:root{--color-bg: #0f1117;--color-surface: #1a1d27;--color-surface-2: #232635;--color-border: #2e3247;--color-text: #e8eaf0;--color-text-muted: #7c8099;--color-accent: #6366f1;--color-accent-hover: #4f52d4;--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Consolas", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4{line-height:1.3;font-weight:600}a{color:var(--color-accent);text-decoration:none}button{cursor:pointer;font-family:var(--font-sans)}input,textarea{font-family:var(--font-sans)}.container{max-width:900px;margin:0 auto;padding:0 24px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);border:none;font-size:14px;font-weight:500;transition:background .15s,opacity .15s}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover)}.btn-secondary{background:var(--color-surface-2);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-border)}.btn:disabled{opacity:.5;cursor:not-allowed}.callout{background:var(--color-surface-2);border-left:3px solid var(--color-accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:14px 16px;font-size:14px;color:var(--color-text-muted);margin-top:16px}.callout strong{color:var(--color-text)}.section{margin-bottom:40px}.section-title{font-size:18px;font-weight:600;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--color-border)}.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;font-size:12px;background:var(--color-surface-2);border:1px solid var(--color-border);color:var(--color-text-muted)}.unavailable-notice{text-align:center;padding:40px 20px;color:var(--color-text-muted);font-size:14px}