:root {
  --bg-main: #080c14;
  --bg-card: #0f172a;
  --bg-card-hover: #131e35;
  --border-color: #1e293b;
  --border-accent: #334155;
  --text-main: #f8fafc;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #38bdf8;
  --accent-primary: #2563eb;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;
  --accent-purple: #a855f7;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg-main);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 60px;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.5px;
}
.brand span.sub {
  color: var(--accent-blue);
  font-size: 11px;
  font-weight: 600;
  background: rgba(56, 189, 248, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: #1e293b;
  color: var(--text-dim);
  border: 1px solid var(--border-accent);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #64748b;
}
.status-dot.on {
  background: var(--accent-green);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}
.mode-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.mode-pill.real {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
}

/* Navigation */
nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 12px;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 53px;
  z-index: 90;
  scrollbar-width: none;
}
nav::-webkit-scrollbar { display: none; }
nav button {
  white-space: nowrap;
  padding: 8px 14px;
  background: #131b2e;
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
nav button:hover {
  background: #1e293b;
  color: var(--text-main);
}
nav button.on {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-blue);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

/* Layout & Cards */
.page { display: none; padding: 12px; }
.page.on { display: block; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.stat-box {
  background: #111a2f;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
}
.stat-box .title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.stat-box .value {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}

/* Buttons & Inputs */
button.btn {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  border-color: #3b82f6;
}
.btn-primary:hover { background: #1d4ed8; }
.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
}
.btn-danger:hover { background: var(--accent-red); color: #fff; }
.btn-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
  border-color: rgba(245, 158, 11, 0.4);
}
.btn-secondary {
  background: #1e293b;
  color: var(--text-dim);
  border-color: var(--border-accent);
}
.btn-secondary:hover { color: #fff; background: #334155; }

input[type="text"], input[type="password"], input[type="number"], select {
  width: 100%;
  padding: 10px 12px;
  background: #090d16;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  margin: 6px 0 12px 0;
  outline: none;
  transition: border-color 0.15s ease;
}
input:focus, select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

/* Category Filters & Tabs */
.filter-bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  margin-bottom: 12px;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.filter-btn {
  padding: 6px 12px;
  background: #111a2f;
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.filter-btn.active {
  background: rgba(56, 189, 248, 0.18);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.pair-tabs-container {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  margin-bottom: 10px;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.pair-tab {
  padding: 6px 12px;
  background: #111a2f;
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.pair-tab.on {
  background: var(--accent-green);
  color: #000;
  border-color: var(--accent-green);
}

/* Chart */
#chartStatus {
  font-size: 12px;
  margin-bottom: 8px;
  font-weight: 600;
}
#chart {
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.badge-green { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-red { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-amber { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-blue { background: rgba(56, 189, 248, 0.2); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.3); }
.badge-purple { background: rgba(168, 85, 247, 0.2); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }

/* Pair Card in Pairs Tab */
.pair-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.pair-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pair-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.pair-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
}
.pair-desc {
  font-size: 11px;
  color: var(--text-dim);
}
.pair-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 6px;
}
.control-group {
  display: flex;
  flex-direction: column;
}
.control-group label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}
.control-group input, .control-group select {
  margin: 2px 0 0 0;
  padding: 6px 8px;
  font-size: 12px;
}

/* Upload Drop Zone */
.upload-zone {
  border: 2px dashed var(--border-accent);
  border-radius: var(--radius-md);
  padding: 28px 16px;
  text-align: center;
  background: #090d16;
  cursor: pointer;
  transition: all 0.2s ease;
}
.upload-zone:hover {
  border-color: var(--accent-blue);
  background: #0d1525;
}

/* News List */
.news-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 10px;
}
.news-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}
.news-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}
.news-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}
.news-verdict-box {
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: #090d16;
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

/* Logs Box */
.logbox {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  background: #080c14;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  max-height: 60vh;
  overflow-y: auto;
  line-height: 1.6;
}
.logbox .warn { color: #facc15; }
.logbox .error { color: #f87171; }
.logbox .info { color: #94a3b8; }

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
th, td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}
th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
}

.hidden { display: none !important; }
.dim { color: var(--text-dim); font-size: 12px; }