/* Neutral glass transport: inset track, machined thumb, raised controls. */
:root{--timeline-height:110px}
body .comparison{bottom:calc(var(--timeline-height) + 24px)}
body .lane:first-child{border-color:#e7e7e7}
body .comparison.no-divider .lane:first-child{border-color:transparent}
body .lane:first-child .phone-shell{left:calc(100% - var(--phone-gap)/2 - var(--phone-width)/2)}
body .lane:last-child .phone-shell{left:calc(var(--phone-gap)/2 + var(--phone-width)/2)}
body .timeline{inset:auto 12px 12px;height:var(--timeline-height);gap:0;padding:0 18px;border:1px solid #fff;border-radius:24px;background:linear-gradient(150deg,#ffffffed,#f6f6f6d9);box-shadow:inset 0 1px 0 #fff,inset 0 -1px 1px #0000000c,0 0 0 1px #00000009,0 6px 20px #0000000b;backdrop-filter:blur(20px);color:#222}
body .timeline-seek{order:1;flex:1;min-width:0;margin:0 22px}
body .timeline-seek .scrub-wrap{margin:0 7px;width:calc(100% - 14px);height:26px}
body .timeline-seek .scrub-track{top:10px;height:6px;border-radius:8px;background:linear-gradient(#d2d2d2,#ededed);box-shadow:inset 0 1px 2px #00000026,0 1px 0 #fff;overflow:hidden}
body .timeline #scrub-fill{background:linear-gradient(#444,#171717);height:100%;border-radius:8px}
body .timeline-seek #scrubber{height:26px;touch-action:none}
body .timeline-seek #playhead{top:4px;width:13px;height:18px;margin-left:-5px;border:1px solid #bcbcbc;border-radius:5px;background:linear-gradient(90deg,#f3f3f3,#fff 40%,#e4e4e4);box-shadow:inset 0 1px 0 #fff,0 1px 3px #0000003b;z-index:1}
body .timeline-seek #playhead:after{content:'';position:absolute;inset:4px 4px;border-left:1px solid #888;border-right:1px solid #d2d2d2}
body .timeline .scrub-wrap:focus-within{outline:2px solid #333;outline-offset:2px}
.tick-lines{background:repeating-linear-gradient(to right,transparent 0,transparent calc(var(--scene-width,16.666%) - 2px),#ffffffbc calc(var(--scene-width,16.666%) - 2px),#ffffffbc var(--scene-width,16.666%))}
.scene-sections{position:relative;display:grid;grid-template-columns:repeat(var(--scene-count,6),minmax(0,1fr));gap:4px;padding:3px 0;overflow-x:auto;scrollbar-width:none}
.scene-sections::-webkit-scrollbar{display:none}
.scene-section{min-width:0;min-height:48px;border:1px solid transparent;border-radius:10px;background:transparent;text-align:left;padding:6px 8px;color:#656565;font:11px/1.25 Selecta,sans-serif;transition:none;cursor:pointer}
.scene-section small{display:block;font-size:9px;font-variant-numeric:tabular-nums;color:#777;margin-bottom:4px}
.scene-section span{display:block;overflow-wrap:break-word}
.scene-section[aria-current=step]{background:linear-gradient(#ffffffed,#e9e9e9bd);border-color:#fff;color:#161616;box-shadow:inset 0 -1px 1px #0000000b,0 1px 3px #00000012}
.scene-section[aria-current=step] small{color:#555}
.scene-section:focus-visible{outline:2px solid #333;outline-offset:-2px}
.scene-section:active{background:#e4e4e4;box-shadow:inset 0 1px 3px #0000001c;transform:none}
body .timeline .play-button{width:40px;height:40px;flex:none;position:relative;background:linear-gradient(#454545,#171717);border:1px solid #171717;box-shadow:inset 0 1px 1px #ffffff5c,0 2px 4px #00000026,0 0 0 3px #ffffff9c;color:#fff;cursor:pointer;touch-action:manipulation}
.play-button svg{width:22px;height:22px;fill:currentColor;position:absolute;inset:8px}
.play-button .pause-glyph,.play-button.is-playing .play-glyph{display:none}.play-button.is-playing .pause-glyph{display:block}
body .timeline .play-button:active{background:#171717;box-shadow:inset 0 2px 4px #0009,0 0 0 3px #fff}
body .timeline .play-button:disabled{opacity:.45;cursor:wait}
body .timeline .icon-button{color:#555;cursor:pointer}
body .timeline .story-select,body .timeline #speed{color:#333;background:linear-gradient(#fff,#efefef);border:1px solid #e0e0e0;border-radius:12px;box-shadow:inset 0 1px 0 #fff,0 1px 2px #00000008}
body .timeline .story-select{max-width:140px}
body .timeline #timecode{font-variant-numeric:tabular-nums;white-space:nowrap;min-width:106px;color:#222}
body .timeline #timecode span{color:#777}.time-fraction{font-size:.9em}
body .timeline :is(button,select,input):focus-visible{outline:2px solid #222;outline-offset:3px}
.composition-toggle{display:flex;align-items:center;justify-content:center;gap:7px;padding:8px 10px;height:36px;border:1px solid #ddd;border-radius:12px;background:linear-gradient(#fff,#f0f0f0);color:#333;font:12px Selecta,sans-serif;cursor:pointer;box-shadow:inset 0 1px 0 #fff,0 1px 2px #00000009}
.composition-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5}
.composition-toggle:active{background:#e5e5e5}
.composition-panel{position:fixed;inset:auto 24px calc(var(--timeline-height) + 36px) auto;margin:0;width:300px;max-width:calc(100vw - 32px);padding:22px;border:1px solid #fff;border-radius:24px;background:linear-gradient(140deg,#fffffff5,#f3f3f3ed);backdrop-filter:blur(20px);box-shadow:0 0 0 1px #0000000d,0 14px 40px #0000001c;color:#222;font:13px/1.4 Selecta,sans-serif;box-sizing:border-box}
.composition-panel::backdrop{background:transparent}
.composition-panel header{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}
.composition-panel h2{font:500 20px/1.2 Selecta,sans-serif;margin:0;letter-spacing:-.4px}
.composition-panel header button{width:32px;height:32px;border:0;border-radius:50%;background:#e9e9e9;color:#555;font-size:24px;cursor:pointer}
.composition-panel label{display:flex;justify-content:space-between;align-items:center;gap:12px}
.composition-panel output{font-variant-numeric:tabular-nums;color:#666}
.composition-panel input[type=range]{width:100%;height:32px;margin:10px 0 20px;accent-color:#222;cursor:ew-resize}
.composition-panel input[type=checkbox]{width:18px;height:18px;accent-color:#222}
.composition-panel .divider-control{margin:0 0 24px}
#composition-reset{min-height:40px;width:100%;background:#fff;border:1px solid #d8d8d8;border-radius:12px;color:#333;font:13px Selecta,sans-serif;cursor:pointer}
.composition-panel :focus-visible{outline:2px solid #222;outline-offset:3px}
body .editor .button-studio{bottom:calc(var(--timeline-height) + 34px + env(safe-area-inset-bottom))}
@media(hover:hover) and (pointer:fine){.scene-section:hover{background:#ffffffbf;color:#222}.composition-toggle:hover{background:#fff}}
@media(max-width:1200px){.composition-toggle span{display:none}}
@media(max-width:1050px){
 :root{--timeline-height:148px}
 body .timeline{display:grid;grid-template-columns:1fr auto;grid-template-rows:44px 1fr;padding:8px 14px 9px;align-items:center}
 body .transport-left{grid-column:1;grid-row:1}body .transport-right{grid-column:2;grid-row:1}
 body .timeline-seek{grid-column:1/-1;grid-row:2;margin:0;width:100%}
 .scene-sections{grid-template-columns:repeat(var(--scene-count,6),minmax(112px,1fr))}
 .scene-section{min-height:51px;font-size:11px}
}
@media(max-width:520px){body .timeline{inset:auto 8px 8px;padding-inline:10px;border-radius:20px}body .timeline .story-select{max-width:108px;font-size:11px;padding-left:7px}body .timeline #timecode{min-width:0;font-size:10px}body .timeline #timecode>span:last-child{display:none}body .timeline .transport-left{gap:7px}.composition-toggle{padding:7px;width:32px}body .timeline .icon-button{min-width:28px}.scene-sections{grid-template-columns:repeat(var(--scene-count,6),minmax(108px,1fr))}}
@media(prefers-reduced-transparency:reduce){body .timeline,.composition-panel{background:#f8f8f8;backdrop-filter:none}}