:root {
    --bg-color: #0d0d0d;
    --sidebar-bg: #111111;
    --text-main: #a1a1aa;
    --text-strong: #ededed;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border-color: #27272a;
    --code-bg: #18181b;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

html[lang="en"] .lang-id { display: none !important; }
html[lang="id"] .lang-en { display: none !important; }

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    display: flex;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar h2 {
    color: var(--text-strong);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.lang-switcher {
    display: flex;
    gap: 8px;
}

.lang-switcher button {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.lang-switcher button.active {
    background: var(--text-strong);
    color: var(--bg-color);
    border-color: var(--text-strong);
}

.nav-links {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-group {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #52525b;
    margin-top: 16px;
    margin-bottom: 4px;
    font-weight: 600;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-strong);
}

/* Content Area */
.content {
    margin-left: 260px;
    width: calc(100% - 260px);
    max-width: 1200px;
    padding: 64px 48px;
}

.hero {
    margin-bottom: 64px;
    max-width: 600px;
}

h1 {
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--text-strong);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-strong);
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 48px 0;
}

.section {
    margin-bottom: 48px;
}

/* Split Layout (Text Left, Code Right) */
@media (min-width: 1024px) {
    .split-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: flex-start;
    }
}

.text-block {
    max-width: 500px;
}

.steps li {
    margin-bottom: 8px;
    margin-left: 20px;
}
.steps strong {
    color: var(--text-strong);
}

.endpoint-badge {
    display: inline-flex;
    align-items: center;
    background: #18181b;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 12px;
    margin-top: 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.endpoint-badge .method {
    font-weight: 600;
    margin-right: 12px;
}
.method.post { color: #10b981; }
.method.get { color: #3b82f6; }
.endpoint-badge .url {
    color: var(--text-main);
}

.endpoint-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #18181b;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-main);
    max-width: 600px;
}

/* Code Blocks */
.code-block-wrapper {
    margin-top: 24px;
}
@media (min-width: 1024px) {
    .code-block-wrapper { margin-top: 0; }
}

.code-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #71717a;
    margin-bottom: 8px;
    font-weight: 600;
}

.code-container {
    position: relative;
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 24px;
    overflow: hidden;
}

.code-container pre {
    margin: 0;
    padding: 16px;
    overflow-x: auto;
}

.code-container code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    color: #e4e4e7;
}

/* Copy Button */
.copy-btn, .copy-url-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: transparent;
    color: #71717a;
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.7rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-sans);
}

.endpoint-block { position: relative; }

.copy-btn:hover, .copy-url-btn:hover {
    color: var(--text-strong);
    background-color: #27272a;
    border-color: var(--border-color);
}

.copy-btn.copied, .copy-url-btn.copied {
    color: #10b981;
}

/* Errors */
.error-list {
    list-style: none;
    margin-top: 16px;
}
.error-list li {
    margin-bottom: 12px;
}
.err-code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #f43f5e;
    background: #18181b;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid #27272a;
    margin-right: 8px;
}

footer {
    margin-top: 64px;
    font-size: 0.85rem;
    color: #52525b;
}

/* Trial */
.trial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 24px;
    max-width: 640px;
}

.trial-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.trial-card-body h3 {
    color: var(--text-strong);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.trial-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #71717a;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    margin-bottom: 12px;
}

.trial-card p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.trial-btn {
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.trial-btn:hover {
    background: var(--accent-hover);
}

.trial-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.trial-status {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--text-main);
    min-height: 1.2em;
}

.trial-status.error {
    color: #f43f5e;
}

.trial-status.success {
    color: #10b981;
}

/* Responsive */
@media (max-width: 768px) {
    body { flex-direction: column; }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .content {
        margin-left: 0;
        width: 100%;
        padding: 32px 24px;
    }
}