/* ============================================
   UAA Ambassador Form — Styles
   Colors from UAA logo: teal + grey
   ============================================ */

:root {
  --primary: #5BBFB5;
  --primary-dark: #49a99f;
  --primary-light: #e8f6f4;
  --text: #333333;
  --text-light: #666666;
  --bg: #fafafa;
  --white: #ffffff;
  --border: #e2e8f0;
  --error: #e74c3c;
  --success: #27ae60;
  --grey: #9e9e9e;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HEADER ---- */
.header {
  background: var(--white);
  padding: 16px 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.95);
}

.header img {
  height: 48px;
}

/* ---- HERO ---- */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 520px;
  margin: 0 auto;
}

/* ---- HOW IT WORKS ---- */
.how-it-works {
  padding: 60px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.how-it-works h2 {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 40px;
  font-weight: 700;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.step {
  text-align: center;
  padding: 32px 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.step:hover {
  transform: translateY(-4px);
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 700;
}

.step p {
  font-size: 0.95rem;
  color: var(--text-light);
}

/* ---- SECTION TITLES ---- */
.section-title {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 32px;
  font-size: 1rem;
}

/* ---- LEOTARD SELECTION ---- */
.leotard-section {
  padding: 60px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  border: 2px solid var(--border);
  background: var(--white);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-light);
  font-family: inherit;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

.leotard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.leo-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.25s;
  border: 3px solid transparent;
  box-shadow: var(--shadow);
  position: relative;
}

.leo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.leo-card.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary), var(--shadow-lg);
}

.leo-card.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.leo-card .check-overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  z-index: 2;
}

.leo-card.selected .check-overlay {
  display: flex;
}

.leo-card .leo-images {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.leo-card .leo-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.leo-card .leo-images .back-img {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.leo-card:hover .leo-images .back-img {
  opacity: 1;
}

/* On touch devices, don't use hover for back image */
@media (hover: none) {
  .leo-card:hover .leo-images .back-img {
    opacity: 0;
  }
}

.leo-card .leo-name {
  padding: 12px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  background: var(--white);
}

/* ---- SELECTIONS SUMMARY ---- */
.selections-section {
  max-width: 700px;
  margin: 40px auto 0;
  padding: 0 24px;
}

.selections-box {
  background: var(--primary-light);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  padding: 24px;
  display: none;
}

.selections-box.visible {
  display: block;
}

.selections-box h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--primary-dark);
}

.selection-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(91, 191, 181, 0.2);
}

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

.selection-item img {
  width: 64px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
}

.selection-item .sel-info {
  flex: 1;
}

.selection-item .sel-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.selection-item select {
  padding: 8px 12px;
  border: 2px solid var(--primary);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--white);
  cursor: pointer;
  font-weight: 600;
}

.selection-item .remove-btn {
  background: none;
  border: none;
  color: var(--error);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.2s;
  font-family: inherit;
}

.selection-item .remove-btn:hover {
  background: rgba(231, 76, 60, 0.1);
}

/* ---- SIZING CHART ---- */
.sizing-section {
  padding: 60px 24px;
  max-width: 800px;
  margin: 0 auto;
}

.size-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.size-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 0.95rem;
}

.size-table thead {
  background: var(--primary);
  color: var(--white);
}

.size-table th {
  padding: 14px 20px;
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.size-table td {
  padding: 14px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.size-table tbody tr:hover {
  background: var(--primary-light);
}

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

.size-tip {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-light);
  font-style: italic;
}

/* ---- FORM ---- */
.form-section {
  padding: 60px 24px;
  max-width: 600px;
  margin: 0 auto;
}

.form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group label .required {
  color: var(--error);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(91, 191, 181, 0.15);
}

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

.form-group .input-prefix {
  position: relative;
}

.form-group .input-prefix span {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--grey);
  font-weight: 600;
}

.form-group .input-prefix input {
  padding-left: 32px;
}

/* ---- TERMS ---- */
.terms-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.terms-toggle {
  background: none;
  border: none;
  color: var(--primary-dark);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 600;
}

.terms-toggle:hover {
  color: var(--primary);
}

.terms-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 16px;
}

.terms-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}

.terms-checkbox label {
  font-size: 0.9rem;
  color: var(--text-light);
  cursor: pointer;
  line-height: 1.5;
}

/* ---- SUBMIT BUTTON ---- */
.submit-btn {
  width: 100%;
  padding: 16px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 24px;
  font-family: inherit;
  letter-spacing: 0.3px;
}

.submit-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(91, 191, 181, 0.4);
}

.submit-btn:disabled {
  background: var(--grey);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

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

.submit-btn.loading::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ---- SUCCESS / ERROR MESSAGES ---- */
.form-message {
  padding: 16px 20px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 0.95rem;
  font-weight: 600;
  display: none;
  text-align: center;
}

.form-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  display: block;
}

.form-message.error-msg {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  display: block;
}

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.modal h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--text);
}

.modal h3 {
  font-size: 1rem;
  margin: 20px 0 8px;
  color: var(--text);
}

.modal p, .modal li {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 8px;
}

.modal ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.modal-close {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 24px;
  font-family: inherit;
}

.modal-close:hover {
  background: var(--primary-dark);
}

/* ---- CONFIRMATION PAGE ---- */
.confirmation-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
}

.confirmation-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px 40px;
  max-width: 540px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.confirmation-check {
  width: 72px;
  height: 72px;
  background: var(--success);
  color: white;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 24px;
}

.confirmation-card h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.confirmation-lead {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 32px;
}

.confirmation-steps {
  background: var(--primary-light);
  border-radius: 10px;
  padding: 24px 28px;
  text-align: left;
  margin-bottom: 28px;
}

.confirmation-steps h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary-dark);
}

.confirmation-steps ol {
  padding-left: 20px;
}

.confirmation-steps li {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
}

.confirmation-steps li:last-child {
  margin-bottom: 0;
}

.confirmation-follow {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.ig-btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.2s;
}

.ig-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(91, 191, 181, 0.4);
}

.back-link {
  display: block;
  margin-top: 20px;
  color: var(--text-light);
  font-size: 0.9rem;
  text-decoration: none;
}

.back-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

@media (max-width: 480px) {
  .confirmation-card { padding: 32px 20px; }
  .confirmation-card h1 { font-size: 1.5rem; }
  .confirmation-check { width: 60px; height: 60px; font-size: 1.6rem; }
  .confirmation-steps { padding: 18px 20px; }
}

/* ---- FOOTER ---- */
.footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 0.85rem;
}

.footer a {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 600;
}

.footer a:hover {
  text-decoration: underline;
}

/* ---- PERFORMANCE ---- */
.leo-card img {
  content-visibility: auto;
  contain-intrinsic-size: 400px 533px;
}

/* ---- RESPONSIVE — TABLET ---- */
@media (max-width: 768px) {
  .hero { padding: 50px 20px 36px; }
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 1rem; }

  .how-it-works { padding: 40px 20px; }
  .how-it-works h2 { font-size: 1.3rem; margin-bottom: 28px; }
  .steps { gap: 20px; }
  .step { padding: 24px 18px; }

  .leotard-section { padding: 40px 16px; }
  .leotard-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .leo-card .leo-name { font-size: 0.8rem; padding: 10px 8px; }

  .selections-section { padding: 0 16px; }
  .selections-box { padding: 18px; }
  .selection-item { flex-wrap: wrap; gap: 12px; }
  .selection-item img { width: 50px; height: 64px; }

  .sizing-section { padding: 40px 16px; }
  .size-table th, .size-table td { padding: 10px 12px; font-size: 0.85rem; }

  .form-section { padding: 40px 16px; }
  .form-card { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }

  .modal { padding: 24px 20px; max-height: 85vh; }

  .section-title { font-size: 1.3rem; }
  .section-subtitle { font-size: 0.9rem; margin-bottom: 24px; }
}

/* ---- RESPONSIVE — PHONE ---- */
@media (max-width: 480px) {
  .header { padding: 12px 16px; }
  .header img { height: 36px; }

  .hero { padding: 40px 16px 28px; }
  .hero h1 { font-size: 1.4rem; line-height: 1.3; }
  .hero p { font-size: 0.9rem; }

  .steps { grid-template-columns: 1fr; gap: 16px; }
  .step { padding: 20px 16px; }
  .step-number { width: 40px; height: 40px; font-size: 1rem; }
  .step h3 { font-size: 1rem; }
  .step p { font-size: 0.85rem; }

  .filters { gap: 6px; padding: 0 4px; }
  .filter-btn { padding: 8px 12px; font-size: 0.75rem; }

  .leotard-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .leo-card { border-radius: 8px; border-width: 2px; }
  .leo-card .check-overlay { width: 26px; height: 26px; font-size: 13px; top: 8px; right: 8px; }
  .leo-card .leo-name { font-size: 0.7rem; padding: 8px 6px; }

  .selections-box { padding: 14px; }
  .selections-box h3 { font-size: 0.95rem; margin-bottom: 12px; }
  .selection-item { gap: 10px; padding: 10px 0; }
  .selection-item .sel-name { font-size: 0.85rem; }
  .selection-item select { padding: 6px 10px; font-size: 0.85rem; }
  .selection-item .remove-btn { font-size: 1rem; }

  .size-table th, .size-table td { padding: 8px 8px; font-size: 0.8rem; }
  .size-tip { font-size: 0.75rem; }

  .form-card { padding: 20px 16px; }
  .form-group label { font-size: 0.85rem; }
  .form-group input, .form-group select { padding: 10px 14px; font-size: 0.9rem; }

  .terms-checkbox label { font-size: 0.8rem; }

  .submit-btn { padding: 14px; font-size: 1rem; }

  .modal { padding: 20px 16px; border-radius: 10px; }
  .modal h2 { font-size: 1.2rem; }
  .modal h3 { font-size: 0.9rem; }
  .modal p, .modal li { font-size: 0.8rem; }

  .footer { padding: 28px 16px; font-size: 0.8rem; }
}

/* ---- RESPONSIVE — VERY SMALL PHONE ---- */
@media (max-width: 360px) {
  .hero h1 { font-size: 1.2rem; }
  .leotard-grid { gap: 6px; }
  .leo-card .leo-name { font-size: 0.65rem; }
  .filter-btn { padding: 6px 10px; font-size: 0.7rem; }
  .form-card { padding: 16px 12px; }
}