:root{--accent:#5548c8;--accent-dark:#3f35a4;--accent-soft:#efedff;--ink:#24232b;--muted:#686675;--line:#dedce8;--paper:#fff;--wash:#f7f6fb;--success:#20865e;--orange:#e36f3d;--shadow:0 18px 55px rgba(52,43,128,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Helvetica Neue",sans-serif;line-height:1.58}a{color:inherit;text-decoration:none}button,input{font:inherit}.topbar{position:sticky;top:0;z-index:20;height:64px;padding:0 max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{font-weight:800;color:var(--accent);letter-spacing:-.025em}.topbar nav{display:flex;gap:28px;font-size:14px;font-weight:600;color:#555363}.topbar nav a:hover{color:var(--accent)}.menu-button{display:none;border:0;background:none;color:var(--accent);font-weight:700}.page-width,.content-section{width:min(100% - 40px,1000px);margin-inline:auto}.hero{text-align:center;padding:62px 0 54px}.hero h1{max-width:950px;margin:0 auto 26px;font-size:clamp(34px,4vw,50px);line-height:1.08;letter-spacing:-.042em}.hero h1 span{color:var(--accent)}.authors{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 18px;font-size:14px;font-weight:600}.authors span,.affiliations span{white-space:nowrap}.authors sup,.affiliations sup{color:var(--accent);font-size:.7em;font-weight:800}.affiliations{display:flex;flex-wrap:wrap;justify-content:center;gap:3px 17px;margin-top:12px;color:var(--muted);font-size:12px}.links{display:flex;justify-content:center;gap:9px;margin-top:21px}.button{padding:8px 16px;border:1px solid var(--accent);border-radius:999px;background:var(--accent);color:#fff;font-size:13px;font-weight:700}.button:hover{background:var(--accent-dark)}.button.secondary{background:#fff;color:var(--accent)}.button.placeholder{pointer-events:none;opacity:.55}.content-section{padding:72px 0;border-top:1px solid var(--line)}.content-section h2{text-align:center;margin:0 0 8px;font-size:36px;line-height:1.15;letter-spacing:-.025em}.section-note{text-align:center;margin:0 0 27px;color:var(--muted)}.video-section video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#080712}.text-section{max-width:820px}.text-section p{font-family:Georgia,"Times New Roman",serif;font-size:18px;line-height:1.75;text-align:justify;color:#3c3a44}.method-section figure{margin:29px 0 0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.method-section img{display:block;width:100%}.method-section figcaption{padding:12px 18px;text-align:center;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}.viewer-section{width:min(100% - 40px,1120px)}.viewer{margin-top:28px;border:1px solid #d8d4ec;border-radius:15px;overflow:hidden;background:#fff;box-shadow:var(--shadow);outline:none}.viewer:focus-visible{outline:3px solid rgba(85,72,200,.3);outline-offset:4px}.viewer-chart{padding:18px 22px 8px;background:var(--wash);border-bottom:1px solid var(--line)}.chart-head,.panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px;font-weight:700}.chart-head span:last-child{color:var(--muted);font-weight:500}.chart-head i{display:inline-block;width:15px;border-top:2px dashed var(--orange);vertical-align:3px;margin-right:5px}.viewer-chart svg{display:block;width:100%;height:170px;margin-top:4px;cursor:crosshair}.viewer-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,.65fr)}.observation-panel{padding:20px}.panel-head{margin-bottom:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.panel-head b{color:var(--accent);font-size:11px}.observation{position:relative;overflow:hidden;border-radius:9px;background:#15131f;aspect-ratio:16/10}.observation img{display:block;width:100%;height:100%;object-fit:contain}.observation>span{position:absolute;left:10px;bottom:10px;padding:4px 7px;border-radius:5px;background:rgba(20,18,29,.76);color:#fff;font:11px ui-monospace,monospace}.transport{display:grid;grid-template-columns:auto auto auto 1fr auto;align-items:center;gap:7px;margin-top:12px}.transport button{min-width:40px;height:34px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--accent);cursor:pointer}.transport #play{min-width:62px;background:var(--accent);border-color:var(--accent);color:#fff}.transport input{width:100%;accent-color:var(--accent)}.transport output{font:11px ui-monospace,monospace;color:var(--muted)}.inspector{padding:20px;border-left:1px solid var(--line);background:#fcfbff}.inspector dl{margin:0}.inspector dl div{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid #ebe9f2}.inspector dt{color:var(--muted);font-size:12px}.inspector dd{margin:0;font:600 12px ui-monospace,monospace}.meter{height:7px;position:relative;margin:17px 0 26px;background:#e7e4f1;border-radius:99px}.meter span{display:block;width:0;height:100%;border-radius:99px;background:var(--accent);transition:width .15s}.meter i{position:absolute;top:-4px;bottom:-4px;left:80%;border-left:2px dashed var(--orange)}.inspector h3{margin:0 0 10px;font-size:13px}.memory-bank{display:grid;grid-template-columns:1fr 1fr;gap:8px}.memory-card{position:relative;margin:0;min-height:128px;border:1px dashed #c7c3d8;border-radius:8px;overflow:hidden;background:#f6f4fb}.memory-card>div{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:#9691a8;font-size:11px}.memory-card img,.memory-card figcaption{display:none}.memory-card.filled{border:1px solid var(--accent);background:var(--accent-soft)}.memory-card.filled>div{display:none}.memory-card.filled img{display:block;width:100%;aspect-ratio:1;object-fit:cover}.memory-card.filled figcaption{display:block;padding:4px 6px;color:var(--accent);font-size:9px}.event-explanation{margin:13px 0 0;color:var(--muted);font-size:11px;line-height:1.45}.chart-grid{stroke:#dfdde8;stroke-width:1}.chart-threshold{stroke:var(--orange);stroke-width:2;stroke-dasharray:7 5}.chart-line{fill:none;stroke:var(--accent);stroke-width:3}.chart-area{fill:rgba(85,72,200,.1)}.chart-point{fill:#fff;stroke:var(--accent);stroke-width:2}.chart-point.event{fill:var(--orange);stroke:var(--orange)}.chart-cursor{stroke:#211e32;stroke-width:2}.chart-label{fill:#817d90;font:10px Arial}.chart-event-label{fill:var(--orange);font:bold 10px Arial}
@media(max-width:760px){.topbar nav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;gap:12px;padding:16px 24px;background:#fff;border-bottom:1px solid var(--line)}.topbar nav.open{display:flex}.menu-button{display:block}.hero{padding-top:48px}.content-section{padding:56px 0}.content-section h2{font-size:31px}.text-section p{font-size:16px;text-align:left}.viewer-grid{grid-template-columns:1fr}.inspector{border-left:0;border-top:1px solid var(--line)}.viewer-chart{padding-inline:12px}.transport{grid-template-columns:auto auto auto 1fr}.transport output{display:none}}
@media(max-width:480px){.page-width,.content-section,.viewer-section{width:min(100% - 24px,1120px)}.hero h1{font-size:34px}.authors{font-size:13px;gap-inline:12px}.affiliations{font-size:11px;gap-inline:11px}.memory-card{min-height:100px}}

/* Current project-page composition */
.hero{padding:58px 0 50px}
.hero h1{max-width:930px;margin:0 auto 27px;font-size:inherit;line-height:1.08;letter-spacing:-.035em}
.hero h1 span{display:block;color:var(--accent);font-size:clamp(32px,3.6vw,46px);font-weight:800}
.hero h1 small{display:block;margin-top:7px;color:var(--ink);font-size:clamp(23px,2.7vw,34px);font-weight:700;letter-spacing:-.025em}
.video-section{width:100%;max-width:none;padding:64px max(20px,calc((100vw - 1000px)/2));background:var(--accent-soft);border-top:0}
.video-section video{max-width:1000px;margin:26px auto 0}
.memory-bank{grid-template-columns:repeat(3,1fr);gap:7px}
@media(max-width:480px){.hero h1 span{font-size:34px}.hero h1 small{font-size:24px}.memory-card{min-height:88px}}

/* Method note and compact replay */
.video-section{background:rgba(85,72,200,.045)}
.method-summary{max-width:860px;margin:22px auto 0;color:#44414f;font-family:Georgia,"Times New Roman",serif;font-size:16px;line-height:1.7}
.method-summary p{margin:0 0 12px}
.chart-legend{display:flex;align-items:center;justify-content:flex-end;gap:6px 10px;flex-wrap:wrap}
.chart-legend b{display:inline-block;flex:0 0 auto}
.legend-threshold{width:15px;border-top:2px dashed var(--orange)}
.legend-trigger{width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:10px solid var(--orange)}
.legend-write{width:9px;height:9px;background:var(--success);transform:rotate(45deg)}
.chart-trigger{fill:var(--orange);stroke:#fff;stroke-width:1;cursor:pointer}
.chart-write{fill:var(--success);stroke:#fff;stroke-width:1.5;cursor:pointer}
.viewer-section{padding-top:58px}
.viewer{margin-top:20px}
.viewer-chart{padding:13px 18px 3px}
.viewer-chart svg{height:125px;margin-top:0}
.viewer-grid{grid-template-columns:minmax(0,1.6fr) minmax(270px,.6fr)}
.observation-panel,.inspector{padding:15px}
.panel-head{margin-bottom:8px}
.observation{max-height:350px;aspect-ratio:16/9}
.transport{margin-top:8px}
.inspector dl div{padding:5px 0}
.meter{margin:13px 0 18px}
.memory-card{min-height:94px}
.event-explanation{margin-top:9px}
@media(max-width:760px){.chart-legend{justify-content:flex-start}.viewer-grid{grid-template-columns:1fr}.observation{max-height:none}.method-summary{font-size:15px}}

/* Refined replay: compact viewport, legible chart, and native-resolution episode video */
.video-section{background:linear-gradient(180deg,rgba(85,72,200,0) 0%,rgba(85,72,200,.018) 14%,rgba(85,72,200,.055) 50%,rgba(85,72,200,.018) 86%,rgba(85,72,200,0) 100%)}
.method-summary{max-width:900px;font-size:15.5px;line-height:1.68}
.viewer-section{width:min(100% - 40px,1000px);padding:46px 0}
.viewer-section .section-note{margin-bottom:15px;font-size:14px}
.viewer{max-width:940px;margin:14px auto 0;border-radius:12px}
.viewer-chart{padding:11px 16px 2px}
.viewer-chart svg{height:155px;margin-top:1px}
.chart-head{gap:12px}
.chart-legend{font-size:11px;gap:4px 8px;white-space:nowrap}
.legend-trigger{width:10px;height:10px;border:2px solid var(--accent);border-radius:50%;background:var(--accent)}
.legend-write{width:14px;height:14px;border:3px solid var(--success);border-radius:50%;background:transparent;transform:none}
.chart-point{fill:#fff;stroke:var(--accent);stroke-width:2.2;cursor:pointer}
.chart-point.triggered{fill:var(--accent)}
.chart-memory-ring{fill:none;stroke:var(--success);stroke-width:3;cursor:pointer}
.phase-band{pointer-events:none}
.phase-cue{fill:rgba(85,72,200,.018)}
.phase-hidden{fill:rgba(85,72,200,.045)}
.phase-action{fill:rgba(227,111,61,.035)}
.phase-boundary{stroke:#aaa6b8;stroke-width:1.2;stroke-dasharray:3 4;pointer-events:none}
.phase-label{fill:#777286;font:700 8px Arial;text-anchor:middle;letter-spacing:.08em;pointer-events:none}
.viewer-grid{grid-template-columns:minmax(0,1.7fr) minmax(250px,.58fr)}
.observation-panel,.inspector{padding:12px}
.observation{height:275px;max-height:none;aspect-ratio:auto}
.observation video{display:block;width:100%;height:100%;object-fit:contain;background:#15131f}
.transport{margin-top:7px}
.transport button{height:30px}
.inspector dl div{padding:3px 0}
.meter{margin:10px 0 13px}
.memory-card{min-height:78px}
.event-explanation{margin-top:7px;line-height:1.35}
@media(max-width:760px){.chart-head{align-items:flex-start;flex-direction:column;gap:4px}.chart-legend{white-space:normal;justify-content:flex-start}.viewer-chart svg{height:145px}.observation{height:auto;aspect-ratio:16/9}}

/* Consistent section rules and a denser one-screen replay */
main>section:not(:first-child){position:relative;border-top:0}
main>section:not(:first-child)::before{content:"";position:absolute;top:0;left:50%;width:min(calc(100vw - 40px),1000px);height:1px;background:var(--line);transform:translateX(-50%)}
.viewer-section{padding:38px 0}
.viewer-section h2{font-size:31px}
.viewer-section .section-note{margin-bottom:10px;font-size:12px}
.viewer{max-width:900px;margin-top:10px}
.viewer-chart{padding:8px 13px 0}
.viewer-chart svg{height:128px}
.viewer-grid{grid-template-columns:minmax(0,1fr) 320px}
.observation-panel,.inspector{padding:10px}
.panel-head{margin-bottom:6px}
.observation{height:210px}
.camera-crop{height:100%;aspect-ratio:1;overflow:hidden;margin:0 auto}
.observation video{display:block;width:auto;max-width:none;height:100%;object-fit:contain;object-position:left center}
.transport{gap:5px;margin-top:5px}
.transport button{height:27px;min-width:34px}
.transport #play{min-width:54px}
.inspector dl div{padding:2px 0}
.inspector dt,.inspector dd{font-size:11px}
.meter{margin:8px 0 9px}
.inspector h3{margin-bottom:6px}
.memory-bank{gap:8px}
.memory-card{min-height:94px}
.memory-card.newly-written{border:3px solid var(--success);box-shadow:0 0 0 4px rgba(32,134,94,.16),0 0 18px rgba(32,134,94,.3);animation:memory-write-pulse 1s ease-in-out infinite alternate}
@keyframes memory-write-pulse{from{box-shadow:0 0 0 2px rgba(32,134,94,.12),0 0 8px rgba(32,134,94,.18)}to{box-shadow:0 0 0 5px rgba(32,134,94,.2),0 0 20px rgba(32,134,94,.38)}}
@media(max-width:760px){main>section:not(:first-child)::before{width:calc(100% - 24px)}.viewer-grid{grid-template-columns:1fr}.viewer-chart svg{height:125px}.observation{height:210px}.memory-card{min-height:105px}}