/* Tarqiya - Layout Styles (Header, Nav, Footer, Mobile Bottom Bar) */

/* Header */
.app-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: var(--space-3);
}

/* Brand Identity */
.brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none !important;
  color: inherit;
  flex-shrink: 0;
  min-width: max-content;
}

.brand-logo-mark {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-main-blue));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(13, 100, 219, 0.28);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -0.01em;
  white-space: nowrap;
  display: block;
}

[data-theme="dark"] .brand-title {
  color: #FFFFFF;
}

.brand-slogan {
  font-size: 0.725rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  line-height: 1.2;
  margin-top: 2px;
  white-space: nowrap;
  display: block;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 1;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none !important;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-link:hover {
  color: var(--color-main-blue);
  background-color: var(--color-light-blue);
}

.nav-link.active {
  color: var(--color-main-blue);
  background-color: var(--color-light-blue);
  box-shadow: inset 0 0 0 1px rgba(13, 100, 219, 0.2);
}

[data-theme="dark"] .nav-link.active {
  color: #FFFFFF;
  background-color: var(--color-light-blue);
  box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.3);
}

.nav-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Header Utilities */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  transition: all var(--transition-fast);
}

.action-btn:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-main-blue);
}

.action-btn svg {
  width: 18px;
  height: 18px;
}

/* User Badge in Header */
.user-menu-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.user-menu-btn:hover {
  border-color: var(--color-main-blue);
  background-color: var(--color-surface-hover);
}

.user-avatar-sm {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-light-blue);
  color: var(--color-main-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-name-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Main Content Wrapper */
.app-main {
  flex: 1;
  padding-top: var(--space-6);
  padding-bottom: var(--space-12);
  min-height: calc(100vh - 72px - 80px);
}

/* Footer */
.app-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: auto;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.footer-links li {
  display: flex;
  align-items: center;
}

.footer-links li:not(:last-child)::after {
  content: "|";
  margin-inline-start: var(--space-4);
  color: var(--color-border);
  opacity: 0.9;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-main-blue);
}

/* Simplified Dashboard Interactive Elements */
.journey-node-pill {
  transition: all var(--transition-fast);
}

.video-dot-btn:hover:not(.locked) {
  transform: translateY(-2px);
  filter: brightness(0.97);
}

.video-dot-btn.current {
  animation: pulseGlow 2s infinite;
}

/* Mobile Bottom Navigation Bar */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  z-index: var(--z-sticky);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
  padding: 0 var(--space-2);
}

.mobile-nav-items {
  display: flex;
  height: 100%;
  justify-content: space-around;
  align-items: center;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--color-text-muted);
  text-decoration: none !important;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  min-width: 58px;
}

.mobile-nav-item svg {
  width: 20px;
  height: 20px;
}

.mobile-nav-item.active {
  color: var(--color-main-blue);
}

.mobile-nav-item.active svg {
  stroke-width: 2.5;
}

/* Responsive Behavior */
@media (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }

  .mobile-bottom-nav {
    display: block;
  }

  .app-main {
    padding-bottom: calc(64px + var(--space-8));
  }
}

@media (max-width: 640px) {
  .header-inner {
    height: 62px;
  }

  .brand-slogan {
    display: none;
  }

  .user-name-label {
    display: none;
  }
}