/* ==========================================================================
   FORMS.CSS - Form styles for Nova Scotia Permit website
   Multi-step forms, validation, radio cards, select styling.
   ========================================================================== */

/* ==========================================================================
   1. FORM CONTAINER
   ========================================================================== */

.form-section {
  background-color: var(--off-white);
}

.form-container {
  max-width: 680px;
  margin: 0 auto;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* ==========================================================================
   2. PROGRESS BAR
   ========================================================================== */

.form-progress {
  display: flex;
  padding: var(--space-lg) var(--space-xl);
  background-color: var(--off-white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.progress-step {
  flex: 1;
  text-align: center;
  position: relative;
}

.progress-step::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 50%;
  width: 100%;
  height: 2px;
  background-color: rgba(0, 0, 0, 0.1);
}

.progress-step:last-child::before {
  display: none;
}

.progress-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--white);
  border: 2px solid rgba(0, 0, 0, 0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.progress-step.active .progress-dot {
  background-color: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.progress-step.completed .progress-dot {
  background-color: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.progress-step.completed::before {
  background-color: var(--green);
}

.progress-label {
  display: block;
  font-size: 0.75rem;
  color: var(--gray);
  margin-top: var(--space-sm);
  font-weight: 500;
}

.progress-step.active .progress-label {
  color: var(--navy);
  font-weight: 600;
}

.progress-step.completed .progress-label {
  color: var(--green);
}

/* ==========================================================================
   2b. PROJECT CONTEXT BADGE (shown when type is pre-selected via URL)
   ========================================================================== */

.project-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--off-white);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin: 0 var(--space-xl) var(--space-lg);
}

.context-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 500;
  color: var(--navy);
}

.context-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--green);
  color: white;
  border-radius: 50%;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.context-change {
  background: none;
  border: none;
  color: var(--blue);
  font-size: 0.875rem;
  font-family: var(--font-main);
  cursor: pointer;
  text-decoration: underline;
  padding: var(--space-xs) var(--space-sm);
}

.context-change:hover {
  color: var(--navy);
}

/* ==========================================================================
   3. FORM STEPS
   ========================================================================== */

.form-body {
  padding: var(--space-xl);
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

.form-step-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.form-step-subtitle {
  color: var(--gray);
  margin-bottom: var(--space-xl);
}

/* ==========================================================================
   4. RADIO CARDS (Step 1: Project Type Selection)
   ========================================================================== */

.radio-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.radio-card {
  position: relative;
}

.radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-card-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background-color: var(--off-white);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
  min-height: 120px;
  justify-content: center;
}

.radio-card-label:hover {
  border-color: var(--navy-light);
  background-color: var(--white);
}

.radio-card input[type="radio"]:checked + .radio-card-label {
  border-color: var(--navy);
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  animation: cardSelect 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cardSelect {
  0% {
    transform: scale(1);
  }
  30% {
    transform: scale(1.06);
  }
  60% {
    transform: scale(0.98);
  }
  100% {
    transform: scale(1.03);
  }
}

.radio-card
  input[type="radio"]:checked
  + .radio-card-label
  .radio-card-icon
  svg {
  stroke: var(--gold);
  transition: stroke 0.3s ease;
}

.radio-card input[type="radio"]:focus-visible + .radio-card-label {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}

.radio-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radio-card-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--navy);
}

.radio-card-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
}

/* ==========================================================================
   5. FORM FIELDS (Step 2 & 3)
   ========================================================================== */

.form-row {
  margin-bottom: var(--space-lg);
}

.form-row-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.form-label .optional {
  font-weight: 400;
  color: var(--gray);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px var(--space-md);
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--charcoal);
  background-color: var(--white);
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--red);
}

.form-error {
  display: none;
  color: var(--red);
  font-size: 0.8125rem;
  margin-top: var(--space-xs);
}

.form-input.error + .form-error,
.form-select.error + .form-error,
.form-textarea.error + .form-error {
  display: block;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* ==========================================================================
   6. CONTACT METHOD RADIO GROUP (Step 3)
   ========================================================================== */

.contact-method-group {
  display: flex;
  gap: var(--space-md);
}

.contact-method {
  position: relative;
  flex: 1;
}

.contact-method input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.contact-method label {
  display: block;
  padding: var(--space-md);
  text-align: center;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9375rem;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.contact-method input[type="radio"]:checked + label {
  border-color: var(--navy);
  background-color: rgba(30, 58, 95, 0.05);
  color: var(--navy);
  font-weight: 600;
}

.contact-method input[type="radio"]:focus-visible + label {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}

/* ==========================================================================
   7. FORM NAVIGATION
   ========================================================================== */

.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  margin-top: var(--space-xl);
}

.form-nav-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-main);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm) 0;
  transition: color 0.2s ease;
}

.form-nav-back:hover {
  color: var(--navy);
}

.form-nav-back svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.form-nav-back.hidden {
  visibility: hidden;
}

.form-nav-next,
.form-nav-submit {
  margin-left: auto;
}

/* ==========================================================================
   8. FORM TRUST SIGNALS
   ========================================================================== */

.form-trust {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-xl);
  background-color: var(--off-white);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.form-trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--gray);
}

.form-trust-item svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  stroke: var(--green);
}

/* ==========================================================================
   8B. FORM ERROR BANNER
   ========================================================================== */

.form-error-banner {
  background-color: #fff5f5;
  border: 1px solid #feb2b2;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin: 0 var(--space-xl) var(--space-lg);
  color: #c53030;
}

.form-error-banner p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.form-error-banner p + p {
  margin-top: var(--space-xs);
}

.form-error-banner a {
  color: #c53030;
  font-weight: 600;
  text-decoration: underline;
}

/* ==========================================================================
   9. FORM SUCCESS STATE
   ========================================================================== */

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.form-success.active {
  display: block;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  background-color: var(--green-light);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.form-success-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--green);
}

.form-success h2 {
  margin-bottom: var(--space-md);
}

.form-success p {
  color: var(--gray);
  font-size: 1.0625rem;
  max-width: 480px;
  margin: 0 auto var(--space-lg);
}

.form-success .next-steps {
  text-align: left;
  max-width: 400px;
  margin: 0 auto;
}

.form-success .next-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.form-success .next-step:last-child {
  border-bottom: none;
}

.form-success .next-step-number {
  width: 28px;
  height: 28px;
  background-color: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  flex-shrink: 0;
}

.form-success .next-step-text {
  font-size: 0.9375rem;
  color: var(--charcoal);
}

/* ==========================================================================
   10. FORM LOADING STATE
   ========================================================================== */

.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading .btn-text {
  visibility: hidden;
}

.btn.loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ==========================================================================
   11. RESPONSIVE
   ========================================================================== */

/* --- Mobile (up to 639px) --- */
@media (max-width: 639px) {
  .form-trust-item {
    font-size: 0.875rem;
  }

  /* Phase 2.5: Progress bar labels */
  .progress-label {
    font-size: 0.8125rem;
  }

  /* Phase 2.4: Form inputs minimum touch target height */
  .form-input,
  .form-select,
  .form-textarea {
    min-height: 44px;
    font-size: 16px; /* Prevents iOS zoom */
  }

  /* Phase 6.2: Textarea height reduction */
  .form-textarea {
    min-height: 80px;
  }

  /* Phase 6.1: Radio cards - ensure text wraps properly */
  .radio-card-label {
    min-height: 100px;
    padding: var(--space-md);
  }

  .radio-card-text {
    font-size: 0.875rem;
    word-wrap: break-word;
  }

  /* Phase 6.4: Checklist option buttons minimum height */
  .contact-method label {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* --- Narrow phones (up to 479px) --- */
@media (max-width: 479px) {
  .radio-cards {
    grid-template-columns: 1fr;
  }

  .form-body {
    padding: var(--space-lg);
  }

  .form-progress {
    padding: var(--space-md) var(--space-lg);
  }

  .form-step-title {
    font-size: 1.25rem;
  }

  .project-context {
    margin: 0 var(--space-lg) var(--space-md);
    padding: var(--space-sm) var(--space-md);
  }

  /* Phase 6.3: Contact method stacking on very narrow phones */
  .contact-method-group {
    flex-direction: column;
  }
}

@media (min-width: 640px) {
  .form-row-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .radio-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .form-trust {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-xl);
  }
}

@media (min-width: 768px) {
  .radio-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}