*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #22263a;
  --border: #2d3147;
  --text: #e2e8f0;
  --text-sub: #8892a4;
  --green: #22c55e;
  --red: #ef4444;
  --blue: #3b82f6;
  --yellow: #f59e0b;
  --radius: 8px;
}

body { background: var(--bg); color: var(--text); font-family: 'Segoe UI', system-ui, sans-serif; font-size: 14px; line-height: 1.5; }

.container { max-width: 1400px; margin: 0 auto; padding: 16px; }

/* Header */
.header { display: flex; align-items: center; justify-content: space-between; padding: 16px 0 24px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.header h1 { font-size: 20px; font-weight: 700; }
.header-right { display: flex; align-items: center; gap: 12px; }

.status-badge { font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 20px; }
.status-running { background: rgba(34,197,94,.15); color: var(--green); }
.status-stopped { background: rgba(239,68,68,.15); color: var(--red); }

.btn { padding: 6px 16px; border-radius: var(--radius); border: none; cursor: pointer; font-size: 13px; font-weight: 600; transition: opacity .2s; }
.btn:hover { opacity: .8; }
.btn-danger { background: var(--red); color: #fff; }
.btn-primary { background: var(--blue); color: #fff; }

/* Cards */
.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
@media (max-width: 900px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .cards-grid { grid-template-columns: 1fr; } }

.card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card-label { font-size: 12px; color: var(--text-sub); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.card-value { font-size: 24px; font-weight: 700; }
.card-sub { font-size: 13px; color: var(--text-sub); margin-top: 4px; }
.card-value.positive { color: var(--green); }
.card-value.negative { color: var(--red); }

/* Sections */
.section { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.section h2 { font-size: 15px; font-weight: 600; margin-bottom: 16px; color: var(--text); }

/* Chart */
.chart-container { position: relative; height: 240px; }

/* Tables */
.table-wrapper { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; font-size: 12px; color: var(--text-sub); text-transform: uppercase; letter-spacing: .04em; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg3); }
.empty { text-align: center; color: var(--text-sub); padding: 24px !important; }

.positive { color: var(--green); }
.negative { color: var(--red); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.badge-buy { background: rgba(34,197,94,.15); color: var(--green); }
.badge-sell { background: rgba(239,68,68,.15); color: var(--red); }

/* Tab Navigation */
.tab-nav { display: flex; gap: 8px; margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 0; }
.tab-btn { background: none; border: none; color: var(--text-sub); font-size: 14px; font-weight: 600; padding: 10px 16px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color .2s, border-color .2s; }
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--blue); border-bottom-color: var(--blue); }

/* Analyze Form */
.analyze-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.analyze-form select, .analyze-input { background: var(--bg3); border: 1px solid var(--border); color: var(--text); border-radius: var(--radius); padding: 7px 12px; font-size: 13px; }
.analyze-input { flex: 1; min-width: 140px; }
.analyze-sample { font-size: 12px; color: var(--text-sub); margin-top: 8px; }
.loading-spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite; vertical-align: middle; margin-right: 4px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Analyze Result */
.analyze-info { display: flex; gap: 24px; flex-wrap: wrap; font-size: 14px; margin-bottom: 12px; }
.analyze-info span { color: var(--text-sub); }
.analyze-info b { color: var(--text); }
.signal-buy { color: var(--green); font-weight: 700; }
.signal-sell { color: var(--red); font-weight: 700; }
.signal-hold { color: var(--yellow); font-weight: 700; }

/* Recommendation Grid */
.rec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.rec-card { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; text-align: center; }
.rec-card .rec-label { font-size: 11px; color: var(--text-sub); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.rec-card .rec-value { font-size: 18px; font-weight: 700; }
.rec-card .rec-pct { font-size: 12px; margin-top: 4px; }
@media (max-width: 600px) { .rec-grid { grid-template-columns: 1fr; } }

/* TradingView Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal-box { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; width: 90%; max-width: 900px; position: relative; }
.modal-close { position: absolute; top: 12px; right: 12px; background: none; border: none; color: var(--text-sub); font-size: 20px; cursor: pointer; z-index: 1; }
.modal-close:hover { color: var(--text); }

/* Chart button in table */
.btn-chart { background: none; border: 1px solid var(--border); color: var(--text-sub); border-radius: 4px; padding: 2px 8px; cursor: pointer; font-size: 13px; }
.btn-chart:hover { border-color: var(--blue); color: var(--blue); }

/* Strategy Cards */
.strategy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 900px) { .strategy-grid { grid-template-columns: 1fr; } }

.strat-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.strat-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 10px; border-bottom: 1px solid var(--border); }
.strat-title { font-size: 15px; font-weight: 700; color: var(--text); }
.strat-title small { display: block; font-size: 11px; color: var(--text-sub); font-weight: 400; margin-top: 2px; }
.badge-active   { background: rgba(34,197,94,.15);  color: var(--green);  padding: 3px 9px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.badge-standby  { background: rgba(251,191,36,.15); color: #f59e0b;        padding: 3px 9px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.badge-inactive { background: rgba(100,100,120,.15); color: var(--text-sub); padding: 3px 9px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.badge-ref      { background: rgba(59,130,246,.12); color: var(--blue);   padding: 3px 9px; border-radius: 4px; font-size: 11px; font-weight: 700; }

.strat-body { padding: 12px 16px 14px; }
.strat-tf { font-size: 12px; color: var(--text-sub); margin-bottom: 10px; }
.strat-tf b { color: var(--yellow); }

.strat-cond { display: flex; flex-direction: column; gap: 6px; }
.cond-row { display: flex; gap: 8px; font-size: 12px; line-height: 1.5; }
.cond-label { flex-shrink: 0; font-weight: 700; font-size: 11px; padding: 2px 7px; border-radius: 3px; margin-top: 1px; }
.cond-buy  { background: rgba(34,197,94,.15);  color: var(--green); }
.cond-sell { background: rgba(239,68,68,.15);  color: var(--red); }
.cond-text { color: var(--text); }

.strategy-section-title { font-size: 13px; font-weight: 700; color: var(--text-sub); text-transform: uppercase; letter-spacing: .06em; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }

.strat-stats { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-sub); }
.strat-stats span b { font-weight: 700; }
.badge-inactive { background: rgba(100,100,120,.15); color: var(--text-sub); padding: 3px 9px; border-radius: 4px; font-size: 11px; font-weight: 700; }

/* Screening Tab */
.screen-count { font-size: 13px; font-weight: 400; color: var(--text-sub); margin-left: 6px; }
.screen-time  { font-size: 12px; font-weight: 400; color: var(--text-sub); margin-left: 8px; opacity: 0.7; }
.score-bar { display: inline-flex; gap: 2px; vertical-align: middle; }
.score-star { font-size: 11px; color: var(--yellow); }
.score-star.empty { color: var(--border); }
.trend-bull { color: var(--green); font-weight: 700; }
.trend-bear { color: var(--red); font-weight: 700; }
.trend-neu  { color: var(--text-sub); }
.reason-tag { display: inline-block; background: var(--bg3); border: 1px solid var(--border); border-radius: 3px; font-size: 11px; padding: 1px 5px; margin: 1px 2px; color: var(--text-sub); white-space: nowrap; }

/* DB Tab */
.db-group { margin-bottom: 28px; }
.db-group-title { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }

/* ML봇 Tab */
#mlbot-stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
@media (max-width: 900px) { #mlbot-stats-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { #mlbot-stats-row { grid-template-columns: 1fr; } }