary);
    color: #fff;
}
.cat-chip.active {
    background: var(--grad);
    color: #fff;
}

/* ============================================================
   POSTS GRID
   ============================================================ */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.post-card {
    background: var(--card-bg);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border);
}
.post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}

.post-link {
    display: block;
    color: inherit;
    height: 100%;
}

.post-thumb {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: #f0f0f0;
}
.post-thumb-wrap {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: #f0f0f0;
}
.post-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}
.post-card:hover .post-thumb-img { transform: scale(1.05); }
.post-thumb-wrap.img-failed {
    background: var(--grad);
    display: flex;
    align-items: center;
    justify-content: center;
}
.post-thumb-wrap.img-failed::after {
    content: "\F471";
    font-family: "bootstrap-icons";
    font-size: 60px;
    color: rgba(255,255,255,0.5);
}
.post-thumb-wrap.img-failed img { display: none; }
.post-thumb-placeholder {
    background: var(--grad);
    display: flex;
    align-items: center;
    justify-content: center;
}
.post-thumb-placeholder i {
    font-size: 60px;
    color: rgba(255,255,255,0.5);
}

.post-body {
    padding: 18px;
}
.post-cat {
    display: inline-block;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-dark);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}
.post-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-desc {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}
.post-tag {
    background: #f4f6fb;
    color: var(--muted);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
}
.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--muted);
}
.post-meta span { display: flex; align-items: center; gap: 4px; }
.post-card:hover .post-title { color: var(--primary-dark); }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination-wrap {
    margin: 32px 0;
}
.pagination .page-link {
    color: var(--primary-dark);
    border-radius: 8px;
    margin: 0 3px;
    border: 1px solid var(--border);
    padding: 10px 16px;
    font-weight: 600;
}
.pagination .page-item.active .page-link {
    background: var(--grad);
    border-color: transparent;
    color: #fff;
}
.pagination .page-item.disabled .page-link {
    color: var(--muted);
    background: #f4f6fb;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--muted);
}
.empty-state i {
    font-size: 64px;
    opacity: 0.3;
    margin-bottom: 16px;
}
.empty-state h3 {
    color: var(--text);
    margin-bottom: 8px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.public-footer {
    background: #1a1a2e;
    color: #aab1bd;
    padding: 24px 0;
    margin-top: auto;
    font-size: 13px;
}
.public-footer a {
    color: #c7d0d9;
    margin-left: 16px;
}
.public-footer a:hover { color: #fff; }

/* ============================================================
   DARK MODE
   ============================================================ */
body.dark-mode {
    background: #0f1419;
    color: #e6e9ed;
    --card-bg: #1a1f29;
    --border: #2a2f3a;
    --text: #e6e9ed;
    --muted: #8892a0;
}
body.dark-mode .post-card { background: var(--card-bg); }
body.dark-mode .post-title { color: var(--text); }
body.dark-mode .cat-chip {
    background: #1a1f29;
    color: var(--text);
    border-color: #2a2f3a;
}
body.dark-mode .post-tag { background: #2a2f3a; color: var(--muted); }
body.dark-mode .pagination .page-link {
    background: var(--card-bg);
    border-color: #2a2f3a;
    color: var(--text);
}
body.dark-mode .pagination .page-item.disabled .page-link { background: #0f1419; }
body.dark-mode .public-footer { background: #0a0d12; }
body.dark-mode .category-bar { background: var(--card-bg); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .public-hero { padding: 40px 0 30px; }
    .public-hero h1 { font-size: 2rem; }
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .public-nav .container { flex-direction: column; align-items: stretch; }
    .nav-right { justify-content: center; }
}