/* ============================================================================
   ODOMIA — Premium UI/UX Multi-step Form Stylesheet
   Theme: Odomia Theme (Deep Blue & Fresh Teal) (Frosted Glass & Gold Highlights)
   ============================================================================ */

:root {
  --msf-primary: #00236f;          /* Deep Trust Blue */
  --msf-primary-light: #1e3a8a;
  --msf-primary-glow: rgba(0, 35, 111, 0.05);
  
  --msf-secondary: #515f74;        /* Professional Slate */
  --msf-secondary-dark: #3a485b;
  --msf-secondary-glow: rgba(81, 95, 116, 0.12);
  --msf-secondary-soft: rgba(81, 95, 116, 0.3);

  --msf-bg-warm: #f7f9fb;          /* Slate 50 Neutral */
  --msf-card-bg: rgba(255, 255, 255, 0.95);
  
  --msf-text-dark: #191c1e;        /* On-surface */
  --msf-text-muted: #444651;       /* On-surface-variant */
  
  --msf-border: rgba(117, 118, 130, 0.25);
  --msf-border-hover: rgba(117, 118, 130, 0.45);
  --msf-border-active: #00236f;
  
  --msf-accent: #F59E0B;           /* Action Orange */
  --msf-accent-hover: #D97706;
  
  --msf-success: #10b981;          /* Clean success */
  --msf-shadow-premium: 0px 10px 25px rgba(30, 58, 138, 0.08); 
  --msf-shadow-button: 0 10px 15px -3px rgba(245, 158, 11, 0.3);
  
  --msf-radius-sm: 0.25rem;        /* 4px */
  --msf-radius-md: 0.75rem;        /* 12px */
  --msf-radius-lg: 1.5rem;         /* 24px */
}

/* ============================================================================
   MODAL OVERLAY WRAPPER
   ============================================================================ */

#estimation-form {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  z-index: 9999;
  padding: 1.5rem 1rem;
  overflow-y: auto;
}

#estimation-form.active {
  display: flex;
}

@media (min-width: 951px) {
  #estimation-form {
    align-items: center;
    padding: 1.5rem;
  }
}

/* ============================================================================
   CONTAINER GRID
   ============================================================================ */

.msf-container {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2.5rem;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--msf-text-dark);
}

@media (max-width: 950px) {
  .msf-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ============================================================================
   PREMIUM CARD ARCHITECTURE (FROSTED GLASS)
   ============================================================================ */

.msf-card {
  background: var(--msf-card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--msf-radius-lg);
  box-shadow: var(--msf-shadow-premium);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.3s ease;
}

.msf-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--msf-primary), var(--msf-secondary));
  opacity: 0.85;
}

@media (max-width: 600px) {
  .msf-card {
    padding: 1.75rem;
  }
}

/* ============================================================================
   LEFT PANEL: STEP CONTENT
   ============================================================================ */

.msf-header {
  margin-bottom: 2rem;
}

.msf-progress-container {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.msf-progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--msf-text-muted);
}

.msf-progress-bar {
  height: 4px;
  background: rgba(245, 158, 11, 0.15);
  border-radius: 2px;
  overflow: hidden;
}

.msf-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--msf-primary), var(--msf-secondary));
  width: 25%;
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.msf-step-panel {
  display: none;
  animation: slideFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  flex: 1;
}

.msf-step-panel.active {
  display: flex;
  flex-direction: column;
}

@keyframes slideFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msf-step-title {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.8rem;
  color: var(--msf-primary);
  margin-bottom: 0.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.msf-step-desc {
  font-size: 0.95rem;
  color: var(--msf-text-muted);
  margin-bottom: 2.2rem;
  line-height: 1.6;
}

/* ============================================================================
   FORM FIELDS & CHOICES
   ============================================================================ */

.msf-form-group {
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.msf-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--msf-primary);
}

.msf-input {
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius-md);
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--msf-text-dark);
  transition: all 0.25s ease;
  background: rgba(255, 255, 255, 0.9);
  width: 100%;
}

.msf-input:focus {
  outline: none;
  border-color: var(--msf-secondary);
  background: white;
  box-shadow: 0 0 0 4px var(--msf-secondary-glow);
}

.msf-input::placeholder {
  color: #a0aec0;
}

.msf-input.error {
  border-color: #f87171;
  background: #fff8f8;
  box-shadow: 0 0 0 4px rgba(248, 113, 113, 0.15);
}

.msf-error-msg {
  color: #ef4444;
  font-size: 0.8rem;
  font-weight: 600;
  display: none;
  margin-top: 0.25rem;
}

/* Choice Cards (Type, Délai, Agence) */
.msf-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.msf-type-card {
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius-md);
  background: white;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.msf-type-img-container {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.msf-type-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.msf-type-card:hover .msf-type-img {
  transform: scale(1.05);
}

.msf-type-card:hover {
  border-color: var(--msf-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 35, 111, 0.08);
}

.msf-type-card.active {
  border-color: var(--msf-primary);
  box-shadow: 0 12px 24px rgba(0, 35, 111, 0.15);
  transform: translateY(-2px);
}

.msf-type-info {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: left;
}

.msf-type-label {
  font-weight: 700;
  color: var(--msf-primary);
  font-size: 0.95rem;
}

.msf-type-sub {
  font-size: 0.72rem;
  color: var(--msf-text-muted);
  line-height: 1.4;
}

/* Custom Choice Cards */
.msf-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 600px) {
  .msf-choice-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.msf-choice-card {
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius-md);
  padding: 1.25rem 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  background: rgba(255, 255, 255, 0.6);
}

.msf-choice-card:hover {
  border-color: var(--msf-border-hover);
  background: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -8px rgba(245, 158, 11, 0.12);
}

.msf-choice-card.active {
  border-color: var(--msf-secondary-dark);
  background: linear-gradient(135deg, white 0%, var(--msf-secondary-glow) 100%);
  color: var(--msf-primary);
  box-shadow: 0 12px 25px -10px rgba(245, 158, 11, 0.25);
  transform: translateY(-2px);
}

.msf-choice-icon {
  font-size: 1.6rem;
}

.msf-choice-label {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.msf-choice-desc {
  font-size: 0.72rem;
  color: var(--msf-text-muted);
}

/* DPE Grid Selection */
.msf-dpe-grid {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.msf-dpe-btn {
  flex: 1;
  min-width: 38px;
  height: 38px;
  border-radius: var(--msf-radius-sm);
  border: 1px solid var(--msf-border);
  background: rgba(255, 255, 255, 0.8);
  color: var(--msf-text-dark);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.msf-dpe-btn:hover {
  transform: scale(1.08);
}

.msf-dpe-btn[data-dpe="A"] { border-color: #3b82f6; color: #3b82f6; }
.msf-dpe-btn[data-dpe="B"] { border-color: #10b981; color: #10b981; }
.msf-dpe-btn[data-dpe="C"] { border-color: #84cc16; color: #84cc16; }
.msf-dpe-btn[data-dpe="D"] { border-color: #eab308; color: #eab308; }
.msf-dpe-btn[data-dpe="E"] { border-color: #f97316; color: #f97316; }
.msf-dpe-btn[data-dpe="F"] { border-color: #f43f5e; color: #f43f5e; }
.msf-dpe-btn[data-dpe="G"] { border-color: #ef4444; color: #ef4444; }

.msf-dpe-btn.active {
  color: white !important;
}
.msf-dpe-btn[data-dpe="A"].active { background: #3b82f6; }
.msf-dpe-btn[data-dpe="B"].active { background: #10b981; }
.msf-dpe-btn[data-dpe="C"].active { background: #84cc16; }
.msf-dpe-btn[data-dpe="D"].active { background: #eab308; }
.msf-dpe-btn[data-dpe="E"].active { background: #f97316; }
.msf-dpe-btn[data-dpe="F"].active { background: #f43f5e; }
.msf-dpe-btn[data-dpe="G"].active { background: #ef4444; }

/* Address Autocomplete */
.msf-autocomplete-container {
  position: relative;
  width: 100%;
}

.msf-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--msf-secondary-soft);
  border-radius: var(--msf-radius-md);
  box-shadow: 0 15px 35px rgba(42, 102, 138, 0.12);
  z-index: 100;
  max-height: 220px;
  overflow-y: auto;
  margin-top: 6px;
  display: none;
}

.msf-suggestion-item {
  padding: 0.85rem 1.25rem;
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 1px solid #f8fafc;
  transition: background 0.15s ease;
}

.msf-suggestion-item:last-child {
  border-bottom: none;
}

.msf-suggestion-item:hover {
  background: #fdfbf7;
}

.msf-suggestion-item strong {
  color: var(--msf-primary);
}

.msf-suggestion-item span {
  display: block;
  font-size: 0.78rem;
  color: var(--msf-text-muted);
  margin-top: 2px;
}

/* Accordion for advanced hédonique options */
.msf-accordion {
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius-md);
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.5);
  transition: border-color 0.25s;
}

.msf-accordion:hover {
  border-color: var(--msf-border-hover);
}

.msf-accordion-trigger {
  background: rgba(255, 255, 255, 0.8);
  padding: 1.1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--msf-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.msf-accordion-trigger::after {
  content: '▼';
  font-size: 0.65rem;
  color: var(--msf-secondary);
  transition: transform 0.3s;
}

.msf-accordion.open .msf-accordion-trigger::after {
  transform: rotate(180deg);
}

.msf-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background: rgba(255, 255, 255, 0.3);
}

.msf-accordion.open .msf-accordion-content {
  max-height: 600px;
  overflow-y: auto;
}

.msf-accordion-inner {
  padding: 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .msf-accordion-inner {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }
}

/* Custom Checkbox */
.msf-checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--msf-text-muted);
  user-select: none;
}

.msf-checkbox-container input {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  border-radius: var(--msf-radius-sm);
  border: 1px solid var(--msf-border);
  accent-color: var(--msf-secondary);
  cursor: pointer;
}

/* Actions Footer (Buttons) */
.msf-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  gap: 1rem;
  border-top: 1px solid rgba(245, 158, 11, 0.15);
  padding-top: 1.5rem;
}

.msf-btn {
  font-family: inherit;
  font-weight: 700;
  padding: 1rem 2rem;
  border-radius: var(--msf-radius-md);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.msf-btn-secondary {
  background: transparent;
  color: var(--msf-primary);
  border: 1px solid var(--msf-primary);
}

.msf-btn-secondary:hover {
  background: var(--msf-primary-glow);
  color: var(--msf-primary-light);
}

.msf-btn-primary {
  background: var(--msf-accent);
  color: white;
  box-shadow: var(--msf-shadow-button);
  margin-left: auto;
}

.msf-btn-primary:hover {
  background: var(--msf-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(245, 158, 11, 0.4);
}

.msf-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ============================================================================
   RIGHT PANEL: LIVE ESTIMATION CARD
   ============================================================================ */

.msf-preview-card {
  align-self: start;
}

@media (min-width: 951px) {
  .msf-preview-card {
    position: sticky;
    top: 2.5rem;
  }
}

.msf-preview-title {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--msf-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Summary items list */
.msf-summary-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid rgba(245, 158, 11, 0.15);
  padding-bottom: 1.5rem;
}

.msf-summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.msf-summary-label {
  color: var(--msf-text-muted);
}

.msf-summary-value {
  font-weight: 700;
  color: var(--msf-primary);
}

/* Estimation Value Container */
.msf-est-container {
  position: relative;
  background: linear-gradient(135deg, #fbfaf8 0%, #f4f1e9 100%);
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.msf-est-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--msf-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.msf-est-range {
  font-family: 'Lora', Georgia, serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--msf-primary);
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.msf-est-details {
  font-size: 0.82rem;
  color: var(--msf-secondary-dark);
  font-weight: 600;
  line-height: 1.4;
}

/* Hologram/Glass Blur overlay */
.msf-blur-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(2px) saturate(105%);
  -webkit-backdrop-filter: blur(2px) saturate(105%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.75rem;
  border-radius: var(--msf-radius-md);
  z-index: 10;
  transition: all 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 1;
  pointer-events: auto;
  border: 1px solid rgba(255,255,255,0.4);
}

/* Golden shimmer scanner overlay */
@keyframes golden-shimmer {
  0% { transform: translateX(-150%) skewX(-25deg); }
  100% { transform: translateX(150%) skewX(-25deg); }
}

.msf-blur-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(245, 158, 11, 0.15) 30%,
    rgba(245, 158, 11, 0.3) 50%,
    rgba(245, 158, 11, 0.15) 70%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: translateX(-100%);
  animation: golden-shimmer 3.5s infinite ease-in-out;
}

.msf-blur-overlay.hidden {
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transform: scale(0.95);
}

@keyframes lock-pulse {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.45); transform: scale(1); }
  70% { box-shadow: 0 0 0 12px rgba(245, 158, 11, 0); transform: scale(1.05); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); transform: scale(1); }
}

.msf-lock-icon {
  font-size: 1.4rem;
  color: var(--msf-primary);
  background: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 20px rgba(42, 102, 138, 0.08);
  margin-bottom: 0.85rem;
  border: 1px solid var(--msf-secondary-soft);
  animation: lock-pulse 2.2s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

.msf-lock-text {
  font-size: 0.85rem;
  color: var(--msf-primary);
  font-weight: 700;
  line-height: 1.5;
  max-width: 220px;
  text-align: center;
}

/* Trust / Precision Gauge */
.msf-gauge-group {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.msf-gauge-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--msf-text-muted);
}

.msf-gauge-bar {
  height: 4px;
  background: rgba(245, 158, 11, 0.12);
  border-radius: 2px;
}

.msf-gauge-fill {
  height: 100%;
  background: var(--msf-secondary-dark);
  border-radius: 2px;
  width: 40%;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================================
   FINAL SCREEN / RESULTS COMPONENT
   ============================================================================ */

.msf-result-success {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.msf-success-icon {
  font-size: 3.5rem;
  color: var(--msf-success);
  margin-bottom: 0.25rem;
  filter: drop-shadow(0 10px 20px rgba(20, 184, 166, 0.2));
}

.msf-advisor-card {
  border: 1px solid var(--msf-border);
  border-radius: var(--msf-radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
  text-align: left;
  background: linear-gradient(135deg, white 0%, var(--msf-primary-glow) 100%);
  margin-top: 1rem;
}

.msf-advisor-photo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--msf-secondary);
  background: #f1f5f9;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.msf-advisor-info {
  flex: 1;
}

.msf-advisor-role {
  font-size: 0.72rem;
  color: var(--msf-secondary-dark);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.msf-advisor-name {
  font-family: 'Lora', Georgia, serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--msf-primary);
  margin: 2px 0;
}

.msf-advisor-contact {
  font-size: 0.8rem;
  color: var(--msf-text-muted);
}

.msf-calendar-btn {
  background: linear-gradient(135deg, var(--msf-primary) 0%, var(--msf-primary-light) 100%);
  color: white;
  padding: 1rem;
  border-radius: var(--msf-radius-md);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 20px -5px rgba(42, 102, 138, 0.3);
}

.msf-calendar-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 25px -5px rgba(42, 102, 138, 0.4);
}

/* Spinner */
.msf-spinner {
  border: 3px solid rgba(245, 158, 11, 0.15);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border-left-color: var(--msf-secondary-dark);
  animation: msf-spin 1.2s cubic-bezier(0.5, 0.1, 0.5, 0.9) infinite;
}

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

/* Close button inside modal form card */
.msf-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: #ffffff;
  border: 1px solid rgba(0, 35, 111, 0.12);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--msf-primary);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.msf-close-btn:hover {
  background: var(--msf-primary);
  color: #ffffff;
  transform: scale(1.08) rotate(90deg);
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(0, 35, 111, 0.18);
}

/* ============================================================================
   UX/UI OPTIMIZATIONS: STEPS INDICATORS & ROOMS BUTTONS
   ============================================================================ */

.msf-progress-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(117, 118, 130, 0.15);
  padding-bottom: 1rem;
}

.msf-step-indicator {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--msf-text-muted);
  opacity: 0.5;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.msf-step-indicator.active {
  color: var(--msf-primary);
  opacity: 1;
}

.msf-step-indicator.completed {
  color: var(--msf-accent);
  opacity: 1;
}

.msf-step-arrow {
  color: var(--msf-text-muted);
  opacity: 0.3;
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .msf-progress-steps {
    justify-content: center;
    gap: 1rem;
    padding-right: 2rem;
  }
  .msf-step-name, .msf-step-arrow {
    display: none !important;
  }
  .msf-step-indicator {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--msf-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    opacity: 0.6;
    transition: all 0.25s ease;
  }
  .msf-step-indicator.active {
    border-color: var(--msf-primary);
    background: var(--msf-primary);
    color: white;
    opacity: 1;
    font-weight: 700;
  }
  .msf-step-indicator.completed {
    border-color: var(--msf-accent);
    background: var(--msf-accent);
    color: white;
    opacity: 1;
    font-weight: 700;
  }
}

.msf-rooms-grid {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.msf-rooms-btn {
  flex: 1;
  height: 48px;
  border-radius: var(--msf-radius-md);
  border: 1px solid var(--msf-border);
  background: white;
  color: var(--msf-text-dark);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.msf-rooms-btn:hover {
  border-color: var(--msf-primary);
  background: var(--msf-primary-glow);
}

.msf-rooms-btn.active {
  border-color: var(--msf-primary);
  background: var(--msf-primary);
  color: white;
}