/* ============================================
   eKYC-Onboarder API Documentation
   Aesthetic: Dark technical + Clean hierarchy
   ============================================ */

:root {
    /* Colors */
    --color-bg: #0a0e17;
    --color-bg-elevated: #111827;
    --color-bg-card: #1a2234;
    --color-bg-code: #0d1117;
    --color-surface: rgba(255, 255, 255, 0.03);

    --color-text: #f0f4f8;
    --color-text-muted: #8492a6;
    --color-text-subtle: #5a6c7d;

    --color-accent: #00e5c7;
    --color-accent-glow: rgba(0, 229, 199, 0.4);
    --color-accent-subtle: rgba(0, 229, 199, 0.1);

    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.15);

    /* Method colors */
    --color-get: #10b981;
    --color-post: #3b82f6;
    --color-put: #f59e0b;
    --color-delete: #ef4444;

    /* Typography */
    --font-display: 'Clash Display', sans-serif;
    --font-body: 'Satoshi', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;

    /* Sidebar */
    --sidebar-width: 280px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--color-text);
}

.logo-mark {
    width: 36px;
    height: 36px;
    color: var(--color-accent);
}

.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-cta {
    color: var(--color-bg) !important;
    background: var(--color-accent);
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-cta:hover {
    background: #00ffdd;
}

/* Layout */
.docs-layout {
    display: flex;
    min-height: 100vh;
    padding-top: 65px;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 65px;
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - 65px);
    background: var(--color-bg-elevated);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    padding: var(--space-md);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--color-border-strong);
    border-radius: 3px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.sidebar-header h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
}

.version-badge {
    padding: 0.2rem 0.5rem;
    background: var(--color-accent-subtle);
    border: 1px solid rgba(0, 229, 199, 0.2);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-accent);
}

.sidebar-search {
    position: relative;
    margin-bottom: var(--space-md);
}

.sidebar-search input {
    width: 100%;
    padding: 0.6rem 0.8rem 0.6rem 2.2rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: border-color 0.2s ease;
}

.sidebar-search input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.sidebar-search input::placeholder {
    color: var(--color-text-subtle);
}

.search-icon {
    position: absolute;
    left: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--color-text-subtle);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.nav-section h4 {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-subtle);
    margin-bottom: var(--space-xs);
    padding-left: var(--space-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem var(--space-xs);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-item:hover {
    color: var(--color-text);
    background: var(--color-surface);
}

.nav-item.active {
    color: var(--color-accent);
    background: var(--color-accent-subtle);
}

/* Method badges */
.method-badge {
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    flex-shrink: 0;
}

.method-badge.get {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-get);
}

.method-badge.post {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-post);
}

.method-badge.put {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-put);
}

.method-badge.delete {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-delete);
}

.method-badge.large {
    padding: 0.3rem 0.7rem;
    font-size: 0.75rem;
}

/* Main Content */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--space-xl) var(--space-xl) var(--space-xl) calc(var(--space-xl) * 1.5);
    max-width: calc(100% - var(--sidebar-width));
}

.doc-section {
    max-width: 900px;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.doc-section:last-child {
    border-bottom: none;
}

.section-header h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 700px;
    line-height: 1.8;
}

.doc-section h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.doc-section h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-text-muted);
}

.doc-section p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.doc-section code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    padding: 0.15rem 0.4rem;
    background: var(--color-bg-code);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-accent);
}

/* Info Cards */
.info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.info-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--space-md);
}

.info-icon {
    width: 40px;
    height: 40px;
    background: var(--color-accent-subtle);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.info-icon svg {
    width: 20px;
    height: 20px;
}

.info-card h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0 0 var(--space-xs) 0;
    color: var(--color-text);
}

.info-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
}

.info-card code.base-url {
    display: block;
    margin-top: var(--space-xs);
    padding: 0.5rem;
    background: var(--color-bg);
    border-radius: 6px;
    font-size: 0.8rem;
    word-break: break-all;
}

/* Quickstart Box */
.quickstart-box {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(0, 229, 199, 0.05) 100%);
    border: 1px solid rgba(0, 229, 199, 0.2);
    border-radius: 16px;
    padding: var(--space-lg);
    margin-top: var(--space-lg);
}

.quickstart-box h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin: 0 0 var(--space-xs) 0;
    color: var(--color-text);
}

.quickstart-box > p {
    margin-bottom: var(--space-md);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.step-num {
    width: 28px;
    height: 28px;
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.step-content strong {
    display: block;
    font-weight: 600;
    color: var(--color-text);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Code Examples */
.code-example {
    background: var(--color-bg-code);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    margin: var(--space-md) 0;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem var(--space-sm);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.code-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.copy-btn {
    padding: 0.3rem 0.6rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--color-bg-card);
    color: var(--color-text);
}

.code-example pre {
    margin: 0;
    padding: var(--space-md);
    overflow-x: auto;
}

.code-example code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    background: none;
    border: none;
    padding: 0;
}

/* Code Tabs */
.code-tabs {
    margin: var(--space-md) 0;
}

.tab-buttons {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.tab-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.tab-btn.active {
    background: var(--color-accent-subtle);
    border-color: rgba(0, 229, 199, 0.3);
    color: var(--color-accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Endpoint Header */
.endpoint-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.endpoint-header h2 {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 500;
    margin: 0;
    color: var(--color-text);
}

/* Parameters Table */
.params-table {
    margin: var(--space-md) 0;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

.param-row {
    display: flex;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.param-row:last-child {
    border-bottom: none;
}

.param-row:hover {
    background: var(--color-surface);
}

.param-name {
    width: 40%;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.param-name code {
    font-weight: 600;
    color: var(--color-text);
}

.param-type {
    font-size: 0.75rem;
    color: var(--color-text-subtle);
    font-family: var(--font-mono);
}

.param-required {
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
}

.param-desc {
    flex: 1;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    margin: var(--space-md) 0;
}

.docs-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

.docs-table th,
.docs-table td {
    padding: 0.8rem var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.docs-table th {
    background: var(--color-bg-elevated);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-subtle);
}

.docs-table td {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

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

.docs-table tr:hover td {
    background: var(--color-surface);
}

/* Callouts */
.callout {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: 12px;
    margin: var(--space-md) 0;
}

.callout-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.callout-icon svg {
    width: 100%;
    height: 100%;
}

.callout-content strong {
    display: block;
    margin-bottom: var(--space-xs);
}

.callout-content p {
    margin: 0;
    font-size: 0.9rem;
}

.callout-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.callout-info .callout-icon {
    color: var(--color-info);
}

.callout-info strong {
    color: var(--color-info);
}

.callout-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.callout-warning .callout-icon {
    color: var(--color-warning);
}

.callout-warning strong {
    color: var(--color-warning);
}

/* OpenAPI Links */
.openapi-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--space-lg);
}

.openapi-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.openapi-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.8rem 1.2rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.openapi-link:hover {
    background: var(--color-surface);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.openapi-link svg {
    width: 18px;
    height: 18px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }

    .content {
        margin-left: 240px;
        padding: var(--space-lg);
        max-width: calc(100% - 240px);
    }

    .info-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .content {
        margin-left: 0;
        max-width: 100%;
        padding: var(--space-md);
    }

    .nav-links {
        display: none;
    }

    .param-row {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .param-name {
        width: 100%;
    }

    .openapi-links {
        flex-direction: column;
    }

    .code-tabs .tab-buttons {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Syntax Highlighting (basic) */
.language-json .string { color: #a5d6a7; }
.language-json .number { color: #ce93d8; }
.language-json .boolean { color: #f48fb1; }
.language-json .null { color: #90a4ae; }
.language-json .key { color: #80deea; }