:root{--bg: #050a1c;--bg-2: #07112a;--panel: rgba(15, 24, 52, .72);--panel-2: rgba(20, 32, 70, .85);--panel-soft: rgba(18, 28, 60, .5);--cyan: #5ee5ff;--cyan-strong: #7df9ff;--cyan-deep: #1ea3c4;--purple: #a98bff;--purple-strong: #c8a8ff;--text: #e7efff;--text-strong: #ffffff;--muted: #8da0c8;--muted-2: #5e6e96;--border: rgba(125, 249, 255, .14);--border-strong: rgba(125, 249, 255, .32);--glow-cyan: 0 0 22px rgba(94, 229, 255, .45);--glow-cyan-soft: 0 0 12px rgba(94, 229, 255, .28);--glow-purple-soft: 0 0 12px rgba(169, 139, 255, .28);--radius-lg: 16px;--radius-md: 10px;--radius-sm: 6px;--spotlight-dim-opacity: .22;--spotlight-core-opacity: .38;--spotlight-mid-opacity: .18;--spotlight-outer-opacity: .07;--spotlight-edge-opacity: .02;--spotlight-blur: 10px;--font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;overflow:hidden}button{font-family:inherit;color:inherit;background:none;border:none;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.35}button:focus-visible{outline:2px solid var(--cyan-strong);outline-offset:2px;border-radius:var(--radius-sm)}kbd{display:inline-flex;align-items:center;justify-content:center;min-width:1.6em;padding:1px 6px;font-size:11px;font-family:inherit;color:var(--text-strong);background:#7df9ff14;border:1px solid var(--border);border-radius:5px}.app{position:relative;height:100vh;display:grid;grid-template-rows:auto 1fr;background:radial-gradient(900px 700px at 15% -10%,rgba(108,78,255,.16),transparent 60%),radial-gradient(800px 600px at 100% 110%,rgba(94,229,255,.1),transparent 60%),linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);overflow:hidden}.app__bg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;background-image:radial-gradient(rgba(125,249,255,.05) 1px,transparent 1px);background-size:32px 32px;background-position:center;-webkit-mask-image:radial-gradient(ellipse at center,black 35%,transparent 85%);mask-image:radial-gradient(ellipse at center,black 35%,transparent 85%);opacity:.7}.app__header{position:relative;z-index:2;display:flex;align-items:center;gap:16px;padding:10px 18px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#080e24d9,#080e2459);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.app__brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px;color:var(--text-strong)}.app__brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;color:var(--cyan-strong);background:linear-gradient(135deg,#5ee5ff33,#a98bff33);border:1px solid var(--border-strong);box-shadow:var(--glow-cyan-soft)}.app__brand-name{letter-spacing:.01em}.app__brand-sub{margin-left:8px;padding-left:12px;border-left:1px solid var(--border);color:var(--muted);font-weight:500;font-size:13px}.app__body{position:relative;z-index:1;display:grid;grid-template-columns:240px 1fr;gap:14px;padding:14px;min-height:0}.app__main{display:grid;grid-template-rows:1fr auto auto;gap:12px;min-height:0;min-width:0}.rail{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:10px 8px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow-y:auto;min-height:0}.rail__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.rail__item{position:relative}.rail__scene{display:grid;grid-template-columns:26px 1fr auto;gap:10px;align-items:center;width:100%;padding:9px 10px;text-align:left;border-radius:var(--radius-md);color:var(--text);font-size:13px;transition:background .16s,color .16s}.rail__scene:hover{background:#7df9ff0d;color:var(--text-strong)}.rail__item.is-past .rail__scene{color:var(--muted)}.rail__item.is-active .rail__scene{background:linear-gradient(90deg,#5ee5ff24,#a98bff0a);color:var(--text-strong);box-shadow:inset 0 0 0 1px #7df9ff47}.rail__item.is-active:before{content:"";position:absolute;left:-1px;top:8px;bottom:8px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--cyan-strong),var(--purple));box-shadow:var(--glow-cyan-soft)}.rail__index{font-size:11px;color:var(--cyan);letter-spacing:.05em;font-variant-numeric:tabular-nums}.rail__item.is-active .rail__index{color:var(--cyan-strong)}.rail__label{font-weight:500}.rail__count{font-size:10px;color:var(--muted-2);background:#ffffff0a;padding:1px 6px;border-radius:999px;border:1px solid var(--border)}.rail__item.is-active .rail__count{color:var(--cyan)}.rail__steps{list-style:none;margin:4px 0 8px 26px;display:flex;flex-direction:column;gap:1px;border-left:1px dashed var(--border);padding:0 0 0 10px}.rail__step{display:grid;grid-template-columns:10px 1fr;gap:8px;align-items:center;width:100%;padding:5px 6px;text-align:left;border-radius:6px;font-size:12px;color:var(--muted);transition:background .14s,color .14s}.rail__step:hover{background:#7df9ff0a;color:var(--text)}.rail__step.is-done{color:var(--text)}.rail__step.is-active{color:var(--text-strong);background:linear-gradient(90deg,rgba(94,229,255,.12),transparent)}.rail__step-dot{width:6px;height:6px;border-radius:50%;background:#7df9ff2e;border:1px solid var(--border);justify-self:center}.rail__step.is-done .rail__step-dot{background:var(--cyan);border-color:var(--cyan)}.rail__step.is-active .rail__step-dot{background:var(--cyan-strong);border-color:var(--cyan-strong);box-shadow:var(--glow-cyan-soft)}.stage{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--border-strong);background:var(--panel-soft);box-shadow:inset 0 0 0 1px #7df9ff0d,0 30px 60px #00000073;min-height:0}.stage__zoom{position:absolute;top:0;right:0;bottom:0;left:0;transition:transform .7s cubic-bezier(.22,1,.36,1);transform-origin:center center;will-change:transform}.stage__image{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.stage__fallback{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px;background:repeating-linear-gradient(45deg,rgba(125,249,255,.04),rgba(125,249,255,.04) 12px,transparent 12px,transparent 24px)}.stage__fallback-title{font-size:22px;font-weight:700;color:var(--text-strong)}.stage__fallback-path{font-size:12px;color:var(--muted)}.stage__fallback-path code{background:#7df9ff14;padding:2px 8px;border-radius:6px;color:var(--cyan-strong)}.stage__dim{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:rgba(4,8,22,var(--spotlight-dim-opacity));z-index:1;animation:dimBreathe 6s ease-in-out infinite}@keyframes dimBreathe{0%,to{opacity:1}50%{opacity:.96}}.stage__glow{position:absolute;pointer-events:none;transform:translate(-50%,-50%);background:radial-gradient(ellipse at center,rgba(255,255,255,var(--spotlight-core-opacity)) 0%,rgba(125,249,255,var(--spotlight-mid-opacity)) 22%,rgba(94,229,255,var(--spotlight-outer-opacity)) 45%,rgba(94,229,255,var(--spotlight-edge-opacity)) 65%,transparent 80%);mix-blend-mode:screen;filter:blur(var(--spotlight-blur));z-index:2;transition:left 1.6s cubic-bezier(.45,.05,.25,1),top 1.6s cubic-bezier(.45,.05,.25,1),width 1.6s cubic-bezier(.45,.05,.25,1),height 1.6s cubic-bezier(.45,.05,.25,1);animation:glowBreathe 5.5s ease-in-out infinite}@keyframes glowBreathe{0%,to{filter:blur(var(--spotlight-blur)) brightness(1)}50%{filter:blur(calc(var(--spotlight-blur) + 1px)) brightness(1.035)}}.hotspot{position:absolute;padding:0;border:none;background:transparent;cursor:pointer;z-index:3;transition:background .2s}.hotspot:hover:not(.hotspot--active){background:#7df9ff0a;border-radius:6px}.hotspot--active{cursor:default}.spark{position:absolute;width:0;height:0;z-index:5;pointer-events:none;transition:left 1.8s cubic-bezier(.45,.05,.25,1),top 1.8s cubic-bezier(.45,.05,.25,1)}.spark__bob{position:absolute;left:-46px;top:-62px;width:92px;height:125px;animation:sparkAlive 7s ease-in-out infinite;filter:drop-shadow(0 0 10px rgba(94,229,255,.55)) drop-shadow(0 0 26px rgba(169,139,255,.28));transform-origin:50% 60%}.spark__svg{display:block}.spark__eyes{filter:drop-shadow(0 0 3px rgba(125,249,255,.7))}.spark__bolt{filter:drop-shadow(0 0 4px rgba(125,249,255,.6))}@keyframes sparkAlive{0%{transform:translateY(-3px) rotate(-2deg)}20%{transform:translate(3px,1px) rotate(0)}40%{transform:translate(4px,5px) rotate(1.6deg)}60%{transform:translate(1px,7px) rotate(1deg)}80%{transform:translate(-3px,2px) rotate(-1deg)}to{transform:translateY(-3px) rotate(-2deg)}}.caption{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:center;padding:14px 18px;background:var(--panel-2);border:1px solid var(--border-strong);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 12px 30px #00000059,inset 0 0 0 1px #7df9ff0a;min-height:76px}.caption__avatar{position:relative;width:44px;height:44px;display:grid;place-items:center}.caption__avatar-orb{width:36px;height:36px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffffff 0%,var(--cyan-strong) 35%,var(--cyan-deep) 60%,transparent 80%),radial-gradient(circle,#6b3bff 0%,transparent 70%);box-shadow:0 0 18px #5ee5ff99;animation:avatarPulse 2.6s ease-in-out infinite}@keyframes avatarPulse{0%,to{transform:scale(1);box-shadow:0 0 16px #5ee5ff80}50%{transform:scale(1.06);box-shadow:0 0 24px #5ee5ffbf}}.caption__body{display:flex;flex-direction:column;gap:2px;animation:captionIn .28s cubic-bezier(.22,1,.36,1)}@keyframes captionIn{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}.caption__meta{display:flex;gap:6px;align-items:center;font-size:11px;color:var(--cyan);letter-spacing:.05em;text-transform:uppercase}.caption__sep{color:var(--muted-2)}.caption__step{color:var(--muted)}.caption__label{font-size:16px;font-weight:700;color:var(--text-strong);letter-spacing:-.005em}.caption__text{font-size:13.5px;line-height:1.45;color:var(--text)}.controls{display:grid;grid-template-columns:auto auto auto 1fr auto auto;gap:12px;align-items:center;padding:8px 14px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.controls__btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:#7df9ff0d;border:1px solid var(--border);color:var(--text-strong);transition:background .16s,border-color .16s,box-shadow .16s}.controls__btn:hover:not(:disabled){background:#7df9ff1f;border-color:var(--border-strong);box-shadow:var(--glow-cyan-soft)}.controls__btn--play{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#5ee5ff2e,#a98bff24);border-color:var(--border-strong);box-shadow:var(--glow-cyan-soft)}.controls__play{width:0;height:0;border-left:10px solid var(--cyan-strong);border-top:6px solid transparent;border-bottom:6px solid transparent;margin-left:2px;filter:drop-shadow(0 0 5px rgba(94,229,255,.7))}.controls__pause{display:inline-flex;gap:3px}.controls__pause span{display:block;width:3px;height:12px;background:var(--cyan-strong);border-radius:1.5px;box-shadow:var(--glow-cyan-soft)}.controls__arrow{width:7px;height:7px;border-top:2px solid currentColor;border-right:2px solid currentColor}.controls__arrow--right{transform:rotate(45deg);margin-left:-2px}.controls__arrow--left{transform:rotate(-135deg);margin-right:-2px}.controls__progress{position:relative;height:4px;background:#7df9ff0f;border-radius:999px;overflow:hidden;border:1px solid var(--border)}.controls__progress-fill{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--cyan-strong),var(--purple));border-radius:inherit;transition:width .32s ease;box-shadow:0 0 8px #5ee5ff80}.controls__dots{display:inline-flex;align-items:center;gap:6px}.controls__dot{width:8px;height:8px;padding:0;border-radius:50%;background:#7df9ff26;border:1px solid var(--border);transition:transform .16s,background .16s,box-shadow .16s}.controls__dot:hover{transform:scale(1.2);background:#7df9ff59}.controls__dot.is-past{background:var(--cyan);border-color:var(--cyan)}.controls__dot.is-active{width:22px;border-radius:6px;background:linear-gradient(90deg,var(--cyan-strong),var(--purple));border-color:var(--cyan-strong);box-shadow:var(--glow-cyan-soft)}.controls__meta{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-variant-numeric:tabular-nums}.controls__count{color:var(--text-strong);font-weight:700}.controls__count-sep{color:var(--muted-2);margin:0 1px}.controls__substep{color:var(--muted);padding:2px 7px;border-radius:999px;background:#ffffff08;border:1px solid var(--border)}.controls__remaining{color:var(--muted-2);font-size:11px}@media (max-width: 1100px){.app__body{grid-template-columns:200px 1fr}}@media (max-width: 880px){.app__body{grid-template-columns:1fr;grid-template-rows:auto 1fr}.rail{max-height:160px;overflow-y:auto}}@media (max-width: 680px){.app__brand-sub{display:none}.controls{grid-template-columns:auto auto auto 1fr auto;row-gap:6px}.controls__dots{grid-column:1 / -1;justify-content:center}.controls__meta{grid-column:1 / -1;justify-content:space-between}.caption{grid-template-columns:1fr}.caption__avatar{display:none}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}