/**
 * BNClaw Design System — Component Styles
 * Reusable components: cards, tables, badges, buttons, tabs, modals,
 * page layout, skeleton loading, toast, error banner, freshness indicator
 */

/* === Page Layout (shared across all pages) === */
.page-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 10;
}
.page-header h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-primary);
  margin: 0;
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  padding: 4px;
}

/* === Error Banner (injected by nav.js on SSE/API failure) === */
.error-banner {
  position: sticky;
  top: 52px;
  z-index: 8;
  background: rgba(246,70,93,0.1);
  border: 1px solid rgba(246,70,93,0.3);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 12px;
  color: var(--color-loss);
  animation: bannerSlideDown 0.3s ease;
}
.error-banner.hidden { display: none; }
.error-banner .banner-icon { flex-shrink: 0; }
.error-banner .banner-text { flex: 1; }
.error-banner .banner-close {
  background: none; border: none; cursor: pointer; color: var(--color-loss); padding: 4px;
  display: flex; align-items: center;
}
@keyframes bannerSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Data Freshness Indicator (in nav header area) === */
.freshness-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--text-tertiary);
}
.freshness-dot {
  width: 6px; height: 6px; border-radius: 50%;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.freshness-dot.fresh { background: var(--color-profit); box-shadow: 0 0 4px rgba(14,203,129,0.5); }
.freshness-dot.stale { background: var(--color-warning); }
.freshness-dot.dead { background: var(--color-loss); box-shadow: 0 0 4px rgba(246,70,93,0.5); animation: pulse 1.5s infinite; }

/* === Skeleton Loading === */
.skeleton-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border-left: 3px solid var(--border-primary);
  margin-bottom: var(--space-md);
}
.skeleton-line {
  height: 12px;
  background: linear-gradient(90deg, var(--bg-hover) 25%, var(--bg-active) 50%, var(--bg-hover) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: 4px;
  margin-bottom: var(--space-sm);
}
.skeleton-line.w60 { width: 60%; }
.skeleton-line.w40 { width: 40%; }
.skeleton-line.w80 { width: 80%; }
.skeleton-line.h20 { height: 20px; }
.skeleton-line.h8 { height: 8px; }
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* === Toast Notifications === */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}
.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  animation: toastSlideIn 0.3s ease;
  pointer-events: auto;
  max-width: 320px;
}
.toast.toast-success { border-left: 3px solid var(--color-profit); }
.toast.toast-error { border-left: 3px solid var(--color-loss); }
.toast.toast-warning { border-left: 3px solid var(--color-warning); }
@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--text-tertiary);
  font-size: 14px;
}
.empty-state i { margin-bottom: 8px; opacity: 0.6; }

/* === SSE Status === */
.sse-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-tertiary);
}

/* === Cards === */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}
.card-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}
.card-accent {
  border-top: 2px solid var(--accent-primary);
}

/* === Data Tables === */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  background: var(--bg-deep);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-primary);
  position: sticky;
  top: 0;
  z-index: 1;
  text-align: left;
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}
.data-table tr:hover td {
  background: var(--bg-hover);
}
.data-table .num { font-family: var(--font-mono); text-align: right; }
.data-table .profit { color: var(--color-profit); }
.data-table .loss { color: var(--color-loss); }

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-profit {
  background: rgba(14,203,129,0.12);
  color: var(--color-profit);
}
.badge-loss {
  background: rgba(246,70,93,0.12);
  color: var(--color-loss);
}
.badge-warning {
  background: rgba(240,185,11,0.12);
  color: var(--color-warning);
}
.badge-info {
  background: rgba(30,136,229,0.1);
  color: var(--color-info);
}
.badge-neutral {
  background: var(--bg-hover);
  color: var(--text-secondary);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
  min-height: 36px;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent-primary);
  color: var(--text-inverse);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--glow-gold);
}
.btn-danger {
  background: var(--color-loss);
  color: #fff;
}
.btn-danger:hover { box-shadow: var(--glow-red); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
  min-height: 28px;
}

/* === Tab Bar === */
.tab-bar {
  display: flex;
  gap: 4px;
  background: var(--bg-deep);
  padding: 4px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}
.tab-btn {
  flex: 1;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
  min-height: 36px;
}
.tab-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.tab-btn.active {
  background: var(--accent-primary);
  color: var(--text-inverse);
  font-weight: 700;
  box-shadow: var(--glow-gold);
}

/* === Modals === */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-content {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalSlideUp 250ms ease;
}
@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === Inputs === */
.input, .select, input[type="text"], input[type="password"], input[type="number"], select, textarea {
  background: var(--bg-deep);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition-fast);
  width: 100%;
}
.input:focus, .select:focus, input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

/* === Status Indicators === */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.status-dot.live {
  background: var(--color-profit);
  box-shadow: var(--glow-green);
  animation: pulse 2s infinite;
}
.status-dot.danger {
  background: var(--color-loss);
  box-shadow: var(--glow-red);
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border-primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--bg-hover); }

/* === Toast/Flash === */
.flash {
  animation: flashPulse 1s infinite;
}
@keyframes flashPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.pulse-glow {
  animation: glowPulse 1.5s infinite;
}
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 4px rgba(14,203,129,0.3); }
  50% { box-shadow: 0 0 12px rgba(14,203,129,0.5); }
}

/* === Responsive === */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .data-table { font-size: 11px; }
  .data-table th, .data-table td { padding: 8px 6px; }
  .tab-btn { padding: 8px 10px; font-size: 12px; }
  .card { padding: var(--space-md); }
}
@media (max-width: 374px) {
  body { padding-left: var(--space-sm) !important; padding-right: var(--space-sm) !important; }
}

/* === Safe Area (iPhone X+) === */
body { padding-bottom: env(safe-area-inset-bottom, 0); }