:root{--ink: #f4ede3;--slate: #fffcf6;--paper: #ffffff;--grass: #5d9e76;--amber: #d9a03c;--clay: #c4766a;--ash: #8e8577;--text: #3b3225;--line: #e5dbc9;--shadow: 0 2px 10px rgb(93 74 44 / .1);--tap: 48px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--ink);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:17px;line-height:1.45;-webkit-tap-highlight-color:transparent}#app{display:flex;flex-direction:column;height:100vh;height:100svh}.header{display:flex;align-items:center;gap:12px;padding:10px 16px;padding-top:max(10px,env(safe-area-inset-top));background:var(--ink);border-bottom:1px solid var(--line)}.header h1{font-size:18px;font-weight:700;letter-spacing:.04em;flex:1}.header-icons{display:flex;gap:6px;flex-shrink:0}.icon-btn{width:40px;height:40px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);color:var(--text);font-size:17px;padding:0}#app.in-session 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