:root{--bg: #f3f4f6;--surface: #ffffff;--surface-muted: #f9fafb;--border: #e2e5ea;--border-strong: #cbd2db;--text: #1f2937;--text-muted: #6b7280;--primary: #1f3a5f;--primary-hover: #17304f;--primary-soft: #e8eef6;--danger: #b91c1c;--danger-soft: #fdecec;--warning: #a16207;--warning-soft: #fef6e0;--success: #15803d;--success-soft: #e8f6ed;--info: #475569;--radius: 8px;--shadow: 0 1px 2px rgba(15, 23, 42, .06);--font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;font-family:var(--font-ui);font-size:14px;line-height:1.45;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg)}h1,h2,h3{margin:0;line-height:1.25}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}:focus-visible{outline:2px solid #3b82f6;outline-offset:1px}.app{max-width:1600px;margin:0 auto;padding:16px 20px 32px}.app__header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--border)}.app__header h1{font-size:20px;color:var(--primary)}.app__header p{margin:2px 0 0;color:var(--text-muted)}.app__main{display:grid;grid-template-columns:minmax(380px,520px) minmax(0,1fr);gap:16px;align-items:start}.panel{display:flex;flex-direction:column;gap:16px;min-width:0}.panel--preview{position:sticky;top:16px}@media (max-width: 980px){.app{padding:12px}.app__main{grid-template-columns:minmax(0,1fr)}.panel--preview{position:static;order:-1}}.toolbar{display:flex;flex-wrap:wrap;gap:8px 16px}.toolbar__group{display:flex;flex-wrap:wrap;gap:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);font-weight:500;white-space:nowrap;transition:background .15s,border-color .15s}.btn:hover:not(:disabled){background:var(--surface-muted);border-color:#9aa5b4}.btn--primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}.btn--ghost{border-color:transparent;background:transparent;color:var(--primary)}.btn--ghost:hover:not(:disabled){background:var(--primary-soft);border-color:transparent}.btn--small{padding:3px 9px;font-size:12.5px}.btn--danger{color:var(--danger)}.btn--danger:hover:not(:disabled){background:var(--danger-soft);border-color:#f0b4b4}.btn--link{padding:0;border:0;background:none;color:var(--primary);font-weight:600;text-decoration:underline}.section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.section__header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}.section__title{font-size:15px}.section__description{margin:2px 0 0;color:var(--text-muted);font-size:12.5px}.section__actions{flex-shrink:0}.section__body{display:flex;flex-direction:column;gap:12px;padding:14px 16px 16px}.field{display:flex;flex-direction:column;gap:4px;min-width:0}.field--grow{flex:1}.field__label{font-size:12px;font-weight:500;color:var(--text-muted)}.input,.number-input{width:100%;min-height:34px;padding:6px 9px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface)}.input:focus,.number-input:focus-within{border-color:#3b82f6;outline:none;box-shadow:0 0 0 3px #3b82f626}.input--color{padding:2px 4px;cursor:pointer}.number-input{display:flex;align-items:center;gap:6px}.number-input input{flex:1;min-width:0;padding:0;border:0;background:none;outline:none;font-variant-numeric:tabular-nums}.number-input__unit{color:var(--text-muted);font-size:12px}.is-invalid,.input.is-invalid{border-color:var(--danger);background:snow}.grid-2,.grid-3,.grid-4{display:grid;gap:10px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media (max-width: 520px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}.hint{margin:0;color:var(--text-muted);font-size:12px}.hint--error{color:var(--danger)}.empty{margin:0;padding:14px;border:1px dashed var(--border-strong);border-radius:6px;color:var(--text-muted);text-align:center}.checkbox{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-muted);cursor:pointer}.toggle-group{display:inline-flex;flex-wrap:wrap;border:1px solid var(--border-strong);border-radius:6px;overflow:hidden;background:var(--surface)}.toggle{padding:5px 10px;border:0;border-right:1px solid var(--border);background:none;font-size:12.5px}.toggle:last-child{border-right:0}.toggle:hover{background:var(--surface-muted)}.toggle.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600}.notice{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px;padding:10px 14px;border:1px solid;border-radius:var(--radius)}.notice ul{margin:6px 0 0;padding-left:18px}.notice--error{background:var(--danger-soft);border-color:#f3c0c0;color:var(--danger)}.notice--warning{background:var(--warning-soft);border-color:#f1dc9f;color:var(--warning)}.notice--success{background:var(--success-soft);border-color:#b9e2c7;color:var(--success)}.notice__close{border:0;background:none;font-size:18px;line-height:1;color:inherit}.issues{display:flex;flex-direction:column;gap:4px;margin:0;padding:0;list-style:none}.issue{display:flex;gap:8px;padding:6px 9px;border-radius:6px;font-size:12.5px}.issue__icon{flex-shrink:0;width:16px;height:16px;margin-top:1px;border-radius:50%;color:#fff;font-size:10px;font-weight:700;line-height:16px;text-align:center}.issue__actions{display:inline-flex;flex-wrap:wrap;gap:10px;margin-left:8px}.issue--error{background:var(--danger-soft);color:var(--danger)}.issue--error .issue__icon{background:var(--danger)}.issue--warning{background:var(--warning-soft);color:var(--warning)}.issue--warning .issue__icon{background:#ca8a04}.issue--info{background:var(--surface-muted);color:var(--info)}.issue--info .issue__icon{background:#94a3b8}.badge{margin-left:6px;padding:0 6px;border-radius:999px;font-size:10.5px;font-weight:600;vertical-align:1px}.badge--error{background:var(--danger-soft);color:var(--danger)}.badge--warning{background:var(--warning-soft);color:var(--warning)}.line-list{display:flex;flex-direction:column;gap:6px;margin:0;padding:0;list-style:none}.line-item{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:6px 8px;border:1px solid var(--border);border-radius:6px;background:var(--surface)}.line-item.is-selected{border-color:var(--primary);background:var(--primary-soft)}.line-item__main{display:flex;flex:1 1 200px;align-items:center;gap:10px;min-width:0;padding:0;border:0;background:none;text-align:left}.line-item__swatch{flex-shrink:0;width:18px;height:4px;border-radius:2px}.line-item__info{display:flex;flex-direction:column;min-width:0}.line-item__name{font-weight:600}.line-item__meta{color:var(--text-muted);font-size:12px;font-variant-numeric:tabular-nums}.line-item__actions{display:flex;gap:4px}.line-editor{display:flex;flex-direction:column;gap:10px;padding:12px;border:1px solid var(--border);border-left:4px solid var(--line-color);border-radius:6px;background:var(--surface-muted)}.line-editor__title{font-weight:600}.field-cards{display:flex;flex-direction:column;gap:12px}.field-card{display:flex;flex-direction:column;gap:10px;padding:12px;border:1px solid var(--border);border-left:4px solid var(--field-color);border-radius:6px}.field-card.is-selected{box-shadow:0 0 0 2px color-mix(in srgb,var(--field-color) 30%,transparent)}.field-card__header{display:flex;align-items:center;gap:8px}.field-card__number{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--field-color);color:#fff;font-size:12px;font-weight:700}.field-card__title{font-size:14px}.typography{display:flex;flex-direction:column;gap:10px;padding-top:10px;border-top:1px dashed var(--border)}.typography__row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px}.typography__row>.field:not(.field--grow){width:110px}.font-sample{padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface-muted);font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.print-guide{padding:14px 16px;border:1px solid #f1dc9f;border-radius:var(--radius);background:var(--warning-soft)}.print-guide h3{font-size:14px;margin-bottom:6px}.print-guide ul{margin:0 0 8px;padding-left:18px}.print-guide li{margin-bottom:3px}.preview{display:flex;flex-direction:column;gap:10px;min-width:0}.preview__toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}.preview__zoom{display:inline-flex;align-items:center;min-width:52px;justify-content:center;border-right:1px solid var(--border);font-size:12px;font-variant-numeric:tabular-nums;color:var(--text-muted)}.preview__viewport{overflow:auto;max-height:70vh;padding:4px;border-radius:6px;background:#e5e7eb}.preview__svg{display:block;margin:0 auto;overflow:visible}.sheet{fill:#fdfdfb;stroke:#64748b;stroke-width:1px;vector-effect:non-scaling-stroke;filter:drop-shadow(0 1px 2px rgba(15,23,42,.15))}.grid line{stroke:#94a3b8;stroke-opacity:.25;stroke-width:1px;stroke-dasharray:2 3;vector-effect:non-scaling-stroke}.ruler__tick{stroke:#64748b;stroke-width:1px;vector-effect:non-scaling-stroke}.ruler__label{fill:#64748b;font-family:var(--font-ui);-webkit-user-select:none;user-select:none}.ref-line{cursor:pointer}.ref-line__label{font-family:var(--font-ui);font-weight:500;-webkit-user-select:none;user-select:none}.ref-line__label.is-selected{font-weight:700}.field-area{cursor:pointer}.field-area__badge{fill:#fff;font-family:var(--font-ui);font-weight:700;-webkit-user-select:none;user-select:none}.field-area__placeholder{font-family:var(--font-ui);font-style:italic;opacity:.8;-webkit-user-select:none;user-select:none}.field-area__text{font-kerning:none;white-space:pre}.preview__legend-note{margin:0;padding:6px 10px;border-radius:6px;background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:500}.legend{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}.legend button{display:inline-flex;align-items:center;gap:6px;padding:4px 9px 4px 4px;border:1px solid var(--border);border-radius:999px;background:var(--surface);font-size:12.5px}.legend .is-selected button{border-color:var(--primary);background:var(--primary-soft)}.legend__badge{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;color:#fff;font-size:11px;font-weight:700}.legend__line{color:var(--text-muted)}