:root{color-scheme:dark;--bg: #0f1115;--surface: #171a21;--surface-soft: #1c2029;--border: #242833;--text-primary: #e6eaf2;--text-secondary: #9ba3b4;--correct: #2e7d32;--correct-tint: #16361e;--close: #c79a2e;--close-tint: #3a2d12;--wrong: #3b4252;--offset-late: #b04646;--offset-early: #3a6db0;--offset-exact: #2e7d32;--focus: #4f6aa0;--shadow: 0 4px 12px rgba(0, 0, 0, .25);--anim: cubic-bezier(.4, 0, .2, 1)}:root[data-theme=light]{color-scheme:light;--bg: #f6f7f9;--surface: #ffffff;--surface-soft: #f9fbff;--border: #e2e6ed;--text-primary: #1f2530;--text-secondary: #6f7a8f;--correct-tint: #eef7ef;--close-tint: #faf5e8;--wrong: #d9deea;--offset-late: #9b4949;--offset-early: #466da3;--focus: #7f93bb;--shadow: 0 4px 12px rgba(24, 31, 48, .1)}*{box-sizing:border-box}html,body,#root{min-height:100vh}body{margin:0;font-family:Space Grotesk,Sora,Avenir Next,Segoe UI,sans-serif;font-size:16px;line-height:1.5;background:radial-gradient(circle at 8% -4%,rgba(87,125,234,.2),transparent 32%),radial-gradient(circle at 92% -8%,rgba(63,167,118,.16),transparent 34%),linear-gradient(180deg,rgba(255,255,255,.02),transparent 40%),var(--bg);color:var(--text-primary)}button,input,textarea,select{font:inherit}.ui-card{border-radius:12px;border:1px solid var(--border);background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:var(--shadow)}.ui-card-header{padding:24px 24px 12px}.ui-card-content{padding:0 24px 24px}.ui-card-title{margin:0;font-size:19px;line-height:1.2;font-weight:600}.ui-card-description{margin:8px 0 0;font-size:14px;line-height:1.5;color:var(--text-secondary)}.ui-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:background-color .2s var(--anim),border-color .2s var(--anim),color .2s var(--anim),transform .2s var(--anim);font-weight:500}.ui-btn:disabled{opacity:.5;cursor:not-allowed}.ui-btn-size-default{min-height:40px;padding:10px 14px}.ui-btn-size-sm{min-height:36px;padding:8px 12px}.ui-btn-size-icon{width:40px;height:40px;padding:0}.ui-btn-default{background:var(--surface);border-color:var(--border);color:var(--text-primary)}.ui-btn-default:hover:not(:disabled){background:var(--surface-soft)}.ui-btn-primary{background:#2d5fca;color:#e7ecf7}.ui-btn-primary:hover:not(:disabled){filter:brightness(1.05)}.ui-btn-ghost{background:transparent;color:var(--text-primary)}.ui-btn-ghost:hover:not(:disabled){background:var(--surface-soft)}.app-shell{max-width:880px;margin:0 auto;padding:32px;position:relative;isolation:isolate}.header{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}h1{margin:0;font-size:clamp(28px,3.6vw,32px);line-height:1.2;font-weight:700;letter-spacing:.02em}.app-logo{width:min(220px,62vw);height:auto;display:block;color:var(--text-primary)}.subtitle{margin:8px 0 0;color:var(--text-secondary);font-size:12px}.header-controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.theme-toggle,.share-btn,.move-btn{font-weight:500}.theme-toggle{border:1px solid var(--border);background:var(--surface);color:var(--text-primary);border-radius:12px;padding:0;cursor:pointer;box-shadow:var(--shadow)}.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center}.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor}.meta-strip{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.meta-pill{background:var(--surface);border:1px solid var(--border);border-radius:999px;color:var(--text-secondary);font-size:12px;line-height:1;padding:8px 10px;display:inline-flex;align-items:center;gap:6px}.meta-pill strong{color:var(--text-primary);font-size:12px;font-weight:500}.panel,.results-panel{padding:0}.peerlist-embed-wrap{margin-top:16px;display:flex;justify-content:center}.peerlist-embed-wrap img{display:block;max-width:100%}.magic-grid-pattern{position:fixed;left:0;right:0;top:-120px;height:420px;z-index:-3;opacity:.5;background-image:linear-gradient(to right,color-mix(in srgb,var(--focus) 28%,transparent) 1px,transparent 1px),linear-gradient(to bottom,color-mix(in srgb,var(--focus) 24%,transparent) 1px,transparent 1px);background-size:42px 42px;-webkit-mask-image:linear-gradient(180deg,black 40%,transparent 100%);mask-image:linear-gradient(180deg,black 40%,transparent 100%);animation:drift-grid 18s linear infinite}.magic-orb{position:fixed;width:280px;height:280px;border-radius:999px;filter:blur(26px);opacity:.18;z-index:-2;pointer-events:none}.magic-orb-left{left:max(-120px,-8vw);top:-90px;background:#4d73cd}.magic-orb-right{right:max(-120px,-8vw);top:-120px;background:#3a9a71}.magic-panel{position:relative;overflow:hidden}.magic-panel:before{content:"";position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;border-radius:13px;padding:1px;background:linear-gradient(120deg,color-mix(in srgb,var(--focus) 70%,transparent),transparent 30%,color-mix(in srgb,var(--offset-exact) 44%,transparent));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.magic-shiny-text{display:inline-block;background:linear-gradient(100deg,color-mix(in srgb,var(--text-primary) 68%,#98b7f9),color-mix(in srgb,var(--text-primary) 70%,#8ae0be),color-mix(in srgb,var(--text-primary) 64%,#9bb8ff));background-size:220% 100%;background-clip:text;-webkit-background-clip:text;color:transparent;animation:shine-title 5s linear infinite}.panel-top h2,.results-panel h2{margin:0;font-size:19px;line-height:1.2;font-weight:600}.panel-top p{margin:8px 0 16px;color:var(--text-secondary);font-size:14px}.board{display:grid;gap:16px}.timeline-item{background:var(--surface-soft);border:1px solid var(--border);border-radius:12px;padding:12px;display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:grab;box-shadow:var(--shadow);transition:background-color .26s var(--anim),border-color .26s var(--anim),transform .26s var(--anim),box-shadow .26s var(--anim)}.timeline-item.dragging{transform:scale(1.02);border-color:var(--focus);box-shadow:0 10px 22px #00000052}:root[data-theme=light] .timeline-item.dragging{box-shadow:0 10px 20px #1f2d462e}.timeline-item.drag-target{border-color:var(--focus)}.timeline-item.tone-correct{background:var(--correct-tint);border-color:var(--correct)}.timeline-item.tone-close{background:var(--close-tint);border-color:var(--close)}.timeline-item.tone-wrong{background:color-mix(in srgb,var(--wrong) 26%,var(--surface-soft));border-color:var(--wrong)}.timeline-main{min-width:0;display:flex;align-items:center;gap:12px}.drag-handle{color:var(--text-secondary);letter-spacing:-2px;font-size:16px}.timeline-label{font-size:16px;line-height:1.5;font-weight:400}.move-controls{display:flex;gap:8px}.move-btn{width:34px;height:34px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text-primary);cursor:pointer;padding:0}.move-btn:disabled{opacity:.5;cursor:not-allowed}.timeline-meta{text-align:right;display:grid;gap:4px}.event-year{font-size:14px;font-weight:500}.event-offset{font-size:14px;color:var(--text-secondary);opacity:0;animation:fade-in .24s var(--anim) forwards}.event-offset.exact{color:var(--offset-exact)}.event-offset.late{color:var(--offset-late)}.event-offset.early{color:var(--offset-early)}.actions{display:flex;justify-content:flex-end;gap:12px;margin-top:16px}.share-btn{width:40px;height:40px}.results-panel{margin-top:16px}.compact-results .ui-card-content.results-compact-content{padding-top:16px}.results-inline{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.results-mini-title{color:var(--text-primary);font-size:19px;line-height:1.2;font-weight:600}.results-offset-pill{padding-right:12px}.results-offset-value{color:var(--text-primary);font-size:15px;font-weight:600}.share-preview{margin:10px 0 0;background:var(--surface-soft);border:1px solid var(--border);border-radius:12px;padding:12px;font-size:12px;line-height:1.5;white-space:pre-wrap}.compact-preview{max-width:320px}.confetti-layer{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.confetti-piece{position:absolute;top:-16px;left:var(--x);width:7px;height:11px;border-radius:2px;background:linear-gradient(180deg,#9ab4d6,#8fa7cb);opacity:.7;animation:fall var(--dur) linear var(--delay) forwards}@keyframes fade-in{0%{opacity:0;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}@keyframes fall{to{transform:translateY(108vh) rotate(200deg);opacity:0}}@keyframes shine-title{to{background-position:220% 0}}@keyframes drift-grid{0%{transform:translateY(0)}to{transform:translateY(42px)}}@media (max-width: 720px){.app-shell{padding:20px}.magic-grid-pattern{top:-80px;height:340px}.timeline-item{flex-direction:column;align-items:flex-start}.timeline-meta{text-align:left}.results-inline{align-items:stretch}.actions{flex-direction:column}.submit,.share-btn{width:100%}}