* {
  box-sizing: border-box;
}

/* ==========================================================
   B'Expert SAV — identité graphique Boulanger
   Orange Boulanger (#FC5201), blanc, anthracite
   ========================================================== */
:root {
  --boulanger-orange: #fc5201;
  --boulanger-orange-dark: #d34401;
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-light: #f0f1f4;
  --accent: #fc5201;
  --accent-dark: #d34401;
  --ok: #1a9e4d;
  --warn: #fc5201;
  --danger: #d13c1f;
  --text: #1c1c1e;
  --text-dim: #6b7280;
  --border: #e2e4e9;
  --header-bg: #1c1c1e;
  --radius: 12px;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.icon {
  font-size: 24px;
}

.accent-word {
  color: var(--boulanger-orange);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 60px;
  width: 100%;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  padding: 14px 24px;
  background: var(--panel);
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}

.breadcrumb span {
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--panel-light);
}

.breadcrumb span.active {
  background: var(--boulanger-orange);
  color: #ffffff;
  font-weight: 600;
}

.step {
  display: none;
}

.step.active {
  display: block;
  animation: fadeIn .25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.search-box {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 15px;
  margin-bottom: 20px;
}

.search-box:focus {
  outline: 2px solid var(--boulanger-orange);
  border-color: var(--boulanger-orange);
}

.cat-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.cat-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  cursor: pointer;
  font-weight: 600;
  transition: .15s;
  color: var(--text);
}

.cat-tab.active {
  background: var(--boulanger-orange);
  color: #ffffff;
  border-color: var(--boulanger-orange);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: .15s;
  border-left: 4px solid transparent;
  display: flex;
  align-items: center;
  gap: 14px;
}

.card:hover {
  border-left-color: var(--boulanger-orange);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
}

.card-icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
}

.card h3 {
  margin: 0;
  font-size: 16px;
  color: var(--text);
}

.card p {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.4;
}

.card .tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 12px;
  background: var(--panel-light);
  color: var(--text-dim);
}

.symptom-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 10px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: .15s;
  border-left: 4px solid transparent;
}

.symptom-item:hover {
  border-left-color: var(--boulanger-orange);
  background: var(--panel-light);
}

.symptom-item .arrow {
  color: var(--boulanger-orange);
  font-size: 18px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--boulanger-orange);
  cursor: pointer;
  margin-bottom: 18px;
  font-size: 14px;
  font-weight: 600;
}

.back-link:hover {
  text-decoration: underline;
}

.panel-title {
  font-size: 18px;
  margin-bottom: 6px;
  color: var(--text);
}

.panel-sub {
  color: var(--text-dim);
  font-size: 13.5px;
  margin-bottom: 20px;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  transition: .15s;
}

.check-item:hover {
  border-color: var(--boulanger-orange);
}

.check-item.checked {
  border-color: var(--ok);
  background: rgba(26, 158, 77, .06);
}

.check-box {
  min-width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-top: 1px;
  transition: .15s;
  color: transparent;
}

.check-item.checked .check-box {
  background: var(--ok);
  border-color: var(--ok);
  color: #fff;
}

.check-label {
  font-size: 14.5px;
  line-height: 1.4;
  color: var(--text);
}

.action-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 22px;
  border-radius: 10px;
  border: none;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: .15s;
}

.btn-primary {
  background: var(--boulanger-orange);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--boulanger-orange-dark);
}

.btn-secondary {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--panel-light);
}

.btn-copy {
  background: var(--header-bg);
  color: #fff;
}

.btn-copy:hover {
  background: #000;
}

.btn-copy.copied {
  background: var(--ok);
}

.btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}

.result-box {
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 10px;
  border: 2px solid var(--border);
  background: var(--panel);
}

.result-box.resolved {
  border-color: var(--ok);
  background: rgba(26, 158, 77, .05);
}

.result-box.atelier {
  border-color: var(--boulanger-orange);
  background: rgba(252, 82, 1, .05);
}

.result-box.hors_garantie {
  border-color: var(--danger);
  background: rgba(209, 60, 31, .05);
}

.result-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 14px;
}

.result-badge.resolved {
  background: var(--ok);
  color: #fff;
}

.result-badge.atelier {
  background: var(--boulanger-orange);
  color: #fff;
}

.result-badge.hors_garantie {
  background: var(--danger);
  color: #fff;
}

.result-box h2 {
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--text);
}

.result-box p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text);
}

.result-box .cause {
  color: var(--text-dim);
  font-size: 13.5px;
  font-style: italic;
}

.summary-box {
  background: var(--panel-light);
  border-radius: 10px;
  padding: 16px;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--text);
}

.summary-box strong {
  color: var(--boulanger-orange);
}

.summary-box ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.summary-box li {
  margin-bottom: 4px;
}

textarea#notes {
  width: 100%;
  min-height: 70px;
  margin-top: 14px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-family: inherit;
  font-size: 13.5px;
  resize: vertical;
}

.copy-preview {
  background: #1c1c1e;
  color: #e5e7eb;
  border-radius: 10px;
  padding: 16px;
  margin-top: 16px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  white-space: pre-wrap;
  line-height: 1.6;
  max-height: 320px;
  overflow-y: auto;
}

.copy-feedback {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ok);
  font-weight: 600;
  margin-left: 10px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-dim);
}

.loading-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
  font-size: 14px;
}

@media (max-width: 600px) {
  main {
    padding: 16px 12px 60px;
  }
  .action-row {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
}