/* ==============================================
   LAYOUT - App Shell, Sidebar, Header
   ============================================== */

/* App Container */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ==============================================
   HEADER
   ============================================== */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--space-lg);
  background-color: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-primary);
  position: sticky;
  top: 0;
  z-index: var(--z-dropdown);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--accent-primary);
}

.header-logo svg {
  width: 24px;
  height: 24px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

/* Account Selector */
.account-selector {
  position: relative;
}

.account-selector-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 180px;
}

.account-selector-btn:hover {
  border-color: var(--accent-primary);
}

.account-selector-btn .chevron {
  margin-left: auto;
  transition: transform var(--transition-fast);
}

.account-selector-btn.open .chevron {
  transform: rotate(180deg);
}

.account-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: var(--space-xs);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  display: none;
  max-height: 300px;
  overflow-y: auto;
}

.account-dropdown.open {
  display: block;
  animation: slideInUp var(--transition-fast);
}

.account-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  font-size: var(--text-sm);
}

.account-option:hover {
  background-color: var(--bg-hover);
}

.account-option.selected {
  background-color: var(--accent-muted);
  color: var(--accent-primary);
}

.account-option .address {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* Balance Display */
.balance-display {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.balance-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--bg-elevated);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

.balance-item .label {
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.balance-item .value {
  font-family: var(--font-mono);
  font-weight: var(--font-medium);
  color: var(--accent-primary);
}

.balance-item.proxy-balance {
  background-color: rgba(14, 203, 129, 0.15);
  border: 1px solid rgba(14, 203, 129, 0.3);
}

.balance-item.proxy-balance .label {
  color: var(--color-profit);
}

.balance-item.proxy-balance .value {
  color: var(--color-profit);
  font-weight: var(--font-bold);
}

/* Status Indicator */
.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

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

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

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

/* ==============================================
   SIDEBAR
   ============================================== */

.sidebar {
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  box-shadow: inset 0 1px 0 0 rgba(0, 212, 255, 0.35), inset 0 -1px 0 0 rgba(139, 92, 246, 0.15);
  transition: width var(--transition-normal);
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  gap: var(--space-xs);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 9px var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  margin-bottom: 1px;
}

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

.nav-item.active {
  background-color: var(--accent-muted);
  color: var(--accent-primary);
  border-color: rgba(0, 212, 255, 0.2);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-item .nav-label {
  opacity: 1;
  transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-label {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  margin-top: auto;
  border-top: 1px solid var(--border-primary);
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.sidebar-toggle:hover {
  color: var(--text-primary);
}

.sidebar-toggle svg {
  transition: transform var(--transition-normal);
}

.sidebar.collapsed .sidebar-toggle svg {
  transform: rotate(180deg);
}

/* ==============================================
   MAIN CONTENT
   ============================================== */

.main-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-lg);
  background-color: var(--bg-primary);
}

/* Page Container */
.page {
  /*display: none;*/
  animation: fadeIn var(--transition-normal);
}

.page.active {
  display: block;
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.page-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

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

/* ==============================================
   GRID LAYOUTS
   ============================================== */

.grid {
  display: grid;
  gap: var(--space-lg);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Trading Layout - Order Entry + Market Info side by side */
.trading-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--space-lg);
}

.trading-layout-full {
  grid-column: 1 / -1;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

/* ==============================================
   SECTIONS
   ============================================== */

.section {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.025) 0%, transparent 50%);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.section-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.period-selector {
  display: flex;
  gap: 4px;
}

.period-selector .btn.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

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

/* Compact Section */
.section-compact {
  padding: var(--space-md);
}

.section-compact .section-header {
  margin-bottom: var(--space-md);
}

/* ==============================================
   RESPONSIVE
   ============================================== */

@media (max-width: 1200px) {
  .trading-layout {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Tablet ──────────────────────────────────── */
@media (max-width: 768px) {

  /* Sidebar — full-height overlay drawer */
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: calc(var(--z-dropdown) + 10);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    width: 240px;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.6);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  /* Scrim behind open sidebar */
  body.sidebar-open::after {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: calc(var(--z-dropdown) + 9);
    animation: fadeIn var(--transition-fast);
  }

  /* Main area — ensure it fills the screen without horizontal overflow */
  .main-content {
    padding: var(--space-md);
    overflow-x: hidden;
    width: 100%;
    min-width: 0;
  }

  /* All multi-col grids collapse */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Stats grid stays 2-col on tablet */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Header — tighter, hide non-essential elements */
  .header {
    padding: 0 var(--space-md);
    gap: var(--space-sm);
  }

  .header-logo span {
    display: none;
  }

  .status-indicator {
    display: none;
  }

  /* Balance: hide labels, keep values */
  .balance-display {
    gap: var(--space-xs);
  }

  .balance-item {
    padding: var(--space-xs) var(--space-sm);
  }

  .balance-item .label {
    display: none;
  }

  /* Account selector — compact */
  .account-selector-btn {
    min-width: 0;
    max-width: 150px;
  }

  /* Page padding */
  .page-header {
    margin-bottom: var(--space-lg);
  }

  /* Section spacing */
  .section {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  padding: var(--space-sm);
  color: var(--text-secondary);
  cursor: pointer;
  min-width: 36px;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
}

/* ── Small phones ────────────────────────────── */
@media (max-width: 480px) {

  /* Stats: still 2-col but tighter */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  /* Header: minimal — hamburger | logo | account only */
  .balance-display {
    display: none;
  }

  .header {
    padding: 0 var(--space-sm);
  }

  .account-selector-btn {
    max-width: 120px;
    font-size: var(--text-xs);
    padding: 6px var(--space-sm);
  }

  /* Larger touch targets for all buttons */
  .btn {
    min-height: 40px;
  }

  .btn-sm {
    min-height: 34px;
  }

  .btn-xs {
    min-height: 28px;
  }

  /* Nav items bigger touch target */
  .nav-item {
    padding: 12px var(--space-md);
    min-height: 44px;
  }

  /* Page title smaller */
  .page-title {
    font-size: var(--text-lg);
  }

  /* Section gap tighter */
  .section {
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-sm);
  }

  /* Grid gap tighter */
  .grid {
    gap: var(--space-sm);
  }

  /* Main content minimal padding */
  .main-content {
    padding: var(--space-sm);
  }
}