:root{--fc-bg:#f6f8fb;--fc-card:#fff;--fc-accent:#2563eb;--fc-accent-2:#06b6d4;--fc-text:#0b1220;--fc-muted:#667085;--fc-border:#e6eef6;--fc-success:#16a34a;--fc-danger:#ef4444;--fc-radius:12px;--fc-gap:14px;--fc-shadow:0 6px 18px rgba(16,24,40,.06);--fc-input-bg:#fbfdff;--fc-input-border:#e6eef6}html[data-fc-theme=dark]{--fc-bg:#071027;--fc-card:#071127;--fc-accent:#60a5fa;--fc-accent-2:#06b6d4;--fc-text:#e6eef8;--fc-muted:#93a4b5;--fc-border:rgba(255,255,255,.06);--fc-shadow:0 8px 26px rgba(2,6,23,.6);--fc-input-bg:rgba(255,255,255,.02);--fc-input-border:rgba(255,255,255,.06)}.fc-calculator{background:var(--fc-card);border-radius:var(--fc-radius);padding:18px;box-shadow:var(--fc-shadow);margin:18px 0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--fc-text);border:1px solid var(--fc-border)}.fc-calculator h3{margin:0 0 12px;font-size:1.06rem;color:var(--fc-accent);font-weight:700}.fc-form{display:block}.fc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--fc-gap)}.fc-form label{display:block;font-size:.95rem;color:var(--fc-text)}.fc-form input[type=number],.fc-form input[type=text],.fc-form select{width:100%;padding:10px 12px;border:1px solid var(--fc-input-border);border-radius:8px;margin-top:8px;background:var(--fc-input-bg);color:var(--fc-text);box-sizing:border-box;outline:none;transition:box-shadow .12s,border-color .12s,transform .06s}.fc-form input:focus,.fc-form select:focus{box-shadow:0 4px 18px rgba(37,99,235,.12);border-color:var(--fc-accent);transform:translateY(-1px)}.fc-submit{margin-top:14px;padding:10px 14px;border:none;color:#fff;background:linear-gradient(90deg,var(--fc-accent),var(--fc-accent-2));border-radius:10px;cursor:pointer;font-weight:700;box-shadow:0 6px 18px rgba(37,99,235,.12)}.fc-submit:hover{transform:translateY(-1px)}.fc-results{margin-top:12px;color:var(--fc-text)}.fc-small{font-size:.95rem;color:var(--fc-muted)}.fc-note{font-size:.9rem;color:var(--fc-muted);margin-top:8px}.fc-table{width:100%;border-collapse:collapse;margin-top:12px;max-height:320px;overflow:auto;display:block;border-radius:8px;background:0 0}.fc-table thead th{position:sticky;top:0;background:0 0;color:var(--fc-text)}.fc-table th,.fc-table td{border-bottom:1px solid transparent;padding:10px 12px;text-align:right;font-variant-numeric:tabular-nums;color:var(--fc-text)}.fc-calculator .fc-table tr+tr td{border-top:1px solid var(--fc-border)}.fc-chart{width:100%;height:300px;display:block;border-radius:8px}.fc-debt-list{margin-top:12px;display:flex;flex-direction:column;gap:8px}.fc-debt-row input[type=text],.fc-debt-row input[type=number]{padding:8px 10px;border-radius:8px;border:1px solid var(--fc-input-border);background:var(--fc-input-bg)}.fc-add-debt{margin-top:10px;padding:8px 10px;border-radius:8px;border:none;background:linear-gradient(90deg,var(--fc-accent),var(--fc-accent-2));color:#fff;cursor:pointer}.fc-debt-remove{background:0 0;border:none;color:var(--fc-danger);cursor:pointer;font-weight:700;padding:6px;border-radius:6px}.fc-export-wrap{display:flex;gap:8px;align-items:center;margin-top:6px}button.fc-export-csv{padding:8px 12px;border-radius:8px;border:none;background:linear-gradient(90deg,var(--fc-accent),var(--fc-accent-2));color:#fff;cursor:pointer;font-weight:700}.fc-debt-list{margin-top:12px;display:flex;flex-direction:column;gap:8px}.fc-debt-row input[type=text],.fc-debt-row input[type=number]{padding:8px 10px;border-radius:8px;border:1px solid var(--fc-input-border);background:var(--fc-input-bg)}.fc-add-debt{margin-top:10px;padding:8px 10px;border-radius:8px;border:none;background:linear-gradient(90deg,var(--fc-accent),var(--fc-accent-2));color:#fff;cursor:pointer}.fc-debt-remove{background:0 0;border:none;color:var(--fc-danger);cursor:pointer;font-weight:700;padding:6px;border-radius:6px}@media (max-width:640px){.fc-grid{grid-template-columns:1fr}.fc-form input,.fc-form select{font-size:1rem}}