:root {
    --dev-bg: #0b1020;
    --dev-surface: #121936;
    --dev-surface-2: #172042;
    --dev-border: rgba(255,255,255,0.08);
    --dev-text: #e8ecf8;
    --dev-muted: #a7b0cf;
    --dev-primary: #4f7cff;
    --dev-success: #19c37d;
    --dev-warning: #f5b942;
    --dev-danger: #ef4444;
    --dev-get: #16a34a;
    --dev-post: #2563eb;
    --dev-put: #d97706;
    --dev-delete: #dc2626;
    --dev-radius: 18px;
    --dev-shadow: 0 20px 40px rgba(0,0,0,0.25);
    --dev-code: #0a0f1f;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: linear-gradient(180deg, #09101f 0%, #0e1530 100%);
    color: var(--dev-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.dev-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.dev-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    background: rgba(8, 13, 28, 0.92);
    border-right: 1px solid var(--dev-border);
    padding: 24px;
    backdrop-filter: blur(12px);
}

.dev-main {
    min-width: 0;
}

.dev-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 28px;
    background: rgba(10, 15, 31, 0.78);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--dev-border);
}

.dev-content {
    padding: 28px;
    max-width: 1200px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.brand-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--dev-primary), #7c4dff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    box-shadow: var(--dev-shadow);
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 13px;
    color: var(--dev-muted);
    margin-top: 2px;
}

.nav-section-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--dev-muted);
    margin: 20px 0 10px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 12px;
    color: #dbe3ff;
    margin-bottom: 6px;
    transition: .2s ease;
    border: 1px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(79,124,255,0.12);
    border-color: rgba(79,124,255,0.25);
}

.page-hero {
    background: linear-gradient(135deg, rgba(79,124,255,0.16), rgba(124,77,255,0.12));
    border: 1px solid var(--dev-border);
    border-radius: 24px;
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--dev-shadow);
}

.page-kicker {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #b8c4ef;
    margin-bottom: 10px;
}

.page-title {
    font-size: 34px;
    line-height: 1.1;
    margin: 0 0 12px;
}

.page-description {
    color: var(--dev-muted);
    font-size: 16px;
    line-height: 1.65;
    max-width: 900px;
}

.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
    background: rgba(18,25,54,0.92);
    border: 1px solid var(--dev-border);
    border-radius: var(--dev-radius);
    padding: 22px;
    box-shadow: var(--dev-shadow);
}

.card h2,
.card h3 {
    margin-top: 0;
}

.muted {
    color: var(--dev-muted);
}

.endpoint {
    margin-bottom: 22px;
    padding: 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--dev-border);
    border-radius: 16px;
}

.endpoint-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.method {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 64px;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 12px;
    color: white;
}

.method.get { background: var(--dev-get); }
.method.post { background: var(--dev-post); }
.method.put { background: var(--dev-put); }
.method.delete { background: var(--dev-delete); }

.path {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 15px;
    word-break: break-all;
    color: #f2f5ff;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--dev-border);
    color: #d7def6;
    font-size: 12px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 14px;
}

th, td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid var(--dev-border);
    vertical-align: top;
}

th {
    color: #f3f6ff;
    font-size: 14px;
}

td {
    color: var(--dev-muted);
    font-size: 14px;
}

pre {
    background: var(--dev-code);
    color: #dde6ff;
    padding: 18px;
    border-radius: 14px;
    overflow-x: auto;
    border: 1px solid var(--dev-border);
    line-height: 1.5;
    font-size: 13px;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.callout {
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid var(--dev-border);
    background: rgba(255,255,255,0.04);
    margin: 14px 0;
}

.callout.success { border-color: rgba(25,195,125,.35); background: rgba(25,195,125,.10); }
.callout.warning { border-color: rgba(245,185,66,.35); background: rgba(245,185,66,.10); }
.callout.danger  { border-color: rgba(239,68,68,.35); background: rgba(239,68,68,.10); }

.list-clean {
    margin: 0;
    padding-left: 18px;
    color: var(--dev-muted);
}

.topbar-title {
    font-weight: 700;
    font-size: 16px;
}

.topbar-subtitle {
    color: var(--dev-muted);
    font-size: 13px;
    margin-top: 4px;
}

.topbar-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--dev-border);
    background: rgba(255,255,255,0.04);
    color: #eef2ff;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, var(--dev-primary), #6d5efc);
    border-color: transparent;
}

.section-title {
    margin: 0 0 14px;
    font-size: 22px;
}

.section-spacing {
    margin-top: 24px;
}

@media (max-width: 1024px) {
    .dev-layout {
        grid-template-columns: 1fr;
    }

    .dev-sidebar {
        position: relative;
        height: auto;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 28px;
    }
}