:root{--bg:#0f1115;--panel:#161a22;--panel-2:#1b2030;--border:#262c3a;--text:#e6e8ee;--muted:#8a93a6;--buy:#ef4444;--sell:#3b82f6;--next:#10b981;--up:#ef4444;--down:#3b82f6}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);height:100%;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Pretendard,Apple SD Gothic Neo,Noto Sans KR,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}.topbar{border-bottom:1px solid var(--border);background:var(--panel);justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.topbar h1{letter-spacing:.02em;margin:0;font-size:18px}.topbar h1.topbar-title{cursor:pointer;-webkit-user-select:none;user-select:none;transition:opacity .15s}.topbar 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