/* SempreID Platform - Layout Styles */
/* Header, Footer, and Grid System */

/* Main Layout Structure */
.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* Header */
.site-header {
  background-color: var(--white);
  border-bottom: 1px solid var(--grey-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  min-height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--grey-900);
}

.logo img {
  height: 40px;
  width: auto;
}

.logo span {
  color: var(--nim-primary);
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.main-nav a {
  color: var(--grey-700);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.main-nav a:hover {
  color: var(--nim-primary);
  text-decoration: none;
}

.main-nav a.active {
  color: var(--nim-primary);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--nim-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--grey-700);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* Footer */
.site-footer {
  background-color: var(--grey-100);
  border-top: 1px solid var(--grey-200);
  margin-top: auto;
  padding: var(--spacing-xxl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--grey-900);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: var(--grey-600);
  font-size: 0.875rem;
}

.footer-section a {
  display: block;
  color: var(--grey-600);
  font-size: 0.875rem;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--nim-primary);
  text-decoration: none;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--grey-200);
  text-align: center;
}

.footer-bottom p {
  color: var(--grey-600);
  font-size: 0.875rem;
  margin: 0;
}

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

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* Section Spacing */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-sm {
  padding: var(--spacing-xl) 0;
}

.section-lg {
  padding: calc(var(--spacing-xxl) * 1.5) 0;
}

/* Cards Layout */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

/* Sidebar Layout */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-xl);
}

.sidebar {
  position: sticky;
  top: calc(70px + var(--spacing-lg));
  height: fit-content;
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1500;
  display: none;
}

.overlay.active {
  display: block;
}

/* Modal */
.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 2000;
  display: none;
}

.modal.active {
  display: block;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--grey-200);
}

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

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--grey-200);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}