/**
 * ============================================================================
 * Country ISO API - Responsive Layouts
 * ============================================================================
 * Mobile-first responsive grid and layout system
 * Follows 1000% mobile-friendly approach
 * ============================================================================
 */

/* ============================================================================
 * CONTAINER SYSTEM
 * ============================================================================ */

.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* Container max-widths */
@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}

@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

@media (min-width: 1536px) {
  .container {
    max-width: var(--container-2xl);
  }
}

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

@media (min-width: 768px) {
  .container-fluid {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}

/* ============================================================================
 * GRID SYSTEM
 * ============================================================================ */

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: calc(var(--space-md) * -1);
  margin-right: calc(var(--space-md) * -1);
}

.row > * {
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* Column widths */
.col {
  flex: 1 0 0%;
}

.col-auto {
  flex: 0 0 auto;
  width: auto;
}

/* Mobile: Full width by default */
.col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
.col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
  width: 100%;
}

/* Tablet: 768px and up */
@media (min-width: 768px) {
  .col-md-1 { width: 8.333333%; }
  .col-md-2 { width: 16.666667%; }
  .col-md-3 { width: 25%; }
  .col-md-4 { width: 33.333333%; }
  .col-md-5 { width: 41.666667%; }
  .col-md-6 { width: 50%; }
  .col-md-7 { width: 58.333333%; }
  .col-md-8 { width: 66.666667%; }
  .col-md-9 { width: 75%; }
  .col-md-10 { width: 83.333333%; }
  .col-md-11 { width: 91.666667%; }
  .col-md-12 { width: 100%; }
}

/* Desktop: 1024px and up */
@media (min-width: 1024px) {
  .col-lg-1 { width: 8.333333%; }
  .col-lg-2 { width: 16.666667%; }
  .col-lg-3 { width: 25%; }
  .col-lg-4 { width: 33.333333%; }
  .col-lg-5 { width: 41.666667%; }
  .col-lg-6 { width: 50%; }
  .col-lg-7 { width: 58.333333%; }
  .col-lg-8 { width: 66.666667%; }
  .col-lg-9 { width: 75%; }
  .col-lg-10 { width: 83.333333%; }
  .col-lg-11 { width: 91.666667%; }
  .col-lg-12 { width: 100%; }
}

/* ============================================================================
 * PORTAL LAYOUT
 * ============================================================================ */

.portal-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.portal-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .header-container {
    padding: 0 var(--space-lg);
  }
}

.header-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  text-decoration: none;
}

.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 1024px) {
  .header-nav {
    display: flex;
  }
}

.header-nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.header-nav-link:hover,
.header-nav-link.is-active {
  color: var(--primary-color);
}

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

.mobile-menu-toggle {
  display: block;
  background: none;
  border: none;
  padding: var(--space-xs);
  color: var(--text-primary);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

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

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

@media (min-width: 1024px) {
  .portal-sidebar {
    transform: translateX(0);
  }
}

.sidebar-nav {
  padding: var(--space-lg) 0;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.sidebar-nav-item:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.sidebar-nav-item.is-active {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-right: 3px solid var(--primary-color);
}

.sidebar-nav-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* Main Content */
.portal-main {
  flex: 1;
  margin-top: var(--header-height);
  padding: var(--space-lg) var(--space-md);
}

@media (min-width: 1024px) {
  .portal-main {
    margin-left: var(--sidebar-width);
    padding: var(--space-2xl) var(--space-xl);
  }
}

.portal-main-header {
  margin-bottom: var(--space-2xl);
}

.portal-main-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

@media (min-width: 768px) {
  .portal-main-title {
    font-size: var(--font-size-3xl);
  }
}

.portal-main-description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

/* Mobile Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-overlay);
  z-index: calc(var(--z-fixed) - 1);
}

.sidebar-overlay.is-visible {
  display: block;
}

@media (min-width: 1024px) {
  .sidebar-overlay {
    display: none !important;
  }
}

/* ============================================================================
 * AUTH PAGES LAYOUT
 * ============================================================================ */

.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-secondary) 100%);
}

.auth-container {
  width: 100%;
  max-width: 28rem;
}

.auth-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2xl);
}

@media (min-width: 768px) {
  .auth-card {
    padding: var(--space-3xl);
  }
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.auth-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-md);
}

.auth-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-color);
}

.auth-footer {
  margin-top: var(--space-lg);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* ============================================================================
 * DASHBOARD GRID
 * ============================================================================ */

.dashboard-grid {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

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

/* Tablet: 2 columns */
@media (min-width: 768px) {
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop: 3-4 columns */
@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* Span utilities */
.span-full {
  grid-column: 1 / -1;
}

@media (min-width: 768px) {
  .span-md-2 {
    grid-column: span 2;
  }
}

@media (min-width: 1024px) {
  .span-lg-2 {
    grid-column: span 2;
  }

  .span-lg-3 {
    grid-column: span 3;
  }
}

/* ============================================================================
 * RESPONSIVE UTILITIES
 * ============================================================================ */

/* Spacing utilities */
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

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

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

@media (min-width: 768px) {
  .text-md-left { text-align: left; }
  .text-md-center { text-align: center; }
  .text-md-right { text-align: right; }
}

/* Display utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

@media (min-width: 768px) {
  .d-md-none { display: none; }
  .d-md-block { display: block; }
  .d-md-flex { display: flex; }
  .d-md-grid { display: grid; }
}

@media (min-width: 1024px) {
  .d-lg-none { display: none; }
  .d-lg-block { display: block; }
  .d-lg-flex { display: flex; }
  .d-lg-grid { display: grid; }
}

/* Flex utilities */
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-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(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ============================================================================
 * MOBILE OPTIMIZATIONS
 * ============================================================================ */

/* Touch-friendly click areas (minimum 44x44px) */
@media (max-width: 767px) {
  .btn,
  .form-input,
  .form-select,
  a.card,
  .sidebar-nav-item {
    min-height: 44px;
  }

  /* Larger text for better mobile readability */
  .table {
    font-size: var(--font-size-sm);
  }

  /* Stack form buttons on mobile */
  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }

  /* Full-width cards on mobile */
  .card {
    margin-left: calc(var(--space-md) * -1);
    margin-right: calc(var(--space-md) * -1);
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}

/* Prevent horizontal scroll on mobile */
@media (max-width: 767px) {
  body {
    overflow-x: hidden;
  }

  .table-container {
    margin-left: calc(var(--space-md) * -1);
    margin-right: calc(var(--space-md) * -1);
  }
}

/* Optimize modals for mobile */
@media (max-width: 767px) {
  .modal {
    max-width: 100%;
    margin: var(--space-md);
    max-height: calc(100vh - 2 * var(--space-md));
  }
}

/* ============================================================================
 * PRINT STYLES
 * ============================================================================ */

@media print {
  .portal-header,
  .portal-sidebar,
  .sidebar-overlay,
  .no-print {
    display: none !important;
  }

  .portal-main {
    margin-left: 0;
    margin-top: 0;
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid var(--border-color);
    page-break-inside: avoid;
  }
}