:root{--bg: #ffffff;--text: #111111;--hint: #777777;--button: #2ea6ff;--button-text: #ffffff;--card: #f3f4f6}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:640px;margin:0 auto;padding:12px 12px 80px}.card{background:var(--card);border-radius:12px;padding:12px 14px;margin-bottom:10px}.row{display:flex;justify-content:space-between;align-items:center;gap:8px}.muted{color:var(--hint);font-size:13px}.tag{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--button);color:var(--button-text)}.tag.medium{background:#f59e0b}button.primary{background:var(--button);color:var(--button-text);border:none;border-radius:10px;padding:8px 14px;font-weight:600;cursor:pointer}button.ghost{background:transparent;border:1px solid var(--hint);color:var(--text);border-radius:10px;padding:6px 12px;cursor:pointer}input{width:100%;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;font-size:15px;background:var(--bg);color:var(--text)}.field{margin-bottom:8px}.label{font-size:12px;color:var(--hint);margin-bottom:2px}.nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:var(--card);padding:8px 4px;border-top:1px solid #e5e7eb}.nav button{background:none;border:none;color:var(--hint);font-size:12px;cursor:pointer}.nav button.active{color:var(--button);font-weight:700}.big{font-size:28px;font-weight:700}.pos{color:#16a34a}.neg{color:#dc2626}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:6px 4px;border-bottom:1px solid #e5e7eb}