.app-body { padding-top: 64px; }
.app-shell { max-width: 1200px; margin: 0 auto; padding: 32px 24px 80px; }
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { padding: 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.stat-big { font-size: 32px; font-weight: 800; color: var(--accent-2); margin-top: 6px; }
.panel { padding: 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); margin-bottom: 24px; }
.panel h2 { text-align: left; font-size: 22px; margin-bottom: 20px; }
.challenge-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.ch-card { padding: 24px; background: rgba(0,217,192,0.04); border: 1px solid var(--border); border-radius: var(--radius); }
.ch-card h3 { margin-bottom: 8px; color: var(--text-bright); }
.ch-card p { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; }
.ch-featured { border-color: var(--accent); }
.lesson-list { list-style: none; }
.lesson-list li { display: flex; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.lesson-list li:last-child { border-bottom: none; }
.lesson-num { font-family: monospace; color: var(--accent); font-size: 13px; min-width: 50px; }
.lesson-list a { flex: 1; color: var(--text); font-weight: 500; }
.lesson-time { color: var(--text-dim); font-size: 13px; }
.check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin: 20px 0; }
.check-grid label { display: block; color: var(--text-dim); font-size: 13px; margin-bottom: 8px; }
.check-grid input[type="range"] { width: 100%; accent-color: var(--accent); }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.tool { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: var(--radius); }
.tool strong { color: var(--text-bright); }
.pill { padding: 4px 10px; background: rgba(239,68,68,0.15); color: #fca5a5; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill-go { background: rgba(0,217,192,0.15); color: var(--accent-2); }
.pill-go:hover { background: var(--accent); color: #052028; }

.sim-prices { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:16px; }
.price-tag { padding:6px 12px; background:var(--bg); border:1px solid var(--border); border-radius:8px; font-size:13px; color:var(--text-dim); font-family:monospace; }
.price-tag strong { color:var(--accent-2); margin-right:6px; }
.sim-order { display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-bottom:16px; }
.sim-order select, .sim-order input { padding:8px 10px; background:var(--bg); border:1px solid var(--border-bright); border-radius:8px; color:var(--text); font-size:14px; font-family:inherit; }
.sim-order select:focus, .sim-order input:focus { outline:none; border-color:var(--accent); }
.sim-positions table { font-size:13px; }
.journal-form .check-grid { margin-bottom:0; }
.plan-price { font-size:20px; font-weight:800; color:var(--accent-2); margin:8px 0; }

/* 전략 마켓 */
.strat-tabs { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px; }
.strat-tab { padding:6px 14px; background:var(--bg); border:1px solid var(--border); border-radius:999px; color:var(--text-dim); font-size:13px; cursor:pointer; transition:all .15s; }
.strat-tab:hover { border-color:var(--accent); color:var(--text); }
.strat-tab.active { background:var(--accent); color:#052028; border-color:var(--accent); font-weight:600; }
.strat-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px, 1fr)); gap:16px; }
.strat-card { padding:24px; background:rgba(0,217,192,0.03); border:1px solid var(--border); border-radius:var(--radius); position:relative; transition:border-color .2s; }
.strat-card:hover { border-color:var(--accent); }
.strat-card.purchased { border-color:var(--accent); background:rgba(0,217,192,0.06); }
.strat-card h3 { font-size:16px; margin-bottom:4px; color:var(--text-bright); }
.strat-card .strat-meta { display:flex; gap:8px; margin:8px 0; flex-wrap:wrap; }
.strat-card .strat-meta span { padding:2px 8px; background:rgba(255,255,255,0.04); border-radius:4px; font-size:11px; color:var(--text-dim); }
.strat-card .strat-desc { color:var(--text-dim); font-size:13px; line-height:1.5; margin:10px 0; }
.strat-card .strat-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin:12px 0; }
.strat-card .strat-stat { text-align:center; }
.strat-card .strat-stat-val { font-size:18px; font-weight:700; color:var(--accent-2); }
.strat-card .strat-stat-lbl { font-size:10px; color:var(--text-dim); text-transform:uppercase; }
.strat-card .strat-price { font-size:22px; font-weight:800; color:var(--accent-2); margin:10px 0 12px; }
.strat-card .strat-actions { display:flex; gap:8px; align-items:center; }
.strat-card .strat-type { position:absolute; top:12px; right:12px; padding:2px 8px; border-radius:4px; font-size:10px; font-weight:600; text-transform:uppercase; }
.strat-type-signal { background:rgba(59,130,246,0.15); color:#93c5fd; }
.strat-type-tool { background:rgba(168,85,247,0.15); color:#c4b5fd; }
.strat-type-copytrade { background:rgba(251,191,36,0.15); color:#fcd34d; }
.btn-sm { padding:6px 14px; font-size:13px; border-radius:8px; cursor:pointer; border:none; font-family:inherit; font-weight:600; transition:all .15s; }
.btn-buy { background:var(--accent); color:#052028; }
.btn-buy:hover { background:var(--accent-2); }
.btn-activate { background:rgba(0,217,192,0.15); color:var(--accent); border:1px solid var(--accent); }
.btn-activate:hover { background:var(--accent); color:#052028; }
.btn-deactivate { background:rgba(239,68,68,0.1); color:#fca5a5; border:1px solid rgba(239,68,68,0.3); }
.btn-purchased { background:rgba(0,217,192,0.08); color:var(--accent); border:1px solid var(--border); cursor:default; }

/* API 키 설정 */
.tv-conn-box { display:flex; align-items:center; gap:12px; margin-bottom:16px; padding:12px 16px; background:rgba(255,255,255,0.02); border:1px solid var(--border); border-radius:var(--radius); }
.tv-conn-label { font-weight:600; color:var(--text-bright); }
.api-key-form { }
.api-key-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(200px, 1fr)); gap:16px; margin-bottom:16px; }
.api-key-grid label { display:block; color:var(--text-dim); font-size:12px; margin-bottom:6px; }
.api-key-grid input, .api-key-grid select { width:100%; padding:10px 12px; background:var(--bg); border:1px solid var(--border-bright); border-radius:8px; color:var(--text); font-size:14px; font-family:inherit; }
.api-key-grid input:focus, .api-key-grid select:focus { outline:none; border-color:var(--accent); }
.api-key-actions { display:flex; gap:12px; align-items:center; flex-wrap:wrap; }
.btn-danger { background:rgba(239,68,68,0.15); color:#fca5a5; border:1px solid rgba(239,68,68,0.3); border-radius:8px; cursor:pointer; font-family:inherit; font-size:14px; font-weight:600; }
.btn-danger:hover { background:rgba(239,68,68,0.25); }
.tv-test-result { margin-top:12px; padding:10px 14px; border-radius:8px; font-size:13px; display:none; }
.tv-test-ok { display:block; background:rgba(0,217,192,0.08); border:1px solid var(--accent); color:var(--accent); }
.tv-test-err { display:block; background:rgba(239,68,68,0.08); border:1px solid rgba(239,68,68,0.3); color:#fca5a5; }

@media (max-width: 640px) {
  .app-shell { padding:16px 12px 60px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap:10px; }
  .stat-big { font-size:24px; }
  .sim-order { flex-direction:column; }
  .sim-order select, .sim-order input { width:100%; }
  .challenge-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .check-grid { grid-template-columns: 1fr; }
  .panel { padding:20px 16px; }
  .panel h2 { font-size:18px; }
  .strat-grid { grid-template-columns: 1fr; }
  .api-key-grid { grid-template-columns: 1fr; }
  .strat-tabs { gap:6px; }
  .strat-tab { padding:5px 10px; font-size:12px; }
}
@media (max-width: 400px) {
  .stats-row { grid-template-columns: 1fr; }
}