/**
 * Layout styles - Grid, containers, and page structure
 * miner-inventory-admin
 */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-fluid {
  width: 100%;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Page layout */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-content {
  flex: 1;
  padding: var(--spacing-lg) 0;
}

/* Header */
.header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-dropdown);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  text-decoration: none;
}

.header-logo:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.header-logo svg,
.header-logo img {
  width: 32px;
  height: 32px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

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

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: var(--z-modal);
  overflow-y: auto;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: var(--z-modal-backdrop);
}

.sidebar-backdrop.visible {
  opacity: 1;
  visibility: visible;
}

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

.sidebar-nav {
  padding: var(--spacing-md);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.sidebar-nav-item:hover {
  background-color: var(--color-background);
  text-decoration: none;
}

.sidebar-nav-item.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.sidebar-nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Main content area with sidebar */
.layout-with-sidebar {
  display: flex;
  min-height: 100vh;
}

.layout-with-sidebar .sidebar {
  position: relative;
  transform: none;
  flex-shrink: 0;
}

.layout-with-sidebar .main-content {
  flex: 1;
  min-width: 0;
}

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

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Grid system */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }

/* Flexbox utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* Spacing utilities */
.m-0 { margin: 0; }
.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.ml-0 { margin-left: 0; }
.ml-xs { margin-left: var(--spacing-xs); }
.ml-sm { margin-left: var(--spacing-sm); }
.ml-md { margin-left: var(--spacing-md); }
.ml-auto { margin-left: auto; }

.mr-0 { margin-right: 0; }
.mr-xs { margin-right: var(--spacing-xs); }
.mr-sm { margin-right: var(--spacing-sm); }
.mr-md { margin-right: var(--spacing-md); }
.mr-auto { margin-right: auto; }

.mx-auto { margin-left: auto; margin-right: auto; }
.my-0 { margin-top: 0; margin-bottom: 0; }
.my-md { margin-top: var(--spacing-md); margin-bottom: var(--spacing-md); }

.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.pt-0 { padding-top: 0; }
.pt-md { padding-top: var(--spacing-md); }
.pb-0 { padding-bottom: 0; }
.pb-md { padding-bottom: var(--spacing-md); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }

/* Width and height utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.max-w-full { max-width: 100%; }
.min-w-0 { min-width: 0; }

.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Responsive grid */
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .md\:flex-row { flex-direction: row; }
  .md\:w-auto { width: auto; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
  
  .sidebar {
    position: relative;
    transform: none;
  }
  
  .sidebar-backdrop {
    display: none;
  }
}

/* Card grid */
.card-grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

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

.page-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

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

.section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}