/* ============================================
   PAC CALCULATOR — Style Artisanonline.fr
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@400;600;700;800&family=Open+Sans:wght@300;400;500;600&display=swap');

/* ---- Root Variables ---- */
.pac-wrap {
  --pac-bg: #ffffff;
  --pac-surface: #f8f9fa;
  --pac-surface2: #f0f2f4;
  --pac-border: #e2e6ea;
  --pac-orange: #e8450a;
  --pac-orange-light: #ff6b35;
  --pac-orange-dark: #c23a08;
  --pac-green: #28a745;
  --pac-blue: #1a6bb5;
  --pac-text: #2c3e50;
  --pac-muted: #6c757d;
  --pac-light: #495057;
  --pac-font-display: 'Raleway', sans-serif;
  --pac-font-body: 'Open Sans', sans-serif;
  --pac-radius: 12px;
  --pac-radius-sm: 8px;
  --pac-shadow: 0 4px 24px rgba(0,0,0,0.10);
  --pac-shadow-hover: 0 8px 32px rgba(232,69,10,0.15);

  font-family: var(--pac-font-body);
  background: var(--pac-bg);
  border-radius: var(--pac-radius);
  max-width: 860px;
  margin: 2rem auto;
  overflow: hidden;
  box-shadow: var(--pac-shadow);
  border: 1px solid var(--pac-border);
  color: var(--pac-text);
}

/* ---- Header ---- */
.pac-header {
  background: linear-gradient(135deg, var(--pac-orange-dark) 0%, var(--pac-orange) 60%, var(--pac-orange-light) 100%);
  padding: 2rem 2.5rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border-bottom: none;
  position: relative;
  overflow: hidden;
}

.pac-header::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -5%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.pac-header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 20%;
  width: 60%;
  height: 40px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.pac-header-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pac-header-icon svg {
  width: 26px;
  height: 26px;
  color: white;
}

.pac-header-text { flex: 1; }

.pac-header-text h2 {
  font-family: var(--pac-font-display);
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 0 0.25rem;
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.pac-header-text p {
  margin: 0;
  color: rgba(255,255,255,0.82);
  font-size: 0.875rem;
}

.pac-steps-indicator {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.pac-step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: all 0.3s ease;
}

.pac-step-dot.active {
  background: #ffffff;
  width: 24px;
  border-radius: 4px;
}

.pac-step-dot.done {
  background: rgba(255,255,255,0.75);
}

/* ---- Progress bar ---- */
.pac-progress-bar {
  height: 4px;
  background: #e9ecef;
}

.pac-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pac-orange-dark), var(--pac-orange-light));
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Steps ---- */
.pac-step {
  display: none;
  padding: 2rem 2.5rem;
  animation: pacFadeIn 0.35s ease;
}

.pac-step.active { display: block; }

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

.pac-step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.pac-step-num {
  font-family: var(--pac-font-display);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--pac-orange);
  background: rgba(232,69,10,0.08);
  border: 1px solid rgba(232,69,10,0.2);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  letter-spacing: 0.1em;
}

.pac-step-header h3 {
  font-family: var(--pac-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
  color: var(--pac-text);
}

/* ---- Fields Grid ---- */
.pac-fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.pac-field-full {
  grid-column: 1 / -1;
}

.pac-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--pac-light);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pac-unit {
  font-size: 0.7rem;
  color: var(--pac-muted);
  text-transform: none;
  letter-spacing: 0;
}

/* ---- Inputs ---- */
.pac-input-wrap input[type="number"],
.pac-select-wrap select {
  width: 100%;
  background: #fff;
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius-sm);
  padding: 0.7rem 1rem;
  color: var(--pac-text);
  font-family: var(--pac-font-body);
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
  appearance: none;
  -webkit-appearance: none;
}

.pac-select-wrap {
  position: relative;
}

.pac-select-wrap::after {
  content: '▾';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--pac-muted);
  pointer-events: none;
}

.pac-input-wrap input[type="number"]:focus,
.pac-select-wrap select:focus {
  outline: none;
  border-color: var(--pac-orange);
  box-shadow: 0 0 0 3px rgba(232,69,10,0.10);
}

/* ---- Range slider ---- */
.pac-slider-wrap {
  margin-top: 0.75rem;
}

.pac-range {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  height: 5px;
  background: #e9ecef;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.pac-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--pac-orange);
  box-shadow: 0 2px 8px rgba(232,69,10,0.35);
  cursor: pointer;
  border: 3px solid #fff;
}

/* ---- Radio Cards ---- */
.pac-radio-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.pac-radio-card input { display: none; }

.pac-card-inner {
  background: #fff;
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius-sm);
  padding: 1rem 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--pac-light);
  line-height: 1.3;
}

.pac-card-inner svg {
  width: 28px;
  height: 28px;
  color: var(--pac-muted);
  transition: color 0.2s;
}

.pac-radio-card input:checked + .pac-card-inner {
  border-color: var(--pac-orange);
  background: rgba(232,69,10,0.04);
  color: var(--pac-text);
  box-shadow: 0 0 0 1px var(--pac-orange), 0 4px 16px rgba(232,69,10,0.1);
}

.pac-radio-card input:checked + .pac-card-inner svg {
  color: var(--pac-orange);
}

/* ---- Isolation Cards ---- */
.pac-isolation-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.pac-iso-card input { display: none; }

.pac-iso-inner {
  background: #fff;
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius-sm);
  padding: 1.2rem 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-align: center;
}

.pac-iso-inner strong {
  font-size: 0.82rem;
  color: var(--pac-text);
}

.pac-iso-inner span {
  font-size: 0.72rem;
  color: var(--pac-muted);
}

.pac-iso-inner small {
  font-size: 0.68rem;
  color: var(--pac-blue);
}

.pac-iso-badge {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--pac-font-display);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.pac-iso-a { background: rgba(40,167,69,0.12); color: #28a745; border: 1px solid rgba(40,167,69,0.25); }
.pac-iso-b { background: rgba(108,196,0,0.12); color: #6cc400; border: 1px solid rgba(108,196,0,0.25); }
.pac-iso-c { background: rgba(255,140,0,0.12); color: #ff8c00; border: 1px solid rgba(255,140,0,0.25); }
.pac-iso-d { background: rgba(220,53,69,0.10); color: #dc3545; border: 1px solid rgba(220,53,69,0.2); }

.pac-iso-card input:checked + .pac-iso-inner {
  border-color: var(--pac-orange);
  background: rgba(232,69,10,0.04);
  box-shadow: 0 0 0 1px var(--pac-orange);
}

/* ---- Zone Cards ---- */
.pac-zone-selector { display: flex; flex-direction: column; gap: 1rem; }

.pac-zone-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.pac-zone-card input { display: none; }

.pac-zone-inner {
  background: #fff;
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius-sm);
  padding: 1.2rem 1rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-align: center;
}

.pac-zone-icon { font-size: 1.75rem; }

.pac-zone-inner strong {
  font-family: var(--pac-font-display);
  font-size: 0.9rem;
  color: var(--pac-text);
}

.pac-zone-inner span {
  font-size: 0.72rem;
  color: var(--pac-muted);
}

.pac-zone-inner small {
  font-size: 0.7rem;
  color: var(--pac-blue);
  margin-top: 0.2rem;
}

.pac-zone-card input:checked + .pac-zone-inner {
  border-color: var(--pac-orange);
  background: rgba(232,69,10,0.04);
  box-shadow: 0 0 0 1px var(--pac-orange);
}

.pac-dept-wrap label {
  display: block;
  font-size: 0.78rem;
  color: var(--pac-muted);
  margin-bottom: 0.4rem;
}

/* ---- Temp / Occupants Selector ---- */
.pac-temp-selector,
.pac-occupants-selector {
  display: flex;
  gap: 0.5rem;
}

.pac-temp-btn,
.pac-occ-btn {
  flex: 1;
  background: #fff;
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius-sm);
  color: var(--pac-light);
  font-family: var(--pac-font-display);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
}

.pac-temp-btn:hover,
.pac-occ-btn:hover {
  border-color: var(--pac-orange);
  color: var(--pac-orange);
}

.pac-temp-btn.active,
.pac-occ-btn.active {
  background: var(--pac-orange);
  border-color: var(--pac-orange);
  color: white;
  box-shadow: 0 3px 12px rgba(232,69,10,0.25);
}

/* ---- Toggle Group ---- */
.pac-toggle-group {
  display: flex;
  gap: 0.75rem;
}

.pac-toggle-btn input { display: none; }

.pac-toggle-btn span {
  display: block;
  background: #fff;
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius-sm);
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s;
  white-space: nowrap;
}

.pac-toggle-btn input:checked + span {
  border-color: var(--pac-green);
  background: rgba(40,167,69,0.06);
  color: var(--pac-text);
}

/* ---- Navigation ---- */
.pac-nav {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--pac-border);
}

.pac-nav-end { justify-content: space-between; }

.pac-btn-next,
.pac-btn-prev,
.pac-btn-reset {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--pac-radius-sm);
  font-family: var(--pac-font-display);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.pac-btn-next {
  background: var(--pac-orange);
  color: white;
  box-shadow: 0 3px 16px rgba(232,69,10,0.3);
}

.pac-btn-next:hover {
  background: var(--pac-orange-dark);
  box-shadow: 0 5px 22px rgba(232,69,10,0.4);
  transform: translateY(-1px);
}

.pac-btn-next svg, .pac-btn-prev svg { width: 16px; height: 16px; }

.pac-btn-prev {
  background: transparent;
  border: 1.5px solid var(--pac-border);
  color: var(--pac-muted);
}

.pac-btn-prev:hover {
  border-color: var(--pac-orange);
  color: var(--pac-orange);
}

.pac-btn-reset {
  background: transparent;
  border: 1.5px solid var(--pac-border);
  color: var(--pac-muted);
  font-size: 0.85rem;
}

.pac-btn-reset:hover {
  border-color: var(--pac-muted);
  color: var(--pac-text);
}

/* ===========================
   RESULTS
   =========================== */

.pac-results { display: flex; flex-direction: column; gap: 1.5rem; }

/* Hero - puissance */
.pac-result-hero {
  background: linear-gradient(135deg, var(--pac-orange-dark) 0%, var(--pac-orange) 60%, var(--pac-orange-light) 100%);
  border-radius: var(--pac-radius);
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.pac-power-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.pac-power-ring {
  position: relative;
  width: 120px;
  height: 120px;
}

.pac-ring-svg {
  width: 120px;
  height: 120px;
}

#pac-ring-circle {
  stroke: rgba(255,255,255,0.9);
}

.pac-ring-svg circle:first-child {
  stroke: rgba(255,255,255,0.2);
}

.pac-power-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  text-align: center;
  line-height: 1;
}

.pac-power-value span {
  font-family: var(--pac-font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
}

.pac-power-value small {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.75);
}

.pac-power-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.8);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.pac-result-tags {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pac-result-tag {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-family: var(--pac-font-display);
  font-weight: 700;
  font-size: 0.85rem;
}

.pac-tag-type {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
}

.pac-tag-cop {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
}

/* Result Cards */
.pac-result-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.pac-result-card {
  background: #fff;
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius-sm);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.pac-result-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,69,10,0.1);
  border-color: rgba(232,69,10,0.2);
}

.pac-result-card-icon { font-size: 1.5rem; }

.pac-result-card-value {
  font-family: var(--pac-font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--pac-orange);
}

.pac-result-card-label {
  font-size: 0.72rem;
  color: var(--pac-muted);
  line-height: 1.3;
}

/* Recommendation */
.pac-recommendation {
  background: var(--pac-surface);
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius);
  padding: 1.5rem;
}

.pac-recommendation h4 {
  font-family: var(--pac-font-display);
  font-weight: 700;
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--pac-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pac-pac-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.pac-pac-type-card {
  border-radius: var(--pac-radius-sm);
  padding: 1.25rem 1rem;
  text-align: center;
  border: 1.5px solid;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: #fff;
}

.pac-pac-type-card.recommended {
  border-color: var(--pac-orange);
  box-shadow: 0 4px 16px rgba(232,69,10,0.12);
}

.pac-pac-type-card.possible {
  border-color: var(--pac-border);
}

.pac-pac-type-card.not-recommended {
  border-color: #e9ecef;
  opacity: 0.55;
}

.pac-type-emoji { font-size: 2rem; }

.pac-type-name {
  font-family: var(--pac-font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--pac-text);
}

.pac-type-note {
  font-size: 0.72rem;
  color: var(--pac-muted);
}

.pac-type-badge {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.recommended .pac-type-badge {
  background: rgba(232,69,10,0.1);
  color: var(--pac-orange);
}

/* Charts */
.pac-chart-wrap {
  background: #fff;
  border: 1.5px solid var(--pac-border);
  border-radius: var(--pac-radius);
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.pac-chart-wrap h4 {
  font-family: var(--pac-font-display);
  font-weight: 700;
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--pac-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pac-chart-container {
  position: relative;
  height: 220px;
}

/* Devis */
.pac-devis-wrap {
  text-align: center;
  margin-top: 0.5rem;
  padding: 1.75rem 1.5rem;
  background: #fff8f6;
  border: 1px solid #f5d5c8;
  border-radius: var(--pac-radius-sm);
}

.pac-btn-devis-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.9rem 2rem;
  background: var(--pac-orange);
  color: #fff;
  text-decoration: none;
  font-family: var(--pac-font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 4px;
  letter-spacing: 0.02em;
  transition: background 0.18s ease, box-shadow 0.18s ease;
  box-shadow: 0 2px 8px rgba(232,69,10,0.25);
}

.pac-btn-devis-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.pac-ext-icon { width: 14px !important; height: 14px !important; opacity: 0.8; }

.pac-btn-devis-link:hover {
  background: var(--pac-orange-dark);
  box-shadow: 0 4px 16px rgba(232,69,10,0.35);
  color: #fff;
  text-decoration: none;
}

/* ---- Responsive ---- */
@media (max-width: 700px) {
  .pac-step { padding: 1.5rem 1.25rem; }
  .pac-header { padding: 1.5rem 1.25rem; }
  .pac-fields-grid { grid-template-columns: 1fr; }
  .pac-isolation-cards { grid-template-columns: repeat(2, 1fr); }
  .pac-result-cards { grid-template-columns: repeat(2, 1fr); }
  .pac-pac-types { grid-template-columns: 1fr; }
  .pac-result-hero { flex-direction: column; text-align: center; }
  .pac-result-tags { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .pac-devis-fields { grid-template-columns: 1fr; }
  .pac-radio-cards { grid-template-columns: 1fr; }
  .pac-zone-cards { grid-template-columns: 1fr; }
  .pac-header-icon { display: none; }
}

@media (max-width: 480px) {
  .pac-wrap { margin: 1rem 0.5rem; border-radius: var(--pac-radius); }
  .pac-isolation-cards { grid-template-columns: 1fr 1fr; }
  .pac-result-cards { grid-template-columns: 1fr 1fr; }
}

/* ---- Ajouts devis v2 ---- */
.pac-devis-full {
  grid-column: 1 / -1;
}

.pac-devis-error {
  background: rgba(220,53,69,0.08);
  border: 1px solid rgba(220,53,69,0.25);
  border-radius: var(--pac-radius-sm);
  padding: 0.65rem 1rem;
  color: #dc3545;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.pac-devis-mention {
  text-align: center;
  font-size: 0.75rem;
  color: var(--pac-muted);
  margin: 0.75rem 0 0;
}

.pac-devis-sent {
  background: rgba(40,167,69,0.08);
  border: 1.5px solid rgba(40,167,69,0.25);
  border-radius: var(--pac-radius-sm);
  padding: 0.85rem 1rem;
  color: var(--pac-green);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0.75rem;
  text-align: center;
}