:root,[data-theme=dark]{--m3-primary:#4ee08b;--m3-on-primary:#00391d;--m3-primary-container:#00522b;--m3-on-primary-container:#6bfda5;--m3-secondary:#b6ccbb;--m3-secondary-container:#384b3e;--m3-on-secondary-container:#d2e8d5;--m3-tertiary-container:#1f4d54;--m3-on-tertiary-container:#bcebf3;--m3-error:#ffb4ab;--m3-error-container:#93000a;--m3-surface:#0f150f;--m3-on-surface:#dfe4dd;--m3-on-surface-variant:#c1c9c0;--m3-surface-container-low:#171d17;--m3-surface-container:#1b211b;--m3-surface-container-high:#252b25;--m3-surface-container-highest:#303630;--m3-outline:#8b9389;--m3-outline-variant:#414942;--m3-inverse-surface:#dfe4dd;--cm-bg:#0f150f;--cm-gutter:#171d17;--cm-caret:#4ee08b;--cm-heading:#93f7ba;--cm-emphasis:#a0cfd7;--cm-code:#e8c07a;--cm-quote:#b6ccbb;--cm-marker:#6e786f;--cm-tag:#a0cfd7;--cm-link:#4ee08b;--cm-link-pending:#d9a445;--cm-sel:color-mix(in srgb, var(--m3-primary) 20%, transparent);--cm-line-active:color-mix(in srgb, var(--m3-primary) 6%, 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.875rem}.toast-container{z-index:300;pointer-events:none;flex-direction:column;gap:.5rem;display:flex;position:fixed;bottom:2.5rem;right:1rem}.toast{border-radius:var(--radius-md);font-size:var(--m3-body-medium-size);pointer-events:all;max-width:340px;box-shadow:var(--shadow-md);border:1px solid #0000;align-items:center;gap:.5rem;padding:.55rem .75rem;font-weight:500;animation:.18s cubic-bezier(.16,1,.3,1) toast-in;display:flex}@keyframes toast-in{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:translate(0)}}.toast--success{background:var(--color-surface);border-color:var(--color-primary);color:var(--color-primary)}.toast--error{background:var(--color-surface);border-color:var(--color-error);color:var(--color-error)}.toast--info{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.toast--warning{background:var(--color-surface);border-color:var(--m3-tertiary-container);color:var(--m3-on-tertiary-container)}.toast-icon{flex-shrink:0}.toast-msg{flex:1}.toast-close{border-radius:var(--radius-sm);width:18px;height:18px;color:inherit;opacity:.6;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:opacity .1s;display:inline-flex}.toast-close:hover{opacity:1}.calc-tool{height:100%;padding:1.25rem;overflow:auto}.calc-grid{grid-template-columns:minmax(0,1fr) minmax(320px,400px);align-items:start;gap:1rem;max-width:1100px;margin:0 auto;display:grid}@media (width<=860px){.calc-grid{grid-template-columns:1fr}}.calc-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--m3-corner-xl);overflow:hidden}.calc-section{padding:1.25rem}.calc-section--bordered{border-top:1px solid var(--color-divider)}.section-badge{border:1px solid var(--color-primary);border-radius:var(--radius-full);color:var(--color-primary);font-size:var(--m3-label-small-size);letter-spacing:.08em;text-transform:uppercase;align-items:center;margin-bottom:.5rem;padding:.15rem .5rem;font-weight:700;display:inline-flex}.calc-section h2{font-size:var(--m3-body-large-size);margin:0 0 .25rem;font-weight:700}.muted{color:var(--color-text-muted);font-size:var(--m3-body-medium-size);margin:0}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin-top:1rem;display:grid}@media (width<=540px){.form-grid{grid-template-columns:1fr}}.field{gap:.3rem;display:grid}.field label{font-size:var(--m3-body-medium-size);font-weight:600}.field input,.field select{width:100%;height:var(--m3-field-h);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--m3-corner-xs);color:var(--color-text);font:inherit;font-size:var(--m3-body-medium-size);appearance:none;outline:none;padding:0 .625rem;transition:border-color .15s,box-shadow .15s}.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2392a39a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:right .5rem center;background-repeat:no-repeat;padding-right:2rem}.field input:focus,.field select:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-bg)}.input-hint{font-size:var(--m3-body-small-size);color:var(--color-text-faint)}.calc-actions{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:1rem;display:flex}.btn{height:var(--m3-btn-h);border-radius:var(--m3-corner-full);font:inherit;font-size:var(--m3-body-medium-size);cursor:pointer;border:1px solid #0000;align-items:center;gap:.3rem;padding:0 .875rem;font-weight:600;transition:background .15s,transform .1s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--color-primary);color:var(--color-on-primary)}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface-2);border-color:var(--color-border);color:var(--color-text)}.btn-ghost{border-color:var(--color-border);color:var(--color-text);background:0 0}.calc-error{background:var(--color-error-bg);color:var(--color-error);border-radius:var(--radius-md);font-size:var(--m3-body-medium-size);margin:.5rem 0 0;padding:.5rem .75rem;font-weight:500}.calc-msg{border-radius:var(--radius-md);font-size:var(--m3-body-medium-size);margin:.5rem 0 0;padding:.4rem .75rem;font-weight:500}.calc-msg--success{background:var(--color-primary-bg);color:var(--color-primary)}.calc-msg--error{background:var(--color-error-bg);color:var(--color-error)}.tariff-list{gap:.35rem;max-height:320px;margin-top:.75rem;padding-right:2px;display:grid;overflow-y:auto}.tariff-list::-webkit-scrollbar{width:4px}.tariff-list::-webkit-scrollbar-track{background:0 0}.tariff-list::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}.tariff-row{min-height:var(--m3-row-table);padding:0 var(--m3-space-3);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--m3-corner-sm);grid-template-columns:1fr 130px auto;align-items:center;gap:.5rem;transition:border-color .15s;display:grid}.tariff-row:hover{border-color:var(--color-primary)}.tariff-row-name strong{font-size:var(--m3-body-medium-size);font-weight:600}.tariff-row input{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--m3-corner-full);width:100%;height:2rem;color:var(--color-text);font:inherit;font-family:var(--font-mono);font-size:var(--m3-body-medium-size);text-align:right;appearance:none;outline:none;padding:0 .75rem}.tariff-row input:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-bg)}.btn-icon{border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:1px solid #0000;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;transition:background .15s;display:inline-flex}.btn-icon--danger{border-color:color-mix(in srgb, var(--color-error) 30%, transparent);color:var(--color-error)}.btn-icon--danger:hover{background:var(--color-error-bg)}.calc-result-col{position:sticky;top:0}.calc-result-card{overflow:hidden}.result-hero{background:linear-gradient(150deg, var(--color-primary-bg) 0%, transparent 60%);border-bottom:1px solid var(--color-divider);padding:1.25rem}.result-value{color:var(--color-primary);letter-spacing:-.03em;font-variant-numeric:tabular-nums lining-nums;margin:.75rem 0 .25rem;font-size:clamp(1.6rem,3vw,2.25rem);font-weight:800;line-height:1.1}.btn-copy{border:1px solid var(--color-primary);border-radius:var(--radius-md);background:var(--color-primary-bg);height:32px;color:var(--color-primary);font:inherit;font-size:var(--m3-body-medium-size);cursor:pointer;align-items:center;gap:.35rem;margin-top:.75rem;padding:0 .75rem;font-weight:600;transition:background .15s,transform .1s;display:inline-flex}.btn-copy:hover:not(:disabled){background:color-mix(in srgb, var(--color-primary) 18%, transparent);transform:translateY(-1px)}.btn-copy:disabled{opacity:.5;cursor:default}.btn-copy--done{background:var(--color-primary);color:var(--color-on-primary)}.result-breakdown{gap:.5rem;padding:1rem;display:grid}.break-item{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);gap:.2rem;padding:.75rem;display:grid}.break-item strong{font-size:var(--m3-body-medium-size);font-weight:700}.break-eq{color:var(--color-text-muted);font-size:var(--m3-body-small-size);word-break:break-all}.break-money{font-size:var(--m3-body-large-size);color:var(--color-primary);font-variant-numeric:tabular-nums lining-nums;font-weight:700}.result-highlight{font-size:var(--m3-title-medium-size)}.nfse-tool{flex-direction:column;height:100%;display:flex}.nfse-iframe{background:var(--color-bg);border:none;flex:1;width:100%;height:100%}