:root {
  --bg: #0d1117;
  --card: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --text-dim: #8b949e;
  --cyan: #00d4ff;
  --green: #00ff88;
  --red: #ff4444;
  --yellow: #ffa500;
  --purple: #a371f7;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', monospace;
  font-size: 14px;
}

/* NAV */
nav {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  white-space: nowrap;
}

.nav-links { display: flex; gap: 4px; }

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.15s;
  font-size: 14px;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.nav-status {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* LAYOUT */
.container { max-width: 1400px; margin: 0 auto; padding: 24px; }

h1 { font-size: 22px; font-weight: 600; margin-bottom: 4px; }
.page-subtitle { color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }

/* STATS CARDS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .stats-grid { grid-template-columns: 1fr; } }

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.stat-label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--cyan); }
.stat-sub { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

/* CARDS */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.card-title { font-size: 15px; font-weight: 600; }

/* TABLES */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }

th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

th:hover { color: var(--text); }

td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(48,54,61,0.5);
  vertical-align: middle;
  font-size: 13px;
}

tr:hover td { background: rgba(255,255,255,0.025); }
tr:last-child td { border-bottom: none; }

/* BADGES */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-buy { background: rgba(0,255,136,0.15); color: var(--green); }
.badge-sell { background: rgba(255,68,68,0.15); color: var(--red); }
.badge-platform { background: rgba(0,212,255,0.1); color: var(--cyan); }
.badge-actor { background: rgba(163,113,247,0.15); color: var(--purple); }

.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}

.score-low { background: rgba(0,255,136,0.15); color: var(--green); }
.score-mid { background: rgba(255,165,0,0.15); color: var(--yellow); }
.score-high { background: rgba(255,68,68,0.15); color: var(--red); }

/* GAIN */
.gain-pos { color: var(--green); font-weight: 600; }
.gain-neg { color: var(--red); font-weight: 600; }
.gain-na { color: var(--text-dim); }

/* AMOUNT */
.amount { font-family: monospace; white-space: nowrap; }

/* FORMS */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; color: var(--text-dim); font-weight: 500; }

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

input:focus, select:focus, textarea:focus { border-color: var(--cyan); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary { background: var(--cyan); color: #000; }
.btn-primary:hover { background: #00b8d9; }

.btn-danger { background: rgba(255,68,68,0.15); color: var(--red); border: 1px solid rgba(255,68,68,0.3); }
.btn-danger:hover { background: rgba(255,68,68,0.25); }

.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* TOGGLE */
.toggle {
  position: relative;
  display: inline-block;
  width: 40px; height: 22px;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border);
  border-radius: 22px;
  transition: 0.3s;
}

.toggle-slider:before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.3s;
}

.toggle input:checked + .toggle-slider { background: var(--cyan); }
.toggle input:checked + .toggle-slider:before { transform: translateX(18px); }

/* FILTERS */
.filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filters select, .filters input { width: auto; min-width: 140px; }

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-dim);
}

.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 15px; }

/* ALERT BANNER */
.alert-banner {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
}

.alert-success { background: rgba(0,255,136,0.1); border: 1px solid rgba(0,255,136,0.3); color: var(--green); }
.alert-error { background: rgba(255,68,68,0.1); border: 1px solid rgba(255,68,68,0.3); color: var(--red); }

/* REFRESH indicator */
.refresh-info { font-size: 12px; color: var(--text-dim); }

/* Monitor list item */
.monitor-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin-bottom: 8px;
  transition: border-color 0.15s;
}

.monitor-item:hover { border-color: var(--cyan); }
.monitor-item.disabled { opacity: 0.5; }

.monitor-info { flex: 1; }
.monitor-name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.monitor-meta { color: var(--text-dim); font-size: 12px; }

.monitor-actions { display: flex; gap: 8px; align-items: center; }