/* Reset & CSS variables */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-light: #f1f5f9;
  --bg-dark-slate: #0f172a;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;

  --primary-red: #dc2626;
  /* Honda Racing Red */
  --primary-red-hover: #b91c1c;
  --primary-red-light: rgba(220, 38, 38, 0.08);
  --red-glow: rgba(220, 38, 38, 0.2);

  --black-text: #0f172a;
  --gray-text: #475569;
  --gray-light: #94a3b8;
  --gray-bg: #f8fafc;
  --gray-border: #cbd5e1;

  --rating-1: #ef4444;
  --rating-2: #fb923c;
  --rating-3: #f59e0b;
  --rating-4: #10b981;
  --rating-5: #06b6d4;
}

body {
  font-family: 'Kanit', sans-serif;
  background-image: url('img/พื้นหลัง.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--black-text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 30px 20px;
}

/* Main Container - Elegant White Card with subtle gray shadow */
.container {
  position: relative;
  width: 100%;
  max-width: 780px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08), 0 5px 15px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header styling - Bold Premium Dark Slate / Black header card */
.header-box {
  background: linear-gradient(135deg, #838383ff 0%, var(--bg-dark-slate) 100%);
  padding: 40px 30px;
  text-align: center;
  color: #ffffff;
  position: relative;
  border-bottom: 4px solid var(--primary-red);
}

.header-box::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--primary-red);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  background: #ffffff;
  border-radius: 50%;
  margin-bottom: 18px;
  box-shadow: 0 0 20px var(--red-glow), 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 3px solid var(--primary-red);
  animation: logoPulse 2.5s infinite ease-in-out;
  overflow: hidden;
}

@keyframes logoPulse {

  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.2);
  }

  50% {
    transform: scale(1.04);
    box-shadow: 0 0 25px rgba(220, 38, 38, 0.4);
  }
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header-box h1 {
  font-size: 25px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.header-box p {
  font-size: 14px;
  color: var(--gray-light);
  line-height: 1.6;
  font-weight: 300;
  max-width: 580px;
  margin: 0 auto;
}

.header-box p span {
  color: #ffffff;
  font-weight: 600;
  border-bottom: 1px dashed var(--primary-red);
}

/* Main form body area */
.form-body {
  padding: 40px 30px;
}

/* Legend Bar (1-5 Rating Scale Preview) */
.legend-card {
  background: var(--gray-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 15px 20px;
  margin-bottom: 35px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.legend-title {
  font-size: 13px;
  color: var(--gray-text);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-title i {
  color: var(--primary-red);
}

.legend-items {
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 520px;
  gap: 5px;
}

.legend-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.legend-emoji {
  font-size: 22px;
  margin-bottom: 4px;
  transition: transform 0.2s;
}

.legend-item:hover .legend-emoji {
  transform: scale(1.2);
}

.legend-text {
  font-size: 11px;
  color: var(--gray-text);
  text-align: center;
  font-weight: 400;
}

.legend-item.val1 .legend-text,
.legend-item.val1 .legend-emoji {
  color: var(--rating-1);
}

.legend-item.val2 .legend-text,
.legend-item.val2 .legend-emoji {
  color: var(--rating-2);
}

.legend-item.val3 .legend-text,
.legend-item.val3 .legend-emoji {
  color: var(--rating-3);
}

.legend-item.val4 .legend-text,
.legend-item.val4 .legend-emoji {
  color: var(--rating-4);
}

.legend-item.val5 .legend-text,
.legend-item.val5 .legend-emoji {
  color: var(--rating-5);
}

/* Customer Info Section */
.section-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--bg-dark-slate);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-left: 4px solid var(--primary-red);
  padding-left: 10px;
}

.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

@media (max-width: 600px) {
  .input-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

.input-group {
  position: relative;
}

.input-group input {
  width: 100%;
  padding: 16px 20px 16px 45px;
  background: var(--card-bg);
  border: 1.5px solid var(--gray-border);
  border-radius: 10px;
  outline: none;
  color: var(--black-text);
  font-family: 'Kanit', sans-serif;
  font-size: 15px;
  transition: all 0.3s;
}

.input-group input:focus {
  border-color: var(--primary-red);
  background: #ffffff;
  box-shadow: 0 0 10px rgba(220, 38, 38, 0.1);
}

.input-group i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-light);
  font-size: 16px;
  transition: color 0.3s;
}

.input-group input:focus+i {
  color: var(--primary-red);
}

/* Floating labels styled modernly */
.input-group label {
  position: absolute;
  left: 45px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-text);
  pointer-events: none;
  transition: all 0.3s ease;
  font-size: 14px;
  font-weight: 300;
}

.input-group input:focus~label,
.input-group input:not(:placeholder-shown)~label {
  top: -9px;
  left: 12px;
  font-size: 12px;
  padding: 1px 8px;
  background: #ffffff;
  border-radius: 4px;
  color: var(--primary-red);
  font-weight: 500;
  border: 1px solid var(--gray-border);
}

/* Questions / Survey Items */
.question-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 40px;
}

.question-card {
  background: var(--gray-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 22px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.question-card:hover {
  transform: translateY(-1px);
  border-color: var(--gray-border);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.03);
}

.question-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}

.question-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--primary-red-light);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: var(--primary-red);
  font-weight: 600;
  border-radius: 6px;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 2px;
}

.question-text {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--black-text);
}

/* Interactive Rating Tiles */
.rating-container {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.rating-tile {
  position: relative;
  flex: 1;
  cursor: pointer;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid var(--gray-border);
  padding: 12px 6px;
  text-align: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

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

.tile-emoji {
  font-size: 26px;
  display: block;
  margin-bottom: 6px;
  color: var(--gray-light);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tile-emoji .solid-emoji {
  display: none;
}

.tile-emoji .outline-emoji {
  display: inline-block;
}

.tile-score {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-text);
  display: block;
  transition: color 0.2s;
}

.tile-label {
  font-size: 9px;
  color: var(--gray-light);
  display: block;
  margin-top: 2px;
  font-weight: 300;
  transition: color 0.2s;
}

/* Hover States for Tiles */
.rating-tile:hover {
  background: var(--gray-bg);
  transform: translateY(-2px);
}

.rating-tile:hover .tile-emoji {
  transform: scale(1.15);
}

.rating-tile:hover .tile-emoji .solid-emoji {
  display: inline-block;
}

.rating-tile:hover .tile-emoji .outline-emoji {
  display: none;
}

/* Selected Tile States */
.rating-tile.selected {
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.rating-tile.selected .tile-emoji {
  transform: scale(1.2);
}

.rating-tile.selected .tile-emoji .solid-emoji {
  display: inline-block;
}

.rating-tile.selected .tile-emoji .outline-emoji {
  display: none;
}

/* Colors and border styling for each rating level */
.rating-tile:hover.val1,
.rating-tile.selected.val1 {
  border-color: var(--rating-1);
  background: rgba(239, 68, 68, 0.05);
}

.rating-tile:hover.val2,
.rating-tile.selected.val2 {
  border-color: var(--rating-2);
  background: rgba(251, 146, 60, 0.05);
}

.rating-tile:hover.val3,
.rating-tile.selected.val3 {
  border-color: var(--rating-3);
  background: rgba(245, 158, 11, 0.05);
}

.rating-tile:hover.val4,
.rating-tile.selected.val4 {
  border-color: var(--rating-4);
  background: rgba(16, 185, 129, 0.05);
}

.rating-tile:hover.val5,
.rating-tile.selected.val5 {
  border-color: var(--rating-5);
  background: rgba(6, 182, 212, 0.05);
}

.rating-tile:hover.val1 .tile-emoji,
.rating-tile.selected.val1 .tile-emoji,
.rating-tile:hover.val1 .tile-score,
.rating-tile.selected.val1 .tile-score,
.rating-tile:hover.val1 .tile-label,
.rating-tile.selected.val1 .tile-label {
  color: var(--rating-1);
}

.rating-tile:hover.val2 .tile-emoji,
.rating-tile.selected.val2 .tile-emoji,
.rating-tile:hover.val2 .tile-score,
.rating-tile.selected.val2 .tile-score,
.rating-tile:hover.val2 .tile-label,
.rating-tile.selected.val2 .tile-label {
  color: var(--rating-2);
}

.rating-tile:hover.val3 .tile-emoji,
.rating-tile.selected.val3 .tile-emoji,
.rating-tile:hover.val3 .tile-score,
.rating-tile.selected.val3 .tile-score,
.rating-tile:hover.val3 .tile-label,
.rating-tile.selected.val3 .tile-label {
  color: var(--rating-3);
}

.rating-tile:hover.val4 .tile-emoji,
.rating-tile.selected.val4 .tile-emoji,
.rating-tile:hover.val4 .tile-score,
.rating-tile.selected.val4 .tile-score,
.rating-tile:hover.val4 .tile-label,
.rating-tile.selected.val4 .tile-label {
  color: var(--rating-4);
}

.rating-tile:hover.val5 .tile-emoji,
.rating-tile.selected.val5 .tile-emoji,
.rating-tile:hover.val5 .tile-score,
.rating-tile.selected.val5 .tile-score,
.rating-tile:hover.val5 .tile-label,
.rating-tile.selected.val5 .tile-label {
  color: var(--rating-5);
}

/* Special Promo Card - Grey back, Red dashed borders */
.promo-card {
  background: var(--gray-bg);
  border: 1.5px dashed var(--primary-red);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
}

.promo-icon {
  font-size: 32px;
  color: var(--primary-red);
  animation: bounce 2s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.promo-content {
  flex-grow: 1;
}

.promo-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--black-text);
  margin-bottom: 4px;
}

.promo-title span {
  color: var(--primary-red);
}

.promo-desc {
  font-size: 12px;
  color: var(--gray-text);
  line-height: 1.5;
}

/* Suggestion / Comment Box */
.suggestion-section {
  margin-bottom: 30px;
}

.suggestion-group {
  position: relative;
}

.suggestion-textarea {
  width: 100%;
  padding: 16px 18px;
  background: var(--card-bg);
  border: 1.5px solid var(--gray-border);
  border-radius: 10px;
  outline: none;
  color: var(--black-text);
  font-family: 'Kanit', sans-serif;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  resize: vertical;
  min-height: 110px;
  transition: all 0.3s;
}

.suggestion-textarea:focus {
  border-color: var(--primary-red);
  background: #ffffff;
  box-shadow: 0 0 10px rgba(220, 38, 38, 0.1);
}

.suggestion-textarea::placeholder {
  color: var(--gray-light);
  font-size: 13px;
}

.suggestion-counter {
  text-align: right;
  font-size: 11px;
  color: var(--gray-light);
  margin-top: 6px;
  transition: color 0.2s;
}

.suggestion-counter.near-limit {
  color: var(--primary-red);
  font-weight: 500;
}

/* Submit Button - Solid Dark Slate to Honda Red hover */
.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--bg-dark-slate);
  border: none;
  border-radius: 10px;
  color: #ffffff;
  font-family: 'Kanit', sans-serif;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  background: var(--primary-red);
  box-shadow: 0 8px 20px rgba(220, 38, 38, 0.35);
}

.btn-submit:active {
  transform: translateY(1px);
}

.btn-submit:disabled {
  background: var(--gray-light);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.7;
}

/* Footer appreciation */
.footer-thanks {
  text-align: center;
  margin-top: 25px;
  font-size: 12px;
  color: var(--gray-text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.footer-thanks i {
  color: var(--primary-red);
  animation: heartBeat 1.5s infinite;
}

@keyframes heartBeat {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.15);
  }
}

/* Success Overlay Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  width: 90%;
  max-width: 440px;
  padding: 35px 25px;
  text-align: center;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.15);
  transform: scale(0.9) translateY(15px);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
}

.success-icon-wrap {
  width: 72px;
  height: 72px;
  background: var(--primary-red-light);
  border: 2px solid var(--primary-red);
  color: var(--primary-red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 18px;
}

.modal-card h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--bg-dark-slate);
}

.modal-card p {
  font-size: 13px;
  color: var(--gray-text);
  line-height: 1.6;
  margin-bottom: 22px;
}

.score-summary {
  background: var(--gray-bg);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 22px;
  border: 1px solid var(--card-border);
}

.score-summary-title {
  font-size: 11px;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.score-val {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-red);
}

.score-stars {
  color: var(--primary-red);
  font-size: 13px;
  margin-top: 3px;
  display: flex;
  justify-content: center;
  gap: 4px;
}

.btn-modal-close {
  padding: 10px 26px;
  background: var(--bg-dark-slate);
  border: none;
  border-radius: 8px;
  color: #ffffff;
  font-family: 'Kanit', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

/* Small animations & utilities */
.loading-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s ease-in-out infinite;
}

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