:root {
    --primary: #6C5CE7;
    --secondary: #A29BFE;
    --accent: #FD79A8;
    --background: #0F1419;
    --surface: #1A202C;
    --surface-light: #2D3748;
    --text: #E2E8F0;
    --text-secondary: #A0AEC0;
    --text-muted: #718096;
    --border: #2D3748;
    --warning-bg: #2D1B00;
    --warning-border: #F6AD55;
    --tip-bg: #1A2C1E;
    --tip-border: #68D391;
    --info-bg: #1A2C3C;
    --info-border: #63B3ED;
    --danger-bg: #2C1A1A;
    --danger-border: #FC8181;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--background) 0%, #1a1f2e 100%);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: rgba(26, 32, 44, 0.98);
    border-right: 1px solid var(--border);
    padding: 1.5rem 0;
    height: 100vh;
    overflow-y: auto;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding: 0 1.5rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
    color: white;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.search-box {
    padding: 0 1.5rem;
    margin-bottom: 2rem;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.875rem;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.sidebar-section {
    margin-bottom: 2rem;
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    padding: 0 1.5rem;
}

.sidebar-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border-left-color: var(--text-secondary);
}

.sidebar-item.active {
    background: linear-gradient(90deg, rgba(108, 92, 231, 0.1), transparent);
    color: var(--text);
    border-left-color: var(--primary);
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 3rem 4rem;
    max-width: 900px;
    min-height: 100vh;
}

.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.mobile-menu-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

.content-area {
    display: none;
}

.content-area.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.header {
    margin-bottom: 3rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--text);
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.content-section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 2rem 0 1rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
    color: var(--text);
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.5rem;
}

.alert {
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.alert-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
}

.tip {
    background: var(--tip-bg);
    border-color: var(--tip-border);
}

.info {
    background: var(--info-bg);
    border-color: var(--info-border);
}

.danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--surface);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

th {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

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

code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    color: var(--text);
}

pre {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid var(--border);
}

pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    color: var(--text);
}

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

a:hover {
    text-decoration: underline;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 92, 231, 0.3);
    text-decoration: none;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border-color: var(--primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-size: 1.125rem;
}

.footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
}

.method-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.5rem;
}

.method-get { background: #10B981; color: white; }
.method-post { background: #F59E0B; color: white; }
.method-put { background: #3B82F6; color: white; }
.method-delete { background: #EF4444; color: white; }

.param-table {
    margin: 1.5rem 0;
}

.param-table th {
    background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 300px;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 2rem;
        width: 100%;
    }

    .mobile-menu-btn {
        display: block;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

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

    .sidebar {
        width: 280px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 1rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    .header {
        margin-bottom: 2rem;
    }
}