/* ═══════════════════════════════════════════════════════════════════════════════
   SIMULATEUR IR MAROC 2026 — CSS STYLES
   ═══════════════════════════════════════════════════════════════════════════════
   
   Responsive design: 320px - 1920px
   Accessibility: WCAG AA compliance (contrast ≥ 4.5:1, touch targets ≥ 44px)
   Framework: Bootstrap 5.3 + Custom styles
   
   Requirements: 8.1, 8.2, 8.6
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ── CSS CUSTOM PROPERTIES ──────────────────────────────────────────────────── */
:root {
  /* Simulator-specific colors */
  --simulator-primary: #3b82f6;
  --simulator-primary-dark: #1d4ed8;
  --simulator-success: #22c55e;
  --simulator-warning: #f59e0b;
  --simulator-danger: #ef4444;
  
  /* Background colors */
  --simulator-bg: #fafafa;
  --simulator-card-bg: #ffffff;
  --simulator-header-bg: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  
  /* Text colors (WCAG AA compliant) */
  --simulator-text-primary: #111827;
  --simulator-text-secondary: #6b7280;
  --simulator-text-muted: #9ca3af;
  --simulator-text-white: #ffffff;
  
  /* Border and shadow */
  --simulator-border: #e5e7eb;
  --simulator-border-focus: #3b82f6;
  --simulator-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --simulator-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Spacing and sizing */
  --simulator-radius: 0.75rem;
  --simulator-radius-lg: 1rem;
  --simulator-min-touch: 44px;
  
  /* Transitions */
  --simulator-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode support (inherits from base_public.html) */
@media (prefers-color-scheme: dark) {
  :root {
    --simulator-bg: #111827;
    --simulator-card-bg: #1f2937;
    --simulator-text-primary: #f9fafb;
    --simulator-text-secondary: #d1d5db;
    --simulator-text-muted: #9ca3af;
    --simulator-border: #374151;
    --simulator-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --simulator-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  }
}

/* ── MAIN CONTAINER ──────────────────────────────────────────────────────────── */
.simulator-container {
  min-height: 100vh;
  background: var(--simulator-bg);
  color: var(--simulator-text-primary);
}

/* ── HEADER SECTION ──────────────────────────────────────────────────────────── */
.simulator-header {
  background: var(--simulator-header-bg);
  color: var(--simulator-text-white);
  padding: 3rem 0 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.simulator-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.simulator-header .container {
  position: relative;
  z-index: 1;
}

.simulator-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.simulator-header .lead {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 1rem;
  opacity: 0.95;
}

.fiscal-year-badge .badge {
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ── MAIN CONTENT ────────────────────────────────────────────────────────────── */
.simulator-main {
  padding: 2rem 0 4rem;
  position: relative;
}

/* ── FORM SECTION ────────────────────────────────────────────────────────────── */
.simulator-form-section .card {
  border: 1px solid var(--simulator-border);
  border-radius: var(--simulator-radius-lg);
  box-shadow: var(--simulator-shadow-lg);
  background: var(--simulator-card-bg);
  overflow: hidden;
}

.simulator-form-section .card-header {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-bottom: 1px solid var(--simulator-border);
  padding: 1.5rem;
}

.simulator-form-section .card-title {
 
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.simulator-form-section .card-title i {
  color: var(--simulator-primary);
}

.simulator-form-section .card-body {
  padding: 2rem;
}

/* ── FORM CONTROLS ───────────────────────────────────────────────────────────── */
.form-label {
  font-weight: 500;
  color: var(--simulator-text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.form-label .text-danger {
  color: var(--simulator-danger);
}

.form-control,
.form-select {
  min-height: var(--simulator-min-touch);
  border: 2px solid var(--simulator-border);
  border-radius: var(--simulator-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  background: var(--simulator-card-bg);
  color: var(--simulator-text-primary);
  transition: var(--simulator-transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--simulator-border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  outline: none;
}

.form-control:invalid,
.form-select:invalid {
  border-color: var(--simulator-danger);
}

.form-text {
  font-size: 0.8125rem;
  color: var(--simulator-text-muted);
  margin-top: 0.25rem;
}

.invalid-feedback {
  color: var(--simulator-danger);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
  display: block;
}

/* ── SUBMIT BUTTON ───────────────────────────────────────────────────────────── */
.btn-primary {
  min-height: var(--simulator-min-touch);
  background: var(--simulator-primary);
  border: 2px solid var(--simulator-primary);
  border-radius: var(--simulator-radius);
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--simulator-text-white);
  transition: var(--simulator-transition);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: var(--simulator-primary-dark);
  border-color: var(--simulator-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:focus {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

/* ── RESULTS SECTION ─────────────────────────────────────────────────────────── */
.simulator-results-section .card {
  border: 1px solid var(--simulator-border);
  border-radius: var(--simulator-radius-lg);
  box-shadow: var(--simulator-shadow-lg);
  background: var(--simulator-card-bg);
  overflow: hidden;
  animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.simulator-results-section .card-header {
  border-bottom: 1px solid var(--simulator-border);
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.simulator-results-section .card-title {
  color: var(--simulator-text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  margin: 0;
}

.simulator-results-section .card-title i {
  color: var(--simulator-primary);
}

/* ── RESULT CARDS ────────────────────────────────────────────────────────────── */
.result-card {
  
  border: 1px solid var(--simulator-border);
  border-radius: var(--simulator-radius);
  padding: 1.5rem;
  transition: var(--simulator-transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

.result-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--simulator-shadow-lg);
  border-color: var(--simulator-primary);
}

.result-icon {
  font-size: 2rem;
  color: var(--simulator-primary);
  margin-bottom: 0.75rem;
}

.result-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--simulator-text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--simulator-text-primary);
  line-height: 1.2;
}

/* ── BREAKDOWN TABLE ─────────────────────────────────────────────────────────── */
.results-breakdown h3 {
  color: var(--simulator-text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.results-breakdown h3 i {
  color: var(--simulator-primary);
}

.table {
  background: var(--simulator-card-bg);
  border-radius: var(--simulator-radius);
  overflow: hidden;
  box-shadow: var(--simulator-shadow);
}

.table th {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  color: var(--simulator-text-primary);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  border-bottom: 2px solid var(--simulator-border);
  padding: 1rem;
}

.table td {
  color: var(--simulator-text-primary);
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--simulator-border);
  vertical-align: middle;
}

.table tbody tr:hover {
  background: rgba(59, 130, 246, 0.05);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ── SHARE BUTTONS ───────────────────────────────────────────────────────────── */
.results-share h3 {
  color: var(--simulator-text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.results-share h3 i {
  color: var(--simulator-primary);
}

.results-share .btn {
  min-height: var(--simulator-min-touch);
  padding: 0.75rem 1.5rem;
  border-radius: var(--simulator-radius);
  font-weight: 500;
  transition: var(--simulator-transition);
  border-width: 2px;
}

.results-share .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.results-share .btn-success {
  background: #25d366;
  border-color: #25d366;
  color: white;
}

.results-share .btn-success:hover {
  background: #128c7e;
  border-color: #128c7e;
}

.results-share .btn-primary {
  background: #0077b5;
  border-color: #0077b5;
}

.results-share .btn-primary:hover {
  background: #005885;
  border-color: #005885;
}

.results-share .btn-outline-secondary {
  color: var(--simulator-text-primary);
  border-color: var(--simulator-border);
  background: transparent;
}

.results-share .btn-outline-secondary:hover {
  background: var(--simulator-text-primary);
  color: var(--simulator-card-bg);
  border-color: var(--simulator-text-primary);
}

/* ── COPY FEEDBACK ───────────────────────────────────────────────────────────── */
#copy-feedback {
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── CTA SECTION ─────────────────────────────────────────────────────────────── */
.results-cta .card {
  
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--simulator-radius-lg);
}

.results-cta .card-title {
  color: var(--simulator-text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.results-cta .card-text {
  color: var(--simulator-text-secondary);
  margin-bottom: 1.5rem;
}

.results-cta .btn {
  min-height: var(--simulator-min-touch);
  padding: 0.75rem 1.5rem;
  border-radius: var(--simulator-radius);
  font-weight: 500;
  transition: var(--simulator-transition);
  border-width: 2px;
}

/* ── ALERTS ──────────────────────────────────────────────────────────────────── */
.alert {
  border-radius: var(--simulator-radius);
  border-width: 1px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
  color: #166534;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #991b1b;
}

/* ── RESPONSIVE DESIGN ───────────────────────────────────────────────────────── */

/* Mobile First: 320px - 575px */
@media (max-width: 575.98px) {
  .simulator-header {
    padding: 2rem 0 1.5rem;
  }
  
  .simulator-header h1 {
    font-size: 1.875rem;
  }
  
  .simulator-header .lead {
    font-size: 1rem;
  }
  
  .simulator-main {
    padding: 1.5rem 0 3rem;
  }
  
  .simulator-form-section .card-body,
  .simulator-results-section .card-body {
    padding: 1.5rem;
  }
  
  .result-card {
    min-height: 100px;
    padding: 1rem;
  }
  
  .result-value {
    font-size: 1.25rem;
  }
  
  .results-share .d-flex {
    flex-direction: column;
  }
  
  .results-share .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .table-responsive {
    font-size: 0.875rem;
  }
}

/* Small devices: 576px - 767px */
@media (min-width: 576px) and (max-width: 767.98px) {
  .simulator-header h1 {
    font-size: 2.25rem;
  }
  
  .result-card {
    min-height: 110px;
  }
}

/* Medium devices: 768px - 991px */
@media (min-width: 768px) and (max-width: 991.98px) {
  .simulator-header h1 {
    font-size: 2.5rem;
  }
  
  .result-card {
    min-height: 120px;
  }
}

/* Large devices: 992px - 1199px */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .simulator-container {
    max-width: 1140px;
    margin: 0 auto;
  }
}

/* Extra large devices: 1200px - 1919px */
@media (min-width: 1200px) and (max-width: 1919.98px) {
  .simulator-container {
    max-width: 1320px;
    margin: 0 auto;
  }
  
  .simulator-header h1 {
    font-size: 3rem;
  }
  
  .simulator-header .lead {
    font-size: 1.375rem;
  }
}

/* Ultra wide: 1920px+ */
@media (min-width: 1920px) {
  .simulator-container {
    max-width: 1600px;
    margin: 0 auto;
  }
  
  .simulator-header {
    padding: 4rem 0 3rem;
  }
  
  .simulator-main {
    padding: 3rem 0 5rem;
  }
}

/* ── ACCESSIBILITY ENHANCEMENTS ─────────────────────────────────────────────── */

/* Focus indicators */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: 2px solid var(--simulator-primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --simulator-border: #000000;
    --simulator-text-primary: #000000;
    --simulator-text-secondary: #333333;
  }
  
  .form-control,
  .form-select {
    border-width: 3px;
  }
  
  .btn {
    border-width: 3px;
  }
}

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

/* Print styles */
@media print {
  .simulator-header {
    background: none !important;
    color: #000000 !important;
  }
  
  .results-share,
  .results-cta {
    display: none !important;
  }
  
  .card {
    border: 2px solid #000000 !important;
    box-shadow: none !important;
  }
  
  .result-card {
    border: 1px solid #000000 !important;
  }
}

/* ── LOADING STATES ──────────────────────────────────────────────────────────── */
.btn-primary.loading {
  position: relative;
  color: transparent;
}

.btn-primary.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ── UTILITY CLASSES ─────────────────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--simulator-primary) 0%, var(--simulator-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── END OF FILE ─────────────────────────────────────────────────────────────── */