/* 输入框、按钮、表格样式 */
/* 按钮 */
.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.btn-primary:hover { background: #1d4ed8; }
.btn-primary:disabled { background: #94a3b8; cursor: not-allowed; }

.loader {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

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

/* 状态条 */
.status-bar {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.status-card {
    background: #fff;
    padding: 15px 25px;
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    flex: 1;
    min-width: 180px;
}
.status-card .label { display: block; font-size: 0.85rem; color: #64748b; margin-bottom: 5px; }
.status-card .value { font-size: 1.25rem; font-weight: bold; }

/* 工具类 */
.hidden { display: none !important; }
.input-hint { font-size: 0.85rem; color: #94a3b8; margin-top: 5px; }

/* SEO / Intro */
.seo-panel {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 18px 18px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

.seo-panel h2 {
    margin: 0 0 10px 0;
    font-size: 1.05rem;
    color: #0f172a;
}

.seo-panel p {
    margin: 8px 0;
    color: #334155;
    line-height: 1.55;
}

.seo-panel ul {
    margin: 10px 0 0 0;
    padding-left: 18px;
    color: #334155;
}

.seo-panel li {
    margin: 6px 0;
    line-height: 1.45;
}

/* 详情面板 */
.details-panel {
    margin-top: 20px;
}

.details-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.matrix-card,
.zp-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.matrix-card h3,
.zp-card h3 {
    margin: 0 0 10px 0;
    font-size: 1rem;
    color: #0f172a;
}

.math-display {
    overflow-x: auto;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #ffffff;
}

.zp-text p {
    margin: 8px 0;
    color: #334155;
}

@media (max-width: 900px) {
    .details-grid { grid-template-columns: 1fr; }
}