.tdpa-cad{--blue:#165dff;--navy:#071b4b;--gold:#ffb800;--line:#d8e0ed;--panel:#f7f9fd;--muted:#6c7890;position:relative;left:50%;transform:translateX(-50%);display:block;width:min(1600px,calc(100vw - 24px));max-width:none;margin:18px 0;border:1px solid #d7e0ee;border-radius:22px;overflow:hidden;background:#f4f7fc;color:#152548;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;box-shadow:0 24px 70px rgba(19,42,88,.16)}
.tdpa-cad *{box-sizing:border-box}
.tdpa-cad [hidden]{display:none!important}
.tdpa-cad button,.tdpa-cad input{font:inherit}
.tdpa-cad button{cursor:pointer}
.tdpa-cad button:focus-visible,.tdpa-cad input:focus-visible,.tdpa-cad summary:focus-visible{outline:3px solid rgba(22,93,255,.3);outline-offset:2px}
.tdpa-cad__topbar{min-height:72px;display:grid;grid-template-columns:auto minmax(220px,1fr) auto;gap:24px;align-items:center;padding:12px 18px;background:#fff;border-bottom:1px solid var(--line)}
.tdpa-cad__brand{display:flex;align-items:center;gap:10px}
.tdpa-cad__mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,var(--blue),#0d3ca9);color:#fff;font-weight:950;box-shadow:0 7px 16px rgba(22,93,255,.25)}
.tdpa-cad__brand>div{display:grid}
.tdpa-cad__brand strong{font-size:15px;color:var(--navy)}
.tdpa-cad__brand small{font-size:10px;color:var(--muted)}
.tdpa-cad__project-name{justify-self:center;width:min(440px,100%);display:grid;grid-template-columns:auto 1fr;align-items:center;gap:9px}
.tdpa-cad__project-name span{font-size:10px;font-weight:850;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.tdpa-cad__project-name input{width:100%;border:1px solid #cbd6e7;border-radius:9px;padding:9px 11px;color:var(--navy);font-weight:750}
.tdpa-cad__file-actions{display:flex;gap:7px}
.tdpa-cad__file-actions button{display:flex;align-items:center;justify-content:center;gap:4px;border:1px solid #cbd6e7;border-radius:10px;background:#fff;color:#334563;padding:9px 12px;font-size:12px;font-weight:800}
.tdpa-cad__file-actions button>span{font-size:15px;color:var(--blue)}
.tdpa-cad__file-actions button:hover{border-color:#8ca8dd;color:var(--blue)}
.tdpa-cad__file-actions button.is-primary{border-color:var(--blue);background:linear-gradient(135deg,var(--blue),#0c47cf);color:#fff;box-shadow:0 7px 15px rgba(22,93,255,.22)}
.tdpa-cad__file-actions button.is-primary>span{color:#fff}
.tdpa-cad__workspace{display:grid;grid-template-columns:250px minmax(0,1fr) 280px;height:720px;min-height:0;background:#fff}
.tdpa-cad__library,.tdpa-cad__inspector{min-height:0;background:#fff;padding:16px;overflow:auto}
.tdpa-cad__library{border-right:1px solid var(--line)}
.tdpa-cad__inspector{border-left:1px solid var(--line)}
.tdpa-cad__panel-heading{display:grid;gap:2px;margin-bottom:14px}
.tdpa-cad__panel-heading strong{font-size:15px;color:var(--navy)}
.tdpa-cad__panel-heading small{font-size:10px;line-height:1.4;color:var(--muted)}
.tdpa-cad__shape-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.tdpa-cad__shape-grid button{position:relative;display:grid;place-items:center;gap:3px;min-height:112px;border:1px solid var(--shape-line,#d3ddeb);border-radius:12px;background:linear-gradient(180deg,#fff,var(--shape-bg,#fafcff));color:#344866;box-shadow:0 3px 9px rgba(30,61,113,.05);transition:.15s ease}
.tdpa-cad__shape-grid button::after{content:"＋";position:absolute;right:7px;top:6px;display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:#fff;color:var(--shape-accent,var(--blue));font-size:13px;font-weight:950;box-shadow:0 2px 6px rgba(24,52,100,.12)}
.tdpa-cad__shape-grid button[data-shape="box"]{--shape-bg:#eef4ff;--shape-line:#cbdcff;--shape-accent:#165dff}
.tdpa-cad__shape-grid button[data-shape="cylinder"]{--shape-bg:#ecfbf4;--shape-line:#c1eed6;--shape-accent:#0c9a5b}
.tdpa-cad__shape-grid button[data-shape="sphere"]{--shape-bg:#fff0f7;--shape-line:#f8cce0;--shape-accent:#df3f8a}
.tdpa-cad__shape-grid button[data-shape="cone"]{--shape-bg:#fff8e7;--shape-line:#f8dfa3;--shape-accent:#d88c00}
.tdpa-cad__shape-grid button[data-shape="wedge"]{--shape-bg:#f5efff;--shape-line:#ddcdfb;--shape-accent:#7c3aed}
.tdpa-cad__shape-grid button[data-shape="text"]{--shape-bg:#fff1ef;--shape-line:#f4d0ca;--shape-accent:#e24639}
.tdpa-cad__shape-grid button:hover{border-color:var(--shape-accent,var(--blue));transform:translateY(-2px);box-shadow:0 8px 16px rgba(30,61,113,.12)}
.tdpa-cad__shape-grid button.is-dragging{opacity:.55;border-color:var(--gold)}
.tdpa-cad__shape-grid b{font-size:11px}
.tdpa-cad__shape-grid button>span{display:block;position:relative;width:36px;height:36px;color:#5c7dbc}
.tdpa-cad__shape-grid button>.tdpa-cad__shape-preview.is-rendered{width:76px;height:76px;border:0;border-radius:0;background:none;clip-path:none;transform:none}
.tdpa-cad__shape-preview img{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 5px 5px rgba(20,47,91,.2))}
.shape-box{background:linear-gradient(135deg,#87a6df 0 48%,#6589cb 49%);border:2px solid #426bb4;border-radius:4px;transform:skewY(-6deg)}
.shape-cylinder{border-radius:50%/22%;background:linear-gradient(90deg,#6389cf,#a6bce5 45%,#5f85ca);border:2px solid #426bb4}
.shape-sphere{border-radius:50%;background:radial-gradient(circle at 32% 27%,#d8e5fb,#7e9ed9 42%,#4168b0 82%)}
.shape-cone{clip-path:polygon(50% 0,100% 90%,50% 100%,0 90%);background:linear-gradient(100deg,#486fb7,#abc0e7 55%,#5b80c3)}
.shape-wedge{clip-path:polygon(0 100%,100% 100%,100% 12%);background:linear-gradient(135deg,#9db5e1,#4f77bd)}
.shape-text{font-size:35px;line-height:36px;font-weight:950}
.tdpa-cad__start-steps{margin-top:18px;padding:13px;border:1px solid #f2d178;border-radius:14px;background:linear-gradient(145deg,#fffbea,#fff6cd)}
.tdpa-cad__start-steps>strong{font-size:11px;color:#775200}
.tdpa-cad__start-steps ol{display:grid;gap:8px;margin:10px 0 0;padding:0;list-style:none}
.tdpa-cad__start-steps li{display:flex;align-items:center;gap:8px;color:#5c6680;font-size:10px}
.tdpa-cad__start-steps li b{display:grid;place-items:center;flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:#fff;color:#9a6700;box-shadow:0 2px 6px rgba(119,82,0,.12)}
.tdpa-cad__shortcut-details{margin-top:14px;color:#60708a;font-size:10px}
.tdpa-cad__shortcut-details summary{cursor:pointer;color:#50617d;font-weight:800}
.tdpa-cad__shortcuts{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:10px;font-size:10px;color:#60708a}
.tdpa-cad kbd{min-width:24px;display:inline-grid;place-items:center;margin-right:4px;padding:3px 5px;border:1px solid #c9d4e4;border-bottom-width:2px;border-radius:5px;background:#fff;color:#34445f;font-size:9px;font-weight:850}
.tdpa-cad__stage{position:relative;display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;background:#e8eef6}
.tdpa-cad__toolbar{min-height:56px;display:flex;align-items:center;justify-content:center;gap:10px;padding:8px 12px;background:#f9fbfe;border-bottom:1px solid var(--line)}
.tdpa-cad__toolbar>div{display:flex;gap:3px;padding:3px;border:1px solid #d5dfed;border-radius:10px;background:#fff}
.tdpa-cad__toolbar button{display:flex;align-items:center;gap:5px;border:0;border-radius:7px;background:transparent;color:#415270;padding:7px 9px;font-size:14px;font-weight:850}
.tdpa-cad__toolbar button span{font-size:10px}
.tdpa-cad__toolbar button:hover:not(:disabled),.tdpa-cad__toolbar button.is-active{background:#eaf1ff;color:var(--blue)}
.tdpa-cad__toolbar button:disabled{opacity:.35;cursor:not-allowed}
.tdpa-cad__canvas-wrap{position:relative;min-height:0;overflow:hidden;background:#dfe7f1}
.tdpa-cad__canvas-wrap canvas{display:block;width:100%;height:100%;touch-action:none;outline:0}
.tdpa-cad__canvas-wrap.is-drag-over{outline:4px dashed var(--gold);outline-offset:-8px}
.tdpa-cad__loading{position:absolute;inset:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#e8eef6;color:var(--navy);font-weight:850}
.tdpa-cad__loading[hidden]{display:none!important}
.tdpa-cad__loading i{width:34px;height:34px;border:4px solid #c8d6eb;border-top-color:var(--blue);border-radius:50%;animation:tdpaCadSpin .8s linear infinite}
.tdpa-cad__loading button{border:0;border-radius:9px;background:var(--blue);color:#fff;padding:9px 15px;font-weight:850}
.tdpa-cad__loading.is-error span{color:#9d231c}
@keyframes tdpaCadSpin{to{transform:rotate(360deg)}}
.tdpa-cad__drop-hint{position:absolute;left:50%;top:50%;z-index:5;transform:translate(-50%,-50%) scale(.92);opacity:0;padding:12px 18px;border-radius:99px;background:#09265a;color:#fff;font-weight:850;pointer-events:none;transition:.15s}
.tdpa-cad__canvas-wrap.is-drag-over .tdpa-cad__drop-hint{opacity:1;transform:translate(-50%,-50%) scale(1)}
.tdpa-cad__empty-workplane{position:absolute;left:50%;top:50%;z-index:3;display:grid;place-items:center;gap:5px;min-width:270px;transform:translate(-50%,-50%);padding:22px 28px;border:2px dashed rgba(22,93,255,.32);border-radius:18px;background:rgba(255,255,255,.86);color:#536680;text-align:center;pointer-events:none;box-shadow:0 12px 30px rgba(38,71,124,.1);backdrop-filter:blur(5px)}
.tdpa-cad__empty-workplane>span{display:grid;place-items:center;width:42px;height:42px;margin-bottom:3px;border-radius:50%;background:#e9f1ff;color:var(--blue);font-size:27px;font-weight:900}
.tdpa-cad__empty-workplane strong{color:var(--navy);font-size:15px}
.tdpa-cad__empty-workplane small{font-size:10px}
.tdpa-cad__axis{position:absolute;left:14px;bottom:14px;display:flex;gap:5px;padding:6px;border-radius:9px;background:rgba(255,255,255,.88);font-size:10px;font-weight:950;pointer-events:none}
.tdpa-cad__axis span{display:grid;place-items:center;width:22px;height:22px;border-radius:6px;color:#fff}
.tdpa-cad__axis .x{background:#ef4444}.tdpa-cad__axis .y{background:#22a35a}.tdpa-cad__axis .z{background:#3b82f6}
.tdpa-cad__selection-label{position:absolute;right:14px;top:14px;padding:7px 10px;border:1px solid #e6c660;border-radius:8px;background:#fff8d6;color:#6d580c;font-size:10px;font-weight:850;pointer-events:none}
.tdpa-cad__stage-footer{min-height:44px;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:8px 14px;background:#fff;border-top:1px solid var(--line);color:#68758e;font-size:10px}
.tdpa-cad__stage-footer span:nth-child(2){text-align:center;color:#40516d}
.tdpa-cad__empty{display:grid;place-items:center;text-align:center;padding:30px 10px;color:#75829a}
.tdpa-cad__empty>span{font-size:36px;color:#a5b4cb}
.tdpa-cad__empty p{max-width:210px;font-size:11px;line-height:1.5}
.tdpa-cad__controls{display:grid;gap:13px}
.tdpa-cad__multi-controls{display:grid;gap:13px}
.tdpa-cad__multi-summary{display:grid;gap:3px;padding:11px;border:1px solid #cddcff;border-radius:10px;background:#eef5ff}
.tdpa-cad__multi-summary strong{font-size:11px;color:#204a92}
.tdpa-cad__multi-summary small{font-size:10px;line-height:1.4;color:#60718b}
.tdpa-cad__multi-controls fieldset{margin:0;padding:10px;border:1px solid #d6dfec;border-radius:10px}
.tdpa-cad__multi-controls legend{padding:0 5px;color:#465875;font-size:10px;font-weight:900}
.tdpa-cad__align-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.tdpa-cad__align-grid button,.tdpa-cad__group-actions button{border:1px solid #c9d5e5;border-radius:8px;background:#fff;color:#3d506c;padding:8px 5px;font-size:9px;font-weight:850}
.tdpa-cad__align-grid button:last-child{grid-column:1/-1}
.tdpa-cad__align-grid button:hover,.tdpa-cad__group-actions button:hover{border-color:#8ca8dd;background:#eef5ff;color:var(--blue)}
.tdpa-cad__group-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.tdpa-cad__group-actions button:disabled{opacity:.4;cursor:not-allowed}
.tdpa-cad__controls label{display:grid;gap:5px}
.tdpa-cad__controls label>span,.tdpa-cad__palette>span{font-size:10px;font-weight:850;color:#4b5c78}
.tdpa-cad__controls input{width:100%;min-width:0;border:1px solid #c8d4e5;border-radius:8px;padding:8px;color:#263956;font-weight:750}
.tdpa-cad__mode{display:grid;grid-template-columns:1fr 1fr;padding:3px;border-radius:9px;background:#e8eef7}
.tdpa-cad__mode button{border:0;border-radius:7px;background:transparent;padding:8px;color:#596b86;font-size:11px;font-weight:900}
.tdpa-cad__mode button.is-active{background:#fff;color:var(--blue);box-shadow:0 2px 7px rgba(37,64,120,.12)}
.tdpa-cad__mode button[data-mode="hole"].is-active{color:#6d3fc0;background:repeating-linear-gradient(135deg,#fff 0,#fff 5px,#eee7ff 5px,#eee7ff 10px)}
.tdpa-cad__mode-help{margin:-6px 1px 0;color:#77849a;font-size:9px;line-height:1.4}
.tdpa-cad__palette{display:grid;gap:7px}
.tdpa-cad__palette>div{display:flex;gap:8px;flex-wrap:wrap}
.tdpa-cad__palette button{width:27px;height:27px;border:3px solid #fff;border-radius:50%;background:var(--swatch);box-shadow:0 0 0 2px #d5deec}
.tdpa-cad__palette button.is-active{box-shadow:0 0 0 3px var(--navy)}
.tdpa-cad__palette.is-disabled{opacity:.4;pointer-events:none}
.tdpa-cad__controls fieldset{margin:0;padding:10px;border:1px solid #d6dfec;border-radius:10px}
.tdpa-cad__controls legend{padding:0 5px;color:#465875;font-size:10px;font-weight:900}
.tdpa-cad__controls legend small{font-weight:600;color:#8793a8}
.tdpa-cad__advanced{border:1px solid #d6dfec;border-radius:10px;background:#f9fbfe}
.tdpa-cad__advanced summary{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px;cursor:pointer;color:#465875;font-size:10px;font-weight:900;list-style:none}
.tdpa-cad__advanced summary::-webkit-details-marker{display:none}
.tdpa-cad__advanced summary::after{content:"＋";color:var(--blue);font-size:14px}
.tdpa-cad__advanced[open] summary::after{content:"−"}
.tdpa-cad__advanced summary small{margin-left:auto;padding:2px 6px;border-radius:99px;background:#eaf1ff;color:#6079a7;font-size:8px;text-transform:uppercase;letter-spacing:.04em}
.tdpa-cad__advanced-body{display:grid;gap:10px;padding:0 9px 10px}
.tdpa-cad__triple{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.tdpa-cad__triple label{position:relative}
.tdpa-cad__triple label span{position:absolute;left:7px;top:50%;transform:translateY(-50%);z-index:1;color:#8a96aa;font-size:9px}
.tdpa-cad__triple input{padding-left:20px;font-size:11px}
.tdpa-cad__object-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(68px,1fr));gap:6px}
.tdpa-cad__object-actions button{border:1px solid #c9d5e5;border-radius:8px;background:#fff;color:#3d506c;padding:8px 5px;font-size:10px;font-weight:850}
.tdpa-cad__object-actions button.is-danger{border-color:#efb8b4;background:#fff8f7;color:#b42318}
.tdpa-cad__model-check{margin-top:18px;padding:11px;border:1px solid #d6dfec;border-radius:11px;background:#f8fafd}
.tdpa-cad__model-check>div{display:flex;justify-content:space-between;gap:10px;align-items:center}
.tdpa-cad__model-check strong{font-size:11px;color:#3e506c}
.tdpa-cad__model-check span{padding:3px 7px;border-radius:99px;background:#e8edf5;color:#6d7890;font-size:9px;font-weight:850}
.tdpa-cad__model-check span.is-good{background:#e4f7ec;color:#087443}.tdpa-cad__model-check span.is-warning{background:#fff0cf;color:#915d08}
.tdpa-cad__model-check p{margin:7px 0 0;color:#68758e;font-size:10px;line-height:1.45}
.tdpa-cad__dialog{width:min(480px,calc(100% - 30px));border:0;border-radius:18px;padding:25px;color:var(--navy);box-shadow:0 30px 90px rgba(0,0,0,.28)}
.tdpa-cad__dialog::backdrop{background:rgba(4,14,38,.65)}
.tdpa-cad__dialog h3{margin:0 0 5px}.tdpa-cad__dialog p{color:#697791;font-size:12px}
.tdpa-cad__dialog-close{position:absolute;right:12px;top:8px;border:0;background:transparent;font-size:26px}
.tdpa-cad__project-list{display:grid;gap:8px;margin-top:15px}
.tdpa-cad__project-list button{display:flex;justify-content:space-between;gap:12px;border:1px solid #d3ddeb;border-radius:10px;background:#f9fbfe;padding:11px;text-align:left;color:#334765;font-weight:800}
.tdpa-cad__project-list button small{font-weight:600;color:#7a879d}
.tdpa-cad__dialog progress{width:100%}
@media(max-width:1100px){.tdpa-cad__workspace{grid-template-columns:190px minmax(0,1fr) 250px}.tdpa-cad__toolbar button span{display:none}.tdpa-cad__shape-grid button>.tdpa-cad__shape-preview.is-rendered{width:62px;height:62px}}
@media(max-width:860px){.tdpa-cad__topbar{grid-template-columns:1fr auto}.tdpa-cad__project-name{grid-column:1/-1;grid-row:2}.tdpa-cad__workspace{grid-template-columns:1fr;height:auto}.tdpa-cad__library,.tdpa-cad__inspector{border:0;overflow:visible}.tdpa-cad__library{border-bottom:1px solid var(--line)}.tdpa-cad__inspector{border-top:1px solid var(--line)}.tdpa-cad__shape-grid{grid-template-columns:repeat(6,1fr)}.tdpa-cad__shape-grid button{min-height:76px}.tdpa-cad__canvas-wrap{height:520px}}
@media(max-width:620px){.tdpa-cad{width:100%;margin:0;border-radius:0}.tdpa-cad__topbar{gap:10px}.tdpa-cad__file-actions{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr)}.tdpa-cad__file-actions button{padding:8px 4px}.tdpa-cad__shape-grid{grid-template-columns:repeat(3,1fr)}.tdpa-cad__canvas-wrap{height:430px}.tdpa-cad__toolbar{justify-content:flex-start;overflow-x:auto}.tdpa-cad__stage-footer{grid-template-columns:1fr}.tdpa-cad__stage-footer span{text-align:center!important}}