:root {
    --bg: #0b0e14;
    --bg-alt: #11151f;
    --bg-card: #151a26;
    --bg-input: #0e1320;
    --border: #232a3b;
    --text: #e2e8f0;
    --text-muted: #8b95a9;
    --accent: #7c5cff;
    --accent-2: #22d3ee;
    --danger: #f87171;
    --success: #34d399;
    --radius: 12px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout ---------- */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 230px;
    background: var(--bg-alt);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
}

.sidebar-brand {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--text);
    padding: 0 8px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.sidebar-brand::before {
    content: '';
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 3px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    margin-right: 8px;
}

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }

.sidebar-nav a {
    color: var(--text-muted);
    padding: 10px 12px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background 0.15s, color 0.15s;
}

.sidebar-nav a:hover {
    background: var(--bg-card);
    color: var(--text);
    text-decoration: none;
}

.sidebar-nav a.active {
    background: rgba(124, 92, 255, 0.14);
    color: var(--accent-2);
}

.sidebar-footer {
    margin-top: auto;
    padding: 16px 8px 0;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.sidebar-footer p { margin-bottom: 10px; }

.main {
    margin-left: 230px;
    padding: 40px;
    max-width: 980px;
}

.main-wide { max-width: 1300px; }

.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.main-header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* ---------- Stats ---------- */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label { color: var(--text-muted); font-size: 0.85rem; }

/* ---------- Table ---------- */
.table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.table { width: 100%; border-collapse: collapse; }

.table th {
    text-align: left;
    padding: 14px 18px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
}

.table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }

.table tr:hover td { background: var(--bg-hover, #1b2130); }

.post-title { color: var(--text); font-weight: 600; }
.post-title:hover { color: var(--accent-2); text-decoration: none; }

.post-slug {
    display: block;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.mono { font-family: var(--mono); font-size: 0.82rem; color: var(--text-muted); }

.actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.inline-form { display: inline; }

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-green { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.badge-gray  { background: rgba(139, 149, 169, 0.15); color: var(--text-muted); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.btn:hover {
    border-color: var(--accent);
    color: var(--text);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #6d3ef0);
    border: none;
    color: #fff;
}

.btn-primary:hover { filter: brightness(1.15); }

.btn-danger {
    background: rgba(248, 113, 113, 0.12);
    border-color: rgba(248, 113, 113, 0.4);
    color: var(--danger);
}

.btn-danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 0.95rem; }
.btn-block { width: 100%; }

/* ---------- Forms ---------- */
label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin: 20px 0 8px;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: border-color 0.15s;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.15);
}

.input-xl { font-size: 1.15rem !important; font-weight: 600; }

.hint { color: var(--text-muted); font-weight: 400; font-size: 0.8rem; }

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 520px;
}

.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text);
    margin: 0;
    cursor: pointer;
}

.checkbox input { width: 17px; height: 17px; accent-color: var(--accent); }

/* ---------- Editor ---------- */
.editor-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

textarea {
    width: 100%;
    padding: 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--mono);
    font-size: 0.88rem;
    line-height: 1.7;
    resize: vertical;
    min-height: 420px;
}

.preview-pane {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 420px;
}

.preview-title {
    padding: 10px 16px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
}

.preview-body {
    padding: 16px;
    font-size: 0.92rem;
    line-height: 1.7;
    overflow-y: auto;
    max-height: 640px;
}

.preview-body h1, .preview-body h2, .preview-body h3 { margin: 16px 0 8px; }
.preview-body p { margin-bottom: 12px; }
.preview-body code {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 1px 5px;
    font-family: var(--mono);
    font-size: 0.82em;
}
.preview-body pre { background: #0d1117; padding: 12px; border-radius: 8px; overflow-x: auto; margin: 12px 0; }
.preview-body pre code { background: none; border: none; padding: 0; }
.preview-body blockquote {
    border-left: 3px solid var(--accent);
    padding: 8px 14px;
    background: var(--bg-alt);
    border-radius: 0 8px 8px 0;
    margin: 12px 0;
    color: var(--text-muted);
}
.preview-body img { max-width: 100%; border-radius: 8px; }

/* ---------- Alerts ---------- */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-success { background: rgba(52, 211, 153, 0.12); border: 1px solid rgba(52, 211, 153, 0.35); color: var(--success); }
.alert-error   { background: rgba(248, 113, 113, 0.12); border: 1px solid rgba(248, 113, 113, 0.35); color: var(--danger); }

/* ---------- Empty state ---------- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
}

.empty-state a { font-weight: 600; }

/* ---------- Login ---------- */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse 50% 40% at 50% -10%, rgba(124, 92, 255, 0.16), transparent),
        var(--bg);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 40px;
}

.login-logo {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    margin-bottom: 20px;
}

.login-card h1 {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.login-sub {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 24px;
}

.login-back {
    margin-top: 20px;
    text-align: center;
    font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .sidebar { display: none; }
    .main { margin-left: 0; padding: 24px; }
    .editor-wrap { grid-template-columns: 1fr; }
}