:root{--paper: #f2ece0;--panel: #fdfaf3;--ink: #211d18;--ink-soft: #5c554a;--line: #d5cbb8;--dev: #3a4a42;--pm: #6b4249;--gilt: #97845e;--gilt-ink: #6b5c40;--ok: #3f7256;--bad: #a04a45;--accent: var(--pm);--bg: var(--paper);--radius: 6px;--shadow: 0 1px 2px rgba(60, 45, 25, .05), 0 4px 14px rgba(60, 45, 25, .06);--serif: "EB Garamond", Georgia, "Times New Roman", serif;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background-color:var(--paper);background-image:radial-gradient(ellipse 80% 40% at 50% 0,rgba(151,132,94,.12),transparent 70%);background-attachment:fixed;-webkit-font-smoothing:antialiased}a{color:var(--dev)}h1,h2,h3,.session-title,.weekday .dnum .n,.logo-book{font-family:var(--serif);font-weight:600}.app{max-width:640px;margin:0 auto;padding:0 16px calc(84px + env(safe-area-inset-bottom))}.topbar{display:flex;align-items:center;gap:10px;padding:18px 4px 12px;position:sticky;top:0;background:linear-gradient(var(--paper) 70%,transparent);z-index:5}.logo-book{width:26px;height:34px;flex:none;background:var(--dev);border-left:3px solid var(--gilt);border-radius:2px 3px 3px 2px;display:grid;place-items:center;color:#f3ead6;font-size:16px;line-height:1;box-shadow:var(--shadow)}.topbar h1{font-size:21px;margin:0;letter-spacing:-.2px}.topbar .sub{font-size:12px;color:var(--ink-soft);margin:0}.streak{margin-left:auto;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:5px;background:var(--panel);color:var(--gilt-ink);border:1px solid rgba(151,132,94,.6);padding:5px 10px;border-radius:999px;white-space:nowrap}.streak svg{flex:none}.nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;gap:2px;background:#fffdf8eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom));z-index:10}.nav 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