:root {
  /* Colors updated */
  --primary: #043e80;
  --primary-container: #043e80;
  --secondary: #d2071d;
  --secondary-container: #d2071d;
  --background: #f8f9ff;
  --surface: #f8f9ff;
  --surface-container: #e6eeff;
  --on-surface: #0d1c2e;
  --on-surface-variant: #44474e;
  --outline: #74777f;
  --outline-variant: #c4c6cf;
  --error: #ba1a1a;
  
  /* Typography updated */
  --font-family-title: 'Montserrat', sans-serif; /* Gotham substitute */
  --font-family-body: 'Montserrat', sans-serif;
  
  /* Spacing */
  --spacing-base: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 12px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 80px;
  
  /* Border Radius */
  --rounded-default: 8px;
  --rounded-lg: 16px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-body);
  background-color: var(--background);
  color: var(--on-surface);
  line-height: 1.5;
}

header {
  background-color: #ffffff;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--outline-variant);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.language-switcher {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 700;
}

.lang-btn {
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--on-surface-variant);
  transition: all 0.2s;
}

.lang-btn.active {
  background-color: var(--primary);
  color: #ffffff;
}

.lang-btn:hover:not(.active) {
  background-color: var(--surface-container);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.header-titles {
  display: flex;
  flex-direction: column;
  margin-left: 25px;
}

.header-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-family-title);
  line-height: 1.2;
}

.global-header-title {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--on-surface-variant);
  font-family: var(--font-family-title);
  letter-spacing: 0.5px;
}

main {
  max-width: 600px;
  margin: var(--spacing-xl) auto;
  padding: 0 var(--spacing-md);
}

/* Stepper Indicator */
.progress-container {
  margin-bottom: var(--spacing-xl);
}

.stepper {
  display: flex;
  align-items: flex-start; /* Align to top to keep circles level */
  justify-content: space-between;
  position: relative;
  width: 100%;
  padding: 0 10px;
}

.stepper-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
  flex: 1;
}

.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #d2071d; /* Red (Remaining) */
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  font-family: var(--font-family-title);
  border: 2px solid transparent;
  flex-shrink: 0;
}

.stepper-item.active .step-circle,
.stepper-item.completed .step-circle {
  background-color: #043e80; /* Blue (Active/Completed) */
}

.step-line {
  position: absolute;
  top: 16px; /* Center of the 32px circle */
  left: calc(50% + 16px);
  width: calc(100% - 32px);
  height: 2px;
  background-color: #d2071d; /* Red */
  z-index: 1;
}

.step-line.active {
  background-color: #043e80; /* Blue */
}

.step-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  margin-top: 8px;
  text-align: center;
  text-transform: uppercase;
  font-family: var(--font-family-title);
  width: 100%;
  line-height: 1.2;
}

.stepper-item.active .step-label {
  color: var(--primary);
  font-weight: 700;
}

/* Form Card */
.form-card {
  background-color: #ffffff;
  padding: var(--spacing-lg);
  border-radius: var(--rounded-lg);
  box-shadow: 0 4px 20px rgba(26, 50, 88, 0.08);
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-family-title);
}

.subtitle {
  font-size: 1rem;
  color: var(--on-surface-variant);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--on-surface);
}

label span {
  color: var(--error);
}

input, select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--outline-variant);
  border-radius: var(--rounded-default);
  font-size: 1rem;
  font-family: var(--font-family-body);
  font-weight: 400;
  color: var(--on-surface);
  background-color: #ffffff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23043e80' stroke-width='2' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px 8px;
  padding-right: 40px;
  cursor: pointer;
}

select:invalid,
select option[value=""] {
  color: var(--outline);
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26, 50, 88, 0.1);
}

input::placeholder {
  color: var(--outline);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

button {
  flex: 1;
  padding: var(--spacing-md);
  border-radius: var(--rounded-default);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  border: none;
  font-family: var(--font-family-title);
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--rounded-default);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all 0.2s;
}

.btn-primary:hover {
  background-color: #032d5c;
  transform: translateY(-1px);
}

.summary-page .btn-primary:hover {
  background-color: #2e7d32 !important;
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--on-surface-variant);
  border: 1px solid var(--outline-variant);
  font-family: var(--font-family-title);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--rounded-default);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all 0.2s;
}

.btn-secondary:hover {
  background-color: var(--surface-container);
  border-color: var(--outline);
}

/* Checkbox Group Styles */
.checkbox-group {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border: 1px solid var(--outline-variant);
  border-radius: var(--rounded-default);
  transition: all 0.2s;
  cursor: pointer;
}

.checkbox-item:hover {
  background-color: var(--surface-container);
  border-color: var(--primary);
}

.checkbox-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.checkbox-label-content {
  display: flex;
  flex-direction: column;
}

.checkbox-label-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--on-surface);
}

.checkbox-label-sub {
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
}

/* Course Card Styles */
.course-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--outline-variant);
  border-radius: var(--rounded-default);
  margin-bottom: var(--spacing-xs);
  background-color: #ffffff;
  transition: all 0.2s;
  cursor: grab;
  position: relative;
  user-select: none;
}

.course-card:active {
  cursor: grabbing;
}

.course-card.dragging {
  opacity: 0.5;
  background-color: var(--surface-container);
  border: 2px dashed var(--primary);
  box-shadow: 0 8px 30px rgba(26, 50, 88, 0.15);
  z-index: 100;
}

.drag-handle {
  color: var(--outline);
  display: flex;
  align-items: center;
  cursor: grab;
}

.rank-badge {
  background-color: #d2071d; /* Red as requested */
  color: #ffffff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(210, 7, 29, 0.2);
}

.course-info {
  flex: 1;
}

.course-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  font-family: var(--font-family-title);
  line-height: 1.2;
}

.course-location {
  font-weight: 400; /* Normal as requested */
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  font-family: var(--font-family-body);
  margin-top: 2px;
}

.selection-container {
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.subtitle-inline {
  font-weight: 400;
  text-transform: lowercase;
  letter-spacing: normal;
}

.selection-zone {
  min-height: 100px;
  background-color: rgba(230, 238, 255, 0.5);
  border: 2px dashed var(--outline-variant);
  border-radius: var(--rounded-default);
  padding: var(--spacing-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

#selected-list {
  background-color: #ffffff;
  border: 2px solid var(--primary);
}

.empty-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 80px;
  color: var(--on-surface-variant);
  font-size: 0.875rem;
  font-style: italic;
  text-align: center;
  pointer-events: none;
}

/* Signature Pad Styles */
.signature-container {
  position: relative;
  width: 100%;
  margin-top: var(--spacing-sm);
  background-color: #ffffff;
  border: 1px solid var(--outline-variant);
  border-radius: var(--rounded-default);
  overflow: hidden;
}

.signature-pad {
  width: 100%;
  height: 180px;
  cursor: crosshair;
  display: block;
  touch-action: none; /* Crucial for touch screens */
  position: relative;
  z-index: 2;
}

.signature-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--outline-variant);
  font-size: 1.5rem;
  font-weight: 700;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.btn-clear {
  position: absolute;
  top: 8px;
  right: 8px;
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--outline-variant);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
  z-index: 10;
}

.btn-clear:hover {
  background-color: var(--surface-container);
  color: var(--secondary);
  border-color: var(--secondary);
}

/* Summary Card Styles */
.summary-card {
  background-color: var(--surface-container);
  padding: var(--spacing-md);
  border-radius: var(--rounded-default);
  margin-bottom: var(--spacing-md);
}

.summary-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
  font-weight: 700;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 4px;
}

.summary-label {
  font-weight: 600;
  color: var(--on-surface-variant);
}

.signature-box {
  width: 100%;
  height: 150px;
  border: 2px dashed var(--outline-variant);
  border-radius: var(--rounded-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--outline);
  background-color: var(--background);
  margin: var(--spacing-md) 0;
}

.btn-danger {
  background-color: var(--secondary);
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.btn-danger:hover {
  background-color: #a0141a;
  transform: translateY(-1px);
}

/* --- Premium Date Picker & Flatpickr Overrides (UI Expert Design) --- */

/* Fix native browser date styling issues */
input[type="date"] {
  color: var(--on-surface);
  font-family: var(--font-family-body);
}

/* Chrome/Safari native placeholder & value styling */
input[type="date"]::-webkit-datetime-edit-text,
input[type="date"]::-webkit-datetime-edit-month-field,
input[type="date"]::-webkit-datetime-edit-day-field,
input[type="date"]::-webkit-datetime-edit-year-field {
  color: var(--on-surface);
  font-family: var(--font-family-body);
}

/* Custom Flatpickr Calendar Wrapper */
.flatpickr-calendar {
  background: #ffffff !important;
  border: 1px solid var(--outline-variant) !important;
  border-radius: var(--rounded-lg) !important;
  box-shadow: 0 12px 40px rgba(4, 62, 128, 0.12) !important;
  font-family: var(--font-family-body) !important;
  box-sizing: content-box !important;
  padding: 12px !important;
  width: 307.875px !important; /* Fixed width of day container */
  border-color: #e2e8f0 !important;
  transition: all 0.3s ease;
}

/* Arrows */
.flatpickr-calendar.arrowTop:before,
.flatpickr-calendar.arrowTop:after {
  border-bottom-color: #ffffff !important;
}
.flatpickr-calendar.arrowBottom:before,
.flatpickr-calendar.arrowBottom:after {
  border-top-color: #ffffff !important;
}

/* Header (Month & Year select) */
.flatpickr-months {
  padding: 4px 0 !important;
}
.flatpickr-months .flatpickr-month {
  color: var(--primary) !important;
  fill: var(--primary) !important;
  font-weight: 700 !important;
}
.flatpickr-current-month {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 38px !important;
  gap: 6px !important; /* Spaziatura perfetta */
}
.flatpickr-current-month .flatpickr-monthDropdown-months {
  order: 2 !important;
  margin: 0 !important;
}
.flatpickr-current-month .flatpickr-custom-year-select {
  order: 1 !important;
  margin: 0 !important;
}
.flatpickr-current-month .flatpickr-monthDropdown-months,
.flatpickr-current-month .flatpickr-custom-year-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  text-align: left !important;
  text-align-last: left !important;
  background-color: #ffffff !important; /* Sfondo bianco come il calendario */
  border: 1px solid #e2e8f0 !important; /* Bordo sottile ed elegante */
  border-radius: var(--rounded-default) !important; /* Angoli arrotondati */
  box-shadow: 0 2px 6px rgba(4, 62, 128, 0.05) !important; /* Morbida ombra */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='8' height='4' viewBox='0 0 8 4'><path d='M1 0.5l3 3 3-3' stroke='%23043e80' stroke-width='1.5' fill='none' stroke-linecap='round'/></svg>") !important;
  background-repeat: no-repeat !important;
  background-position: right 10px center !important; /* Freccetta a destra */
  background-size: 8px 4px !important;
  padding: 6px 28px 6px 12px !important; /* Padding confortevole */
  font-family: var(--font-family-title) !important; /* Montserrat */
  font-size: 0.95rem !important; /* Dimensione elegante */
  font-weight: 700 !important; /* Grassetto */
  color: var(--primary) !important; /* Blu come i titoli */
  cursor: pointer;
  display: inline-block !important;
  transition: all 0.2s ease;
}
.flatpickr-current-month .flatpickr-monthDropdown-months:hover,
.flatpickr-current-month .flatpickr-custom-year-select:hover {
  border-color: var(--primary) !important;
  box-shadow: 0 4px 10px rgba(4, 62, 128, 0.1) !important;
}
.flatpickr-current-month select option {
  background-color: #ffffff !important;
  color: var(--primary) !important;
  font-family: var(--font-family-title) !important;
  font-weight: 600 !important;
}

/* Month Navigation Arrows */
.flatpickr-months .flatpickr-prev-month,
.flatpickr-months .flatpickr-next-month {
  padding: 8px !important;
  border-radius: 50% !important;
  transition: all 0.2s ease !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}
.flatpickr-months .flatpickr-prev-month:hover,
.flatpickr-months .flatpickr-next-month:hover {
  background: var(--surface-container) !important;
}
.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
  fill: var(--secondary) !important;
}

/* Weekdays */
span.flatpickr-weekday {
  color: var(--on-surface-variant) !important;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
}

/* Calendar Days Container */
.flatpickr-days {
  margin-top: 4px !important;
}

/* Days elements */
.flatpickr-day {
  border-radius: 8px !important;
  font-weight: 500 !important;
  transition: all 0.2s ease !important;
  color: var(--on-surface) !important;
  border: 1px solid transparent !important;
  margin: 1px 0 !important;
}

/* Day hover */
.flatpickr-day:hover,
.flatpickr-day.prevMonthDay:hover,
.flatpickr-day.nextMonthDay:hover,
.flatpickr-day.today:hover {
  background: var(--surface-container) !important;
  border-color: var(--surface-container) !important;
  color: var(--primary) !important;
}

/* Selected Day styling */
.flatpickr-day.selected,
.flatpickr-day.selected:focus,
.flatpickr-day.selected:hover,
.flatpickr-day.prevMonthDay.selected,
.flatpickr-day.nextMonthDay.selected {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 10px rgba(4, 62, 128, 0.25) !important;
}

/* Today styling */
.flatpickr-day.today {
  border-color: var(--secondary) !important;
  color: var(--secondary) !important;
  background: transparent !important;
}
.flatpickr-day.today:hover {
  background: var(--surface-container) !important;
  border-color: var(--secondary) !important;
  color: var(--secondary) !important;
}

/* Make sure calendar indicators look beautiful */
.flatpickr-day.flatpickr-disabled,
.flatpickr-day.flatpickr-disabled:hover {
  color: var(--outline-variant) !important;
  background: transparent !important;
  border-color: transparent !important;
}

/* Ensure the Flatpickr input placeholder matches Montserrat - normal and other input styles */
.flatpickr-input::placeholder,
.flatpickr-input::-webkit-input-placeholder,
.flatpickr-input::-moz-placeholder,
.flatpickr-input:-ms-input-placeholder {
  font-family: var(--font-family-body) !important;
  font-weight: 400 !important;
  color: var(--outline) !important;
  opacity: 1 !important;
}

/* Custom Validation Error Styles */
.form-group.has-error input,
.form-group.has-error select {
  border-color: var(--error) !important;
  background-color: #fffbfa !important;
}

.form-group.has-error input:focus,
.form-group.has-error select:focus {
  box-shadow: 0 0 0 4px rgba(186, 26, 26, 0.1) !important;
}

.error-message {
  color: var(--error);
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  animation: fadeInError 0.25s ease-out forwards;
}

@keyframes fadeInError {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.signature-container.has-error {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 4px rgba(186, 26, 26, 0.1) !important;
}

.selection-zone.has-error {
  border-color: var(--error) !important;
  background-color: #fffbfa !important;
}

.checkbox-item.has-error,
.checkbox-group.has-error .checkbox-item {
  border-color: var(--error) !important;
  background-color: #fffbfa !important;
}

/* ============================================================
   Responsive: Mobile (viewport <= 480px)
   ============================================================ */
@media (max-width: 480px) {
  header {
    padding: var(--spacing-sm) var(--spacing-sm);
  }

  .logo-img {
    height: 38px;
    margin-left: -10px;
  }

  .header-titles {
    margin-left: 15px;
    min-width: 0;
  }

  .header-title {
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .global-header-title {
    font-size: 0.6rem;
    white-space: nowrap;
    letter-spacing: 0.2px;
  }

  main {
    margin: var(--spacing-lg) auto;
    padding: 0 var(--spacing-sm);
  }

  /* Stepper: etichette leggibili e ben distanziate */
  .stepper {
    padding: 0 2px;
  }

  .stepper-item {
    padding: 0 2px;
  }

  .step-circle {
    width: 26px;
    height: 26px;
    font-size: 0.75rem;
  }

  .step-line {
    top: 13px;
  }

  .step-label {
    font-size: 0.56rem;
    letter-spacing: 0;
    line-height: 1.25;
    margin-top: 6px;
    padding: 0 2px;
  }

  /* Card del form più compatta */
  .form-card {
    padding: var(--spacing-md);
  }

  /* CTA Indietro/Continua ben contenute nel riquadro bianco */
  .form-actions {
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
  }

  .btn-primary,
  .btn-secondary {
    padding: 12px 14px;
    font-size: 0.85rem;
    gap: var(--spacing-xs);
  }

  /* Corsi: le card devono rientrare leggibili nel riquadro "scelti" */
  .course-card {
    padding: 10px 12px;
    gap: var(--spacing-xs);
  }

  .course-name {
    font-size: 0.85rem;
  }

  .course-location {
    font-size: 0.72rem;
  }

  .rank-badge {
    font-size: 0.65rem;
    padding: 3px 8px;
  }

  .drag-handle svg {
    width: 16px;
    height: 16px;
  }

  /* Riepilogo più compatto e leggibile */
  .summary-card {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
  }

  .summary-header {
    font-size: 0.9rem;
  }

  .summary-row {
    font-size: 0.8rem;
  }
}