@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");:root{--bg:#f4f5f7;--surface:#fff;--surface-tinted:#fffaf2;--ink:#1a1f2e;--ink-light:#4b5563;--muted:#6b7280;--line:#e5e7eb;--line-warm:#f0dfc5;--accent:#f4a62a;--accent-dark:#d98d10;--accent-light:#fff7e6;--green:#16a34a;--green-bg:#f0fdf4;--green-line:#bbf7d0;--red:#dc2626;--red-bg:#fef2f2;--red-line:#fecaca;--radius:14px;--radius-sm:8px;--shadow:0 2px 8px rgba(0,0,0,.06),0 16px 32px rgba(0,0,0,.06);--shadow-sm:0 1px 4px rgba(0,0,0,.06)}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Manrope,system-ui,sans-serif;font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}.shell{display:block;min-height:100vh}.content{padding:28px 32px 40px;max-width:1440px;margin:0 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var(--line);box-shadow:var(--shadow);padding:22px}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:8px}.modal-header h2{margin:0;font-size:18px}.modal-close{width:32px;height:32px;padding:0;font-size:22px;line-height:1;border:none;background:transparent;color:var(--muted)}.modal-close:hover{color:var(--ink);background:#f3f4f6}.modal-hint{margin:0 0 14px;font-size:12px}.modal-form{display:flex;flex-direction:column;gap:2px}.modal-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.modal-card-danger{border-color:var(--red-line)}.modal-body-text{margin:0 0 4px;font-size:14px;line-height:1.6;color:var(--ink-light)}.modal-code{font-family:JetBrains Mono,monospace;font-size:12px;background:#f3f4f6;padding:1px 6px;border-radius:4px}.danger-btn{background:var(--red);border:1px solid #b91c1c;color:#fff;font-weight:700;padding:8px 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label{font-size:12px;font-weight:600;color:var(--ink-light);text-transform:uppercase;letter-spacing:.4px}.stepper{display:flex;align-items:center;gap:6px}.stepper input{min-width:68px}.stepper button{width:28px;height:28px;padding:0;display:grid;place-items:center;font-size:16px;flex-shrink:0}input,select{background:var(--surface);border:1px solid var(--line);color:var(--ink);padding:7px 9px;border-radius:var(--radius-sm);font-family:inherit;font-size:13px;width:100%}input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(244,166,42,.15)}button{background:var(--surface);color:var(--ink);border:1px solid var(--line);padding:7px 13px;border-radius:var(--radius-sm);font-family:inherit;font-size:13px;cursor:pointer;transition:background .12s}button:disabled{opacity:.5;cursor:not-allowed}button:hover:not(:disabled){background:#f9f9f9}button.primary{background:var(--accent);border-color:var(--accent-dark);color:#1a0e00;font-weight:700}button.primary:hover:not(:disabled){background:var(--accent-dark)}button.ghost{background:transparent;border-color:var(--line);color:var(--ink-light)}.sac-code{min-width:60px}.sac-heading{min-width:110px}.error{background:var(--red-bg);color:var(--red);border:1px solid var(--red-line);padding:10px 12px;border-radius:var(--radius-sm);margin-bottom:12px}.error,.muted{font-size:13px}.muted{color:var(--muted)}@keyframes spin{to{transform:rotate(1turn)}}.spinner{display:inline-block;width:13px;height:13px;border:2px solid rgba(0,0,0,.15);border-top-color:currentcolor;border-radius:50%;animation:spin .7s linear infinite}.spinner.sm{width:11px;height:11px}.toast-stack{position:fixed;right:20px;bottom:20px;display:flex;flex-direction:column;gap:8px;z-index:9999}.toast{min-width:260px;max-width:400px;padding:11px 14px;border-radius:10px;box-shadow:var(--shadow);border:1px solid transparent;font-size:13px;font-weight:500;animation:slide-in .2s ease}@keyframes slide-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.toast-success{background:var(--green-bg);border-color:var(--green-line);color:var(--green)}.toast-error{background:var(--red-bg);border-color:var(--red-line);color:var(--red)}.footer{color:var(--muted);font-size:11px;text-align:center;margin-top:20px}@media (max-width:1024px){.calc-panel{grid-template-columns:1fr}.calc-results{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){.content{padding:16px 16px 32px}.topbar{flex-wrap:wrap;gap:12px}.thead{display:none}.trow{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.calc-results{grid-template-columns:repeat(2,1fr)}.panel-header{flex-direction:column;align-items:stretch}.panel-actions{flex-wrap:wrap}.search{min-width:140px}}