/* Layout Container */
.app-container {
  min-height: 100vh;
  background-color: var(--color-bg) !important;
  display: flex;
  flex-direction: column;
}

/* App Header - Senna Chat Style (Compacter) */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  box-shadow: var(--box-shadow-lg);
}

.app-header .app-brand h1 {
  color: white;
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

.app-header .app-brand p,
.app-header .text-muted {
  color: rgba(255, 255, 255, 0.9);
}

.app-header .nav-tabs {
  margin-top: var(--spacing-sm);
}

.app-header .nav-tab {
  color: rgba(255, 255, 255, 0.8);
}

.app-header .nav-tab:hover,
.app-header .nav-tab.active {
  color: white;
  background-color: rgba(255, 255, 255, 0.2);
}

.app-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.app-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.app-brand h1 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: white;
}

.quick-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.nav-tabs {
  display: flex;
  gap: var(--spacing-xs);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-tabs::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  border: none;
  background-color: transparent;
  color: var(--color-text-muted);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 60px;
  white-space: nowrap;
}

.nav-tab i {
  font-size: var(--font-size-base);
}

.nav-tab span {
  font-size: var(--font-size-xs);
}

.nav-tab:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
}

/* Header nav tabs - white text */
.app-header .nav-tab:hover {
  color: white;
  background-color: rgba(255, 255, 255, 0.15);
}

.app-header .nav-tab.active {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
}

/* Ensure dropdown is visible in header */
.app-header .nav-dropdown {
  position: relative;
  z-index: 101;
}

.app-header .nav-dropdown-menu {
  z-index: 1002 !important;
  background-color: white;
  border: 1px solid var(--color-border);
}

/* Navigation Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-tab-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + var(--spacing-xs));
  left: 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
  min-width: 200px;
  z-index: 1001 !important;
  display: none;
  flex-direction: column;
  padding: var(--spacing-xs);
  margin-top: var(--spacing-xs);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.active .nav-dropdown-menu {
  display: flex;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
  width: 100%;
}

.nav-dropdown-item:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

.nav-dropdown-item.active {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--color-primary);
  font-weight: 600;
}

.nav-dropdown-item i {
  width: 16px;
  text-align: center;
}

/* Main Content - Senna Chat Style (Compacter) */
.main-content {
  flex: 1;
  padding: var(--spacing-lg);
  padding-bottom: 100px; /* Space for floating buttons */
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.page {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
}

/* Floating Action Buttons */
.fab-container {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: 1000;
}

.fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  transition: var(--transition);
  color: white;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.fab:active {
  transform: scale(0.95);
}

.fab-primary {
  background-color: var(--color-primary);
}

.fab-secondary {
  background-color: var(--color-primary-dark);
}

/* Stats Grid - Senna Chat Style (Compacter) */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

/* Cards Grid - Senna Chat Style (Compacter) */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 12px;
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.timeline-day {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.timeline-day:last-child {
  margin-bottom: 0;
}

.timeline-day::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.15);
}

.timeline-date {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.timeline-entry {
  background: var(--color-bg-alt);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--box-shadow);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.timeline-entry:last-child {
  margin-bottom: 0;
}

.timeline-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
}

.timeline-entry-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Dashboard Injections Grid - Responsive */
.dashboard-injections-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

@media (max-width: 767px) {
  .dashboard-injections-grid {
    grid-template-columns: 1fr;
  }
}

/* Responsive Breakpoints */
@media (max-width: 767px) {
  .app-header {
    padding: var(--spacing-md);
  }

  .app-header-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .quick-actions {
    width: 100%;
  }

  .nav-tabs {
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
  }

  .nav-dropdown-menu {
    position: absolute;
    left: 0;
    right: auto;
    min-width: 200px;
    max-width: calc(100vw - 2 * var(--spacing-md));
  }

  .main-content {
    padding: var(--spacing-md);
  }

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

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

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}