:root{--paper:#f6f0e4;--panel:#fffdf7;--ink:#282522;--muted:#665f56;--person:#315c73;--paper-node:#8b5e34;--concept:#6b6e3f;--observe:#8f3e4f;--einstein:#c28a2c;--line:#aab3b8;--danger:#b24a3a;--focus:#174f86}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans KR","Malgun Gothic",sans-serif;line-height:1.65}.ev-wrap{max-width:1120px;margin:auto;padding:24px}.ev-card{background:var(--panel);border:1px solid #d9cdb9;border-radius:20px;box-shadow:0 12px 32px #594b3820;overflow:hidden}.ev-head{padding:24px 28px 14px;border-bottom:1px solid #e5dac7}.ev-kicker{margin:0 0 4px;color:var(--paper-node);font-weight:800;letter-spacing:.08em}.ev-head h1{margin:0;font-family:"Noto Serif KR",serif;font-size:clamp(1.45rem,3vw,2.2rem)}.ev-head p{margin:.4rem 0;color:var(--muted)}.ev-stage{padding:18px 24px}.ev-stage svg{display:block;width:100%;height:auto;min-height:360px;border-radius:14px;background:#fbf8f0}.ev-controls{display:flex;flex-wrap:wrap;gap:10px;padding:16px 24px 22px;border-top:1px solid #e5dac7}.ev-controls button{min-width:48px;min-height:48px;padding:10px 16px;border:2px solid var(--person);border-radius:999px;background:#fff;color:var(--person);font:700 15px inherit;cursor:pointer}.ev-controls button[aria-pressed="true"],.ev-controls button:hover{background:var(--person);color:#fff}.ev-controls button:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.ev-status{margin:0;padding:14px 24px;background:#efe6d6;font-weight:700}.ev-note{padding:0 24px 20px;color:var(--muted);font-size:.94rem}.ev-label{font-size:16px;font-weight:800;fill:var(--ink)}.ev-small{font-size:14px;fill:var(--muted)}.ev-light{stroke:#d9a62e;stroke-width:5;stroke-linecap:round;stroke-dasharray:12 10}.ev-path{fill:none;stroke:#315c73;stroke-width:4;stroke-linecap:round;stroke-dasharray:8 7}.ev-train{fill:#e9dfcc;stroke:#52493f;stroke-width:3}.ev-person{fill:#315c73;stroke:#fffdf7;stroke-width:3}.ev-flash{fill:#f3c648;stroke:#8b5e34;stroke-width:2}@media(max-width:600px){.ev-wrap{padding:8px}.ev-head{padding:18px}.ev-stage{padding:10px}.ev-stage svg{min-height:520px}.ev-controls{padding:14px}.ev-controls button{flex:1 1 42%}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}