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

:root {
    --bg: #0f1117;
    --surface: #1a1d2e;
    --surface2: #252840;
    --border: #2e3155;
    --primary: #5c6bc0;
    --primary-hover: #7986cb;
    --danger: #e53935;
    --danger-hover: #ef5350;
    --warning: #f57c00;
    --warning-hover: #fb8c00;
    --success-bg: #1b3a2d;
    --success-border: #2e7d52;
    --error-bg: #3a1b1b;
    --error-border: #7d2e2e;
    --text: #e0e0e0;
    --text-muted: #9e9e9e;
    --code-bg: #0d1117;
    --radius: 8px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    font-size: 15px;
    line-height: 1.6;
}

a { color: var(--primary-hover); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre {
    font-family: var(--font-mono);
    background: var(--code-bg);
    border-radius: 4px;
}
code { padding: 2px 6px; font-size: 0.9em; }
pre {
    padding: 12px 16px;
    overflow-x: auto;
    border: 1px solid var(--border);
    font-size: 0.85em;
    white-space: pre;
}

/* Navbar */
.navbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-brand {
    font-weight: 700;
    font-size: 1.1em;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 0.05em;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
}
.nav-links a { color: var(--text-muted); font-size: 0.9em; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Container */
.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface2);
    color: var(--text);
    font-size: 0.9em;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
}
.btn:hover { background: var(--border); text-decoration: none; }
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); border-color: var(--danger-hover); }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #fff; }
.btn-warning:hover { background: var(--warning-hover); border-color: var(--warning-hover); }
.btn-sm { padding: 5px 12px; font-size: 0.85em; }
.btn-full { width: 100%; justify-content: center; }
.btn-link {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9em;
    cursor: pointer;
    padding: 0;
}
.btn-link:hover { color: var(--text); }

/* Auth layout */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
}
.auth-card h1 {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--primary-hover);
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}
.auth-card h2 {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text);
}
.auth-link {
    margin-top: 20px;
    text-align: center;
    font-size: 0.9em;
    color: var(--text-muted);
}

/* Forms */
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9em;
    font-weight: 500;
    color: var(--text-muted);
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95em;
    transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}
.form-group small { display: block; margin-top: 5px; color: var(--text-muted); font-size: 0.82em; }
.form-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 560px;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.9em;
    border: 1px solid;
}
.alert-error { background: var(--error-bg); border-color: var(--error-border); color: #f48fb1; }
.alert-success { background: var(--success-bg); border-color: var(--success-border); color: #a5d6a7; }
.alert-warning { background: #2e2100; border-color: #7d5a00; color: #ffcc80; }

/* Page header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
}
.page-header h1 { font-size: 1.5em; font-weight: 600; }

/* Dashboard app list */
.app-list { display: flex; flex-direction: column; gap: 12px; }
.app-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.app-card h3 { font-size: 1em; margin-bottom: 4px; }
.app-card h3 a { color: var(--text); }
.app-card h3 a:hover { color: var(--primary-hover); }
.app-id, .app-redirect { font-size: 0.82em; color: var(--text-muted); margin-top: 2px; }
.app-card-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-muted);
}
.empty-state p { margin-bottom: 20px; font-size: 1em; }

/* App detail */
.detail-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 20px;
    overflow: hidden;
}
.detail-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
}
.detail-row:last-child { border-bottom: none; }
.detail-label {
    font-size: 0.85em;
    color: var(--text-muted);
    width: 130px;
    flex-shrink: 0;
    font-weight: 500;
}
.detail-value { font-size: 0.9em; word-break: break-all; }

.action-row { display: flex; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }

/* Secret display */
.secret-display {
    background: var(--code-bg);
    border: 1px solid var(--success-border);
    border-radius: 4px;
    padding: 10px 12px;
    margin: 8px 0;
    word-break: break-all;
}
.secret-display code { background: none; padding: 0; font-size: 1em; color: #a5d6a7; }

/* Code example */
.code-example {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.code-example h3 { font-size: 1em; margin-bottom: 12px; color: var(--text-muted); font-weight: 500; }
.code-example p { font-size: 0.85em; color: var(--text-muted); margin: 12px 0 6px; }
.code-example pre { margin-bottom: 0; }

/* Authorize steps */
.authorize-app { margin-bottom: 24px; color: var(--text-muted); }
.authorize-app strong { color: var(--text); }
.steps { margin-bottom: 24px; display: flex; flex-direction: column; gap: 14px; }
.step {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
}
.step-number {
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9em;
    flex-shrink: 0;
}
.step-content strong { display: block; margin-bottom: 4px; }
.step-content p { font-size: 0.88em; color: var(--text-muted); margin: 0; }

/* Docs page */
.docs-layout { display: flex; gap: 2rem; max-width: 1100px; margin: 2rem auto; padding: 0 1rem; }
.docs-sidebar { width: 220px; flex-shrink: 0; }
.docs-sidebar nav { position: sticky; top: 1rem; }
.docs-sidebar a { display: block; padding: 0.3rem 0.75rem; color: var(--text-muted); border-left: 2px solid var(--border); font-size: 0.9em; margin-bottom: 0.15rem; }
.docs-sidebar a:hover { color: var(--text); border-color: var(--primary); text-decoration: none; }
.docs-sidebar .section-header { font-size: 0.75em; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); padding: 0.75rem 0.75rem 0.25rem; }
.docs-content { flex: 1; min-width: 0; }
.docs-content h2 { font-size: 1.5rem; margin: 2.5rem 0 0.75rem; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--text); }
.docs-content h2:first-child { border-top: none; margin-top: 0; }
.docs-content h3 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; color: var(--primary-hover); }
.docs-content p { margin-bottom: 0.9rem; color: var(--text); line-height: 1.7; }
.docs-content ul, .docs-content ol { margin: 0.5rem 0 0.9rem 1.5rem; }
.docs-content li { margin-bottom: 0.35rem; line-height: 1.6; }
.docs-content section { margin-bottom: 1rem; }
.param-table { width: 100%; border-collapse: collapse; margin: 0.75rem 0 1.25rem; font-size: 0.9em; }
.param-table th { text-align: left; padding: 0.5rem 0.75rem; background: var(--surface2); color: var(--text-muted); font-weight: 600; font-size: 0.8em; text-transform: uppercase; letter-spacing: 0.05em; }
.param-table td { padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.param-table td:first-child { font-family: var(--font-mono); color: var(--primary-hover); white-space: nowrap; }
.param-table .required { font-size: 0.75em; color: #f48fb1; font-weight: 600; }
.param-table .optional { font-size: 0.75em; color: var(--text-muted); }
.flow-steps { margin: 1rem 0; }
.flow-step { display: flex; gap: 1rem; margin-bottom: 1rem; align-items: flex-start; }
.flow-step-num { background: var(--primary); color: white; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.85em; font-weight: 700; flex-shrink: 0; margin-top: 2px; }
.flow-step-body { flex: 1; }
.flow-step-body strong { display: block; margin-bottom: 0.25rem; }
.callout { border-left: 3px solid var(--primary); background: var(--surface); padding: 0.75rem 1rem; margin: 1rem 0; border-radius: 0 var(--radius) var(--radius) 0; }
.callout.warning { border-color: var(--warning); }
.callout.danger { border-color: var(--danger); }
.callout p { margin: 0; font-size: 0.95em; }
.endpoint-block { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; margin: 0.75rem 0 1.25rem; }
.endpoint-block .method { font-family: var(--font-mono); font-size: 0.85em; font-weight: 700; color: #a5d6a7; margin-bottom: 0.5rem; }
.endpoint-block .path { font-family: var(--font-mono); font-size: 1em; color: var(--text); }
@media (max-width: 700px) { .docs-layout { flex-direction: column; } .docs-sidebar { width: 100%; } .docs-sidebar nav { position: static; } }

/* Verify code input */
.code-input {
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 1.4em;
    text-align: center;
}

/* Checkbox label */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    color: var(--text-muted);
    cursor: pointer;
}
.checkbox-label input[type="checkbox"] { width: auto; cursor: pointer; }

/* Server copy box */
.server-copy {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 10px;
}
.server-address {
    flex: 1;
    background: none;
    padding: 0;
    font-size: 0.95em;
    color: var(--text);
}
.copy-btn {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 0.8em;
    padding: 3px 10px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}
.copy-btn:hover { background: var(--border); color: var(--text); }
.copy-btn-success { color: #a5d6a7; border-color: var(--success-border); }

/* ── Home page ────────────────────────────────────────────────────── */
.hero {
    border-bottom: 1px solid var(--border);
    padding: 80px 24px 72px;
    text-align: center;
}
.hero-inner {
    max-width: 640px;
    margin: 0 auto;
}
.hero-badge {
    display: inline-block;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 0.8em;
    color: var(--primary-hover);
    letter-spacing: 0.04em;
    font-weight: 600;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
}
.hero-title {
    font-size: 2.6em;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}
.hero-sub {
    font-size: 1.1em;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
}
.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-docs-btn {
    background: transparent;
    border-color: var(--border);
    color: var(--text-muted);
}
.hero-docs-btn:hover { color: var(--text); background: var(--surface); }

.home-section { padding: 64px 24px; }
.home-section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.home-inner { max-width: 960px; margin: 0 auto; }

.section-title {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.how-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 2rem;
}
.how-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.how-num {
    background: var(--primary);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9em;
    margin-bottom: 14px;
}
.how-card h3 {
    font-size: 1em;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}
.how-card p {
    font-size: 0.88em;
    color: var(--text-muted);
    line-height: 1.65;
    margin: 0;
}

.home-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.home-split-text p { color: var(--text-muted); line-height: 1.7; margin: 0; }
.home-split-text .btn { margin-top: 1rem; }
.home-split-code { display: flex; flex-direction: column; gap: 12px; }
.home-code-block { background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.home-code-label { font-size: 0.75em; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); padding: 8px 14px; border-bottom: 1px solid var(--border); background: var(--surface2); }
.home-code-block pre { border: none; border-radius: 0; font-size: 0.82em; margin: 0; color: #a5d6a7; }

.home-cta {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}
.home-cta h2 { font-size: 1.5em; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.home-cta p { color: var(--text-muted); margin-bottom: 1.5rem; }

.home-footer {
    border-top: 1px solid var(--border);
    padding: 24px;
}
.home-footer .home-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.home-footer-links { display: flex; gap: 20px; }
.home-footer-links a { font-size: 0.88em; color: var(--text-muted); }
.home-footer-links a:hover { color: var(--text); text-decoration: none; }

@media (max-width: 760px) {
    .hero-title { font-size: 1.8em; }
    .how-grid { grid-template-columns: 1fr; }
    .home-split { grid-template-columns: 1fr; gap: 32px; }
    .home-footer .home-inner { flex-direction: column; gap: 16px; }
}