/* ═══ 干支历法文博内容生成器 ═══ */
:root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-hover: #1c2128;
    --border: #30363d;
    --text: #e6edf3;
    --text-dim: #8b949e;
    --accent: #d4a574;
    --accent-dim: #b08850;
    --primary: #d4a574;
    --secondary: #4a9eff;
    --error: #f85149;
    --success: #3fb950;
    --radius: 8px;
}

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

body {
    font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* ── Header ── */
header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.back-link {
    display: inline-block;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.back-link:hover { color: var(--accent); }

/* ── Control Panel ── */
.control-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-row label {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.form-row input,
.form-row select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    font-family: inherit;
}

.form-row input:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--accent);
}

.btn {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
}

.btn-primary:hover { background: var(--accent-dim); }

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--accent); }

/* ── Ganzhi Info ── */
.ganzhi-info {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.ganzhi-info h2 {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.ganzhi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.ganzhi-item {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg);
    border-radius: 4px;
    border: 1px solid var(--border);
}

.ganzhi-item .label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 0.25rem;
}

.ganzhi-item .value {
    display: block;
    font-size: 1.3rem;
    color: var(--accent);
    font-weight: bold;
}

.ganzhi-item .sub {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 0.25rem;
}

.wuxing-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.wuxing-row .label {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.tag {
    background: var(--bg);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--accent);
    border: 1px solid var(--border);
}

/* ── Loading ── */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Cards ── */
.cards-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.card-header {
    background: var(--bg-hover);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1rem;
    color: var(--accent);
}

.card-type-badge {
    font-size: 0.75rem;
    color: var(--text-dim);
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.card-body {
    padding: 1.5rem;
}

.card-section {
    margin-bottom: 1.2rem;
}

.card-section:last-child { margin-bottom: 0; }

.card-section h4 {
    font-size: 0.85rem;
    color: var(--accent-dim);
    margin-bottom: 0.4rem;
    font-weight: normal;
}

.card-section p {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.8;
}

.card-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--secondary);
    text-decoration: none;
    font-size: 0.85rem;
}

.card-link:hover { text-decoration: underline; }

/* ── Card Detail Page ── */
.card-detail {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.card-detail .card-section {
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.2rem;
}

.card-detail .card-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.card-detail .card-section h3 {
    font-size: 0.9rem;
    color: var(--accent-dim);
    margin-bottom: 0.5rem;
}

.card-meta {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
    padding: 1rem;
}

/* ── Error ── */
.error-msg {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--error);
    border-radius: var(--radius);
    padding: 1rem;
    color: var(--error);
    text-align: center;
}

/* ── Responsive ── */
@media (max-width: 600px) {
    .container { padding: 1rem 0.5rem; }
    header h1 { font-size: 1.5rem; }
    .control-panel { flex-direction: column; align-items: stretch; }
    .form-row { width: 100%; }
    .ganzhi-grid { grid-template-columns: repeat(2, 1fr); }
}