/**
 * Layout CSS - Main application layout
 * Header, sidebar, main content area, and modal base styles
 */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Top Header Bar */
.header-bar {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
  flex-shrink: 0;
}

.company-info h1 {
  color: var(--color-success);
  font-size: var(--font-size-xl);
  margin-bottom: 2px;
  font-weight: var(--font-weight-semibold);
}

.company-info p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.mode-toggle {
  display: flex;
  background-color: var(--color-surface-light);
  border-radius: var(--radius-full);
  padding: 4px;
  border: 1px solid var(--color-border-light);
}

.mode-toggle button {
  background: none;
  border: none;
  color: var(--color-text-primary);
  padding: 10px 20px;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: var(--font-weight-semibold);
}

.mode-toggle button.active {
  color: var(--color-text-white);
}

.mode-toggle button.active.actuals {
  background-color: var(--color-primary);
}

.mode-toggle button.active.forecast {
  background-color: var(--color-success);
}

.header-status {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Main Layout */
.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
  overflow-y: auto;
  flex-shrink: 0;
}

.nav-section {
  margin-bottom: var(--space-xl);
}

.nav-section-title {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 var(--space-lg);
  margin-bottom: var(--space-sm);
}

.nav-item {
  display: block;
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-sm) var(--space-lg);
  margin: 2px var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  width: calc(100% - var(--space-md));
  text-align: left;
  font-size: var(--font-size-sm);
}

.nav-item:hover {
  background-color: var(--color-surface-light);
  color: var(--color-text-white);
}

.nav-item.active {
  background-color: var(--color-success);
  color: var(--color-text-white);
  font-weight: var(--font-weight-medium);
}

/* Main Content Area */
.content-area {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
  background-color: var(--color-background);
}

.page-header {
  margin-bottom: var(--space-lg);
}

.page-header h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-text-white);
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

/* Modal Base Styles */
.modal {
  display: none;
  position: fixed;
  z-index: var(--z-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideIn var(--transition-normal);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  color: var(--color-text-white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-lg);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text-white);
  background-color: var(--color-surface-light);
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .main-layout {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    height: auto;
    max-height: 200px;
    overflow-y: auto;
  }
  
  .header-bar {
    padding: var(--space-md);
  }
  
  .content-area {
    padding: var(--space-md);
  }
  
  .modal-content {
    width: 95%;
    max-width: none;
    margin: var(--space-md);
  }
}