:root{--bg: #f7f8fa;--surface: #ffffff;--surface-2: #eef1f5;--border: #cbd2dc;--border-strong: #9aa4b2;--text: #10151c;--text-muted: #4a5464;--accent: #0b6bcb;--accent-hover: #0a5cae;--accent-soft: #e3f0ff;--danger: #c02626;--danger-soft: #fdecec;--warning: #9a5b00;--warning-soft: #fff3dc;--success: #0f7a4d;--success-soft: #e3f6ec;--eave: #1668c8;--ridge: #d92c2c;--gable: #b5730a;--abutment: #7a3fd4;--valley: #0d7a55;--radius: 10px;--radius-lg: 14px;--touch: 44px;--shadow: 0 1px 2px rgba(16, 21, 28, .08), 0 4px 12px rgba(16, 21, 28, .06);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px);color-scheme:light}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;overscroll-behavior:none;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}.app{display:flex;flex-direction:column;height:100%;padding-left:var(--safe-left);padding-right:var(--safe-right)}.topbar{display:flex;align-items:center;gap:8px;padding:8px 12px;padding-top:calc(8px + var(--safe-top));background:var(--surface);border-bottom:1px solid var(--border);min-height:calc(var(--touch) + 12px);flex:0 0 auto}.topbar__title{font-size:17px;font-weight:650;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar__subtitle{font-size:13px;color:var(--text-muted);white-space:nowrap}.spacer{flex:1 1 auto}.content{flex:1 1 auto;min-height:0;display:flex}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:var(--touch);min-width:var(--touch);padding:0 14px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--text);font-weight:550;cursor:pointer;user-select:none;transition:background .12s ease,border-color .12s ease}.btn:hover:not(:disabled){background:var(--surface-2)}.btn:active:not(:disabled){background:var(--border)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn--primary:hover:not(:disabled){background:var(--accent-hover)}.btn--primary:active:not(:disabled){background:var(--accent-hover)}.btn--danger{color:var(--danger);border-color:var(--danger);background:var(--surface)}.btn--danger:hover:not(:disabled){background:var(--danger-soft)}.btn--ghost{border-color:transparent;background:transparent}.btn--ghost:hover:not(:disabled){background:var(--surface-2)}.btn--sm{min-height:36px;padding:0 10px;font-size:14px}.btn-row{display:flex;gap:8px;flex-wrap:wrap}.field{display:flex;flex-direction:column;gap:6px}.field__label{font-size:14px;font-weight:550;color:var(--text-muted)}.input{min-height:var(--touch);padding:0 12px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);width:100%}.input:focus{outline:3px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}.input--mm{font-variant-numeric:tabular-nums;text-align:right}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow)}.sidebar{width:320px;flex:0 0 320px;background:var(--surface);border-right:1px solid var(--border);overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px}.sidebar--right{border-right:none;border-left:1px solid var(--border)}.section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin:0 0 8px}.canvas-wrap{position:relative;flex:1 1 auto;min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--bg)}.canvas{flex:1 1 auto;width:100%;height:100%;display:block;touch-action:none;user-select:none}.canvas-hint{position:absolute;left:50%;transform:translate(-50%);bottom:16px;background:#10151cdb;color:#fff;padding:8px 14px;border-radius:999px;font-size:14px;pointer-events:none;max-width:calc(100% - 32px);text-align:center}.slope-bar{flex:0 0 auto;display:flex;gap:8px;padding:10px 12px;padding-bottom:calc(10px + var(--safe-bottom));background:var(--surface);border-top:1px solid var(--border);overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}.slope-card{flex:0 0 auto;width:132px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);padding:8px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:4px;min-height:116px}.slope-card:hover{background:var(--surface-2)}.slope-card--active{border-color:var(--accent);outline:2px solid var(--accent);background:var(--accent-soft)}.slope-card__head{display:flex;align-items:center;justify-content:space-between;gap:6px}.slope-card__number{font-weight:700;font-size:15px}.slope-card__thumb{height:46px;display:block}.slope-card__area{font-size:13px;font-variant-numeric:tabular-nums}.slope-card__status{font-size:12px;font-weight:600}.status--ok{color:var(--success)}.status--pending{color:var(--warning)}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid transparent}.badge--draft{background:var(--surface-2);color:var(--text-muted);border-color:var(--border)}.badge--measured{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}.badge--sent{background:var(--warning-soft);color:var(--warning);border-color:var(--warning)}.badge--calculated{background:var(--success-soft);color:var(--success);border-color:var(--success)}.notice{padding:10px 12px;border-radius:var(--radius);font-size:14px;border:1px solid}.notice--warn{background:var(--warning-soft);border-color:var(--warning);color:#6b3f00}.notice--error{background:var(--danger-soft);border-color:var(--danger);color:#8a1c1c}.notice--info{background:var(--accent-soft);border-color:var(--accent);color:#0a4a8f}.notice--ok{background:var(--success-soft);border-color:var(--success);color:#0a5537}.list{display:flex;flex-direction:column;gap:8px;list-style:none;margin:0;padding:0}.row{display:flex;align-items:center;gap:10px}.row--between{justify-content:space-between}.muted{color:var(--text-muted)}.nums{font-variant-numeric:tabular-nums}.metrics{display:grid;grid-template-columns:1fr auto;gap:6px 12px;font-size:15px}.metrics dt{color:var(--text-muted)}.metrics dd{margin:0;text-align:right;font-variant-numeric:tabular-nums;font-weight:600}.centered{flex:1 1 auto;display:flex;align-items:center;justify-content:center;padding:20px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;padding:12px;overflow-y:auto;align-content:start;width:100%}.project-card{text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:8px}.project-card:hover{background:var(--surface-2)}.modal-backdrop{position:fixed;inset:0;background:#10151c73;display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal{background:var(--surface);border-radius:var(--radius-lg);padding:18px;width:min(520px,100%);max-height:calc(100% - 32px);overflow-y:auto;box-shadow:0 12px 40px #10151c40;display:flex;flex-direction:column;gap:14px}.modal h2{margin:0;font-size:19px}.edge-list{display:flex;flex-direction:column;gap:8px}.edge-row{display:grid;grid-template-columns:1fr 116px;gap:8px;align-items:center;padding:2px 6px;margin:0 -6px;border-radius:var(--radius)}.edge-row--active{background:var(--accent-soft)}.input--drift{border-color:var(--warning);background:var(--warning-soft)}.edge-chip{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600}.edge-swatch{width:14px;height:14px;border-radius:4px;flex:0 0 auto}.type-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px}.type-option{min-height:var(--touch);border:2px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:600}.type-option--active{border-width:3px}@media(max-width:760px){.content{position:relative}.sidebar{position:absolute;inset:0 auto 0 0;z-index:20;width:min(86vw,340px);flex-basis:auto;box-shadow:0 0 40px #10151c40}.sidebar--right{inset:0 0 0 auto}.sidebar--hidden{display:none}.slope-card{width:116px;min-height:104px}.topbar__subtitle{display:none}.topbar{gap:6px;flex-wrap:nowrap}.topbar__title{font-size:15px;min-width:0}.btn__label{display:none}.btn--sm{padding:0 8px}.card-grid{grid-template-columns:1fr}}@media(max-width:760px)and (orientation:portrait){.sidebar--right{inset:auto 0 0;width:100%;height:min(30vh,260px);border-left:none;border-top:1px solid var(--border);border-radius:16px 16px 0 0;padding:8px 10px calc(10px + var(--safe-bottom));gap:8px;box-shadow:0 -8px 40px #10151c38}.sidebar--right.sidebar--tall{height:min(78vh,620px)}.sidebar--right .btn{min-height:36px;padding:6px 10px;font-size:14px}.sidebar--right .btn-row{gap:6px}.sidebar--right .input{min-height:38px;padding:6px 10px}.sidebar--right h2{font-size:16px}.sidebar--right .section-title{margin-bottom:6px}.sidebar--right .metrics{gap:2px 10px}.sidebar--right .notice{padding:8px 10px;font-size:13px}}@media(max-height:520px)and (orientation:landscape){.topbar{min-height:40px;padding:4px 8px;padding-top:calc(4px + var(--safe-top))}.sidebar{width:min(54vw,300px);padding:8px;gap:8px}.slope-bar{padding:6px 8px;padding-bottom:calc(6px + var(--safe-bottom))}.slope-card{width:96px;min-height:0}.slope-card__thumb{display:none}.btn,.input{min-height:40px}.btn--sm{min-height:32px}}.panel-header{position:sticky;top:0;z-index:2;background:var(--surface);padding-bottom:4px}.panel-section>summary{cursor:pointer;margin:0;padding:4px 0;list-style:none}.panel-section>summary::-webkit-details-marker{display:none}.panel-section>summary:after{content:" ▾";color:var(--text-muted)}.panel-section[open]>summary:after{content:" ▴"}.sheet-grip{flex:0 0 auto;height:24px;margin:-6px 0 -2px;border:none;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center}.sheet-grip:before{content:"";width:46px;height:5px;border-radius:3px;background:var(--border-strong)}.panel-pill{position:absolute;right:12px;top:12px;z-index:25;min-height:40px;padding:0 14px;border:1px solid var(--border-strong);border-radius:999px;background:var(--surface);color:var(--text);font-weight:600;box-shadow:var(--shadow);cursor:pointer}@media(min-width:761px){.only-phone{display:none!important}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.dim-editor__hint{flex-basis:100%;font-size:12px;color:var(--text-muted)}.dim-editor{position:absolute;z-index:30;display:flex;gap:6px;align-items:center;max-width:calc(100vw - 16px);flex-wrap:wrap;padding:6px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow)}