:root{--bg: #fbfaf6;--bg-2: #f4f1e9;--panel: #ffffff;--panel-2: #f8f5ee;--border: #ebe6da;--border-strong: #cfc8b5;--text: #1f1d1a;--muted: #6c685c;--accent: #1f4e6b;--accent-hover: #2d6889;--success: #2d6a47;--danger: #984032;--warning: #a07338;--radius: 6px;--radius-sm: 4px;--shadow: 0 1px 2px rgba(31, 29, 26, .04), 0 4px 16px rgba(31, 29, 26, .06);--sidebar-w: 380px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;color-scheme:light;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;overflow:hidden}button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.42}a{color:var(--accent)}.app{display:flex;flex-direction:column;height:100vh}.app-header{display:flex;align-items:center;gap:18px;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--panel);flex-shrink:0}.app-header__brand{font-family:"Source Serif Pro",Iowan Old Style,Georgia,Times New Roman,serif;font-weight:600;font-size:18px;letter-spacing:-.01em;color:var(--text)}.warning-pill{margin-left:auto;background:#fbf3e3;color:var(--warning);border:1px solid #e8d8b5;padding:6px 12px;border-radius:4px;font-size:12px;max-width:50ch;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.app-main{flex:1;display:grid;grid-template-columns:1fr var(--sidebar-w);min-height:0}@media(max-width:1100px){.app-main{grid-template-columns:1fr 340px}:root{--sidebar-w: 340px}}.app-canvas-area{display:flex;flex-direction:column;min-height:0;position:relative;background:#e9e5da}.app-sidebar{border-left:1px solid var(--border);background:var(--bg);overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px}.app-footer{color:var(--muted);font-size:11px;text-align:center;padding:8px 4px 16px}.canvas-toolbar{display:flex;align-items:center;gap:14px;padding:10px 18px;background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0}.canvas-toolbar__title{font-weight:600;font-size:14px;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}.canvas-toolbar__hint{flex:1;color:var(--muted);font-size:12px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-style:italic}.canvas-toolbar__zoom{display:flex;gap:4px}.canvas-host{flex:1;min-height:0;position:relative;overflow:hidden}.image-canvas{width:100%;height:100%;display:block;touch-action:none;-webkit-user-select:none;user-select:none}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:32px;padding:40px 32px;max-width:720px;margin:0 auto}.empty-state__title{font-family:"Source Serif Pro",Iowan Old Style,Georgia,serif;font-size:28px;font-weight:600;letter-spacing:-.015em;color:var(--text);margin:0;text-align:center}.empty-state__lead{color:var(--muted);font-size:15px;text-align:center;max-width:50ch;margin:-16px 0 0}.setup-card{width:100%;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:22px 26px}.setup-card__title{font-family:"Source Serif Pro",Iowan Old Style,Georgia,serif;font-size:15px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin:0 0 14px;color:var(--muted)}.setup-card__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;counter-reset:setup}.setup-card__list>li{display:grid;grid-template-columns:28px 1fr;gap:12px;font-size:14px;align-items:baseline;counter-increment:setup}.setup-card__list>li:before{content:counter(setup,decimal-leading-zero);font-family:"Source Serif Pro",Georgia,serif;color:var(--accent);font-weight:600;font-size:13px;font-variant-numeric:tabular-nums;letter-spacing:.05em}.setup-card__list strong{font-weight:600;color:var(--text)}.setup-card__list span.muted-inline{color:var(--muted)}.upload-zone{display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;outline:none}.upload-zone:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.upload-zone--hero{flex-direction:column;text-align:center;width:100%;padding:36px 28px;border:1.5px dashed var(--border-strong);border-radius:10px;background:var(--panel);transition:border-color .15s,background .15s}.upload-zone--hero.is-drag,.upload-zone--hero:hover{border-color:var(--accent);background:#f5f9fc}.upload-zone__title{font-size:16px;font-weight:600;color:var(--text)}.upload-zone__subtitle{color:var(--muted);max-width:44ch;font-size:13px}.upload-zone--compact{margin-top:10px;padding:12px 14px;border:1px dashed var(--border-strong);border-radius:var(--radius);background:var(--panel-2);color:var(--muted);font-size:13px}.upload-zone--compact:hover,.upload-zone--compact.is-drag{color:var(--text);border-color:var(--accent);background:#f5f9fc}.upload-zone__error{width:100%;margin-top:12px;color:var(--danger);font-size:12px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:10px}.panel--accent{border-color:var(--accent);box-shadow:0 0 0 1px #1f4e6b26 inset}.panel__header{display:flex;align-items:center;justify-content:space-between;margin:-2px 0 2px}.panel__header h2{margin:0;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}.panel__count{font-size:11px;color:var(--muted);background:var(--panel-2);border:1px solid var(--border);padding:1px 8px;border-radius:999px}.muted{color:var(--muted);font-size:12px;margin:0}.divider{border:none;border-top:1px solid var(--border);margin:6px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;background:var(--text);color:var(--panel);font-weight:500;border-radius:var(--radius-sm);transition:background .12s,transform .04s;border:none;font-size:13px;letter-spacing:.01em}.btn:hover:not(:disabled){background:#000}.btn:active:not(:disabled){transform:translateY(1px)}.btn--ghost{background:var(--panel);color:var(--text);border:1px solid var(--border-strong)}.btn--ghost:hover:not(:disabled){background:var(--panel-2);border-color:var(--text)}.btn--danger{background:var(--danger);color:#fff}.btn--danger:hover:not(:disabled){background:#b54a3c}.icon-button{width:28px;height:28px;border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);background:transparent;font-size:16px;line-height:1;transition:background .1s,color .1s}.icon-button:hover:not(:disabled){background:var(--panel-2);color:var(--text)}.icon-button--danger:hover:not(:disabled){background:#fce9e3;color:var(--danger)}.button-row{display:flex;gap:8px}.button-row--wrap{flex-wrap:wrap}.text-input,.select{width:100%;background:var(--panel);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:7px 9px;font-size:13px;font-family:inherit;outline:none}.text-input:focus,.select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1f4e6b1a}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.form-row label,.form-stack{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}.form-stack{margin-top:8px}.kv{display:flex;justify-content:space-between;padding:6px 9px;background:var(--panel-2);border-radius:var(--radius-sm);font-size:12px}.kv span:first-child{color:var(--muted)}.kv span:last-child{font-family:ui-monospace,SF Mono,Menlo,monospace;color:var(--text)}.image-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.image-list__item{display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:10px;padding:6px;border-radius:var(--radius-sm);border:1px solid transparent}.image-list__item.is-active{background:#eef4f8;border-color:#cfddea}.image-list__thumb{width:56px;height:40px;border-radius:var(--radius-sm);overflow:hidden;background:#000;padding:0;border:1px solid var(--border)}.image-list__thumb img{width:100%;height:100%;object-fit:cover;display:block}.image-list__body{min-width:0}.image-list__name{display:block;text-align:left;font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;padding:0;background:none;border:none;color:var(--text);cursor:text}.image-list__meta{font-size:11px;color:var(--muted)}.preset-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.preset-button{width:100%;display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);text-align:left;border:1px solid var(--border);background:var(--panel);transition:background .1s,border-color .1s}.preset-button:hover:not(:disabled){background:var(--panel-2);border-color:var(--border-strong)}.preset-button__swatch{width:11px;height:11px;border-radius:2px;margin-top:5px;flex-shrink:0}.preset-button__body{display:flex;flex-direction:column;gap:2px;min-width:0}.preset-button__name{font-weight:600;font-size:13px;color:var(--text)}.preset-button__desc{font-size:11px;color:var(--muted);line-height:1.4}.step-list{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:4px}.step-list__item{display:flex;align-items:flex-start;gap:10px;padding:7px 9px;border-radius:var(--radius-sm)}.step-list__item.is-current{background:#eef4f8}.step-list__dot{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;background:var(--panel);border:1px solid var(--border-strong);color:var(--muted);flex-shrink:0;font-variant-numeric:tabular-nums}.step-list__item.is-current .step-list__dot{background:var(--accent);color:#fff;border-color:var(--accent)}.step-list__item.is-done .step-list__dot{background:var(--success);color:#fff;border-color:var(--success)}.step-list__label{font-weight:600;font-size:13px;color:var(--text)}.step-list__hint{font-size:12px;color:var(--muted);line-height:1.4}.banner{background:#eef4f8;border:1px solid #cfddea;padding:9px 11px;border-radius:var(--radius-sm);font-size:12px;color:var(--text)}.error-banner{background:#fce9e3;border:1px solid #f0c4b8;padding:9px 11px;border-radius:var(--radius-sm);font-size:12px;color:var(--danger)}.measurements-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.measurement-card{border:1px solid var(--border);border-left:3px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--panel);padding:10px 12px;cursor:pointer;transition:background .1s,border-color .1s}.measurement-card:hover{background:var(--panel-2)}.measurement-card.is-selected{background:#eef4f8;border-color:#cfddea}.measurement-card__head{display:grid;grid-template-columns:14px 1fr auto auto;align-items:center;gap:8px}.measurement-card__swatch{width:11px;height:11px;border-radius:2px}.measurement-card__name{font-weight:600;text-align:left;padding:0;background:none;border:none;color:var(--text);cursor:text;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.measurement-card__angle{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:14px;font-variant-numeric:tabular-nums;color:var(--text)}.measurement-card__points{list-style:none;padding:8px 0 0;margin:0;display:flex;flex-direction:column;gap:2px}.measurement-card__points li{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;font-size:11px}.measurement-card__point-label{color:var(--text)}.measurement-card__point-coord{color:var(--muted);font-family:ui-monospace,SF Mono,Menlo,monospace;font-variant-numeric:tabular-nums}.table-scroll{overflow-x:auto}.comparison-table{width:100%;border-collapse:collapse;font-size:12px}.comparison-table th,.comparison-table td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--border);white-space:nowrap}.comparison-table thead th{color:var(--muted);font-weight:600;font-size:10px;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--border-strong)}.comparison-table tbody th{font-weight:600;color:var(--text)}.comparison-table tbody td{font-family:ui-monospace,SF Mono,Menlo,monospace;font-variant-numeric:tabular-nums}.app-sidebar::-webkit-scrollbar{width:10px}.app-sidebar::-webkit-scrollbar-track{background:transparent}.app-sidebar::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px;border:2px solid var(--bg)}.app-sidebar::-webkit-scrollbar-thumb:hover{background:var(--muted)}.gate{height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}.gate__card{width:100%;max-width:360px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:36px 32px;display:flex;flex-direction:column;gap:12px;text-align:center;box-shadow:var(--shadow)}.gate__title{font-family:"Source Serif Pro",Iowan Old Style,Georgia,serif;margin:0;font-size:24px;font-weight:600;letter-spacing:-.015em;color:var(--text)}.gate__sub{margin:0 0 14px;color:var(--muted);font-size:13px}.gate__input{width:100%;background:var(--panel);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:11px 13px;font-size:14px;font-family:inherit;outline:none;text-align:center;letter-spacing:.08em}.gate__input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1f4e6b1a}.gate__error{color:var(--danger);font-size:12px}.gate__submit{margin-top:6px;background:var(--text);color:var(--panel);font-weight:500;padding:11px 14px;border-radius:var(--radius-sm);font-size:14px;transition:background .12s;letter-spacing:.01em}.gate__submit:hover:not(:disabled){background:#000}