:root{color-scheme:light;--ink:#13253d;--soft:#61738d;--line:#dce6f1;--blue:#2179ee;--navy:#163653;--bg:#f5f8fd;--radius:20px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:linear-gradient(180deg,#f8fbff,#f1f7ff 46%,#fff)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}:focus-visible{outline:3px solid #4595ff;outline-offset:3px}.shell{width:min(1350px,calc(100% - 48px));margin:auto}.skip{position:absolute;top:-70px;left:12px;background:var(--blue);color:#fff;padding:10px;z-index:50}.skip:focus{top:6px}.topbar{background:rgba(255,255,255,.9);border-bottom:1px solid #e6edf7;position:relative;z-index:3}.nav{height:74px;display:flex;align-items:center;gap:35px}.brand{display:flex;align-items:center;gap:9px;font-size:21px;letter-spacing:-.8px}.brandmark{background:#e8f3ff;border:1px solid #d4e9ff;color:#2785e9;width:37px;height:37px;display:grid;place-items:center;font-weight:900;border-radius:11px}.brand strong span{color:var(--blue)}.nav nav{display:flex;gap:25px;color:#566881;font-size:13px;font-weight:650}.privacy{margin-left:auto;color:#57748d;font-size:12px;font-weight:650;white-space:nowrap}.live-dot{background:#25ad83;width:8px;height:8px;display:inline-block;border-radius:99px;margin-right:7px}.crumbs{font-size:12px;color:#8594a8;display:flex;gap:10px;margin:24px 0 30px}.hero{text-align:center;padding:14px 0 39px}.eyebrow{color:#3679b6;font-size:11px;font-weight:800;letter-spacing:2px}.eyebrow span{border-radius:99px;padding:6px 12px;background:#e5f2ff;color:#287dde;margin-left:12px;letter-spacing:0}.hero h1{font-weight:800;font-size:clamp(36px,4.4vw,65px);letter-spacing:-2.9px;line-height:1.07;margin:18px 0}.hero h1 em{color:var(--blue);font-style:normal}.hero p{max-width:700px;color:#64748b;font-size:16px;line-height:1.7;margin:0 auto}.hero-tags{margin-top:23px;display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.hero-tags span{border:1px solid #dce8f4;color:#58728a;background:#fff;font-size:12px;border-radius:99px;padding:8px 13px}.studio{border:1px solid #dbe6f2;background:#fff;border-radius:25px;box-shadow:0 19px 75px rgba(29,71,116,.08);overflow:hidden;margin-bottom:58px}.studio-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:25px 30px;border-bottom:1px solid #e8edf5;background:linear-gradient(105deg,#fff,#f7faff)}.studio-head small{color:#6d95b6;font-size:10px;letter-spacing:2px;font-weight:800}.studio-head h2{font-size:23px;letter-spacing:-.7px;margin:8px 0 4px}.tag{vertical-align:middle;font-size:10px;font-weight:800;color:#1d6fc4;background:#e3f1ff;padding:6px 10px;border-radius:7px;letter-spacing:0;margin-left:8px}.studio-head p{margin:0;color:#72839a;font-size:13px}.head-actions{display:flex;gap:9px;flex-wrap:wrap}.btn{min-height:41px;padding:10px 15px;border-radius:11px;border:1px solid #d9e6f1;background:#fff;color:#324b65;font-weight:700;font-size:12px;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn:hover:not(:disabled){border-color:#8cbef2;background:#edf7ff}.btn.primary{background:linear-gradient(130deg,#1887ee,#296bd8);border-color:#167be0;color:#fff;box-shadow:0 5px 14px #2482e62b}.btn.primary:hover:not(:disabled){filter:brightness(.97)}.btn.subtle{background:#f5f8fc}.workspace{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(286px,.9fr);gap:20px;padding:22px;background:#f8fbff}.primary{min-width:0;display:grid;gap:18px;align-content:start}.sidebar{min-width:0;display:grid;gap:18px;align-content:start}.card,.panel{background:#fff;border:1px solid #dfe8f2;border-radius:17px;overflow:hidden;box-shadow:0 3px 12px #133f6b08}.card-title{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;gap:12px}.card-title>div:first-child{display:flex;align-items:center;gap:12px}.letter,.step{width:28px;height:28px;display:grid;place-items:center;border:1px solid #d7eaff;background:#edf6ff;color:#3685cc;border-radius:9px;font-weight:850;font-size:11px;flex-shrink:0}.card-title strong{display:block;font-size:14px;letter-spacing:-.2px}.card-title small{color:#8091a4;font-size:11px;display:block;margin-top:4px}.pill,.status-chip{background:#ecf5ff;color:#277abf;font-size:11px;border-radius:99px;padding:7px 10px;font-weight:700;white-space:nowrap}.stage-wrap{margin:0 19px;position:relative;aspect-ratio:16/9;border-radius:14px;background:radial-gradient(circle at 50% 27%,#23466d,#101b30 75%);overflow:hidden}.stage-wrap canvas{display:block;width:100%;height:100%;object-fit:contain}.stage-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;text-align:center;color:#eef6ff;padding:20px}.empty-symbol{display:grid;place-items:center;width:58px;height:58px;border-radius:20px;border:1px solid #6385ac88;background:#95bcea13;font-size:38px}.stage-empty strong{font-size:19px}.stage-empty p{color:#b4c7df;font-size:12px;margin:0 0 6px}.stage-empty span{font-size:11px;color:#91a8c4;margin-top:5px}.stage-busy{position:absolute;right:14px;top:14px;background:#122944e0;color:#fff;font-size:11px;padding:7px 10px;border-radius:9px}.stage-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 20px 7px}.transport{display:flex;align-items:center;gap:6px}.square{border:1px solid #dce7f1;border-radius:9px;background:#f4f9ff;width:32px;height:31px;color:#3c6590;font-size:22px;line-height:1}.time{font-size:12px;color:#536b82;margin-left:9px;font-variant-numeric:tabular-nums}.subtle-text{font-size:11px;color:#8696a8}#scrubber{width:calc(100% - 44px);margin:6px 22px 8px;accent-color:var(--blue)}.toolbar{display:flex;gap:14px;padding:14px 20px 18px;border-top:1px solid #ecf0f6;flex-wrap:wrap}.check{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:650;color:#50647b}.check input{accent-color:var(--blue)}.analysis-card,.results-card{padding-bottom:18px}.analysis-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;padding:0 22px}.analysis-grid label,.panel>label{display:block;color:#4f6681;font-size:11px;font-weight:750}.analysis-grid select,.panel select{width:100%;height:40px;margin-top:7px;border-radius:9px;border:1px solid #d5e1ed;color:#2e425c;background:#fbfdff;padding:0 10px;font-size:12px}.fine,.hint{color:#75879d;font-size:11px;line-height:1.65}.analysis-card .hint{margin:15px 22px 0}.analysis-actions{display:flex;gap:9px;flex-wrap:wrap;margin:17px 22px 0}.analysis-actions .btn.primary{min-width:155px}.analysis-card .fine{margin:12px 22px 0}.panel{padding:21px}.panel-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:22px}.panel-heading h3{margin:0 0 4px;font-size:15px}.panel-heading p{margin:0;color:#8494a6;font-size:11px;line-height:1.5}.panel>label{margin-bottom:16px}.trail-note{font-size:11px;color:#6883a0;background:#f1f7fd;padding:12px;border-radius:11px;line-height:1.6}.angles{margin-top:22px;padding:17px 0;border-top:1px solid #eef2f7}.angles>strong{font-size:12px;display:block}.angles>strong span{font-weight:500;color:#97a5b3;font-size:10px;float:right}.angles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px;margin-top:14px}.angles-grid>div{border:1px solid #edf1f7;border-radius:11px;padding:12px}.angles-grid small{display:block;color:#7c8da3;font-size:10px}.angles-grid b{display:block;color:#2577cd;font-size:20px;margin-top:7px}.panel .fine{margin:0}.export-grid{display:grid;gap:9px}.export-btn{display:block;width:100%;text-align:left;padding:11px 13px;background:#f8fbff;border:1px solid #e2ebf4;border-radius:10px;color:#2e5170}.export-btn:hover:not(:disabled){background:#edf6ff;border-color:#a1c9ed}.export-btn b{font-size:12px;display:block}.export-btn small{display:block;font-size:10px;color:#8190a4;margin-top:4px}.note-panel h3{font-size:14px;margin:0 0 16px}.note-item{display:flex;gap:10px;margin-bottom:13px}.note-item>span{font-size:11px;color:#3c91d5;font-weight:900}.note-item p{font-size:11px;color:#71849c;line-height:1.55;margin:0}.note-item b{color:#354b65}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 20px 19px}.stats>div{background:#f6faff;padding:13px;border:1px solid #edf2f7;border-radius:12px}.stats small,.stats span{display:block;color:#7c8da1;font-size:10px}.stats b{display:block;font-size:22px;color:#287bd2;margin:6px 0 4px}.table-header{display:flex;justify-content:space-between;align-items:center;margin:0 22px 10px;gap:10px}.table-header h3{font-size:12px;margin:0}.table-header span{font-size:10px;color:#8797a9}.table-scroller{overflow:auto;max-height:320px;margin:0 20px;border:1px solid #e5edf5;border-radius:11px}table{width:100%;border-collapse:collapse;font-size:11px}th{text-align:left;color:#8091a8;background:#f5f9fd;position:sticky;top:0}td,th{padding:10px 13px;border-bottom:1px solid #edf2f7;font-variant-numeric:tabular-nums}td:first-child{font-weight:600}.empty-row{text-align:center;color:#93a1b3;padding:25px}.results-card>.hint{margin:11px 22px 0}.message{background:#fff;color:#637892;border-top:1px solid #e4ebf3;padding:14px 24px;font-size:12px;min-height:47px}.message.error{color:#b1344a;background:#fff5f6}.message.success{color:#117d5a}.below{text-align:center;padding:5px 0 55px}.below h2,.faq h2{font-size:31px;letter-spacing:-1px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;text-align:left;margin-top:25px}.feature-grid article{padding:24px;background:#fff;border-radius:17px;border:1px solid #e4ebf4}.feature-grid article>span{font-size:23px;color:var(--blue)}.feature-grid h3{font-size:15px}.feature-grid p{color:#7c8ca2;font-size:12px;line-height:1.65}.faq{max-width:870px;margin:0 auto 75px}.faq h2{text-align:center}.faq details{border-bottom:1px solid #dce7f1;padding:17px 0}.faq summary{font-weight:700;cursor:pointer;font-size:14px}.faq p{font-size:12px;color:#71869f;line-height:1.7}.foot{border-top:1px solid #e5eaf0;padding:25px 0;display:flex;justify-content:space-between;color:#8290a2;font-size:12px}.processing[hidden],[hidden]{display:none!important}.processing{position:fixed;inset:0;z-index:40;background:#0c233d99;display:grid;place-items:center;padding:20px;backdrop-filter:blur(5px)}.processing-inner{width:min(410px,100%);background:#fff;text-align:center;border-radius:20px;padding:30px;box-shadow:0 23px 90px #14294755}.spinner{margin:0 auto 15px;border:4px solid #e8f1fb;border-top-color:#2386e8;width:39px;height:39px;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.processing h2{font-size:18px}.processing p{font-size:12px;color:#6b7f94;line-height:1.6}.progress-track{height:7px;background:#ebf2fa;border-radius:30px;overflow:hidden;margin:17px 0}#progress-bar{height:100%;width:0%;background:#2b8de8;transition:width .1s}@media(max-width:1020px){.workspace{grid-template-columns:1fr}.sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}.note-panel{grid-column:1/-1}}@media(max-width:680px){.shell{width:min(100% - 24px,1350px)}.nav{height:61px;gap:16px}.nav nav{gap:10px;font-size:11px}.nav nav a:nth-child(3){display:none}.privacy{display:none}.hero{padding:10px 0 28px}.hero h1{letter-spacing:-1.5px}.hero p{font-size:13px}.studio-head{padding:20px;display:block}.studio-head h2{font-size:19px}.head-actions{margin-top:15px}.workspace{padding:12px;gap:12px}.sidebar{grid-template-columns:1fr;gap:12px}.card-title{padding:15px}.stage-wrap{margin:0 12px}.toolbar{gap:9px;padding:12px}.analysis-grid{padding:0 15px;gap:11px}.card-title small{font-size:10px}.analysis-actions{margin:15px}.analysis-card .fine,.analysis-card .hint{margin-left:15px;margin-right:15px}.stats{margin:0 12px 15px}.stats>div{padding:10px}.stats b{font-size:19px}.table-scroller{margin:0 12px}.stage-bottom{padding:10px 12px}.feature-grid{grid-template-columns:1fr}.below h2,.faq h2{font-size:25px}.foot{gap:12px;flex-wrap:wrap}}@media(max-width:390px){.analysis-grid{grid-template-columns:1fr}.hero-tags span{font-size:10px}.stage-bottom{flex-wrap:wrap}.card-title{align-items:flex-start}.card-title .status-chip{font-size:9px}.nav nav a:nth-child(2){display:none}}.export-range{padding:14px;margin:0 0 13px;border:1px solid #e1eaf5;border-radius:12px;background:#f8fbff}.export-range>strong{font-size:12px;color:#324d70}.export-range .fine{margin:7px 0;color:#60758e}.range-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.range-fields label{font-size:11px;font-weight:700;color:#4f6681;min-width:0}.range-fields input{width:100%;height:38px;margin-top:6px;border:1px solid #d1deed;border-radius:9px;padding:0 9px;background:#fff;color:#1b3554}#range-note{font-variant-numeric:tabular-nums}.range-invalid{color:#ad3949!important;font-weight:700}.angle-history{border-top:1px solid #e9eff6;margin-top:15px;padding-top:15px}.angle-history-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:#354b65}.angle-history-head span{font-size:10px;color:#8294a7}#angle-chart{display:block;width:100%;height:auto;max-width:100%;border:1px solid #e4edf7;border-radius:9px;cursor:crosshair;margin:10px 0}.angle-legend{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:10px;color:#5e7895;margin:10px 0}.angle-legend span{display:inline-flex;align-items:center;gap:5px}.angle-legend i{display:inline-block;width:9px;height:9px;border-radius:50%}#quality-summary{font-size:11px;padding:10px;border-radius:9px;background:#f2f8ff;line-height:1.55}#angle-chart:focus-visible{outline:3px solid #338fe8;outline-offset:3px}