/* 互動元件：Plan Finder、方案比較表、WebChat 面板。 */
.finder {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.finder-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--slate-600);
  font-size: 0.875rem;
  font-weight: 600;
}

.finder-progress .bar {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--slate-100);
  overflow: hidden;
}

.finder-progress .bar span {
  display: block;
  height: 100%;
  background: var(--blue-700);
  transition: width 0.2s;
}

.finder legend {
  margin-bottom: 20px;
  padding: 0;
  color: var(--blue-950);
  font-size: 1.375rem;
  font-weight: 700;
}

.finder fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}

.option {
  position: relative;
}

.option input {
  position: absolute;
  opacity: 0;
}

.option label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  height: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--blue-950);
  font-weight: 600;
  cursor: pointer;
}

.option label::before {
  content: '';
  flex: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--slate-300);
  border-radius: 50%;
  background: var(--white);
}

.option input:checked + label {
  border-color: var(--blue-700);
  background: var(--blue-50);
}

.option input:checked + label::before {
  border: 6px solid var(--blue-700);
}

.option input:focus-visible + label {
  box-shadow: var(--focus-ring);
}

.finder-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
}

.finder-aside {
  margin-top: 16px;
  font-size: 0.9375rem;
}

.resume-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--blue-50);
  font-size: 0.9375rem;
}

.result-card {
  padding: 28px;
  border: 2px solid var(--blue-700);
  border-radius: var(--radius-lg);
  background: var(--white);
}

.result-card .price {
  margin: 8px 0 4px;
  color: var(--blue-700);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
}

.result-card .price small {
  color: var(--slate-600);
  font-size: 1rem;
  font-weight: 600;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 20px;
  color: var(--slate-600);
}

.result-card h4 {
  margin-top: 8px;
  font-size: 1rem;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* 全部方案比較 */
.plans-wrap {
  overflow-x: auto;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  background: var(--white);
}

.plans-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  text-align: center;
}

.plans-table th,
.plans-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--slate-100);
}

.plans-table thead th {
  background: var(--slate-50);
  color: var(--blue-950);
  font-size: 1.0625rem;
}

.plans-table tbody th {
  color: var(--slate-600);
  font-weight: 600;
  text-align: left;
}

.plans-table .is-recommended {
  background: var(--blue-50);
}

.plans-table .tag {
  display: block;
  margin-top: 4px;
  color: var(--blue-700);
  font-size: 0.75rem;
}

.plans-table .price-cell strong {
  color: var(--blue-950);
  font-size: 1.125rem;
}

.plans-cards {
  display: none;
}

.points-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.points-grid .card strong {
  color: var(--blue-700);
  font-size: 1.5rem;
}

/* WebChat 面板 */
.chat-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  background: rgb(11 31 77 / 0.35);
}

.chat-overlay.is-open {
  display: block;
}

.chat-panel {
  position: absolute;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  width: 420px;
  height: min(720px, calc(100dvh - 48px));
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.chat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--blue-700);
  color: var(--white);
}

.chat-head strong {
  display: block;
}

.chat-head small {
  color: var(--blue-100);
}

.chat-close {
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

.chat-close:hover {
  background: rgb(255 255 255 / 0.15);
}

.chat-demo-note {
  padding: 8px 20px;
  background: var(--amber-50);
  color: var(--amber-800);
  font-size: 0.8125rem;
  font-weight: 700;
}

.chat-steps {
  padding: 12px 20px 0;
  color: var(--slate-500);
  font-size: 0.8125rem;
  font-weight: 600;
}

.chat-body {
  flex: 1;
  padding: 16px 20px;
  overflow-y: auto;
}

.chat-bubble {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 4px 14px 14px 14px;
  background: var(--slate-100);
  color: var(--slate-700);
}

.intent-list {
  display: grid;
  gap: 8px;
}

.intent-list button {
  min-height: 48px;
  padding: 12px 16px;
  border: 1.5px solid var(--blue-200);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--blue-900);
  font: inherit;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.intent-list button:hover {
  border-color: var(--blue-700);
  background: var(--blue-50);
}

.context-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.context-chips span {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--blue-900);
  font-size: 0.8125rem;
  font-weight: 600;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  margin-bottom: 4px;
  color: var(--blue-950);
  font-size: 0.9375rem;
  font-weight: 700;
}

.field .optional {
  color: var(--slate-500);
  font-weight: 400;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1.5px solid var(--slate-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--slate-900);
  font: inherit;
  font-size: 16px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue-700);
  outline: none;
  box-shadow: 0 0 0 3px var(--blue-100);
}

.field[data-invalid] input {
  border-color: var(--red-700);
}

.field-error {
  margin: 4px 0 0;
  color: var(--red-700);
  font-size: 0.875rem;
}

.chat-foot {
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--slate-200);
  background: var(--white);
}

.chat-foot .row {
  display: flex;
  gap: 8px;
}

.chat-foot .row .btn-primary {
  flex: 1;
}

.chat-success {
  padding: 24px 0;
  text-align: center;
}

.chat-success .mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: #dcfce7;
  color: var(--green-700);
  font-size: 1.75rem;
}

@media (max-width: 720px) {
  .finder {
    padding: 20px 16px;
    border-radius: var(--radius);
  }

  .options {
    grid-template-columns: 1fr;
  }

  .finder-nav {
    position: sticky;
    bottom: 0;
    margin: 20px -16px -20px;
    padding: 12px 16px;
    border-top: 1px solid var(--slate-200);
    background: var(--white);
  }

  .plans-wrap {
    display: none;
  }

  .plans-cards {
    display: grid;
    gap: 12px;
  }

  .chat-panel {
    inset: 0;
    width: 100%;
    height: var(--chat-height, 100dvh);
    border-radius: 0;
  }
}