/* ══════════════════════════════════════════════════
   ITSTAR Blog – Page-specific styles (blog.css)
   ══════════════════════════════════════════════════ */

/* ── HOME PAGE ──────────────────────────────────── */
.hero-section {
    background: linear-gradient(160deg, #0F172A 0%, #1a1040 50%, #0F172A 100%);
    padding: var(--space-16) 0 var(--space-12);
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,0.25) 0%, transparent 70%);
    pointer-events: none;
}
.hero-content { position: relative; text-align: center; }

.hero-label {
    display: inline-block;
    margin-bottom: var(--space-4);
    padding: 0.3rem 1rem;
    background: rgba(99,102,241,0.15);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-accent-hover);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: var(--space-5);
    background: linear-gradient(135deg, #E2E8F0 0%, #818CF8 50%, #E2E8F0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto var(--space-10);
}

/* Search bar */
.search-wrap {
    max-width: 660px;
    margin: 0 auto;
    position: relative;
}
.search-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--color-bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-3) var(--space-3) var(--space-3) var(--space-6);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.08);
    transition: all var(--transition-normal);
}
.search-bar:focus-within {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}
.search-icon { color: var(--color-text-dim); flex-shrink: 0; }
.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-body);
    padding: 0;
}
.search-input::placeholder { color: var(--color-text-dim); }
.search-btn {
    background: linear-gradient(135deg, var(--color-accent), #8B5CF6);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    padding: 0.6rem 1.4rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-normal);
}
.search-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 15px var(--color-accent-glow); }

/* Category strip */
.category-section { padding: var(--space-8) 0 var(--space-4); }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}
.section-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.category-strip {
    display: flex;
    gap: var(--space-3);
    overflow-x: auto;
    padding-bottom: var(--space-2);
    scrollbar-width: none;
}
.category-strip::-webkit-scrollbar { display: none; }

.category-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 1.25rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-normal);
    text-decoration: none;
}
.category-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-hover);
}
.category-btn.active {
    background: linear-gradient(135deg, var(--color-accent), #8B5CF6);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px var(--color-accent-glow);
}
.category-count {
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-full);
    padding: 0.1rem 0.45rem;
    font-size: 0.7rem;
    font-weight: 700;
}

/* Tag filter row */
.tag-section { padding: var(--space-2) 0 var(--space-6); }
.tag-strip {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    min-height: 30px;
}

/* Posts grid */
.posts-section { padding: var(--space-4) 0 var(--space-16); }
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-6);
}

/* ── POST CARD ──────────────────────────────────── */
.post-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    text-decoration: none;
}
.post-card:hover {
    border-color: rgba(99,102,241,0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(99,102,241,0.15);
}

.post-card-thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: linear-gradient(135deg, #1E293B, #2D1B6E);
    position: relative;
}
.post-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.post-card:hover .post-card-thumb img { transform: scale(1.04); }

.post-card-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(139,92,246,0.15));
}
.thumb-placeholder-icon { font-size: 2.5rem; opacity: 0.4; }

.post-card-body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--space-3);
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.post-card-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.post-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}
.post-card:hover .post-card-title { color: var(--color-accent-hover); }

.post-card-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
    flex: 1;
}

.post-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border-soft);
    margin-top: auto;
}
.post-card-author {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8rem;
    color: var(--color-text-dim);
}
.author-avatar {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), #8B5CF6);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.65rem; font-weight: 700; color: white; flex-shrink: 0;
}
.post-card-stats {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.78rem;
    color: var(--color-text-dim);
}
.stat-item { display: flex; align-items: center; gap: 4px; }
.stat-icon { width: 13px; height: 13px; }

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-10);
}
.page-btn {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}
.page-btn:hover { border-color: var(--color-accent); color: var(--color-accent-hover); }
.page-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-6);
}
.empty-icon { font-size: 4rem; opacity: 0.3; margin-bottom: var(--space-4); }
.empty-title { font-size: 1.25rem; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.empty-desc { color: var(--color-text-dim); font-size: 0.9rem; }

/* ── POST DETAIL PAGE ───────────────────────────── */
.post-hero {
    position: relative;
    height: 420px;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1040, #0F172A);
}
.post-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.55;
}
.post-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,23,42,1) 0%, rgba(15,23,42,0.4) 60%, transparent 100%);
}
.post-hero-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.1));
}
.post-hero-content {
    position: absolute;
    bottom: var(--space-10);
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: var(--container-max);
    padding: 0 var(--space-6);
}

.post-detail-wrap { max-width: 860px; margin: 0 auto; padding: var(--space-10) var(--space-6); }

.post-detail-header { margin-bottom: var(--space-8); }
.post-detail-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-5);
}
.post-detail-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--color-text-dim);
}
.meta-author {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
}
.meta-author .author-avatar { width: 30px; height: 30px; font-size: 0.7rem; }
.meta-dot { color: var(--color-text-dim); }

/* Post actions bar */
.post-actions-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    border-top: 1px solid var(--color-border-soft);
    border-bottom: 1px solid var(--color-border-soft);
    margin-bottom: var(--space-8);
}
.post-actions-left, .post-actions-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Post body content */
.post-body {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text);
}
.post-body h1, .post-body h2, .post-body h3, .post-body h4 {
    margin: var(--space-8) 0 var(--space-4);
    color: var(--color-white);
}
.post-body h2 { font-size: 1.6rem; }
.post-body h3 { font-size: 1.3rem; }
.post-body p { margin-bottom: var(--space-5); }
.post-body a { color: var(--color-accent-hover); text-decoration: underline; }
.post-body ul, .post-body ol { margin: var(--space-4) 0 var(--space-5) var(--space-6); }
.post-body li { margin-bottom: var(--space-2); }
.post-body blockquote {
    border-left: 4px solid var(--color-accent);
    padding: var(--space-4) var(--space-6);
    background: rgba(99,102,241,0.08);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--space-6) 0;
    color: var(--color-text-muted);
    font-style: italic;
}
.post-body pre {
    background: #0d1117;
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    overflow-x: auto;
    margin: var(--space-5) 0;
}
.post-body code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875em;
    background: rgba(99,102,241,0.1);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
    color: var(--color-accent-hover);
}
.post-body pre code { background: transparent; color: #e2e8f0; padding: 0; }
.post-body img {
    border-radius: var(--radius-lg);
    margin: var(--space-6) auto;
    box-shadow: var(--shadow-lg);
}
.post-body hr {
    border: none;
    border-top: 1px solid var(--color-border-soft);
    margin: var(--space-8) 0;
}

/* Modify history */
.modify-history {
    margin: var(--space-8) 0;
    padding: var(--space-5);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
}
.modify-history-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-3);
}
.modify-history-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.825rem;
    color: var(--color-text-muted);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-soft);
}
.modify-history-item:last-child { border-bottom: none; }

/* ── REACTION BAR ───────────────────────────────── */
.reaction-bar {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}
.reaction-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.4rem 1rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    font-family: var(--font-body);
}
.reaction-btn:hover { border-color: var(--color-accent); color: var(--color-text); transform: translateY(-1px); }
.reaction-btn.reacted {
    background: var(--color-accent-glow);
    border-color: var(--color-accent);
    color: var(--color-accent-hover);
}
.reaction-count { font-weight: 700; font-size: 0.825rem; }
.reaction-emoji { font-size: 1.1rem; line-height: 1; }

/* ── HELPFUL VOTE ───────────────────────────────── */
.helpful-card {
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.08));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-8);
    margin: var(--space-8) 0;
    text-align: center;
}
.helpful-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-2);
}
.helpful-subtitle {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--space-5);
}
.helpful-actions { display: flex; gap: var(--space-3); justify-content: center; }

/* ── BOOKMARK BUTTON ────────────────────────────── */
.bookmark-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 1.1rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-body);
}
.bookmark-btn:hover { border-color: var(--color-warning); color: var(--color-warning); }
.bookmark-btn.bookmarked { background: rgba(245,158,11,0.15); border-color: var(--color-warning); color: var(--color-warning); }

/* ── COMMENT SECTION ────────────────────────────── */
.comment-section { margin-top: var(--space-12); }
.comment-section-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}
.comment-count-badge {
    background: var(--color-accent-glow);
    color: var(--color-accent-hover);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-full);
    padding: 0.15rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.comment-form {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
}
.comment-form-title { font-size: 0.95rem; font-weight: 600; margin-bottom: var(--space-4); color: var(--color-text-muted); }

.comment-list { display: flex; flex-direction: column; gap: var(--space-5); }
.comment-item {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: border-color var(--transition-fast);
}
.comment-item:hover { border-color: var(--color-border); }

.comment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
    gap: var(--space-3);
    flex-wrap: wrap;
}
.comment-author-info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.comment-author-name { font-weight: 600; font-size: 0.9rem; color: var(--color-text); }
.comment-date { font-size: 0.775rem; color: var(--color-text-dim); }
.comment-text { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.7; margin-bottom: var(--space-3); }

.login-prompt {
    background: var(--color-bg-elevated);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    margin-bottom: var(--space-8);
}
.login-prompt p { color: var(--color-text-muted); margin-bottom: var(--space-4); }

/* ── WRITER PAGES ───────────────────────────────── */
.writer-header {
    padding: var(--space-10) 0 var(--space-6);
    border-bottom: 1px solid var(--color-border-soft);
    margin-bottom: var(--space-8);
}
.writer-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.writer-page-title {
    font-size: 1.75rem;
    font-weight: 800;
}

.stats-strip {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
}
.stat-card {
    flex: 1;
    min-width: 150px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    text-align: center;
}
.stat-card-value { font-size: 2rem; font-weight: 800; color: var(--color-white); }
.stat-card-label { font-size: 0.78rem; color: var(--color-text-dim); text-transform: uppercase; letter-spacing: 0.06em; margin-top: var(--space-1); }

/* Posts table */
.posts-table-wrap {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.posts-table { width: 100%; border-collapse: collapse; }
.posts-table th {
    padding: var(--space-4) var(--space-5);
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-dim);
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--color-border-soft);
}
.posts-table td {
    padding: var(--space-4) var(--space-5);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border-soft);
    vertical-align: middle;
}
.posts-table tr:last-child td { border-bottom: none; }
.posts-table tr:hover td { background: rgba(255,255,255,0.02); }
.table-title {
    font-weight: 600;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-width: 320px;
}

/* ── POST EDITOR ────────────────────────────────── */
.editor-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-6);
    align-items: start;
    padding: var(--space-8) 0 var(--space-16);
}
@media (max-width: 900px) {
    .editor-layout { grid-template-columns: 1fr; }
}

.editor-main { display: flex; flex-direction: column; gap: var(--space-5); }
.editor-sidebar { display: flex; flex-direction: column; gap: var(--space-5); }

.editor-panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}
.editor-panel-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-dim);
    margin-bottom: var(--space-4);
}

/* Tiptap toolbar */
.tiptap-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    padding: var(--space-3);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.toolbar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: var(--font-body);
    transition: all var(--transition-fast);
}
.toolbar-btn:hover { background: rgba(255,255,255,0.08); color: var(--color-text); }
.toolbar-btn.is-active { background: var(--color-accent-glow); color: var(--color-accent-hover); }
.toolbar-sep { width: 1px; height: 24px; background: var(--color-border-soft); margin: 0 var(--space-1); align-self: center; }

.tiptap-editor {
    min-height: 420px;
    padding: var(--space-5);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.8;
    outline: none;
}
.tiptap-editor:focus { border-color: var(--color-accent); }
.tiptap-editor p { margin-bottom: var(--space-3); }
.tiptap-editor h1, .tiptap-editor h2, .tiptap-editor h3 { color: var(--color-white); margin: var(--space-5) 0 var(--space-3); }
.tiptap-editor ul, .tiptap-editor ol { margin-left: var(--space-5); }
.tiptap-editor blockquote {
    border-left: 4px solid var(--color-accent);
    padding-left: var(--space-4);
    color: var(--color-text-muted);
    font-style: italic;
}
.tiptap-editor code {
    background: rgba(99,102,241,0.1);
    border-radius: var(--radius-sm);
    padding: 0.15em 0.4em;
    font-size: 0.875em;
    color: var(--color-accent-hover);
}
.tiptap-editor pre {
    background: #0d1117;
    border-radius: var(--radius-md);
    padding: var(--space-4);
    overflow-x: auto;
}
.tiptap-editor pre code { background: transparent; color: #e2e8f0; }

/* Tags multi-select */
.tag-multiselect { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.tag-checkbox { display: none; }
.tag-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.3rem 0.8rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.tag-checkbox:checked + .tag-checkbox-label {
    background: var(--color-accent-glow);
    border-color: var(--color-accent);
    color: var(--color-accent-hover);
}
.tag-checkbox-label:hover { border-color: var(--color-accent); color: var(--color-text); }

/* Thumbnail preview */
.thumb-preview {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--color-bg-elevated);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
    position: relative;
}
.thumb-preview:hover { border-color: var(--color-accent); }
.thumb-preview img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.thumb-preview-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-dim);
    font-size: 0.85rem;
    text-align: center;
    z-index: 1;
}
.thumb-preview-text.has-image { display: none; }

/* Editor bottom bar */
.editor-bottom-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border-soft);
    margin-top: var(--space-4);
}

/* ── LOGIN / AUTH ───────────────────────────────── */
.auth-page {
    min-height: calc(100vh - var(--navbar-height));
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(99,102,241,0.15) 0%, transparent 70%);
    padding: var(--space-8) var(--space-4);
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(99,102,241,0.12);
}
.auth-logo {
    text-align: center;
    margin-bottom: var(--space-8);
}
.auth-title { font-size: 1.5rem; text-align: center; margin-bottom: var(--space-2); }
.auth-subtitle { text-align: center; color: var(--color-text-muted); font-size: 0.875rem; margin-bottom: var(--space-8); }
.auth-form { display: flex; flex-direction: column; gap: var(--space-5); }
.auth-alert {
    padding: var(--space-3) var(--space-4);
    background: rgba(239,68,68,0.12);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius-md);
    color: var(--color-danger);
    font-size: 0.875rem;
}

/* ── PROFILE PAGE ───────────────────────────────── */
.profile-page { padding: var(--space-10) 0 var(--space-16); }
.profile-header {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-8);
}
.profile-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), #8B5CF6);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; font-weight: 700; color: white;
    flex-shrink: 0;
    box-shadow: 0 0 30px var(--color-accent-glow);
}
.profile-info-name { font-size: 1.5rem; font-weight: 800; margin-bottom: var(--space-2); }

.bookmarks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-5);
}

/* ── ALERT / FLASH ──────────────────────────────── */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}
.alert-success { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.3); color: var(--color-success); }
.alert-error   { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: var(--color-danger); }

/* ── UTILITY ────────────────────────────────────── */
.text-muted { color: var(--color-text-muted); }
.text-dim { color: var(--color-text-dim); }
.text-accent { color: var(--color-accent-hover); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.gap-2 { gap: var(--space-2); }
.d-flex { display: flex; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }