:root {
  --bg-primary: #0e121a;
  --bg-secondary: #161c28;
  --bg-card: #1c2434;
  --bg-card-hover: #222c3f;
  --border-color: #263347;
  --text-main: #f0f3fa;
  --text-muted: #8b9bb4;
  --accent-blue: #2962ff;
  --accent-blue-hover: #1e53e5;
  --color-up: #f23645; /* 红涨 (统一国内金融标准) */
  --color-down: #089981; /* 绿跌 */
  --color-gold: #f5a623;
  --color-google: #4285f4;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Header */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-area { display: flex; align-items: center; gap: 12px; }
.logo-badge {
  background: linear-gradient(135deg, #f5a623, #ff3366);
  color: #fff;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 13px;
  letter-spacing: 1px;
}
.logo-title { font-size: 17px; font-weight: 700; color: #fff; }

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

.btn-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-pill:hover { border-color: var(--accent-blue); background: var(--bg-card-hover); }

.btn-google {
  background: #ffffff;
  color: #333333;
  font-weight: 600;
  border: none;
}
.btn-google:hover { background: #f1f3f4; }

.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(66, 133, 244, 0.15);
  border: 1px solid rgba(66, 133, 244, 0.4);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
}
.user-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
}

/* Indices Bar & Real Market Sync */
.btn-market-index {
  background: rgba(41, 98, 255, 0.15);
  color: #64b5f6;
  border: 1px solid rgba(41, 98, 255, 0.4);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-market-index:hover {
  background: rgba(41, 98, 255, 0.3);
  color: #fff;
}

.btn-refresh-real {
  background: rgba(8, 153, 129, 0.15);
  color: #26a69a;
  border: 1px solid rgba(8, 153, 129, 0.4);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-refresh-real:hover {
  background: rgba(8, 153, 129, 0.3);
  color: #fff;
}
.btn-refresh-real.spinning {
  animation: spin 1s infinite linear;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.market-status-badge {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 12px;
  background: rgba(8, 153, 129, 0.12);
  color: #4db6ac;
  border: 1px solid rgba(8, 153, 129, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.indices-ticker {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  padding: 12px 24px;
  background-color: rgba(22, 28, 40, 0.6);
  border-bottom: 1px solid var(--border-color);
}
.index-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: all 0.2s;
  min-height: 64px;
}
.index-card.clickable {
  cursor: pointer;
}
.index-card.clickable:hover {
  border-color: var(--accent-blue);
  background-color: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(41, 98, 255, 0.15);
}
.index-card.active-index {
  border-color: var(--accent-blue);
  background-color: rgba(41, 98, 255, 0.18);
  box-shadow: 0 0 0 1.5px var(--accent-blue);
}

.index-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 120px;
}
.index-val-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.index-name { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.index-val { font-size: 17px; font-weight: 700; color: #fff; }
.index-change { font-size: 12px; font-weight: 600; }

.index-sparkline-wrap {
  width: 95px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.sparkline-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.index-sentiment-bar-wrap {
  width: 95px;
  height: 7px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  margin-top: 4px;
}
.sentiment-meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-down), #f5a623, var(--color-up));
  border-radius: 4px;
  transition: width 0.4s ease;
}
.up { color: var(--color-up); }
.down { color: var(--color-down); }

/* Main Grid Layout */
.main-container {
  display: grid;
  grid-template-columns: 310px 1fr 340px;
  gap: 16px;
  padding: 16px 24px;
  min-height: calc(100vh - 140px);
}

/* Sidebar Watchlist & Search */
.card-panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: calc(100vh - 160px);
}
.panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(28, 36, 52, 0.5);
}

/* Search Bar */
.search-bar-wrap {
  position: relative;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}
.search-input {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 8px 32px 8px 10px;
  border-radius: 6px;
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--accent-blue); }
.search-clear-btn {
  position: absolute;
  right: 20px;
  top: 17px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

/* Filter Tabs */
.filter-tabs-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(22, 28, 40, 0.4);
}
.filter-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.filter-tab:hover { color: #fff; border-color: var(--accent-blue); }
.filter-tab.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
  font-weight: 700;
}

/* Sort Controls Bar */
.sort-bar-wrap {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(14, 18, 26, 0.4);
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}
.sort-bar-wrap::-webkit-scrollbar {
  display: none;
}
.sort-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 2px;
  flex-shrink: 0;
}
.sort-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.sort-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
}
.sort-btn.active {
  background: rgba(245, 166, 35, 0.15);
  border-color: var(--color-gold);
  color: var(--color-gold);
  font-weight: 700;
}

/* Card List */
.card-list {
  overflow-y: auto;
  flex: 1;
}
.card-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-bottom: 1px solid rgba(38, 51, 71, 0.4);
  cursor: pointer;
  transition: background 0.15s;
  gap: 8px;
}
.card-item:hover, .card-item.selected { background-color: var(--bg-card-hover); }
.card-item.selected { border-left: 3px solid var(--accent-blue); }

.card-item-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}
.card-thumb {
  width: 34px;
  height: 48px;
  object-fit: cover;
  border-radius: 4px;
  background-color: #1a2233;
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}
.card-meta-wrap {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.card-title {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-set {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-price {
  text-align: right;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

/* Star Button */
.btn-star {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: #4a5a78;
  padding: 2px 4px;
  line-height: 1;
  transition: all 0.15s;
}
.btn-star:hover { color: #f5a623; transform: scale(1.15); }
.btn-star.favorited { color: #f5a623; }

/* Center Chart Area */
.center-workspace { display: flex; flex-direction: column; gap: 16px; }
.chart-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  height: 490px;
}
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.chart-symbol-info { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.chart-symbol { font-size: 20px; font-weight: 700; }
.chart-price { font-size: 22px; font-weight: 800; }
.chart-tools { display: flex; gap: 6px; }
.btn-tool {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-tool:hover { color: #fff; border-color: var(--accent-blue); }
.btn-tool.active {
  background-color: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
  font-weight: 700;
}

#tradingview_chart_container { flex: 1; width: 100%; position: relative; }

/* Card Lore & Profile Box */
.card-lore-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px 18px;
}
.lore-header {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}
.lore-badge {
  background: rgba(41, 98, 255, 0.15);
  color: #82b1ff;
  border: 1px solid rgba(41, 98, 255, 0.3);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.lore-rarity {
  background: rgba(245, 166, 35, 0.15);
  color: #ffd54f;
  border: 1px solid rgba(245, 166, 35, 0.3);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.lore-illustrator {
  color: var(--text-muted);
  font-size: 12px;
  margin-left: auto;
}
.lore-story {
  font-size: 13px;
  color: #e2e8f0;
  line-height: 1.6;
  margin-bottom: 10px;
  background: rgba(14, 18, 26, 0.6);
  padding: 10px 14px;
  border-radius: 6px;
  border-left: 3px solid var(--accent-blue);
}
.lore-investment {
  font-size: 12px;
  color: #cbd5e1;
  line-height: 1.6;
  background: rgba(245, 166, 35, 0.08);
  padding: 10px 14px;
  border-radius: 6px;
  border-left: 3px solid var(--color-gold);
}

/* Quant Lab */
.quant-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
}
.quant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.quant-metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}
.quant-metric-label { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.quant-metric-val { font-size: 16px; font-weight: 700; }

/* Right Trade Sidebar */
.trade-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.account-summary {
  background: linear-gradient(135deg, #1c2434 0%, #161c28 100%);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px;
}
.acc-title { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.acc-balance { font-size: 26px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.acc-sub {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.order-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px;
}
.trade-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}
.trade-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}
.trade-tab-btn.active.buy {
  background-color: var(--color-up);
  color: #fff;
  border-color: var(--color-up);
}
.trade-tab-btn.active.sell {
  background-color: var(--color-down);
  color: #fff;
  border-color: var(--color-down);
}

.form-group { margin-bottom: 12px; }
.form-label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.form-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  user-select: text !important;
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
}
.form-input:focus { border-color: var(--accent-blue); }

/* Input with inline actions (Paste, Show/Hide Password) */
.input-with-action {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
}
.input-with-action .form-input {
  padding-right: 95px;
}
.input-action-buttons {
  position: absolute;
  right: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.btn-input-action {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 4px;
  font-size: 11px;
  padding: 4px 8px;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}
.btn-input-action:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}

/* Google Sign-in Elements */
.btn-submit-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  background: #ffffff;
  color: #1f1f1f;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  transition: all 0.2s;
}
.btn-submit-google:hover {
  background: #f1f3f4;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  transform: translateY(-1px);
}
.btn-submit-google:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-account-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 14px;
  padding: 4px 10px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-account-pill:hover, .btn-account-pill.active {
  background: rgba(66, 133, 244, 0.18);
  border-color: rgba(66, 133, 244, 0.6);
  color: #609bf8;
  font-weight: 600;
}

.btn-submit-order {
  width: 100%;
  padding: 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  color: #fff;
}
.btn-submit-order.buy { background-color: var(--color-up); }
.btn-submit-order.sell { background-color: var(--color-down); }
.btn-submit-order:hover { opacity: 0.9; }

/* Positions Table Section */
.positions-section {
  grid-column: 1 / -1;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px;
  margin-top: 8px;
}
.table-custom {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table-custom th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
}
.table-custom td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(38, 51, 71, 0.4);
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 90%;
  max-width: 480px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-muted);
  cursor: pointer;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Quick Percentage Chips */
.btn-qty-chip {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 4px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.btn-qty-chip:hover, .btn-qty-chip:active {
  background: var(--bg-card-hover);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.mobile-chart-action-bar,
.mobile-nav-bar,
.mobile-positions-list {
  display: none;
}

/* ==================== MOBILE OPTIMIZATION & RESPONSIVE UI ==================== */

@media (max-width: 900px) {
  body {
    padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  }

  /* Compact Navbar */
  .navbar {
    padding: 8px 12px;
  }
  .logo-title {
    display: none;
  }
  .logo-badge {
    font-size: 12px;
    padding: 3px 6px;
  }
  .nav-controls {
    gap: 6px;
  }
  .btn-pill {
    padding: 5px 8px;
    font-size: 11px;
    border-radius: 14px;
  }

  /* Indices Horizontal Scroll Carousel */
  .indices-ticker {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 8px;
    padding: 8px 12px;
    -webkit-overflow-scrolling: touch;
    border-bottom: 1px solid var(--border-color);
  }
  .indices-ticker::-webkit-scrollbar {
    display: none;
  }
  .index-card {
    min-width: 175px;
    flex-shrink: 0;
    scroll-snap-align: start;
    padding: 8px 12px;
  }
  .index-name {
    font-size: 11px;
  }
  .index-val {
    font-size: 15px;
  }

  /* Main Container Layout in Mobile Tab Mode */
  .main-container {
    display: block;
    padding: 10px 12px;
  }

  .card-panel {
    border: none;
    background: transparent;
    padding: 0;
    height: auto;
    max-height: none;
  }
  .card-list {
    max-height: calc(100vh - 250px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .card-item {
    padding: 12px 10px;
    margin-bottom: 8px;
    border-radius: 10px;
  }
  .filter-tabs-wrap {
    display: flex;
    overflow-x: auto;
    gap: 6px;
    padding: 4px 0 8px 0;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .filter-tabs-wrap::-webkit-scrollbar {
    display: none;
  }
  .filter-tab {
    flex-shrink: 0;
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 16px;
  }

  /* Chart Box on Mobile */
  .center-workspace {
    gap: 12px;
  }
  .chart-box {
    height: auto;
    padding: 10px;
    border-radius: 12px;
  }
  #tradingview_chart_container {
    height: 310px !important;
  }
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .chart-tools {
    display: flex;
    overflow-x: auto;
    gap: 6px;
    width: 100%;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }
  .chart-tools::-webkit-scrollbar {
    display: none;
  }
  .btn-tool {
    padding: 6px 10px;
    font-size: 11px;
    flex-shrink: 0;
  }

  /* Floating Trade Action Bar under Chart */
  .mobile-chart-action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 12px;
    margin-top: 10px;
  }
  .mobile-chart-card-mini {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  #mobile-mini-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  #mobile-mini-price {
    font-size: 15px;
    font-weight: 800;
  }
  .mobile-chart-btns {
    display: flex;
    gap: 8px;
  }
  .mobile-action-btn {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: transform 0.1s;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-action-btn:active {
    transform: scale(0.96);
  }
  .mobile-action-btn.buy {
    background: linear-gradient(135deg, #f23645, #ff4d4f);
    color: #fff;
    box-shadow: 0 4px 12px rgba(242, 54, 69, 0.3);
  }
  .mobile-action-btn.sell {
    background: linear-gradient(135deg, #089981, #00c076);
    color: #fff;
    box-shadow: 0 4px 12px rgba(8, 153, 129, 0.3);
  }

  /* Trade Panel */
  .trade-panel {
    border: none;
    background: transparent;
    padding: 0;
  }
  .order-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
  }
  .btn-submit-order {
    padding: 14px;
    font-size: 16px;
    border-radius: 10px;
    font-weight: 700;
  }

  /* Mobile Position Cards */
  .desktop-positions-table {
    display: none;
  }
  .mobile-positions-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .mobile-position-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .mp-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .mp-name {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
  }
  .mp-badge {
    font-size: 12px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
  }
  .mp-badge.up {
    background: rgba(8, 153, 129, 0.2);
    color: var(--color-up);
  }
  .mp-badge.down {
    background: rgba(242, 54, 69, 0.2);
    color: var(--color-down);
  }
  .mp-card-mid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: var(--bg-card);
    padding: 10px;
    border-radius: 8px;
  }
  .mp-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .mp-label {
    font-size: 11px;
    color: var(--text-muted);
  }
  .mp-val {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
  }
  .mp-val.gold {
    color: var(--color-gold);
  }
  .mp-card-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .mp-pnl {
    font-size: 13px;
    font-weight: 600;
  }
  .mp-btn-sell {
    background: rgba(242, 54, 69, 0.15);
    border: 1px solid rgba(242, 54, 69, 0.4);
    color: var(--color-down);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
  }

  /* Fixed Bottom Navigation Bar */
  .mobile-nav-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: rgba(14, 18, 26, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    z-index: 999;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    justify-content: space-around;
    align-items: center;
  }
  .mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 0;
    cursor: pointer;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-nav-item .mobile-nav-icon {
    font-size: 18px;
    margin-bottom: 2px;
    transition: transform 0.2s;
  }
  .mobile-nav-item.active {
    color: var(--color-gold);
  }
  .mobile-nav-item.active .mobile-nav-icon {
    transform: scale(1.15);
  }

  /* Modals as Sleek Bottom Sheet on Mobile */
  .modal-overlay {
    align-items: flex-end;
  }
  .modal-content {
    width: 100%;
    max-width: 100%;
    border-radius: 20px 20px 0 0;
    padding: 20px 16px calc(24px + env(safe-area-inset-bottom, 0px));
    max-height: 85vh;
    overflow-y: auto;
    animation: sheetSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }
  @keyframes sheetSlideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }
}