:root{--color-page:#fbf8f3;--color-surface:#fff;--color-primary:#5c87a6;--color-primary-ink:#fff;--color-accent:#ef9f7e;--color-ink:#34373d;--color-muted:#6b7280;--color-border:#e7e2d9;--color-hover:#f1ece4;--radius:10px;--sidebar-width:264px;--bottomnav-height:60px;--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji"}:root[data-theme=dark]{--color-page:#1f2125;--color-surface:#2a2d33;--color-primary:#7fa6c2;--color-primary-ink:#1f2125;--color-accent:#ef9f7e;--color-ink:#e8e6e1;--color-muted:#9aa0a6;--color-border:#3a3e45;--color-hover:#343841}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--color-page);color:var(--color-ink);font-family:var(--font-sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit}.surface{border:1px solid var(--color-border)}.btn,.surface{background:var(--color-surface);border-radius:var(--radius)}.btn{align-items:center;border:1px solid var(--color-border);color:var(--color-ink);cursor:pointer;display:inline-flex;gap:8px;padding:8px 14px}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-primary-ink)}.btn:hover{background:var(--color-hover)}.btn-primary:hover{filter:brightness(1.05)}