:root{--primary:#171717;--on-primary:#fff;--ink:#171717;--body:#4d4d4d;--mute:#888;--hairline:#ebebeb;--hairline-strong:#a1a1a1;--canvas:#fff;--canvas-soft:#fafafa;--canvas-soft-2:#f5f5f5;--link:#0070f3;--link-deep:#0761d1;--link-bg-soft:#d3e5ff;--success:#0070f3;--error:#e00;--error-soft:#f7d4d6;--error-deep:#c50000;--warning:#f5a623;--warning-soft:#ffefcf;--warning-deep:#ab570a;--cyan:#50e3c2;--cyan-soft:#aaffec;--cyan-deep:#29bc9b;--violet:#7928ca;--violet-soft:#d8ccf1;--violet-deep:#4c2889;--highlight-pink:#ff0080;--highlight-magenta:#eb367f;--selection-bg:#171717;--selection-fg:#f2f2f2;--gradient-develop-start:#007cf0;--gradient-develop-end:#00dfd8;--gradient-preview-start:#7928ca;--gradient-preview-end:#ff0080;--gradient-ship-start:#ff4d4d;--gradient-ship-end:#f9cb28;--space-xxs:4px;--space-xs:8px;--space-sm:12px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:40px;--space-3xl:48px;--space-4xl:64px;--space-5xl:96px;--space-6xl:128px;--space-section:192px;--radius-none:0px;--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-pill:100px;--radius-full:9999px;--shadow-inset:inset 0 0 0 1px #00000014;--shadow-2:0 1px 1px #00000005, 0 2px 2px #0000000a, inset 0 0 0 1px #00000014;--shadow-3:0 2px 2px #0000000a, 0 8px 8px -8px #0000000a, inset 0 0 0 1px #00000014;--shadow-4:0 2px 2px #0000000a, 0 8px 16px -4px #0000000a, inset 0 0 0 1px #00000014;--shadow-5:0 1px 1px #00000005, 0 8px 16px -4px #0000000a, 0 24px 32px -8px #0000000f, inset 0 0 0 1px #00000014;--font-sans:"Geist", "Inter", system-ui, -apple-system, sans-serif;--font-mono:"Geist Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}body{font-family:var(--font-sans);background:var(--canvas-soft);color:var(--ink);letter-spacing:-.28px;padding:var(--space-md) 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var(--space-sm);margin-bottom:var(--space-xs);grid-template-columns:repeat(auto-fill,minmax(150px,1fr));display:grid}.month-row{align-items:center;gap:var(--space-xs);min-width:0;display:flex}.month-row label{min-width:32px;color:var(--body);flex-shrink:0;font-size:13px;font-weight:500}.month-row input{width:100%;min-width:0;height:32px;padding:0 var(--space-xs);border:1px solid var(--hairline);border-radius:var(--radius-sm);font-size:13px;font-family:var(--font-sans);color:var(--ink);background:var(--canvas);flex:1;transition:border-color .15s}.month-row input:focus{border-color:var(--ink);outline:none}.extend-month label{min-width:50px}#extendMonthInputs{gap:var(--space-xs) var(--space-sm);grid-column:1/-1;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));display:grid}.year-divider{color:var(--mute);padding:var(--space-xs) 0 var(--space-xxs);border-top:1px dashed var(--hairline);margin-top:var(--space-xxs);font-size:12px;font-weight:600;font-family:var(--font-mono);letter-spacing:0;grid-column:1/-1}.btn-remove-month{border-radius:var(--radius-xs);width:24px;height:24px;color:var(--mute);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;transition:all .15s;display:flex}.btn-remove-month:hover{background:var(--error-soft);color:var(--error)}.btn-add-month-group{gap:var(--space-xs);grid-column:1/-1;display:flex}.btn-add-month-group .btn-add-month{flex:1}.btn-add-month{border:1px solid var(--hairline);border-radius:var(--radius-sm);background:var(--canvas);width:100%;height:36px;color:var(--body);font-size:13px;font-weight:500;font-family:var(--font-sans);cursor:pointer;grid-column:1/-1;transition:all .15s}.btn-add-month:hover{border-color:var(--ink);color:var(--ink)}.btn{border-radius:var(--radius-pill);background:var(--primary);width:100%;height:42px;color:var(--on-primary);font-size:15px;font-weight:500;font-family:var(--font-sans);cursor:pointer;margin-top:var(--space-xs);letter-spacing:-.28px;border:none;line-height:20px;transition:opacity .15s,background .15s,color .15s,box-shadow .15s}.btn:hover{opacity:.85}.btn-manage-city{width:auto;height:40px;padding:0 var(--space-sm);border-radius:var(--radius-sm);background:var(--canvas);color:var(--ink);border:1px solid var(--hairline);margin-top:0;font-size:13px;font-weight:500}.btn-manage-city:hover{border-color:var(--ink);opacity:1}.card-actions{margin-top:var(--space-md);gap:10px;display:flex}.card-actions .btn-calculate{flex:2;margin-top:0}.card-actions .btn-reset{background:var(--canvas);border:1px solid var(--hairline);color:var(--body);border-radius:var(--radius-pill);flex:1;margin-top:0}.card-actions 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td:first-child{text-align:left}.detail-table tbody tr:hover{background:var(--canvas-soft)}.detail-subtotal td{border-top:2px solid var(--hairline);font-weight:500}.detail-total td{color:var(--link);font-weight:600}.bonus-row{background:var(--warning-soft)!important}.bonus-row:hover{background:#ffe8b8!important}.bonus-row td:first-child{color:var(--body);font-size:12px}.total-row td{border-top:2px solid var(--hairline);background:var(--canvas-soft);font-weight:600}.btn-fullscreen{justify-content:center;align-items:center;gap:var(--space-xxs);padding:var(--space-xs) var(--space-sm);border:1px solid var(--hairline);border-radius:var(--radius-sm);background:var(--canvas);color:var(--body);font-size:12px;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;flex:0;transition:all .15s;display:none}.btn-fullscreen:hover{border-color:var(--ink);color:var(--ink)}.btn-fullscreen svg{width:14px;height:14px}@media (width<=1023px){.btn-fullscreen{display:inline-flex}.result-tabs{align-items:center;gap:var(--space-xs)}}.fullscreen-overlay{z-index:2000;background:var(--canvas);flex-direction:column;display:none;position:fixed;inset:0}.fullscreen-overlay.active{display:flex}.fullscreen-header{padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--hairline);background:var(--canvas);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.fullscreen-header h3{letter-spacing:-.3px;font-size:15px;font-weight:600}.fullscreen-close{width:36px;height:36px;color:var(--mute);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;font-size:22px;transition:background .15s;display:flex}.fullscreen-close:hover{background:var(--canvas-soft)}.fullscreen-body{-webkit-overflow-scrolling:touch;flex:1;padding:0;overflow:auto}.fullscreen-body .result-table{width:max-content;min-width:100%}.fullscreen-body .result-table thead th,.fullscreen-body .result-table tbody td{white-space:nowrap;padding:var(--space-xs) var(--space-sm)}.fullscreen-body .result-table thead th:first-child,.fullscreen-body .result-table tbody td:first-child{background:var(--canvas);z-index:1;position:sticky;left:0}.fullscreen-body .result-table thead th:first-child{background:var(--canvas-soft)}.fullscreen-hint{padding:var(--space-xs) var(--space-md);color:var(--mute);text-align:center;border-top:1px solid var(--hairline);flex-shrink:0;font-size:11px}.fullscreen-overlay.forced-landscape{transform-origin:0 0;width:100vh;height:100vw;transform:rotate(90deg)translateY(-100%)}@media (width>=1024px){.card-result{-webkit-overflow-scrolling:touch;min-height:0;overflow-y:auto}}@media (width<=1023px){.form-group input,.form-group select{height:44px}.limit-grid input,.month-row input{height:40px}.btn-remove-month{width:32px;height:32px}.btn{height:48px}.btn-manage-city{height:44px}.collapsible-header{padding:var(--space-sm) 0}}.modal-overlay{z-index:1000;padding:40px var(--space-md);background:#00000080;justify-content:center;align-items:flex-start;display:none;position:fixed;inset:0;overflow-y:auto}.modal-overlay.active{display:flex}.modal-container{background:var(--canvas);border-radius:var(--radius-lg);width:100%;max-width:680px;box-shadow:var(--shadow-5);animation:.25s modalSlideIn}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--hairline);justify-content:space-between;align-items:center;display:flex}.modal-header h2{letter-spacing:-.4px;color:var(--ink);font-size:17px;font-weight:600}.modal-close{width:32px;height:32px;color:var(--mute);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;font-size:22px;transition:background .15s;display:flex}.modal-close:hover{background:var(--canvas-soft)}.modal-body{padding:var(--space-lg);max-height:65vh;overflow-y:auto}.city-table{border-collapse:collapse;width:100%;font-size:13px}.city-table th{padding:var(--space-xs) var(--space-sm);text-align:left;background:var(--canvas-soft);color:var(--body);border-bottom:1px solid var(--hairline);font-size:12px;font-weight:500;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:0;z-index:1;position:sticky;top:0}.city-table td{padding:var(--space-xs) var(--space-sm);border-bottom:1px solid var(--hairline)}.city-table tr:hover{background:var(--canvas-soft)}.city-name{font-weight:500}.city-range{color:var(--mute);font-size:12px}.city-badge{padding:2px var(--space-xs);border-radius:var(--radius-xs);background:var(--link);color:var(--on-primary);margin-left:var(--space-xs);font-size:11px;font-weight:500;display:inline-block}.city-badge.custom{background:#29bc9b}.city-actions{white-space:nowrap}.btn-action{cursor:pointer;padding:var(--space-xxs) 10px;border-radius:var(--radius-xs);font-size:13px;font-family:var(--font-sans);background:0 0;border:none;transition:background .15s}.btn-edit{color:var(--link)}.btn-edit:hover{background:var(--link-bg-soft)}.btn-delete{color:var(--error)}.btn-delete:hover{background:var(--error-soft)}.modal-actions{margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--hairline);flex-wrap:wrap;gap:10px;display:flex}.modal-actions .btn{border-radius:var(--radius-pill);cursor:pointer;border:none;width:auto;height:40px;margin-top:0;font-size:14px;font-weight:500;transition:opacity .15s}.modal-actions .btn:hover{opacity:.85}.btn-primary{background:var(--primary);color:var(--on-primary);flex:1}.btn-secondary{padding:0 var(--space-lg);background:var(--canvas);color:var(--ink);border:1px solid var(--hairline);flex:none}.btn-secondary:hover{border-color:var(--ink);opacity:1}.modal-actions .btn:disabled{opacity:.5;cursor:not-allowed}.edit-errors{padding:10px var(--space-sm);background:var(--error-soft);border:1px solid var(--error);border-radius:var(--radius-sm);color:var(--error);margin-bottom:var(--space-sm);font-size:13px;display:none}.form-row{gap:var(--space-sm);grid-template-columns:1fr 1fr;display:grid}.form-row .form-group{margin-bottom:0}#cityEditView .config-block{margin-bottom:var(--space-sm)}#cityEditView .rates-table input[type=number]{width:70px;height:32px;padding:0 var(--space-xs);text-align:right;border:1px solid var(--hairline);border-radius:var(--radius-xs);background:var(--canvas);color:var(--ink);font-size:13px;font-family:var(--font-sans)}#cityEditView .rates-table input[type=number]:focus{border-color:var(--ink);outline:none}.config-block{margin-bottom:var(--space-sm);padding:var(--space-sm);background:var(--canvas-soft);border-radius:var(--radius-sm)}@media (width>=1024px) and (height<=700px) and (orientation:landscape){.layout{gap:var(--space-md)}.card{padding:var(--space-sm)}}@media (width<=1023px){.placeholder{padding:40px 0}}.btn-back-result{color:var(--ink);font-size:14px;font-weight:500;font-family:var(--font-sans);cursor:pointer;padding:var(--space-xxs) var(--space-sm) var(--space-xxs) var(--space-xxs);border-radius:var(--radius-sm);margin-right:var(--space-xs);letter-spacing:-.28px;background:0 0;border:none;align-items:center;gap:2px;transition:background .15s;display:none}.btn-back-result:hover{background:var(--canvas-soft)}@media (width<=1023px){.btn-back-result{display:inline-flex}.card-result.active{z-index:500;border:none;border-radius:0;flex-direction:column;margin:0;display:flex;position:fixed;inset:0;overflow:hidden}.card-result.active .card-title{background:var(--canvas);z-index:10;padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--hairline);flex-shrink:0;align-items:center;margin-bottom:0;font-size:16px;display:flex}.card-result:not(.active) .card-title{display:none}.card-result.active .result-wrap{padding:var(--space-md);-webkit-overflow-scrolling:touch;flex:1;overflow-y:auto}.card-result:not(.active){display:none}}