/*
 * Rubber Armstrong - Join Camp Registration Form Styles
 * Consistent with SOI form, WCAG 2.1 AA compliant
 */

@import url('design-tokens.css');

/* ====================================
   Layout & Container
   ==================================== */

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--container-md);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

/* ====================================
   Header
   ==================================== */

.site-header {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-bg-elevated);
  padding: var(--space-5) 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  gap: var(--space-3);
}

.site-eyebrow {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0;
}

.site-logo {
  display: block;
  max-width: 60px;
  height: auto;
}

.site-logo img {
  width: 100%;
  height: auto;
  max-height: 50px;
  object-fit: contain;
}

.site-brand-name {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-tight);
  margin: 0;
}

.site-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ====================================
   Main Content
   ==================================== */

main {
  flex: 1;
  padding: var(--space-8) 0;
}

@media (min-width: 768px) {
  main {
    padding: var(--space-12) 0;
  }
}

/* ====================================
   Form Intro
   ==================================== */

.form-intro {
  text-align: center;
  margin-bottom: var(--space-10);
}

.form-intro h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

.form-intro p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-4);
}

.form-notice {
  background-color: var(--color-bg-elevated);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
  margin: var(--space-6) auto var(--space-8);
  max-width: 600px;
}

.form-notice p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ====================================
   Form Sections
   ==================================== */

.form-section {
  margin-bottom: var(--space-10);
}

.form-section-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent);
}

.form-section-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-relaxed);
}

/* ====================================
   Form Fields
   ==================================== */

.form-group {
  margin-bottom: var(--space-6);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-row .form-group {
  margin-bottom: 0;
}

label {
  display: block;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
}

label .required {
  color: var(--color-accent);
  margin-left: var(--space-1);
}

label .optional {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-xs);
  margin-left: var(--space-2);
}

.field-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  line-height: var(--line-height-normal);
  display: block;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  border: 2px solid var(--color-bg-elevated);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="date"] {
  color-scheme: dark;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="number"]:hover,
input[type="date"]:hover,
textarea:hover,
select:hover {
  border-color: var(--color-accent);
}

textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--line-height-relaxed);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23a0a0a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-8);
}

/* ====================================
   Radio & Checkbox
   ==================================== */

.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.radio-option:hover,
.checkbox-option:hover {
  background-color: var(--color-bg-elevated);
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
  margin-top: 2px;
  width: 20px;
  height: 20px;
  min-width: 20px;
  cursor: pointer;
  accent-color: var(--color-accent);
}

.radio-option label,
.checkbox-option label {
  margin: 0;
  cursor: pointer;
  font-weight: var(--font-weight-normal);
  flex: 1;
}

.checkbox-group-label {
  display: block;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  padding: var(--space-4);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-bg-elevated);
}

@media (min-width: 640px) {
  .checkbox-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.checkbox-grid .checkbox-option {
  padding: var(--space-2);
  margin: 0;
  background-color: transparent;
}

.checkbox-grid .checkbox-option:hover {
  background-color: var(--color-bg-elevated);
}

.checkbox-grid .checkbox-option label {
  font-size: var(--font-size-sm);
}

/* ====================================
   Accommodation Cards
   ==================================== */

.accommodation-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.accommodation-card {
  background-color: var(--color-bg-secondary);
  border: 2px solid var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.accommodation-card:hover {
  border-color: rgba(212, 165, 116, 0.3);
}

.accommodation-card.selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.accommodation-card .radio-option {
  padding: 0;
}

.accommodation-card .radio-option:hover {
  background-color: transparent;
}

.accommodation-card .radio-option label strong {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.price-tag {
  display: inline-block;
  background-color: var(--color-warning-bg);
  color: var(--color-accent);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-left: var(--space-2);
  vertical-align: middle;
}

.accommodation-suboptions {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-bg-elevated);
}

.accommodation-suboptions .form-group:last-child {
  margin-bottom: 0;
}

/* ====================================
   Campmate Fields (dynamic)
   ==================================== */

.campmate-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.campmate-fields .form-group {
  margin-bottom: 0;
}

/* ====================================
   Contribution Summary
   ==================================== */

.contribution-split-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  margin: 0 0 var(--space-4);
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.contribution-summary {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-accent);
  overflow: hidden;
}

.contribution-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid rgba(212, 165, 116, 0.15);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.contribution-line:last-of-type {
  border-bottom: none;
}

.contribution-amount {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.contribution-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5);
  background-color: rgba(212, 165, 116, 0.08);
  border-top: 2px solid var(--color-accent);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.contribution-total .contribution-amount {
  font-size: var(--font-size-xl);
  color: var(--color-accent);
}

/* ====================================
   Conditional Fields
   ==================================== */

.hidden {
  display: none !important;
}

.conditional-fields {
  animation: slideDown 0.3s ease-out;
}

/* ====================================
   Validation & Error States
   ==================================== */

.field-error {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  margin-top: var(--space-2);
  display: none;
}

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

.form-group.has-error .field-error {
  display: block;
}

/* ====================================
   Messages
   ==================================== */

.message {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  display: none;
  align-items: start;
  gap: var(--space-3);
  animation: slideDown 0.3s ease-out;
}

.message.show {
  display: flex;
}

.message-success {
  background-color: var(--color-success-bg);
  border-left: 4px solid var(--color-success);
  color: var(--color-success);
}

.message-error {
  background-color: var(--color-error-bg);
  border-left: 4px solid var(--color-error);
  color: var(--color-error);
}

.message-warning {
  background-color: var(--color-warning-bg);
  border-left: 4px solid var(--color-warning);
  color: var(--color-warning);
}

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

/* ====================================
   Submit Button
   ==================================== */

.form-actions {
  margin-top: var(--space-10);
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-bg-primary);
  background-color: var(--color-accent);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: var(--touch-target-min);
  width: 100%;
  max-width: 400px;
}

.btn:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  background-color: var(--color-accent-active);
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn:disabled:hover {
  background-color: var(--color-accent);
  box-shadow: none;
}

.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid var(--color-bg-primary);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.6s linear infinite;
}

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

/* ====================================
   Footer
   ==================================== */

.site-footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-bg-elevated);
  padding: var(--space-6) 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
}

.footer-content a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-content a:hover {
  color: var(--color-accent-hover);
}

@media (min-width: 640px) {
  .footer-content {
    flex-direction: row;
    justify-content: center;
  }
}

/* ====================================
   Accessibility
   ==================================== */

@media (prefers-contrast: high) {
  :root {
    --color-accent: #f0c69a;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  input[type="date"],
  textarea,
  select {
    border-width: 3px;
  }
}

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

@media print {
  .site-header,
  .site-footer,
  .btn {
    display: none;
  }
  
  body {
    background-color: white;
    color: black;
  }
  
  input,
  textarea,
  select {
    border: 1px solid black;
  }
}

/* ====================================
   Responsive
   ==================================== */

@media (max-width: 640px) {
  .form-intro h2 {
    font-size: var(--font-size-xl);
  }
  
  .form-section-title {
    font-size: var(--font-size-lg);
  }

  .contribution-line,
  .contribution-total {
    padding: var(--space-3) var(--space-4);
  }
}