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

:root {
    --primary-color: #0066CC;
    --primary-light: #E8F4FD;
    --primary-dark: #004999;
    --bg-color: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --hover-color: #F1F5F9;
    --text-color: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --border-color: #E2E8F0;
    --code-bg: #0F172A;
    --code-header: #1E293B;
    --code-text: #E2E8F0;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --sidebar-bg: #F8FAFC;
}

body {
    font-family: 'Golos Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    background: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    display: flex;
    align-items: center;
    padding: 0 24px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 24px;
    height: 24px;
}

.header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 16px;
}

.version-badge {
    background: var(--hover-color);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 500;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    margin: 5px 0;
    transition: 0.3s;
}

/* Layout */
.container {
    display: flex;
    margin-top: 64px;
    min-height: calc(100vh - 64px);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    padding: 24px 0;
    transition: transform 0.3s ease;
}

.sidebar-nav {
    list-style: none;
}

.nav-section {
    margin-bottom: 8px;
}

.nav-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    padding: 12px 20px 8px;
}

.nav-section>ul {
    list-style: none;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
    margin: 0;
}

.nav-link:hover {
    background: var(--hover-color);
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
    background: var(--primary-light);
    border-left-color: var(--primary-color);
    font-weight: 600;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 48px 64px;
    max-width: 1200px;
}

.content-section {
    margin-bottom: 64px;
}

h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-color);
    line-height: 1.2;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 48px 0 20px 0;
    color: var(--text-color);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 32px 0 16px 0;
    color: var(--text-color);
}

h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 24px 0 12px 0;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

p {
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--text-color);
    line-height: 1.7;
}

.subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

/* Code Blocks */
.code-block {
    background: #0F172A;
    background: var(--code-bg);
    border-radius: 12px;
    margin: 16px 0;
    overflow: visible;
    position: relative;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    visibility: visible;
    min-height: 50px;
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: var(--code-header);
    border-bottom: 1px solid #334155;
}

.code-block-lang {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.copy-button {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid #475569;
    color: #94A3B8;
    font-size: 12px;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.copy-button:hover {
    background: #334155;
    border-color: #64748B;
    color: #fff;
}

.copy-button.copied {
    color: var(--success-color);
    border-color: var(--success-color);
}

.copy-button img {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    filter: invert(1);
}

.copy-button:hover img {
    opacity: 1;
}

.code-block pre {
    margin: 0;
    padding: 20px;
    overflow-x: auto;
    white-space: pre;
    white-space: pre-wrap;
    word-wrap: break-word;
    -webkit-overflow-scrolling: touch;
    background: #0F172A;
    background: var(--code-bg);
    border-radius: 0 0 12px 12px;
}

.code-block code {
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 13px;
    line-height: 1.7;
    color: #E2E8F0;
    color: var(--code-text);
    display: block;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Syntax Highlighting - VS Code Dark+ Theme */
.code-block code span {
    display: inline;
    visibility: visible;
}

.code-block .token-keyword {
    color: #C586C0;
}

.code-block .token-string {
    color: #CE9178;
}

.code-block .token-number {
    color: #B5CEA8;
}

.code-block .token-comment {
    color: #6A9955;
    font-style: italic;
}

.code-block .token-function {
    color: #DCDCAA;
}

.code-block .token-property {
    color: #9CDCFE;
}

.code-block .token-variable {
    color: #9CDCFE;
}

.code-block .token-operator {
    color: #D4D4D4;
}

.code-block .token-punctuation {
    color: #D4D4D4;
}

.code-block .token-boolean {
    color: #569CD6;
}

.code-block .token-null {
    color: #569CD6;
}

.code-block .token-class {
    color: #4EC9B0;
}

.code-block .token-method {
    color: #DCDCAA;
}

.code-block .token-parameter {
    color: #9CDCFE;
}

.code-block .token-decorator {
    color: #DCDCAA;
}

.code-block .token-url {
    color: #CE9178;
    text-decoration: underline;
}

.code-block .token-header {
    color: #9CDCFE;
}

.code-block .token-flag {
    color: #CE9178;
}

.code-block .token-command {
    color: #DCDCAA;
}

.inline-code {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding: 2px 8px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', monospace;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Semantic Inline Code Variants */
.inline-code-status {
    background: #FEF3C7;
    color: #B45309;
    border-color: #FCD34D;
}

.inline-code-header {
    background: #F3E8FF;
    color: #7C3AED;
    border-color: #C4B5FD;
}

.inline-code-param {
    background: #CCFBF1;
    color: #0D9488;
    border-color: #5EEAD4;
}

.inline-code-field {
    background: #DCFCE7;
    color: #15803D;
    border-color: #86EFAC;
}

.inline-code-event {
    background: #E0E7FF;
    color: #4338CA;
    border-color: #A5B4FC;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin: 24px 0;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-color);
}

thead {
    background: var(--bg-secondary);
}

th {
    text-align: left;
    padding: 14px 16px;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

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

tbody tr:hover {
    background: var(--hover-color);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin: 24px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    line-height: 1.6;
}

.alert-warning {
    background: #FFFBEB;
    border: 1px solid #FCD34D;
    color: #92400E;
}

.alert-info {
    background: var(--primary-light);
    border: 1px solid #93C5FD;
    color: #1E40AF;
}

.alert-danger {
    background: #FEF2F2;
    border: 1px solid #FCA5A5;
    color: #991B1B;
}

.alert-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.alert-warning .alert-icon {
    background: #FCD34D;
    color: #92400E;
}

.alert-info .alert-icon {
    background: #93C5FD;
    color: #1E40AF;
}

/* Flow Diagram */
.flow-diagram {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 32px 0;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.flow-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: var(--bg-color);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    min-width: 160px;
    text-align: center;
    transition: all 0.2s ease;
}

.flow-step:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

.flow-step-number {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

.flow-step-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-step-icon img {
    width: 24px;
    height: 24px;
}

.flow-step-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-color);
}

.flow-step-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.flow-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.flow-arrow-down {
    padding: 8px 0;
}

.flow-arrow svg,
.flow-arrow img {
    width: 24px;
    height: 24px;
}

/* Diagram (text-based fallback) */
.diagram {
    background: var(--code-bg);
    border-radius: 12px;
    padding: 24px;
    margin: 24px 0;
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', monospace;
    font-size: 12px;
    overflow-x: auto;
    white-space: pre;
    line-height: 1.5;
    color: var(--code-text);
}

/* Lists */
ol,
ul {
    margin: 16px 0;
    padding-left: 24px;
}

li {
    margin: 8px 0;
    font-size: 15px;
    line-height: 1.7;
}

/* Endpoint Badge */
.endpoint-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 12px;
    margin-right: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-post {
    background: #DBEAFE;
    color: #1D4ED8;
}

.badge-get {
    background: #D1FAE5;
    color: #047857;
}

/* Base URL Box */
.base-url {
    background: var(--bg-secondary);
    padding: 16px 20px;
    border-radius: 12px;
    margin: 24px 0;
    font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', monospace;
    font-size: 14px;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.base-url strong {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .main-content {
        padding: 32px 32px;
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 24px;
    }

    .flow-row {
        flex-direction: column;
        gap: 16px;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .version-badge {
        display: none;
    }

    .sidebar {
        transform: translateX(-100%);
        z-index: 99;
        background: var(--sidebar-bg);
        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 24px 20px;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 22px;
    }

    h3 {
        font-size: 18px;
    }

    .code-block pre {
        padding: 12px;
    }

    .code-block code {
        font-size: 12px;
    }

    .table-container {
        font-size: 13px;
    }

    th,
    td {
        padding: 10px 12px;
    }

    .flow-diagram {
        padding: 20px;
    }

    .flow-step {
        min-width: 140px;
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0 16px;
    }

    .main-content {
        padding: 20px 16px;
    }

    h1 {
        font-size: 26px;
    }

    h2 {
        font-size: 20px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Overlay for mobile menu */
.overlay {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 98;
}

.overlay.active {
    display: block;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94A3B8;
}

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

.sidebar::-webkit-scrollbar-thumb {
    background: #E2E8F0;
}

/* Code block scrollbar */
.code-block pre::-webkit-scrollbar {
    height: 6px;
}

.code-block pre::-webkit-scrollbar-thumb {
    background: #475569;
    border-radius: 3px;
}

.code-block pre::-webkit-scrollbar-track {
    background: #1E293B;
}

/* Support Section */
.support-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.support-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s ease;
}

.support-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
}

.support-card-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.support-card-icon svg,
.support-card-icon img {
    width: 20px;
    height: 20px;
}

.support-card-title {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px 0;
}

.support-card-link {
    color: var(--text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.support-card-link:hover {
    color: var(--primary-color);
}

.support-note {
    background: #FFFBEB;
    border: 1px solid #FCD34D;
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.support-note-icon {
    flex-shrink: 0;
}

.support-note-icon svg {
    width: 20px;
    height: 20px;
    color: #D97706;
}

.support-note-content strong {
    color: #92400E;
    font-size: 14px;
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.support-note-content p {
    color: #92400E;
    font-size: 14px;
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .support-cards {
        grid-template-columns: 1fr;
    }
}