/*
 * Modulon Trading Demo - Premium Dark Theme
 * A professional trading UI design system
 */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Colors - Dark Theme */
  --bg-primary: #0a0e17;
  --bg-secondary: #0f1419;
  --bg-tertiary: #151c25;
  --bg-elevated: #1a222e;
  --bg-hover: #1f2937;
  --bg-active: #273447;

  /* Borders */
  --border-primary: #1e2a3a;
  --border-secondary: #2d3f54;
  --border-focus: #3b82f6;

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-disabled: #475569;

  /* Accent Colors */
  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-secondary: #8b5cf6;

  /* Semantic Colors */
  --color-profit: #10b981;
  --color-profit-bg: rgba(16, 185, 129, 0.1);
  --color-profit-text: #34d399;
  --color-loss: #ef4444;
  --color-loss-bg: rgba(239, 68, 68, 0.1);
  --color-loss-text: #f87171;
  --color-warning: #f59e0b;
  --color-info: #06b6d4;

  /* Bid/Ask (Trading) */
  --color-bid: #10b981;
  --color-bid-bg: rgba(16, 185, 129, 0.08);
  --color-ask: #ef4444;
  --color-ask-bg: rgba(239, 68, 68, 0.08);

  /* Chart Colors */
  --chart-candle-up: #10b981;
  --chart-candle-down: #ef4444;
  --chart-grid: #1e2a3a;
  --chart-crosshair: #64748b;

  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

  /* Transitions */
  --transition-fast: 100ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-Indices */
  --z-dropdown: 100;
  --z-modal-backdrop: 200;
  --z-modal: 210;
  --z-tooltip: 300;
  --z-notification: 400;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-elevated: #ffffff;
  --bg-hover: #e2e8f0;
  --bg-active: #cbd5e1;

  --border-primary: #e2e8f0;
  --border-secondary: #cbd5e1;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-disabled: #94a3b8;

  --chart-grid: #e2e8f0;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Focus Styles (Accessibility) */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
}

.mono {
  font-family: var(--font-mono);
}

.muted {
  color: var(--text-muted);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--border-secondary);
}

.btn:active:not(:disabled) {
  background: var(--bg-active);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-primary-hover);
  border-color: var(--accent-primary-hover);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border-secondary);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: transparent;
}

.btn-buy {
  background: var(--color-profit);
  border-color: var(--color-profit);
  color: white;
}

.btn-buy:hover:not(:disabled) {
  background: #0d9668;
}

.btn-sell {
  background: var(--color-loss);
  border-color: var(--color-loss);
  color: white;
}

.btn-sell:hover:not(:disabled) {
  background: #dc2626;
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 12px;
}

.btn-icon {
  padding: var(--space-sm);
  min-width: 32px;
  min-height: 32px;
}

.btn-icon .icon {
  font-size: 16px;
}

.btn-detach {
  opacity: 0.6;
}

.btn-detach:hover {
  opacity: 1;
}

/* ============================================
   Badges & Pills
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.badge-muted {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

.badge-profit {
  background: var(--color-profit-bg);
  color: var(--color-profit-text);
}

.badge-loss {
  background: var(--color-loss-bg);
  color: var(--color-loss-text);
}

.badge-primary {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
}

.lock-badge {
  font-size: 14px;
  cursor: help;
}

/* ============================================
   Form Elements
   ============================================ */
.input,
.select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: inherit;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

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

.input::placeholder {
  color: var(--text-muted);
}

.input-group {
  display: flex;
  gap: var(--space-sm);
}

.input-group .input {
  flex: 1;
}

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

/* ============================================
   App Layout
   ============================================ */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.toolbar-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--border-primary);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 16px;
  font-weight: 700;
}

.logo-icon {
  font-size: 20px;
}

.logo-accent {
  color: var(--accent-primary);
}

/* Connection Status */
.connection-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 12px;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-profit);
}

.status-dot.status-connecting {
  background: var(--color-warning);
  animation: pulse 1.5s ease-in-out infinite;
}

.status-dot.status-disconnected {
  background: var(--color-loss);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

/* Market Ticker */
.market-ticker {
  display: flex;
  gap: var(--space-lg);
  font-size: 12px;
  font-family: var(--font-mono);
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ticker-symbol {
  font-weight: 600;
  color: var(--text-primary);
}

.ticker-price {
  color: var(--text-secondary);
}

.ticker-change {
  font-size: 11px;
}

.ticker-change.up {
  color: var(--color-profit);
}

.ticker-change.down {
  color: var(--color-loss);
}

/* ============================================
   Trading Grid Layout
   ============================================ */
.trading-grid {
  display: grid;
  grid-template-columns: 280px 1fr 300px;
  grid-template-rows: 1fr;
  gap: 1px;
  flex: 1;
  background: var(--border-primary);
  overflow: hidden;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border-primary);
  overflow: hidden;
}

.sidebar-left .pane:first-child {
  flex: 0 0 auto;
  max-height: 45%;
}

.sidebar-left .pane:last-child {
  flex: 1;
}

.sidebar-right .pane {
  flex: 1;
}

.sidebar-right .pane-activity {
  flex: 0 0 200px;
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border-primary);
  overflow: hidden;
}

.main-content .pane-chart {
  flex: 1;
}

.main-content .pane-sdk-insights {
  flex: 0 0 auto;
  max-height: 150px;
}

/* ============================================
   Panes
   ============================================ */
.pane {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  overflow: hidden;
  position: relative;
}

/* Resizable panes in sidebars */
.sidebar .pane {
  resize: vertical;
  overflow: auto;
  min-height: 100px;
}

.sidebar .pane::-webkit-resizer {
  background: var(--border-primary);
  border-radius: 2px;
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.pane-header-compact {
  padding: var(--space-xs) var(--space-md);
}

.pane-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.pane-icon {
  font-size: 14px;
}

.pane-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.pane-body {
  flex: 1;
  padding: var(--space-md);
  overflow: auto;
}

.pane-body-chart {
  padding: 0;
  position: relative;
}

.pane-body-activity {
  padding: 0;
}

.pane-body-sdk {
  padding: var(--space-sm) var(--space-md);
}

/* Placeholder when detached */
.pane-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-primary);
  border: 2px dashed var(--border-secondary);
  border-radius: var(--radius-md);
  height: 100%;
}

.pane-placeholder-icon {
  font-size: 32px;
  opacity: 0.5;
}

/* ============================================
   Chart Component
   ============================================ */
#chart-canvas {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
}

.chart-crosshair {
  position: absolute;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 11px;
}

.crosshair-price {
  position: absolute;
  right: 4px;
  background: var(--accent-primary);
  color: white;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.crosshair-time {
  position: absolute;
  bottom: 4px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.timeframe-selector {
  display: flex;
  gap: 2px;
  background: var(--bg-primary);
  padding: 2px;
  border-radius: var(--radius-md);
}

.timeframe-selector .btn {
  padding: 4px 8px;
  font-size: 11px;
  background: transparent;
  border: none;
}

.timeframe-selector .btn.active {
  background: var(--accent-primary);
  color: white;
}

/* Chart Symbol Dropdown */
.chart-symbol-select {
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 4px 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  min-width: 100px;
  font-family: inherit;
}

.chart-symbol-select:hover {
  border-color: var(--accent-primary);
}

.chart-symbol-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* ============================================
   Watchlist Component
   ============================================ */
.watchlist {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.watchlist-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.watchlist-item:hover {
  background: var(--bg-hover);
}

.watchlist-item.active {
  background: var(--bg-active);
  border-left: 3px solid var(--accent-primary);
}

.watchlist-symbol {
  font-weight: 600;
  font-size: 13px;
}

.watchlist-price {
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: right;
}

.watchlist-change {
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: right;
  min-width: 60px;
}

.watchlist-change.up {
  color: var(--color-profit);
}

.watchlist-change.down {
  color: var(--color-loss);
}

/* ============================================
   Order Book Component
   ============================================ */
.orderbook {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.orderbook-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
}

.orderbook-asks,
.orderbook-bids {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.orderbook-asks {
  flex-direction: column-reverse;
}

.orderbook-spread {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-primary);
  border-bottom: 1px solid var(--border-primary);
}

.orderbook-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-sm);
  padding: 2px var(--space-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  position: relative;
  cursor: pointer;
}

.orderbook-row:hover {
  background: var(--bg-hover);
}

.orderbook-row-bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  opacity: 0.15;
}

.orderbook-asks .orderbook-row-bg {
  background: var(--color-ask);
}

.orderbook-bids .orderbook-row-bg {
  background: var(--color-bid);
}

.orderbook-price {
  font-weight: 500;
}

.orderbook-asks .orderbook-price {
  color: var(--color-ask);
}

.orderbook-bids .orderbook-price {
  color: var(--color-bid);
}

.orderbook-size,
.orderbook-total {
  text-align: right;
  color: var(--text-secondary);
}

/* ============================================
   Order Entry Component
   ============================================ */
.order-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.order-tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-primary);
  padding: 2px;
  border-radius: var(--radius-md);
}

.order-tab {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: transparent;
  color: var(--text-secondary);
}

.order-tab.buy.active {
  background: var(--color-profit);
  color: white;
}

.order-tab.sell.active {
  background: var(--color-loss);
  color: white;
}

.order-type-tabs {
  display: flex;
  gap: var(--space-sm);
  font-size: 12px;
}

.order-type-tab {
  padding: var(--space-xs) var(--space-sm);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.order-type-tab.active {
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent-primary);
}

.order-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.order-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.order-input-wrapper .input {
  border: none;
  background: transparent;
}

.order-input-suffix {
  padding: 0 var(--space-md);
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.order-summary {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  font-size: 12px;
}

.order-summary-label {
  color: var(--text-muted);
}

.order-summary-value {
  font-family: var(--font-mono);
  font-weight: 500;
}

.order-lock-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius-md);
  font-size: 11px;
  color: var(--color-warning);
}

/* Order Live Price Display */
.order-symbol-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.order-live-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.live-price-value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.live-price-change {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.live-price-change.up {
  background: var(--color-profit-bg);
  color: var(--color-profit);
}

.live-price-change.down {
  background: var(--color-loss-bg);
  color: var(--color-loss);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  top: 60px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  pointer-events: auto;
  animation: toast-in 0.3s ease-out;
  min-width: 280px;
  max-width: 400px;
}

.toast.toast-out {
  animation: toast-out 0.3s ease-in forwards;
}

.toast-icon {
  font-size: 20px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.toast-message {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
}

.toast-close:hover {
  color: var(--text-primary);
}

.toast.toast-success {
  border-left: 4px solid var(--color-profit);
}

.toast.toast-error {
  border-left: 4px solid var(--color-loss);
}

.toast.toast-info {
  border-left: 4px solid var(--accent-primary);
}

@keyframes toast-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toast-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }

  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ============================================
   Positions Component
   ============================================ */
.positions-table {
  width: 100%;
  font-size: 12px;
}

.positions-header {
  display: grid;
  grid-template-columns: 1fr 70px 70px 70px 70px 30px;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-primary);
}

.position-row {
  display: grid;
  grid-template-columns: 1fr 70px 70px 70px 70px 30px;
  gap: var(--space-sm);
  padding: var(--space-sm);
  align-items: center;
  border-bottom: 1px solid var(--border-primary);
}

.position-row:hover {
  background: var(--bg-hover);
}

.btn-close-position {
  padding: 4px 8px;
  font-size: 12px;
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-close-position:hover {
  background: var(--color-loss);
  border-color: var(--color-loss);
  color: white;
}

.position-symbol {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.position-symbol-name {
  font-weight: 600;
}

.position-symbol-side {
  font-size: 10px;
}

.position-symbol-side.long {
  color: var(--color-profit);
}

.position-symbol-side.short {
  color: var(--color-loss);
}

.position-size,
.position-entry,
.position-current {
  font-family: var(--font-mono);
  text-align: right;
}

.position-pnl {
  font-family: var(--font-mono);
  text-align: right;
  font-weight: 600;
}

.position-pnl.profit {
  color: var(--color-profit);
}

.position-pnl.loss {
  color: var(--color-loss);
}

.positions-summary {
  display: flex;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-primary);
  font-size: 12px;
}

.positions-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xl);
  color: var(--text-muted);
  text-align: center;
}

/* ============================================
   Activity Log Component
   ============================================ */
.activity-log {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 11px;
}

.activity-entry {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--border-primary);
}

.activity-entry:hover {
  background: var(--bg-hover);
}

.activity-time {
  color: var(--text-muted);
  flex-shrink: 0;
}

.activity-type {
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 500;
  flex-shrink: 0;
}

.activity-type.order {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-primary);
}

.activity-type.fill {
  background: var(--color-profit-bg);
  color: var(--color-profit);
}

.activity-type.error {
  background: var(--color-loss-bg);
  color: var(--color-loss);
}

.activity-type.sdk {
  background: rgba(139, 92, 246, 0.2);
  color: var(--accent-secondary);
}

.activity-message {
  flex: 1;
  color: var(--text-secondary);
}

/* ============================================
   SDK Insights Component
   ============================================ */
.sdk-insights {
  display: flex;
  gap: var(--space-lg);
  font-size: 11px;
}

.sdk-insight {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.sdk-insight-label {
  color: var(--text-muted);
}

.sdk-insight-value {
  font-family: var(--font-mono);
  color: var(--accent-secondary);
}

.sdk-hint {
  font-size: 10px;
  color: var(--text-muted);
}

.sdk-hint code {
  color: var(--accent-secondary);
}

/* ============================================
   Status Bar
   ============================================ */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-lg);
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-primary);
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.status-bar-left,
.status-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.status-bar-center {
  flex: 1;
  text-align: center;
}

.status-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.status-item .value {
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.powered-by {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.powered-by:hover {
  color: var(--text-primary);
}

.powered-by strong {
  color: var(--accent-secondary);
}

/* ============================================
   Modals
   ============================================ */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

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

.modal-header h2 {
  font-size: 16px;
}

.modal-close {
  font-size: 24px;
  line-height: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-top: 1px solid var(--border-primary);
}

/* ============================================
   Tutorial Overlay
   ============================================ */
.tutorial-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tutorial-overlay.hidden {
  display: none;
}

.tutorial-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
}

.tutorial-modal {
  position: relative;
  width: 90%;
  max-width: 480px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: hidden;
}

.tutorial-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-primary);
}

.tutorial-step-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-primary);
}

.tutorial-body {
  padding: var(--space-xl);
  text-align: center;
}

.tutorial-body h2 {
  margin-bottom: var(--space-md);
  font-size: 20px;
}

.tutorial-body p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.tutorial-footer {
  display: flex;
  justify-content: space-between;
  padding: var(--space-lg);
  border-top: 1px solid var(--border-primary);
}

/* ============================================
   Mobile Warning
   ============================================ */
.mobile-warning {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  align-items: center;
  justify-content: center;
}

.mobile-warning-content {
  padding: var(--space-2xl);
  text-align: center;
  max-width: 400px;
}

.mobile-warning-icon {
  font-size: 64px;
  margin-bottom: var(--space-lg);
}

.mobile-warning h2 {
  margin-bottom: var(--space-md);
}

.mobile-warning p {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

@media (max-width: 900px) {
  .mobile-warning {
    display: flex;
  }

  .app-container {
    display: none;
  }
}

/* ============================================
   Performance Panel (Dev Mode)
   ============================================ */
.perf-panel {
  position: fixed;
  bottom: 40px;
  right: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  font-size: 11px;
  z-index: var(--z-dropdown);
  box-shadow: var(--shadow-md);
}

.perf-panel.hidden {
  display: none;
}

.perf-header {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.perf-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.perf-stat {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
}

.perf-label {
  color: var(--text-muted);
}

.perf-value {
  font-family: var(--font-mono);
  color: var(--accent-primary);
}

/* ============================================
   Loading & Spinners
   ============================================ */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  color: var(--text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-secondary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ============================================
   Utility Classes
   ============================================ */
.hidden {
  display: none !important;
}

.text-profit {
  color: var(--color-profit);
}

.text-loss {
  color: var(--color-loss);
}

.text-center {
  text-align: center;
}

.flex-1 {
  flex: 1;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

/* ============================================
   Hotkeys List
   ============================================ */
.hotkey-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.hotkey-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
}

.hotkey-action {
  font-weight: 500;
}

.hotkey-binding {
  display: flex;
  gap: var(--space-xs);
}

.hotkey-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 0 var(--border-primary);
}

.hotkey-rebind {
  padding: var(--space-xs) var(--space-sm);
  font-size: 11px;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.2s ease;
}

.animate-slideUp {
  animation: slideUp 0.3s ease;
}

/* Price flash animation */
@keyframes flash-green {

  0%,
  100% {
    background: transparent;
  }

  50% {
    background: var(--color-profit-bg);
  }
}

@keyframes flash-red {

  0%,
  100% {
    background: transparent;
  }

  50% {
    background: var(--color-loss-bg);
  }
}

.flash-up {
  animation: flash-green 0.3s ease;
}

.flash-down {
  animation: flash-red 0.3s ease;
}