:root {
  --bg-base: #0a0e17;
  --bg-surface: #111827;
  --bg-card: #161f30;
  --bg-card-hover: #1c273c;
  --bg-highlight: #1f2d45;
  --border-color: #223048;
  --border-subtle: #1a2538;
  
  --text-main: #f3f4f6;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --color-brand: #3b82f6;
  --color-brand-light: #60a5fa;
  --color-brand-glow: rgba(59, 130, 246, 0.25);
  
  --color-kite: #f97316;
  --color-kite-hover: #ea580c;
  --color-kite-glow: rgba(249, 115, 22, 0.35);

  --color-pos: #10b981;
  --color-pos-bg: rgba(16, 185, 129, 0.12);
  --color-pos-border: rgba(16, 185, 129, 0.3);
  
  --color-neg: #f43f5e;
  --color-neg-bg: rgba(244, 63, 94, 0.12);
  --color-neg-border: rgba(244, 63, 94, 0.3);
  
  --color-warn: #f59e0b;
  --color-warn-bg: rgba(245, 158, 11, 0.12);
  
  --color-purple: #a855f7;
  --color-purple-bg: rgba(168, 85, 247, 0.15);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ==========================================================================
   Header & Top Nav
   ========================================================================== */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.35);
}

.brand-icon svg {
  width: 22px;
  height: 22px;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  background: linear-gradient(90deg, #60a5fa, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Portfolio Ticker Header */
.portfolio-stats-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: rgba(10, 14, 23, 0.6);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.stat-pill {
  display: flex;
  flex-direction: column;
  padding: 0 0.5rem;
  border-right: 1px solid var(--border-subtle);
}

.stat-pill:last-child {
  border-right: none;
}

.stat-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

.stat-val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.connection-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.connection-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #94a3b8;
}

.connection-badge.live {
  border-color: var(--color-pos-border);
  color: var(--color-pos);
  background-color: var(--color-pos-bg);
}
.connection-badge.live .dot {
  background-color: var(--color-pos);
  box-shadow: 0 0 10px var(--color-pos);
}

.connection-badge.simulated {
  border-color: rgba(96, 165, 250, 0.4);
  color: var(--color-brand-light);
}
.connection-badge.simulated .dot {
  background-color: var(--color-brand-light);
  box-shadow: 0 0 8px var(--color-brand-light);
}

/* Callout Banner */
.connection-callout-banner {
  background: linear-gradient(90deg, rgba(249, 115, 22, 0.15), rgba(59, 130, 246, 0.15));
  border-bottom: 1px solid rgba(249, 115, 22, 0.3);
  padding: 0.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.callout-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
}

.callout-icon {
  font-size: 1.1rem;
}

.callout-content strong {
  color: #fdba74;
}

.callout-content span {
  color: #cbd5e1;
}

/* ==========================================================================
   Buttons & Inputs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.5);
  transform: translateY(-1px);
}

.btn-kite {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #fff;
  box-shadow: 0 2px 10px rgba(249, 115, 22, 0.35);
}
.btn-kite:hover {
  background: linear-gradient(135deg, #fb923c, #f97316);
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.55);
  transform: translateY(-1px);
}

.btn-glow {
  animation: pulseGlow 2.5s infinite;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(37, 99, 235, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-main);
}
.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--color-brand-light);
}

.btn-danger {
  background: linear-gradient(135deg, #e11d48, #be123c);
  color: #fff;
}
.btn-danger:hover {
  background: linear-gradient(135deg, #f43f5e, #e11d48);
}

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
}

.btn-tiny {
  padding: 0.22rem 0.55rem;
  font-size: 0.7rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-danger-outline {
  background-color: transparent;
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: #fb7185;
}
.btn-danger-outline:hover {
  background-color: rgba(244, 63, 94, 0.18);
  border-color: #f43f5e;
  color: #fff;
}

.history-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.25rem 0.65rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.history-controls-bar .subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Main Layout & Symbol Bar
   ========================================================================== */
.main-layout {
  max-width: 1680px;
  margin: 0 auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.symbol-bar {
  display: grid;
  grid-template-columns: 340px 1fr 340px;
  gap: 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem;
  align-items: center;
}

.label-tiny {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-subtle);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 0.35rem;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.25rem 0.35rem;
  transition: border-color 0.2s ease;
}

.search-input-wrapper:focus-within {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 2px var(--color-brand-glow);
}

.search-icon {
  margin-left: 0.5rem;
  color: var(--text-subtle);
}

.search-input-wrapper input {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.4rem 0.6rem;
  width: 100%;
  outline: none;
  text-transform: uppercase;
}

.symbol-presets {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip:hover {
  border-color: var(--color-brand);
  color: var(--text-main);
}

.chip.active {
  background-color: var(--color-brand-glow);
  border-color: var(--color-brand);
  color: var(--color-brand-light);
}

/* Spot Ticker Card */
.spot-card {
  background: linear-gradient(145deg, #131c2d, #182338);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.spot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.spot-sym {
  font-size: 0.85rem;
  font-weight: 700;
  color: #93c5fd;
}

.spot-body {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.spot-price {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff;
}

.spot-change {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.spot-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.4rem;
}

/* ==========================================================================
   Filters & Criteria Row
   ========================================================================== */
.filters-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
}

.criteria-statement {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge-criteria {
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.criteria-text {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.criteria-text strong {
  color: #cbd5e1;
}

.filter-tabs {
  display: flex;
  gap: 0.4rem;
}

.tab-btn {
  background-color: var(--bg-base);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.tab-btn.active {
  background-color: var(--bg-card);
  border-color: var(--color-brand);
  color: #fff;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.25);
}

/* ==========================================================================
   Workspace Split Grid
   ========================================================================== */
.workspace-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
  align-items: start;
}

.pane-header {
  margin-bottom: 1rem;
}

.pane-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
}

.highlight-text {
  color: var(--color-brand-light);
}

.subtext {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Strategy Cards Deck */
.strategy-cards-deck {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.strategy-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.strategy-card:hover {
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.strategy-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.strategy-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.strategy-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tag-badge {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.tag-unlimited {
  background-color: var(--color-purple-bg);
  border: 1px solid rgba(168, 85, 247, 0.4);
  color: #c084fc;
}

.tag-hedged {
  background-color: var(--color-pos-bg);
  border: 1px solid var(--color-pos-border);
  color: var(--color-pos);
}

.strategy-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 620px;
}

/* Metrics Grid Inside Card */
.strategy-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.metric-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
}

.val-unlimited {
  color: #c084fc;
  font-weight: 800;
}

.val-loss {
  color: var(--color-neg);
}

.val-credit {
  color: var(--color-pos);
}

/* Legs Table Inside Strategy Card */
.legs-table-wrapper {
  overflow-x: auto;
}

.legs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.legs-table th {
  text-align: left;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-subtle);
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: 0.05em;
}

.legs-table td {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
}

.badge-leg-action {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  display: inline-block;
}

.badge-sell {
  background-color: var(--color-neg-bg);
  border: 1px solid var(--color-neg-border);
  color: var(--color-neg);
}

.badge-buy {
  background-color: var(--color-pos-bg);
  border: 1px solid var(--color-pos-border);
  color: var(--color-pos);
}

/* Payoff Chart Container */
.payoff-chart-wrapper {
  background-color: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  position: relative;
}

.payoff-canvas {
  width: 100%;
  height: 110px;
  display: block;
}

.chart-legend {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-subtle);
  margin-top: 0.35rem;
  padding: 0 0.25rem;
}

/* Strategy Card Action Footer */
.strategy-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
}

.be-label {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.be-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
}

.btn-execute {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.55rem 1.25rem;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-md);
}

.btn-execute:hover {
  background: linear-gradient(135deg, #34d399, #10b981);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.5);
  transform: translateY(-1px);
}

/* ==========================================================================
   Right Column: Portfolio & Trade Desk
   ========================================================================== */
.portfolio-pane {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: sticky;
  top: 5rem;
  max-height: calc(100vh - 6.5rem);
}

.pane-tabs {
  display: flex;
  background-color: var(--bg-base);
  border-bottom: 1px solid var(--border-color);
}

.pane-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.75rem 0.5rem;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

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

.pane-tab.active {
  color: var(--color-brand-light);
  border-bottom-color: var(--color-brand);
  background-color: rgba(59, 130, 246, 0.05);
}

.pane-content {
  display: none;
  padding: 1rem;
  overflow-y: auto;
  flex: 1;
}

.pane-content.active {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Active Trade Card */
.trade-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: border-color 0.2s ease;
}

.trade-card:hover {
  border-color: var(--color-brand-light);
}

.trade-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.trade-id {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-subtle);
}

.trade-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
}

.trade-pnl-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-base);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-subtle);
}

.trade-mtm-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
}

/* Trade Legs Micro Table */
.trade-legs-micro {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.micro-leg-row {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0.4rem;
  background-color: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
}

.trade-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border-subtle);
}

.trade-time {
  font-size: 0.68rem;
  color: var(--text-subtle);
}

/* Raw JSON DB Viewer */
.json-db-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.json-db-viewer {
  background-color: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #93c5fd;
  overflow-x: auto;
  max-height: 480px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-subtle);
  gap: 0.75rem;
}

.empty-state svg {
  color: var(--text-subtle);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 0.78rem;
  max-width: 320px;
  line-height: 1.4;
}

/* PnL Helpers */
.pnl-pos {
  color: var(--color-pos);
}
.pnl-neg {
  color: var(--color-neg);
}
.pnl-neutral {
  color: var(--text-muted);
}

/* ==========================================================================
   Modals & Tabs
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-backdrop.active {
  display: flex;
}

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  animation: modalIn 0.2s ease-out;
  overflow: hidden;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-badge-kite {
  display: inline-block;
  background-color: var(--color-kite);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.modal-title-group h3 {
  font-size: 1.15rem;
  font-weight: 700;
}
.modal-title-group p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-subtle);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover {
  color: #fff;
}

.modal-tabs {
  display: flex;
  background-color: var(--bg-base);
  border-bottom: 1px solid var(--border-color);
}

.modal-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.65rem 0.5rem;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  text-align: center;
}

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

.modal-tab.active {
  color: var(--color-kite);
  border-bottom-color: var(--color-kite);
  background-color: rgba(249, 115, 22, 0.08);
}

.modal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.modal-tab-content {
  display: none;
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-base);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

.form-input {
  background-color: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  border-color: var(--color-kite);
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-size: 0.75rem;
  color: #93c5fd;
}

/* ==========================================================================
   Toasts & Animations
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 1000;
}

.toast {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--color-brand);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  font-size: 0.82rem;
  color: #fff;
  min-width: 280px;
  animation: toastIn 0.25s ease-out forwards;
}

.toast.success {
  border-left-color: var(--color-pos);
}
.toast.error {
  border-left-color: var(--color-neg);
}

@keyframes toastIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(59, 130, 246, 0.2);
  border-top-color: var(--color-brand);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 4rem 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 1200px) {
  .symbol-bar {
    grid-template-columns: 1fr;
  }
  .workspace-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-pane {
    position: static;
    max-height: none;
  }
}