.observation{--obs-paper:#f6f1e7;--obs-card:#fffcf5;--obs-ink:#233f3b;--obs-muted:#596c61;--obs-line:#d6d9c7;--obs-accent:#315e50;--obs-gold:#9d702e;background:var(--obs-paper);color:var(--obs-ink);padding:clamp(16px,3vw,36px);border:1px solid var(--obs-line);border-radius:5px;box-shadow:0 18px 50px #29473b0d;overflow:hidden}.dark .observation{--obs-paper:#172c28;--obs-card:#203a33;--obs-ink:#f0e9d5;--obs-muted:#bac6b6;--obs-line:#496255;--obs-accent:#9ac6a9;--obs-gold:#e5c185}.obs-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:24px}.obs-eyebrow{font-size:10px;letter-spacing:.2em;font-weight:800;margin:0 0 12px;color:var(--obs-muted)}.obs-header h1{font-family:Georgia,"Noto Serif KR",serif;font-size:clamp(28px,4vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.045em;margin:0 0 12px}.obs-header p:not(.obs-eyebrow){color:var(--obs-muted);max-width:40em;font-size:15px;line-height:1.8}.obs-seal{display:grid;place-items:center;flex-shrink:0;width:68px;height:68px;border:1px solid var(--obs-line);border-radius:50%;font-size:45px;color:var(--obs-accent);transform:rotate(-12deg)}.obs-tabs{display:flex;border-block:1px solid var(--obs-line);gap:24px}.obs-tabs a{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:12px 0;border-bottom:3px solid transparent;color:var(--obs-muted);font-size:14px}.obs-tabs a[aria-current]{border-color:var(--obs-accent);color:var(--obs-ink);font-weight:800}.obs-calm{font-size:12px;color:var(--obs-muted);margin:16px 0 30px}.obs-section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}.obs-section-heading h2{font-size:20px;font-weight:750}.obs-section-heading>span{font-size:12px;color:var(--obs-muted)}.obs-scenes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.obs-scenes>button{text-align:start;background:var(--obs-card);border:2px solid var(--obs-line);border-radius:3px;overflow:hidden;padding:0;transition:border-color .15s,transform .15s}.obs-scenes>button[aria-pressed=true]{border-color:var(--obs-accent);transform:translateY(-3px);box-shadow:0 6px #4362501a}.obs-thumbnail{position:relative;overflow:hidden}.obs-thumbnail>svg{width:100%;display:block;height:auto}.obs-scene-number{position:absolute;top:10px;left:10px;display:grid;place-items:center;width:30px;height:30px;background:#f6f0df;color:#314e42;border-radius:50%;font:italic 16px Georgia,serif}.obs-stamp{position:absolute;bottom:8px;right:8px;background:#244f42;color:#fff4d9;border-radius:3px;padding:4px 8px;font-size:11px}.obs-scene-copy{display:block;padding:16px}.obs-scene-copy strong{display:block;font-size:16px;margin-bottom:6px}.obs-scene-copy small{display:block;font-size:12px;line-height:1.65;color:var(--obs-muted)}.obs-start{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:24px;border:1px solid var(--obs-line);padding:20px;background:var(--obs-card)}.obs-start p{font-size:12px;color:var(--obs-muted);margin-top:6px}.observation button:not(.obs-scenes>button){min-height:44px;padding:10px 16px;border:1px solid var(--obs-line);border-radius:4px;font-size:13px;font-weight:650}.observation button:disabled{opacity:.5;cursor:default}.observation .obs-primary{background:var(--obs-accent);color:var(--obs-paper);border-color:var(--obs-accent)!important;min-height:48px;white-space:normal}.obs-primary span{margin-left:18px}.observation :is(button,a,svg[tabindex]):focus-visible{outline:3px solid var(--obs-gold);outline-offset:3px}.obs-progress b{font-size:23px;color:var(--obs-accent);font-family:Georgia,serif}.obs-progress-bar{display:block;width:100%;height:4px;accent-color:var(--obs-accent);margin:0 0 20px;background:var(--obs-line);border:0}.obs-progress-bar::-webkit-progress-bar{background:var(--obs-line)}.obs-progress-bar::-webkit-progress-value{background:var(--obs-accent)}.obs-targets{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;margin:0 0 18px;list-style:none;padding:0}.obs-targets li{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px;background:#eee3cc;color:#304b40;border:1px solid #cec6ad;font-size:12px;border-radius:4px}.obs-targets svg{width:44px;height:44px}.obs-targets .is-found{background:#cddcca;color:#294f3e}.obs-targets .is-found>span[aria-hidden]{position:absolute;right:6px;top:3px;font-weight:900}.obs-targets .is-found svg{opacity:.5}.obs-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.obs-toolbar>div{display:flex;flex-wrap:wrap;gap:8px}.obs-toolbar>span{font-size:12px;color:var(--obs-muted)}.obs-instruction{font-size:11px;line-height:1.7;color:var(--obs-muted);margin:12px 0}.obs-boards{display:grid;gap:14px}.obs-difference{grid-template-columns:repeat(2,minmax(0,1fr))}.obs-panel{min-width:0}.obs-panel h3{display:flex;align-items:center;gap:8px;font-size:12px;margin:0 0 8px}.obs-panel h3 span{font:italic 20px Georgia,serif;color:var(--obs-gold)}.obs-viewport{width:100%;aspect-ratio:4/3;overflow:auto;border:1px solid var(--obs-line);border-radius:3px;overscroll-behavior:contain;scrollbar-width:thin;background:#d4d4b9}.obs-canvas{display:block;max-width:none;aspect-ratio:4/3;height:auto;cursor:crosshair;touch-action:pan-x pan-y pinch-zoom}.obs-hidden{max-width:850px;margin-inline:auto}.obs-canvas:focus-visible{outline-offset:-5px!important}.obs-found-marker circle{fill:#28544322;stroke:#fff7db;stroke-width:4;paint-order:stroke;filter:drop-shadow(0 1px 2px #183428)}.obs-found-marker path{fill:none;stroke:#fff9dc;stroke-width:5;stroke-linecap:round;filter:drop-shadow(0 1px 1px #183428)}.obs-hint-ring{fill:#ffe2a52b;stroke:#fff2c7;stroke-width:5;stroke-dasharray:10 9;filter:drop-shadow(0 1px 2px #573e22)}.obs-cursor{fill:none;stroke:#fff;stroke-width:3;filter:drop-shadow(0 0 2px #000)}.obs-message{min-height:44px;display:flex;align-items:center;font-size:13px;color:var(--obs-muted);padding:8px 0}.obs-result{display:flex;align-items:center;gap:18px;flex-wrap:wrap;border:1px solid var(--obs-accent);background:var(--obs-card);padding:24px;margin:8px 0 20px}.obs-result h2{font-size:21px;font-weight:750}.obs-result p{font-size:13px;color:var(--obs-muted);margin-top:6px}.obs-result-icon{font-size:50px;color:var(--obs-gold)}.obs-result>button{margin-left:auto}.obs-bottom-actions{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:16px}.obs-footnote{font-size:11px;line-height:1.7;color:var(--obs-muted);margin-top:24px}.obs-storage{margin-top:12px;font-size:13px;color:var(--obs-gold)}@media(max-width:640px){.obs-seal{display:none}.obs-scenes{gap:8px}.obs-scene-copy{padding:10px 8px}.obs-scene-copy strong{font-size:13px}.obs-scene-copy small{display:none}.obs-scene-number{width:23px;height:23px;font-size:13px;top:5px;left:5px}.obs-stamp{font-size:9px;bottom:3px;right:3px;padding:2px 4px}.obs-start{align-items:stretch;flex-direction:column;gap:14px;padding:16px}.obs-start button{width:100%}.obs-tabs{gap:18px}.obs-tabs a{flex:1;gap:8px}.obs-difference{grid-template-columns:minmax(0,1fr);gap:10px}.obs-targets{grid-template-columns:repeat(3,minmax(0,1fr))}.obs-targets li{flex-direction:row;padding:5px;font-size:11px}.obs-targets svg{width:32px;height:32px}.obs-result{padding:18px;gap:10px}.obs-result>button{width:100%}.obs-result-icon{font-size:35px}.obs-result h2{font-size:18px}}@media(prefers-reduced-motion:reduce){.observation *{transition:none!important;animation:none!important}}.obs-viewport{overscroll-behavior-x:contain;overscroll-behavior-y:auto}.obs-instruction,.obs-footnote{font-size:13px;line-height:1.8}.obs-layout-label{font-size:12px;font-weight:500;color:var(--obs-muted)}.obs-stamp,.obs-targets li{font-size:12px}.obs-section-heading h2:focus-visible{outline:3px solid var(--obs-gold);outline-offset:4px}.obs-hint-ring{stroke:#8a632b;stroke-width:4;filter:drop-shadow(0 0 2px #fff8df) drop-shadow(0 0 1px #fff8df)}