:root {
  --bg-main: #070b14;
  --bg-card: #0e1626;
  --bg-card-hover: #141f36;
  --border-color: #1c2b48;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: rgba(14, 22, 38, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  color: var(--accent-blue);
  font-size: 22px;
}

.highlight {
  color: var(--accent-cyan);
}

.badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge.paused {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-yellow);
  border-color: rgba(245, 158, 11, 0.3);
}

.latency-pill {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.clock {
  color: var(--text-muted);
  font-size: 13px;
  font-family: monospace;
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff;
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}
.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-blue);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid var(--accent-red);
  color: var(--accent-red);
}
.btn-danger:hover {
  background: var(--accent-red);
  color: #fff;
}

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

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 20px 24px 10px 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.metric-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.metric-icon.green { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.metric-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }
.metric-icon.yellow { background: rgba(245, 158, 11, 0.15); color: var(--accent-yellow); }

.metric-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-info h2 {
  font-size: 22px;
  margin-top: 4px;
  font-weight: 700;
}

/* Tabs */
.nav-tabs {
  display: flex;
  gap: 8px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

/* Main Content Area */
.content-area {
  padding: 24px;
  flex: 1;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.pane-header h3 {
  font-size: 18px;
  font-weight: 600;
}

/* Accounts Grid */
.accounts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.account-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  position: relative;
  transition: border-color 0.2s ease;
}

.account-card:hover {
  border-color: var(--accent-blue);
}

.account-card.master {
  border-left: 4px solid var(--accent-cyan);
}

.account-card.follower {
  border-left: 4px solid var(--accent-purple);
}

.acc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}

.acc-title h4 {
  font-size: 16px;
}

.acc-platform-tag {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--text-muted);
}

.acc-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
}
.acc-status-dot.online { background: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }
.acc-status-dot.offline { background: var(--accent-red); }

.acc-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background: rgba(0, 0, 0, 0.2);
  padding: 12px;
  border-radius: 8px;
}

.stat-item span {
  font-size: 11px;
  color: var(--text-muted);
}

.stat-item strong {
  font-size: 15px;
  display: block;
}

/* Tables */
.table-responsive {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(28, 43, 72, 0.5);
  font-size: 13px;
}

.data-table tr:hover {
  background: var(--bg-card-hover);
}

/* Badges & Tags */
.type-badge {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.type-badge.buy { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.type-badge.sell { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); }

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

.mapping-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-cyan);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
}

/* Terminal Log Window */
.terminal-window {
  background: #04070d;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  height: 500px;
  overflow-y: auto;
  padding: 16px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-entry {
  line-height: 1.4;
  word-break: break-all;
}

.log-entry .time { color: #6b7280; margin-right: 8px; }
.log-entry .src { color: #9ca3af; font-weight: bold; margin-right: 8px; }
.log-entry.INFO .lvl { color: var(--accent-cyan); font-weight: bold; }
.log-entry.SUCCESS .lvl { color: var(--accent-green); font-weight: bold; }
.log-entry.TRADE .lvl { color: #34d399; font-weight: bold; }
.log-entry.WARN .lvl { color: var(--accent-yellow); font-weight: bold; }
.log-entry.ERROR .lvl { color: var(--accent-red); font-weight: bold; }

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 14px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input, .form-group select {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text-main);
  font-size: 13px;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--accent-blue);
  outline: none;
}

.muted-text {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Switch */
.switch-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 90%;
  max-width: 550px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}