:root{--mp-space:#070913;--mp-space-deep:#030408;--mp-gold:#ffd166;--mp-accent:#a15c07;--mp-sidebar-w:360px;--sk-accent:#a15c07;--sk-accent-fg:#fff;--sk-ring:#a15c0747}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-sec,#f4f4f5);color:var(--fg,#11181c);-webkit-tap-highlight-color:transparent;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Pretendard,Segoe UI,sans-serif;overflow:hidden}.screen{display:none}.screen.active{display:flex}.screen [tabindex="-1"]:focus{outline:none}.intro-screen,.result-screen{text-align:center;background:linear-gradient(180deg, var(--bg,#fff), var(--bg-sec,#f4f4f5))}.intro-emoji{margin-bottom:8px;font-size:72px;animation:3s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.intro-screen h1{color:var(--fg,#11181c);margin-bottom:6px;font-size:30px;font-weight:800}.intro-sub{color:var(--fg-muted,#71717a);margin-bottom:20px;font-size:15px;line-height:1.7}.intro-card{background:var(--bg,#fff);border:1px solid var(--border,#e4e4e7);word-break:keep-all;border-radius:16px;width:100%;max-width:440px;margin-bottom:20px;padding:18px 22px;box-shadow:0 4px 18px #0000000f}.intro-card h2{color:var(--mp-accent);margin-bottom:8px;font-size:17px;font-weight:700}.intro-card p{color:var(--fg,#11181c);font-size:14px;line-height:1.7}.explore-screen{width:100vw;height:100dvh}.explore-layout{grid-template-columns:1fr var(--mp-sidebar-w);width:100%;height:100%;display:grid}.canvas-zone{background:radial-gradient(circle at center, #0e1329 0%, var(--mp-space-deep) 100%);flex-direction:column;min-width:0;display:flex;position:relative;overflow:hidden}.canvas-header{z-index:10;pointer-events:none;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;display:flex;position:absolute;top:56px;left:16px;right:16px}.canvas-title-badge,.orbit-legend{color:#fff;background:#0d1b2ad9;border:1px solid #ffd1664d;border-radius:14px;align-items:center;gap:8px;padding:6px 12px;font-size:14px;font-weight:700;display:inline-flex}.canvas-title-badge .num{background:var(--mp-gold);color:#000;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;display:inline-flex}.canvas-title-badge .num .ic{width:14px;height:14px}.orbit-legend{font-weight:600}.canvas-toolbar{z-index:10;flex-wrap:wrap;gap:8px;display:flex;position:absolute;bottom:12px;left:16px;right:16px}.canvas-viewport{flex:1;width:100%;height:100%;position:relative}#orbitCanvas{z-index:1;touch-action:none;width:100%;height:100%;position:absolute;inset:0}.sidebar{background:var(--bg,#fff);border-left:1px solid var(--border,#e4e4e7);flex-direction:column;display:flex;overflow-y:auto}.side-head{border-bottom:1px solid var(--border,#e4e4e7);flex-shrink:0;padding:16px 20px 12px}.side-head h2{color:var(--fg,#11181c);font-size:20px;font-weight:800}.side-head .side-sub{color:var(--fg-muted,#71717a);margin-top:2px;font-size:13px}.side-body{flex-direction:column;flex:1;padding:16px;display:flex}.mode-tabs{flex-shrink:0;gap:4px;margin-bottom:14px;display:flex}.mode-tab{border:2px solid var(--border,#e4e4e7);background:var(--card-bg,#f4f4f5);text-align:center;cursor:pointer;color:var(--fg-muted,#71717a);border-radius:10px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;min-height:52px;padding:6px 4px;font-family:inherit;font-size:13px;font-weight:800;transition:border-color .15s,background-color .15s;display:flex}.mode-tab.active{border-color:var(--mp-accent);color:var(--fg,#11181c);background:#a15c0714}.mode-tab .ic{width:18px;height:18px}.mode-tab.active .ic{color:var(--mp-accent)}.observation-view{background:var(--mp-space);color:#fffdf9;text-align:center;border-radius:16px;flex-direction:column;align-items:center;margin-bottom:14px;padding:14px;display:flex}#moonPhaseCanvas{background:0 0;width:140px;height:140px;display:block}.moon-phase-name{color:var(--mp-gold);margin-top:8px;font-size:20px;font-weight:800}.moon-phase-date{opacity:.9;word-break:keep-all;margin-top:4px;font-size:14px}.info-box{background:var(--card-bg,#f4f4f5);border:1px solid var(--border,#e4e4e7);border-radius:12px;margin-bottom:14px;padding:10px 12px;font-size:14px;line-height:1.6}.info-row{border-bottom:1px dashed var(--border,#e4e4e7);justify-content:space-between;gap:10px;padding:6px 0;display:flex}.info-row:last-child{border-bottom:none}.info-label{color:var(--fg-muted,#71717a);flex-shrink:0}.info-val{color:var(--mp-accent);text-align:right;word-break:keep-all;font-weight:700}.info-tip{color:var(--fg,#11181c);text-align:left;font-weight:600}.mission-card{border:1px solid var(--border,#e4e4e7);background:var(--card-bg,#f4f4f5);border-radius:14px;margin-bottom:14px;padding:12px 14px}.mission-title{color:var(--mp-accent);align-items:center;gap:6px;margin-bottom:8px;font-size:13px;font-weight:800;display:flex}.mission-desc{word-break:keep-all;font-size:14px;font-weight:600;line-height:1.6}.mission-desc .ic{color:var(--mp-accent);vertical-align:-.15em}.mission-nav{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:10px;display:flex}.mission-nav[hidden]{display:none}.slider-control{background:var(--card-bg,#f4f4f5);border:1px solid var(--border,#e4e4e7);border-radius:12px;margin-bottom:14px;padding:10px 12px 4px}.slider-label{justify-content:space-between;gap:8px;margin-bottom:2px;font-size:14px;font-weight:800;display:flex}#sliderVal{color:var(--mp-accent);font-variant-numeric:tabular-nums}.slider-input{appearance:none;cursor:pointer;background:0 0;width:100%;height:32px;margin:0}.slider-input::-webkit-slider-runnable-track{background:#d4d4d8;border-radius:3px;height:6px}.slider-input::-moz-range-track{background:#d4d4d8;border-radius:3px;height:6px}.slider-input::-webkit-slider-thumb{-webkit-appearance:none;background:var(--mp-accent);border:3px solid #fff;border-radius:50%;width:26px;height:26px;margin-top:-10px;box-shadow:0 1px 4px #0000004d}.slider-input::-moz-range-thumb{box-sizing:border-box;background:var(--mp-accent);border:3px solid #fff;border-radius:50%;width:26px;height:26px}.slider-input:focus-visible{outline:3px solid var(--mp-accent);outline-offset:4px;border-radius:6px}.ticks{height:26px;color:var(--fg-muted,#71717a);font-size:13px;font-weight:700;position:relative}.ticks span{white-space:nowrap;top:0;left:calc(13px + (100% - 26px) * var(--f));padding-top:7px;position:absolute;transform:translate(-50%)}.ticks span:before{content:"";background:currentColor;width:2px;height:5px;position:absolute;top:0;left:50%;transform:translate(-50%)}.feedback-box{text-align:center;word-break:keep-all;border-radius:10px;margin:0 0 10px;padding:10px;font-size:14px;line-height:1.5}.action-panel{flex-direction:column;flex-shrink:0;gap:8px;margin-top:auto;padding-top:6px;display:flex}.result-trophy{color:var(--mp-accent)}.result-trophy .ic{width:64px;height:64px}.result-screen h2{margin:8px 0;font-size:28px}.result-stars{margin:8px 0;font-size:36px}.result-summary{background:var(--bg,#fff);border:1px solid var(--border,#e4e4e7);text-align:left;word-break:keep-all;border-radius:16px;width:100%;max-width:440px;margin:12px 0 18px;padding:18px 20px;font-size:14px;line-height:1.8;box-shadow:0 4px 18px #0000000f}.result-summary strong{color:var(--mp-accent)}.result-actions{width:100%;max-width:440px}@media (width<=860px){.explore-layout{grid-template-rows:minmax(260px,46dvh) 1fr;grid-template-columns:1fr}.canvas-zone{min-height:260px}.sidebar{border-left:none;border-top:1px solid var(--border,#e4e4e7);min-height:0}.canvas-toolbar{gap:6px;bottom:8px;left:8px;right:8px}.canvas-header{top:52px;left:8px;right:8px}.canvas-title-badge,.orbit-legend{padding:5px 10px;font-size:12px}.observation-view{padding:10px}#moonPhaseCanvas{width:110px;height:110px}.moon-phase-name{margin-top:6px;font-size:17px}}@media (width<=860px) and (height<=520px) and (width>=600px){.explore-layout{grid-template-rows:1fr;grid-template-columns:1fr 300px}.sidebar{border-top:none;border-left:1px solid var(--border,#e4e4e7)}}