/* =========================================================
   LinkHive — Modern Themeable Stylesheet
   Themes driven by CSS custom properties on <body data-theme="">
   ========================================================= */

/* ---------- THEMES ---------- */

/* Light (default) */
body[data-theme="light"], :root {
    --bg:            #f5f7fb;
    --bg-gradient:   radial-gradient(circle at 20% 0%, #eef2ff 0%, transparent 50%),
                     radial-gradient(circle at 80% 100%, #fef3c7 0%, transparent 50%);
    --surface:       #ffffff;
    --surface-2:     #f7fafc;
    --border:        #e5e9f0;
    --text:          #1a2332;
    --text-muted:    #5b6b83;
    --text-faint:    #94a3b8;
    --primary:       #4c51bf;
    --primary-hover: #434190;
    --primary-soft:  #eef0ff;
    --accent:        #f6ad55;
    --accent-soft:   #fff7ed;
    --success:       #38a169;
    --success-soft:  #f0fff4;
    --danger:        #e53e3e;
    --danger-soft:   #fff5f5;
    --shadow-sm:     0 1px 2px rgba(16,24,40,0.05);
    --shadow:        0 4px 12px rgba(16,24,40,0.06);
    --shadow-lg:     0 12px 32px rgba(16,24,40,0.12);
    --radius:        14px;
    --radius-sm:     10px;
    --radius-xs:     6px;
}

/* Dark */
body[data-theme="dark"] {
    --bg:            #0b1220;
    --bg-gradient:   radial-gradient(circle at 20% 0%, #1e293b 0%, transparent 50%),
                     radial-gradient(circle at 80% 100%, #1e1b4b 0%, transparent 50%);
    --surface:       #131c2e;
    --surface-2:     #1c2740;
    --border:        #2a3a55;
    --text:          #e6edf7;
    --text-muted:    #a3b1c6;
    --text-faint:    #64748b;
    --primary:       #8b93ff;
    --primary-hover: #6f78ff;
    --primary-soft:  #1e2a4a;
    --accent:        #fbbf24;
    --accent-soft:   #2a2417;
    --success:       #34d399;
    --success-soft:  #0f2a22;
    --danger:        #f87171;
    --danger-soft:   #2a1717;
    --shadow-sm:     0 1px 2px rgba(0,0,0,0.4);
    --shadow:        0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg:     0 12px 32px rgba(0,0,0,0.55);
}

/* Ocean */
body[data-theme="ocean"] {
    --bg:            #eef8fb;
    --bg-gradient:   radial-gradient(circle at 20% 0%, #cffafe 0%, transparent 50%),
                     radial-gradient(circle at 80% 100%, #cffafe 0%, transparent 50%);
    --surface:       #ffffff;
    --surface-2:     #f0fafd;
    --border:        #c9e5f0;
    --text:          #083344;
    --text-muted:    #3d7089;
    --text-faint:    #7ba7bd;
    --primary:       #0891b2;
    --primary-hover: #0e7490;
    --primary-soft:  #e0f7fb;
    --accent:        #06b6d4;
    --accent-soft:   #ecfeff;
    --success:       #0d9488;
    --success-soft:  #ccfbf1;
    --danger:        #e11d48;
    --danger-soft:   #ffe4e6;
    --shadow-sm:     0 1px 2px rgba(8,145,178,0.08);
    --shadow:        0 4px 12px rgba(8,145,178,0.1);
    --shadow-lg:     0 12px 32px rgba(8,145,178,0.18);
}

/* Sunset */
body[data-theme="sunset"] {
    --bg:            #fff8f1;
    --bg-gradient:   radial-gradient(circle at 20% 0%, #ffe4cc 0%, transparent 50%),
                     radial-gradient(circle at 80% 100%, #fde68a 0%, transparent 50%);
    --surface:       #ffffff;
    --surface-2:     #fffaf3;
    --border:        #fbe0c4;
    --text:          #5c1a05;
    --text-muted:    #a1450d;
    --text-faint:    #d97706;
    --primary:       #ea580c;
    --primary-hover: #c2410c;
    --primary-soft:  #ffedd5;
    --accent:        #f59e0b;
    --accent-soft:   #fef3c7;
    --success:       #16a34a;
    --success-soft:  #dcfce7;
    --danger:        #dc2626;
    --danger-soft:   #fee2e2;
    --shadow-sm:     0 1px 2px rgba(234,88,12,0.08);
    --shadow:        0 4px 12px rgba(234,88,12,0.1);
    --shadow-lg:     0 12px 32px rgba(234,88,12,0.18);
}

/* Forest */
body[data-theme="forest"] {
    --bg:            #f1f9f2;
    --bg-gradient:   radial-gradient(circle at 20% 0%, #d1fae5 0%, transparent 50%),
                     radial-gradient(circle at 80% 100%, #d9f99d 0%, transparent 50%);
    --surface:       #ffffff;
    --surface-2:     #f4fbf5;
    --border:        #cbe6cf;
    --text:          #0f3d22;
    --text-muted:    #356548;
    --text-faint:    #6f9b7c;
    --primary:       #15803d;
    --primary-hover: #166534;
    --primary-soft:  #dcfce7;
    --accent:        #84cc16;
    --accent-soft:   #ecfccb;
    --success:       #16a34a;
    --success-soft:  #dcfce7;
    --danger:        #dc2626;
    --danger-soft:   #fee2e2;
    --shadow-sm:     0 1px 2px rgba(21,128,61,0.08);
    --shadow:        0 4px 12px rgba(21,128,61,0.1);
    --shadow-lg:     0 12px 32px rgba(21,128,61,0.18);
}

/* Mono */
body[data-theme="mono"] {
    --bg:            #fafafa;
    --bg-gradient:   radial-gradient(circle at 20% 0%, #e5e5e5 0%, transparent 50%),
                     radial-gradient(circle at 80% 100%, #e5e5e5 0%, transparent 50%);
    --surface:       #ffffff;
    --surface-2:     #f5f5f5;
    --border:        #e0e0e0;
    --text:          #0a0a0a;
    --text-muted:    #525252;
    --text-faint:    #a3a3a3;
    --primary:       #171717;
    --primary-hover: #000000;
    --primary-soft:  #f0f0f0;
    --accent:        #737373;
    --accent-soft:   #f5f5f5;
    --success:       #404040;
    --success-soft:  #f5f5f5;
    --danger:        #dc2626;
    --danger-soft:   #fef2f2;
    --shadow-sm:     0 1px 2px rgba(0,0,0,0.06);
    --shadow:        0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg:     0 12px 32px rgba(0,0,0,0.15);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    background-image: var(--bg-gradient);
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--text);
    line-height: 1.65;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

::selection { background: var(--primary); color: #fff; }

/* Nice scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); background-clip: content-box; }

/* ---------- HEADER ---------- */
.site-header {
    background: color-mix(in srgb, var(--surface) 85%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border);
    transition: background 0.3s ease;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    flex-wrap: wrap;
    gap: 16px;
}
.logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.6px;
    transition: transform 0.2s;
}
.logo:hover { transform: scale(1.02); }
.logo i {
    color: var(--accent);
    background: linear-gradient(135deg, var(--accent), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 24px;
}
.main-nav {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
}
.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 9px 15px;
    border-radius: var(--radius-xs);
    font-weight: 500;
    transition: all 0.2s;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    position: relative;
}
.main-nav a:hover {
    background: var(--primary-soft);
    color: var(--primary);
}
.btn-signup {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover)) !important;
    color: #fff !important;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 30%, transparent);
}
.btn-signup:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 40%, transparent);
}
.btn-logout { color: var(--danger) !important; }
.btn-logout:hover { background: var(--danger-soft) !important; color: var(--danger) !important; }

/* ---------- THEME SWITCHER (header) ---------- */
.theme-switcher { position: relative; margin-left: 4px; }
.theme-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 40px; height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s;
}
.theme-btn:hover {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: var(--primary);
    transform: rotate(20deg) scale(1.05);
}
.theme-menu {
    position: absolute;
    right: 0;
    top: 50px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    display: none;
    min-width: 220px;
    z-index: 100;
    animation: menuPop 0.15s ease;
}
@keyframes menuPop {
    from { opacity: 0; transform: translateY(-6px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.theme-menu.open { display: block; }
.theme-menu-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 14px;
    color: var(--text);
    text-decoration: none;
    transition: background 0.15s;
    font-weight: 500;
}
.theme-menu-item:hover { background: var(--surface-2); transform: translateX(2px); }
.theme-menu-item.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 600;
}
.theme-swatch {
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 2px solid var(--border);
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

/* ---------- MAIN ---------- */
.main-content { padding: 40px 24px 80px; }

/* ---------- FLASH ---------- */
.flash {
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-weight: 500;
    border-left: 4px solid;
    animation: slideDown 0.35s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.flash-success {
    background: var(--success-soft);
    color: var(--success);
    border-color: var(--success);
}
.flash-error {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: var(--danger);
}
.flash-info {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: var(--primary);
}

/* ---------- FEED ---------- */
.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}
.feed-header h1 {
    font-size: 28px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    letter-spacing: -0.5px;
}
.tabs {
    display: flex;
    gap: 6px;
    background: var(--surface);
    padding: 5px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.tabs a {
    padding: 8px 18px;
    border-radius: var(--radius-xs);
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 13px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.tabs a:hover { color: var(--primary); background: var(--surface-2); }
.tabs a.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 30%, transparent);
}

/* ---------- CATEGORY CHIPS ---------- */
.chip-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}
.chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}
.chip.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 30%, transparent);
}

/* ---------- POSTS TABLE ---------- */
.posts-table {
    width: 100%;
    background: var(--surface);
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.posts-table th, .posts-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text);
}
.posts-table th {
    background: var(--surface-2);
    font-weight: 700;
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.posts-table tr:last-child td { border-bottom: none; }
.posts-table tbody tr {
    transition: background 0.15s, transform 0.15s;
}
.posts-table tbody tr:hover {
    background: var(--surface-2);
}
.posts-table a.title-link {
    color: var(--text);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.posts-table a.title-link:hover { color: var(--primary); }
.posts-table a.title-link::after {
    content: '→';
    opacity: 0;
    transform: translateX(-4px);
    transition: all 0.2s;
    font-weight: 400;
}
.posts-table a.title-link:hover::after {
    opacity: 1;
    transform: translateX(0);
}

.author-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.author-link:hover { color: var(--primary-hover); text-decoration: underline; }

/* ---------- BADGES ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: var(--surface-2);
    color: var(--text-muted);
    border: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.4;
}
.badge.video    { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }
.badge.document { background: #fef3c7; color: #b45309; border-color: #fde68a; }
.badge.article  { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }
.badge.image    { background: #dbeafe; color: #1d4ed8; border-color: #bfdbfe; }
.badge.announce { background: var(--accent); color: #fff; border-color: var(--accent); }
.badge.private  { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }
.badge.public   { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }

/* ---------- FORMS ---------- */
.form-card {
    background: var(--surface);
    padding: 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 660px;
    margin: 0 auto;
    border: 1px solid var(--border);
    transition: background 0.3s ease;
}
.form-card h1 {
    margin-bottom: 28px;
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    letter-spacing: -0.4px;
}
.form-card h1 i {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.form-group { margin-bottom: 22px; }
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.7px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--surface);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
    transform: translateY(-1px);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-hint {
    font-size: 12px;
    color: var(--text-faint);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    font-family: inherit;
    letter-spacing: 0.2px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--primary) 30%, transparent);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 40%, transparent);
    color: #fff;
}
.btn-secondary {
    background: var(--surface-2);
    color: var(--text-muted);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: var(--surface);
    color: var(--text);
    border-color: var(--primary);
    transform: translateY(-2px);
}
.btn-danger {
    background: linear-gradient(135deg, var(--danger), #c53030);
    color: #fff;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--danger) 30%, transparent);
}
.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px color-mix(in srgb, var(--danger) 40%, transparent);
    color: #fff;
}
.btn-success {
    background: linear-gradient(135deg, var(--success), #2f855a);
    color: #fff;
}
.btn-success:hover { transform: translateY(-2px); color: #fff; }
.btn-sm { padding: 8px 14px; font-size: 12px; }

/* ---------- AUTH PAGES ---------- */
.auth-wrap { max-width: 460px; margin: 50px auto; }
.auth-wrap h1 { text-align: center; margin-bottom: 8px; font-weight: 800; letter-spacing: -0.5px; }
.auth-wrap p.subtitle { text-align: center; color: var(--text-muted); margin-bottom: 32px; font-size: 15px; }
.auth-footer { text-align: center; margin-top: 24px; color: var(--text-muted); font-size: 14px; }
.auth-footer a { color: var(--primary); font-weight: 700; }
.auth-footer a:hover { text-decoration: underline; }

/* ---------- CONTENT VIEW ---------- */
.content-view {
    background: var(--surface);
    padding: 42px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.content-view h1 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.25;
    color: var(--text);
    letter-spacing: -0.6px;
}
.content-meta {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 26px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}
.content-meta span { display: inline-flex; align-items: center; gap: 7px; }
.content-embed { margin: 28px 0; }
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
}
.video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
.document-container iframe { border-radius: var(--radius-sm); border: 1px solid var(--border); }
.image-container img { max-width: 100%; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); }

/* ---------- AUTHOR CARD ---------- */
.author-card {
    display: flex;
    gap: 20px;
    align-items: center;
    background: linear-gradient(135deg, var(--surface-2), var(--surface));
    padding: 24px;
    border-radius: var(--radius);
    margin-top: 36px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}
.author-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.author-avatar {
    width: 68px; height: 68px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px; font-weight: 800;
    flex-shrink: 0;
    overflow: hidden;
    border: 3px solid var(--surface);
    box-shadow: var(--shadow);
}
.author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-info h3 { margin-bottom: 3px; font-size: 18px; font-weight: 700; color: var(--text); }
.author-info p { color: var(--text-muted); font-size: 14px; margin-bottom: 8px; }
.author-info .btn { margin-top: 6px; }

/* ---------- PROFILE ---------- */
.profile-header {
    background: var(--surface);
    padding: 42px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}
.profile-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 90px;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--primary) 15%, transparent),
        color-mix(in srgb, var(--accent) 15%, transparent));
    z-index: 0;
}
.profile-header > * { position: relative; z-index: 1; }
.profile-avatar {
    width: 120px; height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 48px; font-weight: 800;
    overflow: hidden; flex-shrink: 0;
    border: 5px solid var(--surface);
    box-shadow: var(--shadow-lg);
}
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-info h1 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 6px;
    color: var(--text);
    letter-spacing: -0.6px;
}
.profile-info .username {
    color: var(--text-muted);
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 500;
}
.profile-info .bio { color: var(--text); max-width: 620px; margin-top: 10px; line-height: 1.7; }

/* ---------- CARD GRID ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 22px;
}
.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.25s, box-shadow 0.25s;
    display: flex; flex-direction: column;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}
.card:hover::before { transform: scaleX(1); }
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}
.card h3 { font-size: 17px; margin: 12px 0; line-height: 1.4; font-weight: 700; }
.card h3 a { color: var(--text); text-decoration: none; }
.card h3 a:hover { color: var(--primary); }
.card p.desc { color: var(--text-muted); font-size: 13px; margin-bottom: 14px; flex-grow: 1; line-height: 1.6; }
.card .meta {
    font-size: 12px;
    color: var(--text-faint);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

/* ---------- EMPTY ---------- */
.empty-state { text-align: center; padding: 80px 20px; color: var(--text-faint); }
.empty-state i {
    font-size: 60px;
    margin-bottom: 20px;
    display: block;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.4;
}
.empty-state h2 { color: var(--text); margin-bottom: 10px; font-weight: 700; }
.empty-state p { margin-bottom: 8px; }

/* ---------- ANNOUNCEMENTS ---------- */
.announcement {
    background: linear-gradient(135deg, var(--accent-soft), var(--surface));
    border-left: 4px solid var(--accent);
    padding: 18px 22px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow-sm);
}
.announcement:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow);
}
.announcement a {
    color: var(--text);
    font-weight: 700;
    text-decoration: none;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.announcement a:hover { color: var(--primary); }
.announcement p { color: var(--text-muted); font-size: 13px; margin-top: 6px; }

/* ---------- THEME PICKER (profile) ---------- */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
    margin-top: 12px;
}
.theme-option {
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    cursor: pointer;
    text-align: center;
    transition: all 0.22s;
    background: var(--surface);
    user-select: none;
    outline: none;
    position: relative;
}
.theme-option:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}
.theme-option:focus-visible {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}
.theme-option.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}
.theme-option.selected::after {
    content: '✓';
    position: absolute;
    top: 6px; right: 8px;
    width: 22px; height: 22px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}
.theme-option .preview {
    width: 100%;
    height: 52px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.theme-option .preview .dot { flex: 1; height: 100%; }
.theme-option .name {
    font-size: 12px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

/* ---------- STAT BOXES ---------- */
.stat-box {
    background: var(--surface);
    padding: 22px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}
.stat-box:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.stat-box .num {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}
.stat-box .lbl {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-top: 4px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 700px) {
    .posts-table th:nth-child(2),
    .posts-table td:nth-child(2) { display: none; }
    .profile-header { flex-direction: column; text-align: center; padding: 30px 22px; }
    .feed-header { flex-direction: column; align-items: flex-start; }
    .content-view { padding: 26px; }
    .content-view h1 { font-size: 24px; }
    .form-card { padding: 26px; }
    .theme-grid { grid-template-columns: repeat(auto-fill, minmax(115px, 1fr)); }
    .main-content { padding: 28px 16px 60px; }
    .header-inner { padding: 12px 16px; }
}