:root{--ky-deep: #10090a;--ky-space: #1b0f0d;--ky-panel: rgba(42, 23, 17, .76);--ky-panel-strong: rgba(50, 27, 18, .94);--ky-panel-soft: rgba(91, 48, 27, .52);--ky-cream: #fff3dc;--ky-text: #f5ddbd;--ky-muted: #c39c78;--ky-gold: #f4b45f;--ky-amber: #e38a3a;--ky-orange: #d96832;--ky-line: rgba(244, 180, 95, .34);--ky-line-strong: rgba(255, 196, 113, .62);--ky-shadow: rgba(25, 8, 3, .52)}html,body{background:var(--ky-deep);color:var(--ky-text)}body:before{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(circle at 16% 18%,rgba(227,115,44,.1),transparent 30%),radial-gradient(circle at 84% 82%,rgba(244,180,95,.08),transparent 34%),linear-gradient(180deg,#35130a0a,#11070714);mix-blend-mode:screen}#app{background:#050304;filter:sepia(.05) saturate(1.06) hue-rotate(-4deg)}#course-brand{position:fixed;top:14px;left:50%;z-index:24;transform:translate(-50%);display:flex;align-items:center;gap:10px;min-height:40px;padding:7px 16px 7px 10px;color:var(--ky-cream);background:linear-gradient(135deg,#412014e6,#1c100ed6);border:1px solid var(--ky-line);border-radius:999px;box-shadow:0 12px 34px var(--ky-shadow),inset 0 1px #fff3dc0f;backdrop-filter:blur(12px);pointer-events:none;white-space:nowrap}.brand-orbit{position:relative;width:27px;height:27px;flex:0 0 27px;border:1px solid rgba(255,210,137,.78);border-radius:50%;transform:rotate(-18deg) scaleY(.52)}.brand-orbit:before{content:"";position:absolute;inset:6px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff1bd,#ffb34e 48%,#d85c2b);transform:scaleY(1.92);box-shadow:0 0 12px #f2973ca6}.brand-orbit i{position:absolute;top:-3px;right:2px;width:5px;height:5px;border-radius:50%;background:#fff1cd;box-shadow:0 0 7px var(--ky-gold)}.brand-name{font-size:17px;font-weight:800;letter-spacing:.16em;color:var(--ky-cream)}.brand-divider{width:1px;height:16px;background:var(--ky-line)}.brand-subtitle{color:#eac59c;font-size:12px;letter-spacing:.08em}.body-label{color:#ffe7c6e0;text-shadow:0 1px 4px #160603,0 0 8px rgba(116,49,20,.75)}.body-label.label-moon{color:#ebcca9c7}.body-label.label-poi{color:#ffc77d}.body-label.label-star{color:#f1d0aaad}.body-label.aimed{color:#fff1c7}.body-label.selected{color:#ffb357}.panel,#directory,#tour-bar{color:var(--ky-text);background:var(--ky-panel);border-color:var(--ky-line);box-shadow:0 12px 34px #1005023d,inset 0 1px #fff3dc09;backdrop-filter:blur(10px) saturate(1.15)}.big,.tname,.dir-head{color:var(--ky-cream)}.dim{color:var(--ky-muted);opacity:.82}.accent{color:#ffc071}.warn{color:#ffb36f}.key{color:#ffe1b4;background:#80411f6b;border-color:#f4b45f75;box-shadow:inset 0 1px #fff5de14}.desc{border-top-color:#f4b45f2e}.fact{color:#f8e4c7;background:#854b1e4d;border-left-color:var(--ky-gold)}.fact b{color:#ffd493}.fact-next{color:#ffb052}#hud-tip{color:#ffe7bd;background:#4c2812d1;border-color:#f4b45f7a;box-shadow:0 8px 24px var(--ky-shadow)}#crosshair{color:#ffca80c2}#hud-bgload{color:#eac295b8}#search-input{color:var(--ky-cream);background:#381f17f0;border-color:var(--ky-line)}#search-input::placeholder{color:#d5ae85a8}#search-input:focus{border-color:var(--ky-line-strong);box-shadow:0 0 0 3px #e38a3a21}#search-results{background:var(--ky-panel-strong);border-color:var(--ky-line)}#search-results .search-item{color:var(--ky-text)}#search-results .search-item:hover,#search-results .search-item.active{background:#a0522461}.dir-head{border-bottom-color:#f4b45f2e}.dir-head:hover{background:#b55e292e}#dir-body summary{color:#efc495}#dir-body summary:hover{background:#a0522447}.dir-parent{color:#b98a61}.dir-item{color:#f3d8b8}.dir-item:hover{background:#a0522457}#dir-body::-webkit-scrollbar-thumb{background:#eba0565c}#tour-bar button{color:#ffe2ba;background:#974c2266;border-color:var(--ky-line)}#tour-bar button:hover{background:#b85e288f}#start{background:radial-gradient(ellipse at 50% 42%,#4d2116,#241211,#0d080a 76%),var(--ky-deep)}.nebula-glow{background:radial-gradient(circle at 50% 46%,rgba(255,177,79,.24) 0%,rgba(185,79,35,.1) 38%,transparent 70%)}.star-particles{background-image:radial-gradient(2px 2px at 20% 30%,rgba(255,235,194,.92),transparent),radial-gradient(1.5px 1.5px at 80% 20%,rgba(255,196,116,.78),transparent),radial-gradient(1px 1px at 50% 70%,rgba(255,224,178,.66),transparent),radial-gradient(2px 2px at 70% 60%,rgba(255,214,157,.84),transparent),radial-gradient(1px 1px at 10% 80%,rgba(255,179,103,.58),transparent),radial-gradient(1.5px 1.5px at 90% 90%,rgba(255,239,209,.72),transparent)}.start-inner{width:min(760px,92vw);background:linear-gradient(145deg,#3d1f16d1,#1b0f0ec2);border-color:#f6b55f57;box-shadow:0 28px 90px #0c030194,inset 0 1px #fff2da14,0 0 0 8px #6c321812}.main-title{font-weight:750;color:var(--ky-cream);text-shadow:0 0 22px rgba(255,186,91,.34),0 0 72px rgba(211,86,35,.22)}@keyframes titleGlow{0%,to{text-shadow:0 0 22px rgba(255,186,91,.3),0 0 65px rgba(211,86,35,.18)}50%{text-shadow:0 0 32px rgba(255,195,109,.48),0 0 90px rgba(222,98,39,.3)}}.sub-title{color:var(--ky-gold);letter-spacing:9px}@keyframes subShimmer{0%,to{opacity:.72;letter-spacing:9px}50%{opacity:1;letter-spacing:11px}}.start-inner .sub{color:#e7bd91}.start-inner .hint{color:#b78d69}#start-btn,#start-btn:disabled{color:#3b1b0e;background:linear-gradient(180deg,#ffd488,#ee9b48);border-color:#ffdea6b8;box-shadow:0 12px 32px #d65a1e42,inset 0 1px #fff9e6ad;font-weight:750}#start-btn:disabled{filter:saturate(.74) brightness(.86)}#start-btn:disabled .btn-text{color:#5e321e}#start-btn:enabled:hover{color:#2d1309;background:linear-gradient(180deg,#ffe2a5,#f4a452);border-color:#ffe1aa;box-shadow:0 16px 42px #dc632461,0 0 70px #f4b45f29}.btn-fill{background:linear-gradient(90deg,#d7602f,#ffad4e,#ffe1a1);box-shadow:0 0 10px #ffab48b8}#github-star{color:#ffe8c9;background:#743a1e75;border-color:#f4b45f6b}#github-star:hover{color:#fff4df;background:#974a207a;border-color:var(--ky-gold)}.source-note{margin-top:12px;color:#cda1789e;font-size:11px;letter-spacing:.04em}#help{background:#120807e6}.help-inner{color:var(--ky-text);background:var(--ky-panel-strong);border-color:var(--ky-line);box-shadow:0 26px 70px var(--ky-shadow)}.help-inner h2{color:var(--ky-cream)}.help-inner h3{color:#f0b56f}.help-inner td{color:#e8c8a5}.help-inner td:first-child{color:#ffe3ae}.credit{color:#a77b5b}#tc-menu-btn,#tc-time-panel,.tc-zoom-btn,.tc-action-btn,.tc-drawer-btn,.tc-right-btn,#tc-time-btn,#tc-joystick-base{color:var(--ky-text);background:#2f1a14db;border-color:var(--ky-line)}#tc-time-panel button{color:var(--ky-text)}#tc-time-panel button:hover,#tc-time-panel button:active,.tc-zoom-btn:active,.tc-action-btn:active,.tc-drawer-btn:active,.tc-drawer-btn.active,.tc-right-btn:active,.tc-right-btn.held{background:#9d4e219e;border-color:var(--ky-line-strong)}.tc-action-btn.primary{color:#ffd08b;background:#703419e0;border-color:#f7b25794}#tc-joystick-thumb{background:#e48a39cc;border-color:#ffda97e0;box-shadow:0 0 14px #e0732c7a}#tc-time-chevron{color:var(--ky-gold)}.touch #tc-bottom-bar{background:#1e100ef0;border-top-color:#f4b45f33}@media (max-width: 1040px){#course-brand{top:72px;padding:6px 12px 6px 8px;min-height:36px}.brand-name{font-size:15px}.brand-subtitle{font-size:11px}.brand-orbit{width:23px;height:23px;flex-basis:23px}}@media (pointer: coarse),(max-width: 768px){#course-brand{top:70px;max-width:calc(100vw - 16px);gap:7px}.brand-divider{display:none}.brand-subtitle{overflow:hidden;text-overflow:ellipsis}.start-inner{padding:34px 22px}.sub-title{letter-spacing:5px;line-height:1.7}.start-inner .sub{max-width:30em;margin-inline:auto}}@media (max-width: 430px){#course-brand{left:8px;transform:none}.brand-subtitle{display:none}.main-title{letter-spacing:6px}.sub-title{font-size:11px;letter-spacing:3px}.source-note{line-height:1.5}}