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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --background: #ffffff;
    --surface: #f8fafc;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --code-bg: #1e293b;
    --code-text: #e2e8f0;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

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

/* Layout */
.docs-layout {
    display: flex;
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.sidebar {
    width: 280px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.sidebar-content {
    padding: 2rem 1.5rem;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.api-version {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.nav-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.nav-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-item {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.nav-item:hover,
.nav-item.active {
    background: var(--primary-color);
    color: white;
}

.main-content {
    flex: 1;
    overflow-x: hidden;
}

.content-container {
    max-width: 800px;
    padding: 2rem;
}

/* Documentation Sections */
.doc-section {
    margin-bottom: 4rem;
    scroll-margin-top: 100px;
}

.doc-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.doc-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.doc-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.doc-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.doc-section p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.doc-section code {
    background: var(--surface);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--primary-color);
}

/* Info Cards */
.info-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    margin: 2rem 0;
    overflow: hidden;
}

.info-header {
    background: var(--surface);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.info-header h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    text-align: center;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

/* Code Examples */
.code-example {
    margin: 1.5rem 0;
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--border);
}

.code-header {
    background: var(--surface);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.code-block {
    position: relative;
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1.5rem;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

.code-block code {
    background: none;
    color: inherit;
    padding: 0;
    border-radius: 0;
}

.copy-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

/* Alerts */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    margin: 1.5rem 0;
}

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

.alert-icon {
    font-size: 1.25rem;
    margin-top: 0.125rem;
}

.alert-content {
    flex: 1;
    color: var(--text-primary);
    line-height: 1.6;
}

.alert-content strong {
    font-weight: 600;
}

.alert-link {
    color: var(--primary-color);
    text-decoration: none;
}

.alert-link:hover {
    text-decoration: underline;
}

/* Tables */
.table-container {
    margin: 1.5rem 0;
    overflow-x: auto;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
}

.api-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.api-table th {
    background: var(--surface);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
}

.api-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.api-table code {
    background: var(--surface);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--primary-color);
}

/* Status Codes and Badges */
.status-code {
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

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

.status-code.client-error {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.status-code.server-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.plan-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.plan-badge.free {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-secondary);
}

.plan-badge.pro {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.plan-badge.enterprise {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.required {
    color: var(--error);
    font-weight: 600;
    font-size: 0.75rem;
}

.optional {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.75rem;
}

/* Endpoints */
.endpoint {
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    margin: 2rem 0;
    overflow: hidden;
}

.endpoint-header {
    background: var(--surface);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.method {
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
}

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

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

.method.put {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.method.delete {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.path {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.endpoint > p {
    padding: 1.5rem;
    margin: 0;
    color: var(--text-secondary);
}

.endpoint h4 {
    padding: 0 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.endpoint .code-example {
    margin: 1rem 1.5rem;
}

.endpoint .table-container {
    margin: 1rem 1.5rem;
}

/* SDK Grid */
.sdk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.sdk-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.sdk-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.sdk-icon {
    font-size: 2rem;
}

.sdk-header h4 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

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

.sdk-actions {
    display: flex;
    gap: 0.75rem;
}

/* Postman Card */
.postman-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1.5rem 0;
}

.postman-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.postman-icon {
    font-size: 2rem;
}

.postman-content h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.postman-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Changelog */
.changelog {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.changelog-item {
    display: flex;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.changelog-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.changelog-date {
    min-width: 150px;
}

.changelog-version {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.changelog-timestamp {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.changelog-content h4 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.changelog-content ul {
    margin: 0;
    padding-left: 1.5rem;
}

.changelog-content li {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

/* Toast */
.toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--success);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(0);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast-icon {
    font-size: 1.25rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .docs-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .sidebar-content {
        padding: 1.5rem;
    }

    .sidebar-nav {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }

    .nav-section {
        background: white;
        padding: 1rem;
        border-radius: 0.5rem;
        border: 1px solid var(--border);
    }
}

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

    .content-container {
        padding: 1rem;
    }

    .doc-section h1 {
        font-size: 2rem;
    }

    .doc-section h2 {
        font-size: 1.5rem;
    }

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

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

    .postman-card {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .changelog-item {
        flex-direction: column;
        gap: 1rem;
    }

    .endpoint-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .toast {
        top: 1rem;
        right: 1rem;
        left: 1rem;
    }
}

@media (max-width: 480px) {
    .sidebar-nav {
        grid-template-columns: 1fr;
    }

    .api-table {
        font-size: 0.75rem;
    }

    .api-table th,
    .api-table td {
        padding: 0.75rem 0.5rem;
    }
}