/* assets/css/layout.css */

/* App Container */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* App Shell */
.app-shell {
  position: relative;
  min-height: 100vh;
  padding: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
}

/* Header */
.app-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.brand-logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  display: grid;
  place-items: center;
  font-weight: var(--font-weight-extrabold);
  background: var(--color-primary-light);
  color: white;
  border: 3px solid var(--color-text);
  box-shadow: inset 0 10px 30px rgba(0, 0, 0, 0.12), var(--shadow-sm);
  font-size: 2rem;
}

.brand-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.1;
}

.brand-subtitle {
  color: var(--color-text-muted);
  margin-top: 5px;
}

/* Navigation Rail */
.nav-rail {
  position: fixed;
  left: var(--spacing-lg);
  top: calc(var(--header-height) + 8px);
  bottom: var(--spacing-lg);
  width: var(--rail-width);
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-text);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  padding: var(--rail-padding);
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-lg);
}

.nav-rail.disabled {
  pointer-events: none;
  opacity: 0.6;
}

.rail-items {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--spacing-xs);
}

.rail-bottom {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-sm);
}

.rail-item {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  cursor: pointer;
  position: relative;
  background: transparent;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.rail-item:hover {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
}

.rail-item.active {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  box-shadow: inset 0 0 0 2px rgba(46, 125, 50, 0.12);
}

.rail-item[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.rail-item svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Rail Tooltip */
.rail-item[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) scale(0.98);
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.rail-item:hover::after {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

/* Main Content */
.main-content {
  margin-left: calc(var(--rail-width) + var(--spacing-xl));
  margin-right: var(--spacing-lg);
  padding: var(--spacing-lg);
  max-width: var(--content-max-width);
  min-height: calc(100vh - var(--header-height) - var(--spacing-xl));
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-overlay);
  visibility: hidden;
  opacity: 0;
  transition: all var(--transition-fast);
}

.modal.active {
  visibility: visible;
  opacity: 1;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
}

.modal-content {
  position: relative;
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  width: min(640px, 92vw);
  max-height: min(86vh, 900px);
  overflow: auto;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
}

.modal-content.modal-small {
  width: min(400px, 92vw);
}

.modal-content.modal-large {
  width: min(1200px, 92vw);
}

.modal-title {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-xl);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
}

/* Responsive */
@media (max-width: 1200px) {
  .main-content {
    margin-left: calc(var(--rail-width) + var(--spacing-md));
    margin-right: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .nav-rail {
    left: var(--spacing-sm);
    width: 60px;
  }
  
  .rail-item {
    width: 40px;
    height: 40px;
  }
  
  .rail-item svg {
    width: 20px;
    height: 20px;
  }
  
  .main-content {
    margin-left: calc(60px + var(--spacing-md));
    padding: var(--spacing-md);
  }
  
  .rail-item[data-tip]::after {
    display: none;
  }
}

/* Add to your layout.css */
#signOutBtn {
  background: rgba(164, 0, 0, 0.1);
  color: var(--color-danger);
}

#signOutBtn:hover {
  background: rgba(164, 0, 0, 0.2);
  color: var(--color-danger);
}