/* ==========================================================================
   Apple Human Interface Guidelines (HIG) Design System
   Platform: MarketGPT Quantitative Portfolio Dashboard
   Owner: Rishav Biswas
   ========================================================================== */

:root {
  /* Safe Area Inset Support (Notches, Dynamic Island, Home Bar) */
  --sat: env(safe-area-inset-top, 0px);
  --sar: env(safe-area-inset-right, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);

  /* Dynamic Viewport Units */
  --app-height: 100dvh;

  /* Apple System Palette - Dark Mode */
  --bg-black: #000000;
  --bg-canvas: #060608;
  --bg-surface-primary: rgba(18, 18, 22, 0.76);
  --bg-surface-secondary: rgba(28, 28, 34, 0.68);
  --bg-surface-tertiary: rgba(38, 38, 46, 0.58);
  --bg-surface-elevated: rgba(30, 30, 38, 0.88);
  
  /* Borders & Highlights */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-bright: rgba(255, 255, 255, 0.24);
  --border-glow: rgba(10, 132, 255, 0.35);

  /* Apple Dynamic Accents */
  --apple-green: #30D158;
  --apple-green-glow: rgba(48, 209, 88, 0.25);
  --apple-red: #FF453A;
  --apple-red-glow: rgba(255, 69, 58, 0.25);
  --apple-blue: #0A84FF;
  --apple-blue-glow: rgba(10, 132, 255, 0.25);
  --apple-amber: #FF9F0A;
  --apple-amber-glow: rgba(255, 159, 10, 0.25);
  --apple-purple: #BF5AF2;
  --apple-purple-glow: rgba(191, 90, 242, 0.25);
  --apple-teal: #64D2FF;
  --apple-indigo: #5E5CE6;
  --apple-gray: #8E8E93;
  --apple-gray-dark: #2C2C2E;

  /* Typography Colors */
  --text-primary: #FFFFFF;
  --text-secondary: rgba(235, 235, 245, 0.76);
  --text-tertiary: rgba(235, 235, 245, 0.48);
  --text-quaternary: rgba(235, 235, 245, 0.26);

  /* Sizing & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  /* Blur & Shadows */
  --glass-blur: blur(28px) saturate(190%);
  --glass-blur-sm: blur(16px);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --shadow-elevated: 0 16px 48px rgba(0, 0, 0, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  --shadow-glow-green: 0 0 24px rgba(48, 209, 88, 0.3);
  --shadow-glow-red: 0 0 24px rgba(255, 69, 58, 0.3);

  /* Transitions */
  --spring-bounce: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  height: -webkit-fill-available;
}

body {
  min-height: 100vh;
  min-height: var(--app-height);
  background-color: var(--bg-black);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.5;
  touch-action: manipulation;
}

/* Background Ambient Lighting */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: 
    radial-gradient(circle at 15% 15%, rgba(10, 132, 255, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(191, 90, 242, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 50% 65%, rgba(48, 209, 88, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 85%, rgba(255, 159, 10, 0.04) 0%, transparent 45%);
}

.app-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1480px;
  margin: 0 auto;
  padding-top: max(20px, var(--sat));
  padding-right: max(24px, var(--sar));
  padding-bottom: max(48px, var(--sab));
  padding-left: max(24px, var(--sal));
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.apple-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--bg-surface-primary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: sticky;
  top: max(12px, var(--sat));
  z-index: 100;
  transition: var(--spring-bounce);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1C1C24, #0A0A10);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.brand-logo svg {
  width: 22px;
  height: 22px;
  color: var(--apple-blue);
}

.brand-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  gap: 8px;
  white-space: nowrap;
}

.brand-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(10, 132, 255, 0.18);
  color: var(--apple-blue);
  border: 1px solid rgba(10, 132, 255, 0.3);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  font-weight: 400;
  white-space: nowrap;
}

.brand-owner {
  color: var(--text-secondary);
  font-weight: 600;
}

/* Nav Stats & Tickers */
.nav-center-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(0, 0, 0, 0.35);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-center-stats::-webkit-scrollbar {
  display: none;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.ticker-label {
  color: var(--text-tertiary);
  font-weight: 500;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ticker-value {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  white-space: nowrap;
}

.ticker-delta {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 6px;
}

.ticker-delta.positive {
  background: rgba(48, 209, 88, 0.15);
  color: var(--apple-green);
}

.ticker-divider {
  width: 1px;
  height: 14px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(48, 209, 88, 0.12);
  border: 1px solid rgba(48, 209, 88, 0.28);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--apple-green);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--apple-green);
  box-shadow: 0 0 10px var(--apple-green);
  animation: pulse-ring 2s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  flex-shrink: 0;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0.7);
  }
  70% {
    transform: scale(1.1);
    box-shadow: 0 0 0 7px rgba(48, 209, 88, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0);
  }
}

/* Apple Segmented Button & Currency Switcher */
.segmented-control {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  padding: 3px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.segment-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--spring-bounce);
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  white-space: nowrap;
}

.segment-btn:hover {
  color: var(--text-secondary);
}

.segment-btn.active {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.apple-icon-btn {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--spring-bounce);
  flex-shrink: 0;
}

.apple-icon-btn:hover {
  background: var(--bg-surface-tertiary);
  color: var(--text-primary);
  border-color: var(--border-medium);
  transform: scale(1.04);
}

.apple-icon-btn:active {
  transform: scale(0.95);
}

.apple-primary-btn {
  background: linear-gradient(135deg, var(--apple-blue), #0066CC);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--spring-bounce);
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.35);
  min-height: 44px;
}

.apple-primary-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 20px rgba(10, 132, 255, 0.5);
}

.apple-primary-btn:active {
  transform: scale(0.97);
}

/* ==========================================================================
   Secondary Bar: Timeframes & Bot Selector
   ========================================================================== */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.bot-selector-group {
  display: flex;
  align-items: center;
  background: var(--bg-surface-primary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 4px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  max-width: 100%;
}

.bot-selector-group::-webkit-scrollbar {
  display: none;
}

.bot-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--spring-bounce);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  min-height: 40px;
}

.bot-tab-btn .bot-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--apple-gray);
  transition: var(--ease-smooth);
}

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

.bot-tab-btn.active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.bot-tab-btn[data-bot="Bot 1"].active .bot-dot { background: var(--apple-blue); box-shadow: 0 0 8px var(--apple-blue); }
.bot-tab-btn[data-bot="Bot 2"].active .bot-dot { background: var(--apple-green); box-shadow: 0 0 8px var(--apple-green); }
.bot-tab-btn[data-bot="Bot 3 (Scalper)"].active .bot-dot { background: var(--apple-amber); box-shadow: 0 0 8px var(--apple-amber); }
.bot-tab-btn[data-bot="all"].active .bot-dot { background: var(--apple-purple); box-shadow: 0 0 8px var(--apple-purple); }

.timeframe-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.auto-stream-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  padding: 6px 10px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  min-height: 36px;
}

.timeframe-group {
  display: flex;
  align-items: center;
  background: var(--bg-surface-primary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 4px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.timeframe-group::-webkit-scrollbar {
  display: none;
}

.timeframe-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--spring-bounce);
  white-space: nowrap;
  min-height: 36px;
}

.timeframe-btn:hover {
  color: var(--text-secondary);
}

.timeframe-btn.active {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   Hero KPI Cards Grid
   ========================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--bg-surface-primary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: var(--spring-bounce);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-elevated);
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.kpi-title {
  font-size: 0.74rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  line-height: 1.2;
}

.kpi-icon-wrap {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.kpi-icon-wrap svg {
  width: 14px;
  height: 14px;
}

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.kpi-main-val {
  font-size: clamp(1.2rem, 1.8vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  line-height: 1.1;
}

.kpi-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 6px;
  white-space: nowrap;
}

.kpi-badge.positive { background: rgba(48, 209, 88, 0.16); color: var(--apple-green); }
.kpi-badge.negative { background: rgba(255, 69, 58, 0.16); color: var(--apple-red); }
.kpi-badge.neutral { background: rgba(255, 255, 255, 0.08); color: var(--text-secondary); }

.kpi-sub-row {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
  flex-wrap: wrap;
  gap: 4px;
}

/* ==========================================================================
   Apple Card Container
   ========================================================================== */
.apple-card {
  background: var(--bg-surface-primary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: var(--spring-bounce);
  margin-bottom: 20px;
}

.apple-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
}

.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title-group {
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.card-desc {
  font-size: 0.76rem;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Charts Grid Rows
   ========================================================================== */
.charts-grid-main {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.charts-grid-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.chart-container-large {
  position: relative;
  width: 100%;
  height: clamp(240px, 36vh, 320px);
}

.chart-container-medium {
  position: relative;
  width: 100%;
  height: clamp(200px, 28vh, 250px);
}

.chart-container-donut {
  position: relative;
  width: 100%;
  height: clamp(200px, 28vh, 250px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.donut-center-metric {
  position: absolute;
  text-align: center;
  pointer-events: none;
}

.donut-rate {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.donut-sub {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* ==========================================================================
   Tables & Data Grid
   ========================================================================== */
.table-scroll-container {
  position: relative;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.table-scroll-container::-webkit-scrollbar {
  height: 6px;
}

.table-scroll-container::-webkit-scrollbar-track {
  background: transparent;
}

.table-scroll-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 99px;
}

/* Auto Edge Glow Scroll Indicators */
.table-scroll-container.has-scroll-left::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 16px;
  background: linear-gradient(90deg, rgba(0,0,0,0.8), transparent);
  pointer-events: none;
  z-index: 10;
}

.table-scroll-container.has-scroll-right::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 16px;
  background: linear-gradient(270deg, rgba(0,0,0,0.8), transparent);
  pointer-events: none;
  z-index: 10;
}

.positions-table-wrap {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.25);
  overflow-x: auto;
}

.apple-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  text-align: left;
  min-width: 680px;
}

.apple-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-tertiary);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.apple-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  vertical-align: middle;
}

.apple-table tr:last-child td {
  border-bottom: none;
}

.apple-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.table-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-input-wrap svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
}

.apple-search-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 12px 8px 36px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  outline: none;
  transition: var(--spring-bounce);
  min-height: 40px;
}

.apple-search-input:focus {
  border-color: var(--apple-blue);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.2);
}

.filter-selects-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-select {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 0.78rem;
  outline: none;
  cursor: pointer;
  transition: var(--spring-bounce);
  min-height: 40px;
}

.filter-select:focus {
  border-color: var(--apple-blue);
}

.export-btns-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: 10px;
}

.page-btn {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--spring-bounce);
  font-size: 0.78rem;
  min-height: 38px;
  white-space: nowrap;
}

.page-btn:hover:not(:disabled) {
  background: var(--bg-surface-tertiary);
  color: var(--text-primary);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ==========================================================================
   Fleet Strategy Cards Grid
   ========================================================================== */
.fleet-bots-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.fleet-bot-card {
  background: var(--bg-surface-primary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--spring-bounce);
}

.fleet-bot-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
}

/* ==========================================================================
   Apple Sheet / Modal Inspector (Bottom Sheet on Mobile)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.apple-modal {
  background: #16161C;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-elevated);
  max-width: 680px;
  width: 100%;
  max-height: 88vh;
  max-height: 88dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: scale(0.94) translateY(20px);
  transition: var(--spring-bounce);
  padding: 24px;
  position: relative;
}

.modal-drag-handle {
  display: none;
  width: 36px;
  height: 4px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.25);
  margin: 0 auto 16px auto;
}

.modal-overlay.active .apple-modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--spring-bounce);
  font-size: 1.2rem;
  line-height: 1;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  color: var(--text-primary);
}

.inspector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.inspector-field {
  background: rgba(0, 0, 0, 0.3);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.inspector-field .lbl {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 600;
}

.inspector-field .val {
  font-size: 0.92rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.json-dump {
  background: #0A0A0E;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.76rem;
  color: #A0A0B0;
  overflow-x: auto;
  max-height: 200px;
  -webkit-overflow-scrolling: touch;
}

/* Footer & Signature */
.apple-footer {
  margin-top: 36px;
  padding: 20px 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.footer-credits strong {
  color: var(--text-secondary);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: max(20px, var(--sab));
  right: max(20px, var(--sar));
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: calc(100vw - 32px);
}

.apple-toast {
  background: rgba(24, 24, 30, 0.96);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: 0.82rem;
  color: #FFFFFF;
  box-shadow: var(--shadow-elevated);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-in 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes toast-in {
  from { transform: translateY(30px) scale(0.9); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

/* Tablet Landscape / Small Desktop (<= 1200px) */
@media (max-width: 1200px) {
  .kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .charts-grid-main {
    grid-template-columns: 1.8fr 1fr;
  }
}

/* Tablet Portrait (<= 992px) */
@media (max-width: 992px) {
  .charts-grid-main {
    grid-template-columns: 1fr;
  }
  .charts-grid-secondary {
    grid-template-columns: 1fr 1fr;
  }
  .fleet-bots-row {
    grid-template-columns: 1fr;
  }
}

/* Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  .app-wrapper {
    padding-top: max(12px, var(--sat));
    padding-right: max(12px, var(--sar));
    padding-bottom: max(36px, var(--sab));
    padding-left: max(12px, var(--sal));
  }

  .apple-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
  }

  .brand-section {
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    text-align: left;
  }

  .nav-center-stats {
    width: 100%;
    justify-content: flex-start;
    padding: 8px 12px;
  }

  .nav-actions {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }

  .controls-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .bot-selector-group {
    width: 100%;
    padding: 3px;
  }

  .timeframe-wrapper {
    width: 100%;
    justify-content: space-between;
  }

  .timeframe-group {
    flex: 1;
    justify-content: space-between;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .kpi-card {
    padding: 12px 14px;
  }

  .kpi-main-val {
    font-size: clamp(1.1rem, 4.5vw, 1.45rem);
  }

  .charts-grid-secondary {
    grid-template-columns: 1fr;
  }

  .apple-card {
    padding: 16px 14px;
    border-radius: var(--radius-lg);
  }

  .table-controls-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-input-wrap {
    width: 100%;
  }

  .filter-selects-wrap {
    width: 100%;
  }

  .filter-select {
    flex: 1;
    min-width: 120px;
  }

  .inspector-grid {
    grid-template-columns: 1fr;
  }
}

/* Small SmartPhones & Bottom Sheet Behavior (<= 640px) */
@media (max-width: 640px) {
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal-drag-handle {
    display: block;
  }

  .apple-modal {
    border-radius: 24px 24px 0 0;
    max-height: 90vh;
    max-height: 90dvh;
    padding: 18px 18px max(24px, var(--sab)) 18px;
    transform: translateY(100%);
    border-bottom: none;
  }

  .modal-overlay.active .apple-modal {
    transform: translateY(0);
  }

  .toast-container {
    left: max(14px, var(--sal));
    right: max(14px, var(--sar));
    bottom: max(14px, var(--sab));
  }

  .apple-toast {
    width: 100%;
    justify-content: center;
  }

  .apple-footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
  }
}

/* Ultra Small Screens (<= 380px) */
@media (max-width: 380px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .brand-title {
    font-size: 1.02rem;
  }
  .segment-btn, .timeframe-btn {
    padding: 5px 8px;
    font-size: 0.74rem;
  }
}