:root{color-scheme:dark;--bg: #0b0e14;--panel: #131722;--line: #232838;--text: #e6e9ef;--muted: #9aa3b2;--up: #e5483f;--down: #2b7de9;--accent: #f0b90b}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Malgun Gothic,sans-serif}a{color:inherit;text-decoration:none}.app{display:flex;flex-direction:column;min-height:100%;max-width:560px;margin:0 auto}.content{flex:1;padding:16px 16px 76px}.nav{position:fixed;bottom:0;left:0;right:0;max-width:560px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);background:var(--panel);border-top:1px solid var(--line)}.nav a{padding:12px 0;text-align:center;font-size:13px;color:var(--muted)}.nav a.active{color:var(--accent);font-weight:700}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}