:root {
            --blue: #0055ff;
            --blue-hover: #003ecb;
            --blue-light: #eaf0ff;
            --black: #0c0c0d;
            --gray-800: #1f2937;
            --gray-700: #374151;
            --gray-600: #4b5563;
            --gray-500: #6b7280;
            --gray-400: #9ca3af;
            --gray-300: #d1d5db;
            --gray-200: #e5e7eb;
            --gray-100: #f3f4f6;
            --gray-50: #f9fafb;
            --white: #ffffff;
            --green: #22c55e;
            --red: #ef4444;
            --amber: #f59e0b;
            --purple: #a855f7;
            --code-bg: #0c0c0d;
            --radius: 6px;
            --font-display: 'Bricolage Grotesque', sans-serif;
            --font-body: 'DM Sans', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-body); color: var(--black); line-height: 1.6; background: var(--white); -webkit-font-smoothing: antialiased; }
        a { color: var(--blue); text-decoration: none; }
        a:hover { color: var(--blue-hover); }

        /* Nav */
        nav.topnav { position: fixed; top: 0; left: 0; right: 0; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--gray-200); z-index: 100; height: 56px; display: flex; align-items: center; }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        .logo { font-family: var(--font-display); font-size: 19px; font-weight: 800; color: var(--black); letter-spacing: -0.75px; }
        .logo span { color: var(--blue); }
        .nav-links { display: flex; align-items: center; gap: 22px; }
        .nav-links a { color: var(--gray-700); font-size: 14px; font-weight: 500; }
        .nav-links a:hover { color: var(--black); }
        .nav-cta { background: var(--blue); color: #fff !important; padding: 7px 18px; border-radius: 4px; font-weight: 600; font-size: 13px; }
        .nav-cta:hover { background: var(--blue-hover); color: #fff !important; }

        /* Layout: sidebar + content */
        .docs-layout { padding-top: 56px; max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 240px 1fr; gap: 48px; padding-left: 24px; padding-right: 24px; }
        .docs-sidebar { position: sticky; top: 72px; align-self: start; height: calc(100vh - 80px); overflow-y: auto; padding: 28px 0; border-right: 1px solid var(--gray-200); padding-right: 16px; font-size: 13px; }
        .docs-sidebar h4 { font-family: var(--font-mono); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.2px; color: var(--gray-500); margin: 20px 0 8px; }
        .docs-sidebar h4:first-child { margin-top: 0; }
        .docs-sidebar a { display: block; padding: 5px 10px; border-radius: 4px; color: var(--gray-700); font-weight: 500; transition: background 0.12s, color 0.12s; }
        .docs-sidebar a:hover { background: var(--gray-100); color: var(--black); }
        .docs-sidebar a.active { background: var(--blue-light); color: var(--blue); font-weight: 600; }
        .docs-sidebar .method-chip { font-family: var(--font-mono); font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 3px; margin-right: 6px; letter-spacing: 0.5px; vertical-align: middle; }
        .method-chip.post { background: rgba(34,197,94,0.12); color: #16a34a; }
        .method-chip.get { background: rgba(0,85,255,0.12); color: var(--blue); }
        .method-chip.delete { background: rgba(239,68,68,0.12); color: var(--red); }
        .method-chip.put { background: rgba(168,85,247,0.12); color: var(--purple); }

        .docs-main { padding: 28px 0 80px; min-width: 0; }

        /* Hero */
        .docs-hero { margin-bottom: 48px; padding-bottom: 32px; border-bottom: 1px solid var(--gray-200); }
        .docs-kicker { display: inline-block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--blue); background: var(--blue-light); padding: 4px 10px; border-radius: 20px; margin-bottom: 14px; }
        .docs-hero h1 { font-family: var(--font-display); font-size: 40px; font-weight: 800; letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 14px; color: var(--black); }
        .docs-hero p { font-size: 17px; color: var(--gray-600); max-width: 680px; line-height: 1.6; }
        .docs-hero-meta { display: flex; gap: 24px; margin-top: 20px; flex-wrap: wrap; font-size: 13px; color: var(--gray-500); font-family: var(--font-mono); }
        .docs-hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .docs-hero-meta code { background: var(--gray-100); padding: 2px 8px; border-radius: 4px; color: var(--gray-800); font-size: 12px; }
        .docs-hero-meta .dot-green { width: 7px; height: 7px; background: var(--green); border-radius: 50%; }

        h2.section-title { font-family: var(--font-display); font-size: 28px; font-weight: 800; letter-spacing: -0.8px; margin: 56px 0 12px; color: var(--black); scroll-margin-top: 72px; }
        h2.section-title:first-of-type { margin-top: 0; }
        h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin: 28px 0 10px; color: var(--black); scroll-margin-top: 72px; }
        p.lead, .docs-main p { font-size: 15px; color: var(--gray-700); line-height: 1.65; margin-bottom: 14px; }
        .docs-main ul, .docs-main ol { margin: 10px 0 14px 20px; color: var(--gray-700); font-size: 15px; }
        .docs-main li { margin-bottom: 6px; line-height: 1.6; }
        code.inline { font-family: var(--font-mono); background: var(--gray-100); padding: 1px 6px; border-radius: 3px; font-size: 90%; color: var(--gray-800); }

        /* Endpoint card */
        .endpoint { border: 1px solid var(--gray-200); border-radius: 10px; margin: 24px 0 32px; overflow: hidden; background: var(--white); }
        .endpoint-head { display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); flex-wrap: wrap; }
        .method-badge { font-family: var(--font-mono); font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 4px; letter-spacing: 1px; }
        .method-badge.post { background: rgba(34,197,94,0.14); color: #16a34a; }
        .method-badge.get { background: rgba(0,85,255,0.14); color: var(--blue); }
        .method-badge.delete { background: rgba(239,68,68,0.14); color: var(--red); }
        .method-badge.put { background: rgba(168,85,247,0.14); color: var(--purple); }
        .endpoint-path { font-family: var(--font-mono); font-size: 14px; font-weight: 500; color: var(--black); flex: 1; min-width: 200px; word-break: break-all; }
        .endpoint-summary { font-size: 13px; color: var(--gray-500); }
        .endpoint-body { padding: 20px 22px; }
        .endpoint-body .params { margin: 10px 0 18px; font-size: 14px; }
        .endpoint-body .params-row { display: grid; grid-template-columns: 180px 100px 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--gray-100); font-size: 13px; color: var(--gray-700); }
        .endpoint-body .params-row:last-child { border-bottom: none; }
        .endpoint-body .params-row .pname { font-family: var(--font-mono); color: var(--black); font-weight: 500; }
        .endpoint-body .params-row .ptype { font-family: var(--font-mono); color: var(--gray-500); font-size: 12px; }
        .endpoint-body .params-row .pdesc { color: var(--gray-600); }
        .endpoint-body .params-row .required { color: var(--red); font-size: 11px; text-transform: uppercase; font-weight: 600; margin-left: 6px; letter-spacing: 0.5px; }

        /* Code blocks with tabs */
        .code-section { margin: 14px 0; border-radius: 8px; overflow: hidden; border: 1px solid var(--gray-200); }
        .code-tabs { display: flex; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); padding: 0 6px; }
        .code-tab { padding: 9px 14px; font-size: 12px; font-weight: 600; cursor: pointer; background: transparent; color: var(--gray-500); border: none; font-family: var(--font-body); border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color 0.12s; }
        .code-tab:hover { color: var(--gray-700); }
        .code-tab.active { color: var(--black); border-bottom-color: var(--blue); }
        .code-panel { display: none; position: relative; }
        .code-panel.active { display: block; }
        .code-block { background: var(--code-bg); color: #e2e8f0; padding: 18px 20px; font-family: var(--font-mono); font-size: 13px; line-height: 1.75; overflow-x: auto; white-space: pre; margin: 0; }
        .code-block .cm { color: #6b7280; }
        .code-block .s { color: #67e8f9; }
        .code-block .k { color: #c4b5fd; }
        .code-block .n { color: #fbbf24; }
        .code-copy { position: absolute; top: 8px; right: 8px; background: #1a1a1c; color: var(--gray-400); border: 1px solid #2a2a2c; padding: 4px 10px; border-radius: 4px; font-size: 11px; font-weight: 600; cursor: pointer; font-family: var(--font-body); z-index: 1; }
        .code-copy:hover { background: #2a2a2c; color: #e2e8f0; }
        .code-copy.copied { background: #064e3b; color: #6ee7b7; border-color: #064e3b; }

        /* Response label */
        .resp-label { display: inline-block; font-family: var(--font-mono); font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 3px; margin: 18px 0 8px; letter-spacing: 0.5px; }
        .resp-label.success { background: rgba(34,197,94,0.14); color: #16a34a; }
        .resp-label.error { background: rgba(239,68,68,0.14); color: var(--red); }

        /* Callout */
        .callout { padding: 14px 18px; border-radius: 8px; margin: 18px 0; font-size: 14px; line-height: 1.6; border: 1px solid; }
        .callout.info { background: var(--blue-light); border-color: #c7d7ff; color: #1e3a8a; }
        .callout.warn { background: #fffbeb; border-color: #fde68a; color: #78350f; }
        .callout strong { font-weight: 700; }

        /* Table */
        .tbl { width: 100%; border-collapse: collapse; font-size: 14px; margin: 14px 0 20px; border: 1px solid var(--gray-200); border-radius: 8px; overflow: hidden; }
        .tbl th { background: var(--gray-50); padding: 10px 14px; text-align: left; font-weight: 600; color: var(--gray-700); font-size: 12px; letter-spacing: 0.5px; text-transform: uppercase; border-bottom: 1px solid var(--gray-200); }
        .tbl td { padding: 10px 14px; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
        .tbl tr:last-child td { border-bottom: none; }
        .tbl code { font-family: var(--font-mono); background: var(--gray-100); padding: 1px 6px; border-radius: 3px; font-size: 12px; color: var(--gray-800); }

        /* CTA */
        .docs-cta { background: var(--black); color: #fff; padding: 32px; border-radius: 10px; margin: 48px 0; text-align: center; }
        .docs-cta h3 { color: #fff; font-size: 22px; margin-bottom: 6px; }
        .docs-cta p { color: rgba(255,255,255,0.7); font-size: 15px; margin-bottom: 18px; }
        .btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--blue); color: #fff; padding: 11px 22px; border-radius: 4px; font-weight: 600; font-size: 14px; border: none; cursor: pointer; font-family: var(--font-body); }
        .btn-primary:hover { background: var(--blue-hover); color: #fff; }
        .btn-white { background: #fff; color: var(--black); }
        .btn-white:hover { background: var(--gray-100); color: var(--black); }

        /* Footer */
        footer { padding: 40px 0; background: var(--gray-50); border-top: 1px solid var(--gray-200); margin-top: 48px; }
        .footer-inner { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--gray-500); max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        .footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 20px; }
        .footer-links a { color: var(--gray-500); }
        .footer-links a:hover { color: var(--gray-700); }

        /* Signup modal */
        .modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; padding: 24px; }
        .modal-overlay.active { display: flex; }
        .modal { background: var(--white); border-radius: 8px; padding: 40px; max-width: 420px; width: 100%; position: relative; animation: fadeUp 0.2s ease-out; }
        @keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
        .modal-close { position: absolute; top: 14px; right: 18px; background: none; border: none; font-size: 22px; color: var(--gray-400); cursor: pointer; padding: 4px; line-height: 1; }
        .modal-close:hover { color: var(--black); }
        .modal h3 { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 6px; }
        .modal .modal-desc { color: var(--gray-500); font-size: 14px; margin-bottom: 24px; }
        .modal-input { width: 100%; padding: 12px 14px; border: 1px solid var(--gray-200); border-radius: 4px; font-size: 16px; font-family: var(--font-body); outline: none; }
        .modal-input:focus { border-color: var(--blue); }
        .modal-submit { width: 100%; padding: 12px; background: var(--blue); color: #fff; border: none; border-radius: 4px; font-size: 15px; font-weight: 600; font-family: var(--font-body); cursor: pointer; margin-top: 10px; }
        .modal-submit:hover { background: var(--blue-hover); }
        .modal-note { font-size: 12px; color: var(--gray-500); margin-top: 12px; text-align: center; }
        .modal-error { color: var(--red); font-size: 13px; margin-top: 8px; display: none; }
        .modal-divider { display: flex; align-items: center; gap: 14px; margin: 20px 0; color: var(--gray-400); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
        .modal-divider::before, .modal-divider::after { content: ''; flex: 1; height: 1px; background: var(--gray-200); }
        .modal-success { text-align: center; }
        .modal-success .key-box { background: var(--code-bg); border-radius: 6px; padding: 16px; margin: 16px 0; text-align: left; }
        .modal-success .key-label { color: var(--gray-500); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; font-family: var(--font-mono); }
        .modal-success .key-value { color: #67e8f9; font-family: var(--font-mono); font-size: 13px; word-break: break-all; cursor: pointer; }
        #googleBtnDocs { display: flex; justify-content: center; min-height: 44px; }

        /* Mobile */
        @media (max-width: 900px) {
            .docs-layout { grid-template-columns: 1fr; gap: 0; padding: 0 16px; }
            .docs-sidebar { position: static; height: auto; border-right: none; padding: 16px 0 8px; border-bottom: 1px solid var(--gray-200); margin-bottom: 16px; }
            .docs-sidebar h4 { margin-top: 14px; }
            .docs-hero h1 { font-size: 28px; }
            .endpoint-body .params-row { grid-template-columns: 1fr; gap: 2px; padding: 10px 0; }
            .endpoint-body .params-row .ptype { font-size: 11px; }
            .nav-links a:not(.nav-cta) { display: none; }
            .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
        }