/**
 * Universal AppBridge Styles
 * Shared header, sync status badge, auth widget, and theme variables for mini-apps
 */

:root {
  --ab-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ab-bg: #ffffff;
  --ab-bg-translucent: rgba(255, 255, 255, 0.88);
  --ab-surface: #f8fafc;
  --ab-border: #e2e8f0;
  --ab-text: #0f172a;
  --ab-text-muted: #64748b;
  --ab-primary: #4f46e5;
  --ab-primary-hover: #4338ca;
  --ab-success: #10b981;
  --ab-warning: #f59e0b;
  --ab-danger: #ef4444;
  --ab-radius: 10px;
  --ab-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
  --ab-bg: #0f172a;
  --ab-bg-translucent: rgba(15, 23, 42, 0.88);
  --ab-surface: #1e293b;
  --ab-border: #334155;
  --ab-text: #f8fafc;
  --ab-text-muted: #94a3b8;
  --ab-primary: #6366f1;
  --ab-primary-hover: #4f46e5;
  --ab-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
}

/* Universal Top Header Bar */
.app-bridge-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  background-color: var(--ab-bg-translucent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ab-border);
  font-family: var(--ab-font);
  color: var(--ab-text);
  box-sizing: border-box;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.app-bridge-nav-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.app-bridge-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ab-text-muted);
  text-decoration: none;
  background: var(--ab-surface);
  border: 1px solid var(--ab-border);
  border-radius: var(--ab-radius);
  transition: all 0.15s ease;
}

.app-bridge-back-link:hover {
  color: var(--ab-text);
  border-color: var(--ab-text-muted);
  transform: translateX(-2px);
}

.app-bridge-title-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ab-text);
}

.app-bridge-nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Sync Status Badge */
.app-bridge-sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.3rem 0.65rem;
  border-radius: 9999px;
  background-color: var(--ab-surface);
  border: 1px solid var(--ab-border);
  color: var(--ab-text-muted);
  user-select: none;
}

.app-bridge-sync-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--ab-text-muted);
}

.app-bridge-sync-badge.synced .app-bridge-sync-dot {
  background-color: var(--ab-success);
  box-shadow: 0 0 6px var(--ab-success);
}
.app-bridge-sync-badge.synced {
  color: var(--ab-success);
}

.app-bridge-sync-badge.syncing .app-bridge-sync-dot {
  background-color: var(--ab-warning);
  animation: ab-pulse 1.2s infinite;
}
.app-bridge-sync-badge.syncing {
  color: var(--ab-warning);
}

.app-bridge-sync-badge.offline .app-bridge-sync-dot {
  background-color: var(--ab-danger);
}
.app-bridge-sync-badge.offline {
  color: var(--ab-danger);
}

@keyframes ab-pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* Theme Toggle Button */
.app-bridge-theme-btn {
  background: var(--ab-surface);
  border: 1px solid var(--ab-border);
  color: var(--ab-text);
  padding: 0.4rem 0.6rem;
  border-radius: var(--ab-radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

.app-bridge-theme-btn:hover {
  background: var(--ab-border);
}

/* Auth Area */
.app-bridge-auth-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.app-bridge-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--ab-primary);
  color: #ffffff;
  border: none;
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--ab-radius);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.app-bridge-login-btn:hover {
  background-color: var(--ab-primary-hover);
}

.app-bridge-user-profile {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.app-bridge-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--ab-border);
}

.app-bridge-avatar-fallback {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ab-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.app-bridge-user-name {
  font-size: 0.82rem;
  font-weight: 500;
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-bridge-signout-btn {
  background: transparent;
  border: 1px solid var(--ab-border);
  color: var(--ab-text-muted);
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
  border-radius: var(--ab-radius);
  cursor: pointer;
  transition: all 0.15s ease;
}

.app-bridge-signout-btn:hover {
  color: var(--ab-danger);
  border-color: var(--ab-danger);
}

/* Config Warning Banner */
.app-bridge-config-warning {
  background-color: #fef3c7;
  color: #92400e;
  border-bottom: 1px solid #fde68a;
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  text-align: center;
  font-family: var(--ab-font);
}

[data-theme="dark"] .app-bridge-config-warning {
  background-color: #78350f;
  color: #fef3c7;
  border-color: #92400e;
}

/* Auth Required Modal / Banner */
.app-bridge-auth-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.app-bridge-auth-modal {
  background: var(--ab-bg);
  color: var(--ab-text);
  border: 1px solid var(--ab-border);
  border-radius: 14px;
  padding: 2rem;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: var(--ab-shadow);
  font-family: var(--ab-font);
}

.app-bridge-auth-modal h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
}

.app-bridge-auth-modal p {
  color: var(--ab-text-muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem 0;
  line-height: 1.45;
}

@media (max-width: 640px) {
  .app-bridge-user-name {
    display: none;
  }
  .app-bridge-sync-badge span:last-child {
    display: none;
  }
}