/*
 * eCitizen Mobile-First Responsive Framework
 * Priority: Make everything work on 360px screens first
 */

/* ========================================
   1. CSS VARIABLES - Zambian Theme
   ======================================== */
:root {
  /* Zambian National Colors */
  --zambia-green: #198754;
  --zambia-orange: #FF6B35;
  --zambia-red: #DC3545;
  --zambia-copper: #B87333;

  /* UI Colors */
  --primary: var(--zambia-green);
  --secondary: #6c757d;
  --success: #28a745;
  --warning: #ffc107;
  --danger: var(--zambia-red);
  --info: #17a2b8;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Touch Targets */
  --touch-min: 44px;
  --button-height: 48px;

  /* Typography */
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
}

/* ========================================
   2. RESET & BASE STYLES
   ======================================== */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px; /* Prevents zoom on iOS form inputs */
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: #212529;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   3. RESPONSIVE UTILITIES
   ======================================== */

/* Mobile-first flex utilities */
.mobile-stack {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.mobile-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Form fields - full width on mobile */
.form-field-mobile {
  width: 100% !important;
  margin-bottom: var(--spacing-md);
}

.form-field-mobile .rz-textbox,
.form-field-mobile .rz-dropdown,
.form-field-mobile .rz-datepicker,
.form-field-mobile .rz-numeric,
.form-field-mobile input,
.form-field-mobile select,
.form-field-mobile textarea {
  width: 100% !important;
  min-height: var(--touch-min);
  font-size: var(--font-size-base);
  padding: 12px 16px;
}

/* Hide on mobile */
.hide-mobile {
  display: none !important;
}

.show-mobile {
  display: block !important;
}

/* ========================================
   4. BUTTONS - Touch Friendly
   ======================================== */
.rz-button,
.btn,
button:not(.close) {
  min-height: var(--button-height) !important;
  min-width: var(--touch-min);
  padding: 12px 24px !important;
  font-size: var(--font-size-base) !important;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
}

/* Full-width buttons on mobile */
.btn-mobile-full,
.rz-button.btn-mobile-full {
  width: 100% !important;
  display: flex;
}

/* Button groups stack on mobile */
.rz-button-group,
.btn-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
}

.rz-button-group > *,
.btn-group > * {
  width: 100%;
}

/* ========================================
   5. CARDS & CONTAINERS
   ======================================== */
.rz-card,
.card {
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.rz-card-content,
.card-body {
  padding: var(--spacing-md);
}

/* Mobile Card Component */
.mobile-card {
  margin-bottom: 1rem;
  border-radius: 12px;
  overflow: hidden;
}

.mobile-card-header {
  display: flex;
  align-items: center;
  padding: 1rem 1rem 0.5rem;
  font-weight: 600;
}

.mobile-card-body {
  padding: 0 1rem 1rem;
}

.mobile-card-actions {
  padding: 0.75rem 1rem;
  border-top: 1px solid #e9ecef;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mobile-card-actions > * {
  flex: 1;
  min-width: 120px;
}

/* ========================================
   6. FORMS
   ======================================== */
.rz-textbox,
.rz-dropdown,
.rz-datepicker,
.rz-numeric,
.form-control,
input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  min-height: var(--touch-min);
  padding: 12px 16px;
  font-size: var(--font-size-base);
  border: 1px solid #ced4da;
  border-radius: var(--radius-sm);
  background-color: #fff;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.rz-textbox:focus,
.rz-dropdown:focus,
.form-control:focus,
input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.25);
}

/* Labels */
.rz-label,
label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  font-size: var(--font-size-base);
  color: #495057;
}

/* Required indicator */
.rz-label.required::after,
label.required::after {
  content: " *";
  color: var(--danger);
}

/* Mobile Form Field Component */
.mobile-form-field {
  margin-bottom: 1.25rem;
  width: 100%;
}

.mobile-form-field label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 15px;
  color: #495057;
}

.mobile-form-field label.required::after {
  content: " *";
  color: #dc3545;
}

.mobile-form-field .help-text {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 0.5rem;
  font-size: 13px;
  color: #6c757d;
}

.mobile-form-field .field-input {
  position: relative;
}

.mobile-form-field .error-message {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 0.5rem;
  font-size: 13px;
  color: #dc3545;
}

/* ========================================
   7. DATA GRIDS & TABLES
   ======================================== */
.rz-datatable,
.rz-grid,
.table-responsive {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  margin-bottom: var(--spacing-md);
}

.rz-datatable table,
.rz-grid table,
table {
  width: max-content;
  min-width: 100%;
  font-size: var(--font-size-sm);
}

.rz-datatable .rz-datatable-table,
.rz-grid .rz-data-grid-table {
  min-width: max-content;
}

.rz-datatable th,
.rz-datatable td {
  white-space: nowrap;
}

/* ========================================
   8. NAVIGATION
   ======================================== */
.rz-sidebar {
  width: 280px;
}

@media (max-width: 768px) {
  .rz-sidebar {
    width: min(85vw, 320px);
    max-width: 320px;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1100;
    box-shadow: var(--shadow-lg);
  }

  .rz-layout .rz-header .rz-row {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .rz-layout .rz-header .rz-column {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .rz-layout .rz-header .rz-stack {
    width: 100%;
  }

  .rz-layout .rz-header .rz-sidebar-toggle {
    flex-shrink: 0;
  }

  .rz-layout .rz-body {
    width: 100%;
  }

  .rz-panel-menu {
    max-height: calc(100vh - 5rem);
  }
}

.rz-panel-menu-item {
  min-height: var(--touch-min);
  padding: 12px 16px !important;
}

.rz-panel-menu-item-text {
  font-size: var(--font-size-base);
}

/* ========================================
   9. ALERTS & NOTIFICATIONS
   ======================================== */
.rz-alert,
.alert {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
}

/* ========================================
   10. MOBILE ACTION BAR
   ======================================== */
.mobile-action-bar {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid #e9ecef;
  padding: 1rem;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.mobile-action-bar.top {
  top: 0;
  bottom: auto;
  border-top: none;
  border-bottom: 1px solid #e9ecef;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.mobile-action-bar .action-bar-content {
  display: flex;
  gap: 0.75rem;
  max-width: 1200px;
  margin: 0 auto;
}

.mobile-action-bar .action-bar-content > * {
  flex: 1;
}

/* ========================================
   11. ACCESSIBILITY
   ======================================== */

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 9999;
}

.skip-to-main:focus {
  top: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  * {
    border-width: 2px !important;
  }

  .rz-button,
  .btn {
    border: 2px solid currentColor !important;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   12. TABLET BREAKPOINT (768px+)
   ======================================== */
@media (min-width: 768px) {
  .mobile-row {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .form-field-mobile {
    width: calc(50% - 0.5rem) !important;
  }

  .hide-mobile {
    display: block !important;
  }

  .show-mobile {
    display: none !important;
  }

  /* Buttons can be inline on tablet */
  .rz-button-group,
  .btn-group {
    flex-direction: row;
    width: auto;
  }

  .rz-button-group > *,
  .btn-group > * {
    width: auto;
  }

  /* Show more table columns */
  .rz-datatable th:nth-child(n+4),
  .rz-datatable td:nth-child(n+4) {
    display: table-cell;
  }

  /* Mobile action bar becomes static */
  .mobile-action-bar {
    position: static;
    box-shadow: none;
    border: none;
    padding: 0;
    margin-top: 1.5rem;
  }

  .mobile-action-bar .action-bar-content {
    justify-content: flex-end;
  }

  .mobile-action-bar .action-bar-content > * {
    flex: 0 0 auto;
    min-width: 120px;
  }

  .mobile-form-field {
    width: calc(50% - 0.5rem);
  }

  .mobile-form-field.full-width {
    width: 100%;
  }
}

/* ========================================
   13. DESKTOP BREAKPOINT (1024px+)
   ======================================== */
@media (min-width: 1024px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
  }

  .rz-card-content,
  .card-body {
    padding: var(--spacing-lg);
  }

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

/* ========================================
   14. LARGE DESKTOP (1440px+)
   ======================================== */
@media (min-width: 1440px) {
  .container-custom {
    max-width: 1320px;
    margin: 0 auto;
  }
}

/* ========================================
   15. PRINT STYLES
   ======================================== */
@media print {
  .rz-sidebar,
  .rz-header,
  .no-print,
  .mobile-action-bar {
    display: none !important;
  }

  .rz-card,
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* ========================================
   16. UTILITY CLASSES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

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

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

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

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ========================================
   17. RADZEN OVERRIDES FOR MOBILE
   ======================================== */

/* Stack orientation responsive */
.rz-stack[orientation="Horizontal"] {
  flex-direction: column;
}

@media (min-width: 768px) {
  .rz-stack[orientation="Horizontal"] {
    flex-direction: row;
  }
}

/* Radzen cards on mobile */
.rz-card {
  width: 100% !important;
}

/* Radzen tabs scrollable on mobile */
.rz-tabview-nav {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.rz-tabview-nav-content {
  flex-wrap: nowrap;
}

/* Radzen steps responsive */
.rz-steps .rz-steps-nav {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}