/* ============================================================
   doc.css - 文档页面样式
   Template: Modern v2.0
   ============================================================ */

/* ---------- Doc Hero ---------- */
.doc-hero {
    padding: 160px 0 80px;
    background: var(--gradient-hero);
    text-align: center;
    color: #fff;
}

.doc-hero h1 {
    font-size: 44px;
    font-weight: 900;
    margin-bottom: 12px;
}

.doc-hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
}

/* ---------- Doc Layout ---------- */
.doc-body {
    padding: 60px 0 100px;
    background: var(--color-bg-alt);
}

.doc-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    align-items: start;
}

/* ---------- Sidebar ---------- */
.doc-sidebar {
    position: sticky;
    top: 100px;
}

.doc-nav {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.doc-nav ul {
    padding: 8px 0;
}

.doc-nav a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-left: 3px solid transparent;
    transition: all var(--transition);
}

.doc-nav a:hover {
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.04);
}

.doc-nav a.active {
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.08);
    border-left-color: var(--color-primary);
    font-weight: 600;
}

/* ---------- Main Content ---------- */
.doc-main {
    min-width: 0;
}

.doc-section {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 24px;
}

.doc-section h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border-light);
}

.doc-section h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin: 28px 0 16px;
}

.doc-section h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin: 20px 0 12px;
}

.doc-section p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.doc-section a {
    color: var(--color-primary);
    font-weight: 500;
}

/* ---------- Steps ---------- */
.doc-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 24px 0;
}

.doc-step {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.step-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
}

.doc-step strong {
    display: block;
    font-size: 16px;
    color: var(--color-text);
    margin-bottom: 4px;
}

.doc-step p {
    font-size: 14px;
    margin-bottom: 0;
}

/* ---------- API Endpoint ---------- */
.api-endpoint {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
    padding: 12px 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    font-size: 15px;
}

.method {
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.method-post {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.method-get {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.api-endpoint code {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--color-text);
}

/* ---------- Code Block ---------- */
.code-block {
    margin: 16px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.code-block pre {
    margin: 0;
    padding: 20px;
    background: #1e293b;
    overflow-x: auto;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.8;
    color: #e2e8f0;
}

/* ---------- Table ---------- */
.table-wrapper {
    overflow-x: auto;
    margin: 16px 0;
}

.doc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.doc-table thead {
    background: var(--color-bg-alt);
}

.doc-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 700;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-border);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.doc-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
}

.doc-table tr:hover td {
    background: rgba(99, 102, 241, 0.02);
}

.doc-table code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--color-bg-alt);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--color-primary);
}

/* ---------- Alert ---------- */
.doc-alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin: 20px 0;
    font-size: 14px;
    line-height: 1.7;
    border-left: 4px solid;
}

.doc-alert-warning {
    background: rgba(245, 158, 11, 0.08);
    border-color: var(--color-warning);
    color: #92400e;
}

.doc-alert-info {
    background: rgba(59, 130, 246, 0.08);
    border-color: var(--color-info);
    color: #1e40af;
}

.doc-alert strong {
    display: block;
    margin-bottom: 4px;
}

/* ---------- SDK Grid ---------- */
.sdk-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.sdk-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--color-text);
    transition: all var(--transition);
}

.sdk-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.sdk-card i {
    font-size: 24px;
}

.sdk-card span {
    font-size: 14px;
    font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .doc-layout {
        grid-template-columns: 1fr;
    }

    .doc-sidebar {
        position: static;
    }

    .doc-nav {
        display: flex;
        overflow-x: auto;
    }

    .doc-nav ul {
        display: flex;
        gap: 4px;
        padding: 8px;
    }

    .doc-nav a {
        white-space: nowrap;
        border-left: none;
        border-bottom: 2px solid transparent;
        padding: 8px 16px;
    }

    .doc-nav a.active {
        border-left: none;
        border-bottom-color: var(--color-primary);
    }

    .sdk-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .doc-hero {
        padding: 120px 0 50px;
    }

    .doc-hero h1 {
        font-size: 32px;
    }

    .doc-section {
        padding: 24px;
    }

    .doc-section h2 {
        font-size: 24px;
    }

    .sdk-grid {
        grid-template-columns: 1fr;
    }
}