body { font-family: -apple-system, Segoe UI, Roboto, sans-serif; background: #f5f6f8; margin: 0; color: #1a1a2e; }
.auth-card { max-width: 380px; margin: 80px auto; background: white; padding: 32px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.auth-card h1 { margin-bottom: 0; }
.tagline { color: #666; margin-top: 4px; }
label { display: block; margin: 14px 0 4px; font-size: 14px; color: #333; }
input, select { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 6px; box-sizing: border-box; }
button { margin-top: 12px; padding: 8px 16px; border: none; border-radius: 6px; background: #2f5bea; color: white; cursor: pointer; font-size: 14px; }
button:hover { background: #23439c; }
.error { color: #c0392b; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; background: white; box-shadow: 0 1px 4px rgba(0,0,0,0.06); }
.badge { padding: 2px 8px; border-radius: 4px; font-size: 12px; margin-right: 8px; }
.badge-warn { background: #fff3cd; color: #856404; }
.card { max-width: 900px; margin: 20px auto; background: white; padding: 20px 24px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.hint { color: #777; font-size: 13px; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid #eee; font-size: 14px; }
.pnl-pos { color: #1b8a3d; } .pnl-neg { color: #c0392b; }
.modal { position: fixed; top: 15%; left: 50%; transform: translateX(-50%); background: white; padding: 24px; border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,0.2); z-index: 100; width: 320px; }
.strategy-block { border: 1px solid #eee; border-radius: 8px; padding: 14px; margin-bottom: 12px; }