:root{color-scheme:light;--teal: #0f766e;--teal-dark: #0b5a54;--teal-050: #ecfdf9;--on-teal: #ffffff;--ink: #0f172a;--muted: #64748b;--line: #e2e8f0;--bg: #f1f5f9;--card: #ffffff;--danger: #dc2626;--danger-050: #fef2f2;--nav-bg: rgba(255, 255, 255, .9);--input-bg: #ffffff;--radius: 12px;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .05);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}:root[data-theme=dark]{color-scheme:dark;--teal: #2dd4bf;--teal-dark: #14b8a6;--teal-050: rgba(45, 212, 191, .14);--on-teal: #042b26;--ink: #e5edf5;--muted: #93a4bb;--line: #2b3a52;--bg: #0b1120;--card: #141d30;--danger: #f87171;--danger-050: rgba(248, 113, 113, .14);--nav-bg: rgba(11, 17, 32, .85);--input-bg: #0f1728;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .4)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--teal: #2dd4bf;--teal-dark: #14b8a6;--teal-050: rgba(45, 212, 191, 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.unit{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.85rem;pointer-events:none}.error-text{color:var(--danger);font-size:.82rem;margin-top:6px}button{font:inherit;cursor:pointer;border:none;border-radius:10px;padding:12px 16px;font-weight:600;transition:background .15s,opacity .15s,transform .05s}button:active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--teal);color:var(--on-teal);width:100%}.btn-primary:hover:not(:disabled){background:var(--teal-dark)}.btn-ghost{background:transparent;color:var(--teal);padding:8px 10px}.btn-danger{background:var(--danger-050);color:var(--danger);padding:8px 12px}.btn-sm{padding:8px 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