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

:root {
    --blue:    #004E81;
    --blue-dk: #003a61;
    --blue-lt: #e8f2fa;
    --green:   #16a34a;
    --text:    #0f172a;
    --muted:   #64748b;
    --border:  #e2e8f0;
    --bg:      #f8fafc;
    --white:   #ffffff;
    --code-bg: #0f172a;
    --radius:  12px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main { flex: 1; }

/* Header */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: .875rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.brand {
    display: flex; align-items: center; gap: .5rem;
    text-decoration: none; color: var(--text);
    font-size: 1.05rem; font-weight: 500;
}
.brand strong { font-weight: 800; }
.site-nav { display: flex; gap: 1.5rem; }
.site-nav .nav-link {
    text-decoration: none; color: var(--muted);
    font-size: .875rem; font-weight: 500; transition: color .15s;
}
.site-nav .nav-link:hover { color: var(--blue); }

/* Container */
.container { max-width: 860px; margin: 0 auto; padding: 0 1.5rem; }

/* Docs hero */
.docs-hero {
    background: linear-gradient(135deg, #004E81 0%, #003a61 100%);
    color: white;
    padding: 3rem 0 2.5rem;
}
.docs-hero .container { max-width: 860px; margin: 0 auto; padding: 0 1.5rem; }
.docs-badge {
    display: inline-block;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.25);
    color: rgba(255,255,255,.9);
    font-size: .7rem; font-weight: 700;
    padding: .2rem .65rem; border-radius: 20px;
    letter-spacing: .08em; text-transform: uppercase;
    margin-bottom: .75rem;
}
.docs-hero h1 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 800; line-height: 1.2; margin-bottom: .6rem;
}
.docs-hero p {
    color: rgba(255,255,255,.8); font-size: .95rem;
    max-width: 560px; margin-bottom: 1.25rem;
}
.hero-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    color: rgba(255,255,255,.85);
    font-size: .72rem; font-weight: 600;
    padding: .25rem .75rem; border-radius: 20px;
}
.chip-green { background: rgba(22,163,74,.25); border-color: rgba(74,222,128,.4); color: #4ade80; }

/* Docs body */
.docs-body { padding: 2rem 0 3rem; }
.docs-card {
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    margin-bottom: 1.25rem;
}
.docs-card h2 {
    font-size: 1rem; font-weight: 700; margin-bottom: .75rem;
    color: var(--text);
}
.docs-card h3 {
    font-size: .82rem; font-weight: 700;
    color: var(--muted); text-transform: uppercase;
    letter-spacing: .06em; margin: 1.25rem 0 .5rem;
}
.docs-card p { font-size: .875rem; color: #334155; margin-bottom: .75rem; }

/* Endpoint header */
.endpoint-header {
    display: flex; align-items: center; flex-wrap: wrap; gap: .6rem;
    margin-bottom: 1rem; padding-bottom: .75rem;
    border-bottom: 1.5px solid var(--border);
}
.endpoint-path {
    font-family: 'JetBrains Mono', monospace;
    font-size: .875rem; font-weight: 600; color: var(--text);
}
.endpoint-desc { font-size: .8rem; color: var(--muted); margin-left: auto; }

/* Method badges */
.method-badge {
    font-size: .65rem; font-weight: 800;
    padding: .2rem .55rem; border-radius: 5px;
    text-transform: uppercase; letter-spacing: .05em;
    flex-shrink: 0;
}
.method-badge.post { background: #e0f2fe; color: #0369a1; }
.method-badge.get  { background: #dcfce7; color: #15803d; }
.method-badge.host { background: #f3f4f6; color: #374151; }

/* Status badges */
.status-badge {
    font-size: .65rem; font-weight: 700;
    padding: .15rem .5rem; border-radius: 5px;
}
.status-badge.ok  { background: #dcfce7; color: #15803d; }
.status-badge.err { background: #fee2e2; color: #b91c1c; }

/* Required mark */
.req { color: #dc2626; font-weight: 700; }

/* Code block */
.code-block {
    background: var(--code-bg);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin: .5rem 0;
}
.code-block pre, .code-block code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: .78rem; line-height: 1.7;
    color: #e2e8f0; white-space: pre;
}
.code-block .kw  { color: #7dd3fc; }
.code-block .str { color: #86efac; }
.code-block .num { color: #fbbf24; }
.code-block .bool{ color: #f472b6; }
.code-block .cm  { color: #64748b; font-style: italic; }
.code-block .tag { color: #7dd3fc; }
.code-block .attr{ color: #fb923c; }

/* Params table */
.params-table {
    width: 100%; border-collapse: collapse;
    font-size: .8rem; margin: .5rem 0;
}
.params-table th {
    text-align: left; padding: .5rem .75rem;
    background: #f8fafc; border-bottom: 1.5px solid var(--border);
    font-size: .72rem; font-weight: 700; color: var(--muted);
    text-transform: uppercase; letter-spacing: .05em;
}
.params-table td {
    padding: .55rem .75rem;
    border-bottom: 1px solid #f1f5f9;
    color: #334155; vertical-align: top;
}
.params-table td:first-child code {
    font-family: 'JetBrains Mono', monospace;
    font-size: .78rem; font-weight: 600;
    color: var(--blue);
}
.params-table td code {
    font-family: 'JetBrains Mono', monospace;
    font-size: .78rem;
}

/* Info box */
.info-box {
    padding: .75rem 1rem; border-radius: 8px;
    font-size: .8rem; margin-top: .75rem;
    background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af;
}
.info-box.warn {
    background: #fff7ed; border-color: #fed7aa; color: #c2410c;
}

/* Result pages */
.result-page {
    text-align: center; padding: 5rem 1rem;
}
.result-icon {
    width: 72px; height: 72px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 1.5rem;
}
.result-icon.success { background: #dcfce7; }
.result-icon.fail    { background: #fee2e2; }
.result-page h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: .5rem; }
.result-page p  { color: var(--muted); margin-bottom: 1.5rem; }
.result-page a  {
    display: inline-block; padding: .65rem 1.5rem;
    background: var(--blue); color: #fff;
    text-decoration: none; border-radius: 8px;
    font-weight: 600; font-size: .925rem;
}
.result-detail {
    margin: 1.5rem auto; max-width: 360px;
    background: var(--white); border: 1px solid var(--border);
    border-radius: 10px; padding: 1rem 1.25rem;
    text-align: left; font-size: .875rem;
}
.result-detail dt { color: var(--muted); font-size: .75rem; font-weight: 600; text-transform: uppercase; }
.result-detail dd { margin: .1rem 0 .75rem; font-weight: 600; }

/* PayTR iFrame */
.paytr-wrapper {
    max-width: 520px; margin: 2rem auto 3rem;
    background: var(--white); border: 1.5px solid var(--border);
    border-radius: var(--radius); overflow: hidden;
}
.paytr-wrapper iframe { display: block; width: 100%; height: 560px; border: none; }

/* Footer */
.site-footer {
    background: var(--white); border-top: 1px solid var(--border);
    padding: 1.25rem 0; text-align: center;
    font-size: .8rem; color: var(--muted);
}
.site-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--blue); }