:root{color-scheme:dark;--navy-950: #050f1f;--navy-900: #08162b;--navy-800: #0e2340;--navy-700: #142d52;--navy-600: #1d3a63;--navy-400: #3a5a86;--lime: #b6e92b;--lime-strong: #c9f54a;--lime-soft: rgb(182 233 43 / .14);--text: #eef4fb;--muted: #8fa6c4;--danger: #ff6a5c;--danger-soft: rgb(255 106 92 / .14);--warning: #ffd23f;--warning-soft: rgb(255 210 63 / .12);--info: #6cc4ff;--info-soft: rgb(108 196 255 / .12);--point-impact: #ffffff;--point-apex: #b6e92b;--point-landing: #ffd23f;--radius-sm: 8px;--radius: 12px;--radius-lg: 18px;--gap: 16px;--sidebar-w: 248px;--panel-w: 340px;--font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--shadow: 0 10px 30px rgb(0 0 0 / .35);--focus: 0 0 0 3px var(--navy-900), 0 0 0 5px var(--lime)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:radial-gradient(1200px 600px at 80% -10%,rgb(182 233 43 / .07),transparent 60%),var(--navy-900);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}h1{font-size:1.4rem;font-weight:800;letter-spacing:-.01em}h2{font-size:1rem;font-weight:750}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}img{max-width:100%;display:block}:focus-visible{outline:none;box-shadow:var(--focus)}.muted{color:var(--muted)}.small{font-size:.83rem}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.vi{font-weight:500;opacity:.8}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;left:12px;top:-48px;z-index:100;background:var(--lime);color:var(--navy-900);padding:8px 14px;border-radius:var(--radius-sm);font-weight:700}.skip-link:focus{top:12px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.layout{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:20px;padding:20px 16px;background:#050f1fb3;border-right:1px solid var(--navy-600)}.brand{background:#fff;border-radius:var(--radius);padding:10px 12px 8px}.brand-logo{width:100%;height:auto}.brand-tag{margin-top:2px;text-align:center;font-size:.58rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--navy-700)}.nav-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}.sidebar-foot{margin-top:auto;display:grid;gap:10px}.main-col{min-width:0;display:flex;flex-direction:column}.topbar{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:12px 20px;padding:18px 24px 14px;border-bottom:1px solid var(--navy-600)}.project-title{min-width:0;flex:1 1 260px}.actions{display:flex;flex-wrap:wrap;gap:8px}.notice-slot{padding:0 24px}.content{padding:20px 24px 32px;outline:none}.editor{display:grid;grid-template-columns:minmax(0,1fr) var(--panel-w);gap:var(--gap);align-items:start}.editor-main{display:grid;gap:12px;min-width:0}.editor-panel{display:grid;gap:12px;position:sticky;top:16px}@media(max-width:1099px){.layout{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;flex-wrap:wrap;gap:12px;padding:12px 16px;border-right:0;border-bottom:1px solid var(--navy-600)}.brand{width:150px;padding:6px 8px}.brand-tag,.sidebar-foot{display:none}.sidebar nav{order:2}.nav-list{display:flex}.sidebar .new-project{order:3;width:auto;margin-left:auto}.editor{grid-template-columns:1fr}.editor-panel{position:static;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.editor-panel>.panel-disabled-note{grid-column:1 / -1}}@media(max-width:719px){.sidebar{padding:10px 16px}.brand{width:112px}.sidebar nav{order:4;width:100%}.nav-list{display:grid;grid-template-columns:1fr 1fr}.nav-item .vi,.new-project .vi{display:none}.topbar{padding:14px 16px 10px}.actions{position:fixed;z-index:40;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:8px 8px calc(8px + env(safe-area-inset-bottom));background:#050f1ff5;border-top:1px solid var(--navy-600);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.actions .btn{flex-direction:column;gap:2px;min-height:56px;padding:6px 4px;font-size:.7rem;line-height:1.15;text-align:center}.actions .btn .vi{display:block;font-size:.64rem}.actions .tag{font-size:.55rem;padding:1px 4px}.notice-slot{padding:0 16px}.content{padding:14px 16px calc(96px + env(safe-area-inset-bottom))}.editor-panel{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid transparent;background:transparent;font-weight:700;font-size:.9rem;white-space:normal;transition:background .15s,border-color .15s,opacity .15s}.btn:disabled{opacity:.45}.btn-primary{background:var(--lime);color:var(--navy-900)}.btn-primary:not(:disabled):hover{background:var(--lime-strong)}.btn-secondary{border-color:var(--lime);color:var(--lime)}.btn-secondary:not(:disabled):hover{background:var(--lime-soft)}.btn-ghost{color:var(--text);border-color:var(--navy-600)}.btn-ghost:not(:disabled):hover{background:var(--navy-700)}.btn-ghost.danger:not(:disabled):hover{color:var(--danger);border-color:var(--danger)}.btn-icon{width:42px;padding:0;flex:none}.btn-block{width:100%}.btn-lg{min-height:52px;padding:12px 22px;font-size:1rem}.tag{display:inline-block;padding:2px 7px;border-radius:999px;border:1px solid var(--warning);color:var(--warning);font-size:.68rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap}.badge{margin-left:auto;min-width:26px;padding:1px 8px;border-radius:999px;background:var(--navy-600);color:var(--text);font-size:.75rem;font-weight:700;text-align:center}.new-project{justify-content:flex-start;text-align:left;line-height:1.2}.new-project .vi{display:block;font-size:.8rem}.nav-item{display:flex;align-items:center;gap:10px;width:100%;min-height:44px;padding:8px 12px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--muted);font-weight:650;text-align:left}.nav-item:hover{color:var(--text);background:var(--navy-800)}.nav-item.is-active{color:var(--lime);background:var(--lime-soft);border-color:#b6e92b59}.roadmap-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--navy-800);font-size:.82rem;font-weight:650}.eyebrow{display:block;color:var(--muted);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.project-name{width:100%;max-width:520px;margin:2px 0 4px -8px;padding:4px 8px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;font-size:1.45rem;font-weight:800}.project-name:hover{border-color:var(--navy-600)}.project-name:focus-visible{background:var(--navy-800)}.save-state{display:flex;align-items:center;flex-wrap:wrap;gap:6px;color:var(--lime)}.save-state .dot{width:8px;height:8px;border-radius:50%;background:currentColor}.save-state.is-dirty{color:var(--warning)}.card{background:var(--navy-800);border:1px solid var(--navy-600);border-radius:var(--radius)}.notice{display:flex;align-items:center;gap:10px;margin-top:12px;padding:8px 8px 8px 14px;border-radius:var(--radius-sm);border:1px solid;font-size:.9rem}.notice p{flex:1}.notice.static{margin:12px 24px 0;padding:10px 14px}.notice-success{color:var(--lime);border-color:#b6e92b80;background:var(--lime-soft)}.notice-error{color:#ffb3ab;border-color:var(--danger);background:var(--danger-soft)}.notice-warning{color:var(--warning);border-color:#ffd23f8c;background:var(--warning-soft)}.notice-info{color:var(--info);border-color:#6cc4ff73;background:var(--info-soft)}.notice .btn-icon{width:34px;min-height:34px;border:0;color:inherit}.inline-warning{display:flex;gap:6px;align-items:flex-start;color:var(--warning)}.inline-warning svg{margin-top:3px;flex:none}.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--navy-600);border-top-color:var(--lime);animation:spin .8s linear infinite}.spinner-sm{width:16px;height:16px;border-width:2px}@keyframes spin{to{transform:rotate(360deg)}}.stage{--stage-max-h: min(62vh, 720px);display:flex;align-items:center;justify-content:center;min-height:300px;padding:12px;border-radius:var(--radius-lg);background:var(--navy-950);border:1px solid var(--navy-600);box-shadow:var(--shadow)}.stage-frame{position:relative;width:min(100%,calc(var(--stage-max-h) * var(--ar, 1.7778)));margin:0 auto;overflow:hidden;border-radius:var(--radius-sm);background:#000;user-select:none;-webkit-user-select:none}.stage-frame.is-placing{cursor:crosshair}.stage-frame video{display:block;width:100%;height:100%;object-fit:fill}.arc-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.handle{position:absolute;z-index:2;width:32px;height:32px;transform:translate(-50%,-50%);display:grid;place-items:center;padding:0;border-radius:50%;border:3px solid var(--navy-900);font-size:.78rem;font-weight:900;color:var(--navy-900);touch-action:none;cursor:grab;box-shadow:0 2px 10px #00000080}.handle:after{content:"";position:absolute;inset:-8px;border-radius:50%}.handle.is-dragging{cursor:grabbing;transform:translate(-50%,-50%) scale(1.15)}.handle-impact{background:var(--point-impact)}.handle-apex{background:var(--point-apex)}.handle-landing{background:var(--point-landing)}.stage-hint{position:absolute;left:50%;bottom:10px;transform:translate(-50%);max-width:calc(100% - 20px);padding:6px 12px;border-radius:999px;background:#050f1fd9;font-size:.8rem;text-align:center;pointer-events:none}.stage-hint strong{color:var(--lime)}.stage-loading{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:12px;background:#050f1fcc}.stage-placeholder{width:100%}.placeholder{display:grid;justify-items:center;gap:12px;max-width:520px;margin:0 auto;padding:36px 12px;text-align:center}.placeholder-art{width:160px;color:var(--lime);fill:var(--lime)}.placeholder-error{color:#ffb3ab}.placeholder-error svg{color:var(--danger)}.placeholder-warning svg{color:var(--warning)}.remove-video{justify-self:start}.timeline{display:grid;gap:10px;padding:12px}.timeline-row{display:flex;align-items:center;gap:12px}.timeline-actions{flex-wrap:wrap;gap:8px}.scrubber{position:relative;flex:1;display:grid;align-items:center}.scrubber-track{position:absolute;left:0;right:0;top:50%;height:0;pointer-events:none}.scrubber-flight{position:absolute;top:-9px;height:18px;border-radius:4px;background:var(--lime-soft);border:1px dashed rgb(182 233 43 / .6)}.scrubber-impact{position:absolute;top:-13px;width:3px;height:26px;margin-left:-1.5px;border-radius:2px;background:var(--lime)}.time{font-size:.8rem;color:var(--muted);white-space:nowrap}input[type=range]{width:100%;height:28px;margin:0;background:transparent;accent-color:var(--lime);position:relative}input[type=range]:disabled{opacity:.4}.panel-section{display:grid;gap:12px;padding:16px;align-content:start}.panel-section h2 .vi,.section-head h1 .vi{color:var(--muted)}.section-head{display:flex;align-items:center;gap:10px}.panel-disabled-note{padding:10px 12px;border-radius:var(--radius-sm);border:1px dashed var(--navy-400);color:var(--muted)}.point-list{display:grid;gap:6px}.point-btn{display:flex;align-items:center;gap:10px;min-height:52px;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid var(--navy-600);background:var(--navy-900);text-align:left}.point-btn:not(:disabled):hover{border-color:var(--navy-400)}.point-btn.is-active{border-color:var(--lime);background:var(--lime-soft)}.point-btn:disabled{opacity:.5}.point-dot{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;color:var(--navy-900);font-size:.72rem;font-weight:900}.point-impact .point-dot{background:var(--point-impact)}.point-apex .point-dot{background:var(--point-apex)}.point-landing .point-dot{background:var(--point-landing)}.point-text{display:grid;flex:1;line-height:1.25}.point-text span{color:var(--muted);font-size:.8rem}.point-state{color:var(--muted)}.field{display:grid;gap:4px;margin:0;padding:0;border:0;min-width:0}.field legend,.field label{font-size:.86rem;font-weight:650;padding:0;margin-bottom:4px}.field-head{display:flex;justify-content:space-between;align-items:baseline}.field-head label{margin:0}.field output{color:var(--lime);font-size:.82rem}.swatches{display:flex;flex-wrap:wrap;gap:8px}.swatch{position:relative;width:36px;height:36px;padding:0;border-radius:50%;border:2px solid var(--navy-600)}.swatch.is-active{box-shadow:0 0 0 2px var(--navy-800),0 0 0 4px var(--text)}.swatch:focus-visible{box-shadow:var(--focus)}.swatch-custom{overflow:hidden;background:conic-gradient(#ff5a4e,#ffd23f,#b6e92b,#3fc8ff,#8a6cff,#ff5a4e);cursor:pointer}.swatch-custom:focus-within{box-shadow:var(--focus)}.swatch-custom input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:var(--radius-sm);background:var(--navy-900);border:1px solid var(--navy-600)}.segmented button{min-height:38px;padding:6px 8px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:.82rem;font-weight:700}.segmented button.is-active{background:var(--lime);color:var(--navy-900)}.segmented button:disabled{opacity:.45}.projects{display:grid;gap:14px;max-width:900px}.project-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.project-item{display:flex;align-items:center;gap:14px;padding:14px 16px}.project-item.is-current{border-color:var(--lime)}.project-swatch{flex:none;width:10px;align-self:stretch;border-radius:999px}.project-info{flex:1;min-width:0}.project-info p{overflow-wrap:anywhere}.project-actions{display:flex;gap:8px}.empty-state{display:grid;justify-items:center;gap:12px;padding:36px 16px;text-align:center;color:var(--muted)}@media(max-width:719px){.project-item{flex-wrap:wrap}.project-actions{width:100%}.project-actions .btn-secondary{flex:1}.stage{--stage-max-h: 58vh;min-height:220px;padding:6px}.project-name{font-size:1.2rem}}.unsupported{min-height:100vh;display:grid;place-items:center;padding:16px}.unsupported-card{max-width:520px;display:grid;gap:14px;padding:24px}.unsupported-card .brand{width:200px}