:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.15);
  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.15);
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.2);
  --accent-purple: #8b5cf6;
  --accent-gold: #f59e0b;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Roboto Mono', 'SF Mono', Menlo, monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.07) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
}

.dashboard-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--bg-card-border);
  border-radius: 16px;
  margin-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  font-size: 24px;
  background: var(--accent-blue-glow);
  padding: 8px;
  border-radius: 12px;
}

.brand h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand span {
  font-size: 12px;
  color: var(--text-secondary);
  display: block;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mode-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.mode-badge.paper {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.mode-badge.live {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.btn-action {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: white;
  border: none;
  padding: 8px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-blue-glow);
}

/* Navigation Tabs */
.tabs-nav {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--bg-card-border);
  padding-bottom: 8px;
}

.tab-button {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-button:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab-button.active {
  color: white;
  background: var(--accent-blue);
  box-shadow: 0 2px 10px var(--accent-blue-glow);
}

.tab-content {
  display: none;
}

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

/* Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--bg-card-border);
  border-radius: 16px;
  padding: 20px;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.metric-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-value {
  font-size: 26px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

.metric-sub {
  font-size: 13px;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.text-blue { color: var(--accent-blue); }

/* Main Grid Layout */
.main-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Chart Canvas Wrappers */
.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

th {
  padding: 12px 14px;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--bg-card-border);
}

td {
  padding: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-family: var(--font-mono);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Strategy Controls */
.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--bg-card-border);
  border-radius: 8px;
  padding: 10px 12px;
  color: white;
  font-family: var(--font-mono);
  font-size: 13px;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px var(--accent-blue-glow);
}

/* Switch */
.switch-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  margin-bottom: 16px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #374151;
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-red);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* Chart Period & View Controls */
.btn-range {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.btn-range:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.btn-range.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 1px 6px var(--accent-blue-glow);
}

/* Interactive Portfolio Assets Cards & Modals */
.clickable-asset-row {
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.clickable-asset-row:hover {
  background: rgba(59, 130, 246, 0.1) !important;
  transform: translateX(2px);
}

.asset-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 12px;
}
.asset-badge.crypto {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.asset-badge.stock {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-card {
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  width: 100%;
  max-width: 750px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-close-btn {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  font-size: 16px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.3);
}

/* Database Filters Bar */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
  background: rgba(0, 0, 0, 0.3);
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--bg-card-border);
}

.filter-input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
}

.filter-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.badge-count {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.4);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
}