*{box-sizing:border-box}:root,[data-theme=light]{color-scheme:light;--bg-grad1: #ffffff;--bg-grad2: #e8edf7;--text: #111827;--muted: #6b7280;--card-bg: #ffffff;--card-border: #e5e7eb;--btn-bg: #3b5bdb;--btn-text: #ffffff;--btn-secondary-bg: #eef1f6;--btn-secondary-text: #1f2430;--danger: #dc2626;--danger-text: #ffffff;--input-bg: #ffffff;--input-border: #d1d5db;--table-border: #e5e7eb;--chart-grid: #e5e7eb;--axis: #6b7280;--tooltip-bg: #ffffff;--tooltip-border: #e5e7eb;--track-bg: #eef1f6;--code-bg: #f0fdf4;--code-border: #86efac;--code-text: #166534;--skeleton-from: #e3e8f2;--skeleton-to: #f4f7fc}[data-theme=dark]{color-scheme:dark;--bg-grad1: #152046;--bg-grad2: #0b1020;--text: #e6e9f2;--muted: #8b94b3;--card-bg: #121829;--card-border: #222b4a;--btn-bg: #3b5bdb;--btn-text: #ffffff;--btn-secondary-bg: #242b45;--btn-secondary-text: #e6e9f2;--danger: #b02a37;--danger-text: #ffffff;--input-bg: #1a2138;--input-border: #2b3354;--table-border: #222b4a;--chart-grid: #232c4c;--axis: #8b94b3;--tooltip-bg: #121829;--tooltip-border: #2b3354;--track-bg: #1a2138;--code-bg: #13231a;--code-border: #2c5c3a;--code-text: #9dffb0;--skeleton-from: #1e2745;--skeleton-to: #28314f}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(1200px 600px at 20% -10%,var(--bg-grad1) 0%,var(--bg-grad2) 55%) fixed;color:var(--text);min-height:100vh}a{color:#6ea8fe;text-decoration:none}button{font:inherit;cursor:pointer;border:none;border-radius:10px;padding:10px 16px;background:var(--btn-bg);color:var(--btn-text);font-weight:600}button.secondary{background:var(--btn-secondary-bg);color:var(--btn-secondary-text)}button.danger{background:var(--danger);color:var(--danger-text)}button.icon-btn{padding:8px;display:inline-flex;align-items:center;justify-content:center}button:disabled{opacity:.6;cursor:not-allowed}input,select{font:inherit;border-radius:10px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--text);padding:10px 12px;width:100%}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:20px}.muted{color:var(--muted);font-size:13px}code{background:var(--code-bg);border:1px solid var(--code-border);color:var(--code-text);padding:4px 8px;border-radius:8px}.new-key-box{background:var(--code-bg);border:1px solid var(--code-border);border-radius:10px;padding:12px}.new-key-box p{color:var(--code-text)}.new-key-box code{background:transparent;border:none;padding:0;color:var(--code-text)}.skel{background:linear-gradient(90deg,var(--skeleton-from) 25%,var(--skeleton-to) 50%,var(--skeleton-from) 75%);background-size:200% 100%;animation:skel-shimmer 1.4s ease-in-out infinite;border-radius:10px}@keyframes skel-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}