/* ══════════════════════════════════════════════════════
   MentionLab Credit Calculator — Styles
   Namespace: .mc-* (MentionLab Calculateur)
   Design System: MentionLab Baromètre (shadcn/zinc-inspired)
   ══════════════════════════════════════════════════════ */

/* ── Root container & CSS Variables ──────────────────── */
.mc-calculator {
  /* Palette */
  --ml-bg: #000000;
  --ml-bg-card: #111113;
  --ml-bg-card-hover: #1C1C1F;
  --ml-bg-muted: #18181B;
  --ml-accent: #44C5E4;
  --ml-accent-dim: rgba(68, 197, 228, 0.08);
  --ml-accent-hover: rgba(68, 197, 228, 0.15);
  --ml-text: #FAFAFA;
  --ml-text-secondary: #A1A1AA;
  --ml-text-muted: #52525B;
  --ml-green: #22C55E;
  --ml-red: #EF4444;
  --ml-border: #27272A;
  --ml-border-hover: #3F3F46;
  --ml-ring: rgba(68, 197, 228, 0.35);

  /* Radii */
  --ml-radius: 8px;
  --ml-radius-sm: 6px;
  --ml-radius-pill: 9999px;

  /* Shadows */
  --ml-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --ml-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
  --ml-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);

  /* Base typography */
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  -webkit-font-smoothing: antialiased;
  color: var(--ml-text);
  background: var(--ml-bg);
  width: 100%;
  max-width: 90rem;
  margin: 0 auto;
  padding: 48px 24px;
  box-sizing: border-box;
  font-size: 13px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0;
}

/* ── Scoped reset ────────────────────────────────────── */
.mc-calculator *,
.mc-calculator *::before,
.mc-calculator *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Scrollbar ───────────────────────────────────────── */
.mc-calculator ::-webkit-scrollbar { width: 6px; height: 6px; }
.mc-calculator ::-webkit-scrollbar-track { background: var(--ml-bg); border-radius: 3px; }
.mc-calculator ::-webkit-scrollbar-thumb { background: var(--ml-border); border-radius: 3px; }
.mc-calculator ::-webkit-scrollbar-thumb:hover { background: var(--ml-border-hover); }

/* ── Typography ──────────────────────────────────────── */
.mc-calculator .mc-section-title {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ml-text-muted);
  margin-bottom: 20px;
}
.mc-calculator .mc-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--ml-text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mc-calculator .mc-label-value {
  color: var(--ml-text);
  font-weight: 600;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.mc-calculator .mc-tooltip {
  font-size: 10px;
  font-weight: 400;
  color: var(--ml-text-muted);
  margin-top: 6px;
  line-height: 1.5;
}

/* ── Layout ──────────────────────────────────────────── */
.mc-calculator .mc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.mc-calculator .mc-card {
  background: var(--ml-bg-card);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  box-shadow: var(--ml-shadow-xs);
  padding: 24px;
}
.mc-calculator .mc-right {
  position: sticky;
  top: 24px;
}
.mc-calculator .mc-param-group {
  margin-bottom: 24px;
}
.mc-calculator .mc-param-group:last-child {
  margin-bottom: 0;
}

/* ── Sliders ─────────────────────────────────────────── */
.mc-calculator input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: var(--ml-radius-pill);
  outline: none;
  cursor: pointer;
  background: var(--ml-border);
  transition: background 0.15s ease;
}
.mc-calculator input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ml-accent);
  cursor: pointer;
  border: 2px solid var(--ml-bg);
  box-shadow: 0 0 0 3px var(--ml-ring);
  transition: box-shadow 0.15s ease;
}
.mc-calculator input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px var(--ml-ring);
}
.mc-calculator input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ml-accent);
  cursor: pointer;
  border: 2px solid var(--ml-bg);
  box-shadow: 0 0 0 3px var(--ml-ring);
}
.mc-calculator input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: var(--ml-radius-pill);
  background: var(--ml-border);
}

/* ── Reliability Labels ──────────────────────────────── */
.mc-calculator .mc-reliability-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
}
.mc-calculator .mc-reliability-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--ml-text-muted);
  text-align: center;
  transition: color 0.15s ease;
}
.mc-calculator .mc-reliability-label.active {
  font-weight: 600;
}
.mc-calculator .mc-reliability-desc {
  font-size: 10px;
  font-weight: 400;
  color: var(--ml-text-muted);
  margin-top: 12px;
  line-height: 1.5;
}

/* ── Engine Checkboxes ───────────────────────────────── */
.mc-calculator .mc-engines-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.mc-calculator .mc-engine-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--ml-radius-sm);
  border: 1px solid var(--ml-border);
  background: var(--ml-bg);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  user-select: none;
}
.mc-calculator .mc-engine-item:hover {
  border-color: var(--ml-border-hover);
  background: var(--ml-bg-muted);
}
.mc-calculator .mc-engine-item.checked {
  border-color: rgba(68, 197, 228, 0.25);
  background: var(--ml-accent-dim);
}
.mc-calculator .mc-engine-cb {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid var(--ml-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}
.mc-calculator .mc-engine-item.checked .mc-engine-cb {
  background: var(--ml-accent);
  border-color: var(--ml-accent);
}
.mc-calculator .mc-engine-cb svg {
  opacity: 0;
  transition: opacity 0.15s ease;
}
.mc-calculator .mc-engine-item.checked .mc-engine-cb svg {
  opacity: 1;
}
.mc-calculator .mc-engine-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--ml-text-secondary);
}
.mc-calculator .mc-engine-item.checked .mc-engine-name {
  color: var(--ml-accent);
}
.mc-calculator .mc-engines-count {
  font-size: 10px;
  font-weight: 400;
  color: var(--ml-text-muted);
  margin-top: 10px;
}

/* ── Frequency Toggles (Pills) ───────────────────────── */
.mc-calculator .mc-toggle-group {
  display: flex;
  gap: 6px;
  background: var(--ml-bg);
  border-radius: var(--ml-radius);
  padding: 4px;
  border: 1px solid var(--ml-border);
}
.mc-calculator .mc-toggle-btn {
  flex: 1;
  padding: 6px 12px;
  border: 1px solid transparent;
  border-radius: var(--ml-radius-sm);
  background: transparent;
  color: var(--ml-text-secondary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  text-align: center;
  white-space: nowrap;
}
.mc-calculator .mc-toggle-btn:hover {
  color: var(--ml-text);
  background: var(--ml-bg-muted);
  border-color: var(--ml-border-hover);
}
.mc-calculator .mc-toggle-btn.active {
  background: var(--ml-accent-dim);
  border-color: rgba(68, 197, 228, 0.25);
  color: var(--ml-accent);
  font-weight: 600;
}

/* ── Results ─────────────────────────────────────────── */
.mc-calculator .mc-results-credits {
  text-align: center;
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--ml-border);
  margin-bottom: 20px;
}
.mc-calculator .mc-credits-number {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--ml-text);
  line-height: 1.2;
  letter-spacing: -0.64px;
  font-variant-numeric: tabular-nums;
}
.mc-calculator .mc-credits-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--ml-text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Breakdown ───────────────────────────────────────── */
.mc-calculator .mc-breakdown {
  padding-top: 0;
}
.mc-calculator .mc-breakdown-title {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ml-text-muted);
  margin-bottom: 12px;
}
.mc-calculator .mc-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 13px;
}
.mc-calculator .mc-breakdown-row .mc-op {
  color: var(--ml-text-muted);
  width: 16px;
  text-align: center;
}
.mc-calculator .mc-breakdown-row .mc-bk-label {
  flex: 1;
  color: var(--ml-text-secondary);
  padding-left: 8px;
  font-weight: 400;
}
.mc-calculator .mc-breakdown-row .mc-bk-val {
  font-weight: 600;
  color: var(--ml-text);
  font-variant-numeric: tabular-nums;
}
.mc-calculator .mc-breakdown-divider {
  border: none;
  border-top: 1px dashed var(--ml-border);
  margin: 8px 0;
}
.mc-calculator .mc-breakdown-result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
  font-weight: 600;
}
.mc-calculator .mc-breakdown-result .mc-eq {
  color: var(--ml-accent);
  width: 16px;
  text-align: center;
}

/* ── Plan Cards Grid ─────────────────────────────────── */
.mc-calculator .mc-plans-section {
  margin-bottom: 48px;
}
.mc-calculator .mc-plans-heading {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--ml-text);
  margin-bottom: 8px;
  letter-spacing: -0.64px;
  line-height: 1.2;
}
.mc-calculator .mc-plans-subtitle {
  font-size: 13px;
  font-weight: 400;
  color: var(--ml-text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}
.mc-calculator .mc-plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.mc-calculator .mc-plan-card {
  background: var(--ml-bg-card);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  box-shadow: var(--ml-shadow-xs);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.mc-calculator .mc-plan-card:hover {
  border-color: var(--ml-border-hover);
}
.mc-calculator .mc-plan-card.recommended {
  border-color: var(--ml-accent);
  border-width: 2px;
  box-shadow: 0 0 24px rgba(68, 197, 228, 0.1);
  transform: translateY(-4px);
  position: relative;
}
.mc-calculator .mc-plan-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ml-accent);
  color: var(--ml-bg);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--ml-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.mc-calculator .mc-plan-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ml-text);
  margin-bottom: 4px;
  line-height: 1.2;
  letter-spacing: -0.2px;
}
.mc-calculator .mc-plan-price {
  font-size: 13px;
  font-weight: 500;
  color: var(--ml-text-secondary);
  margin-bottom: 12px;
}
.mc-calculator .mc-plan-desc {
  font-size: 11px;
  font-weight: 600;
  color: var(--ml-accent);
  line-height: 1.5;
  margin-bottom: 20px;
  min-height: 20px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  background: var(--ml-accent-dim);
  border: 1px solid rgba(68, 197, 228, 0.1);
  border-radius: var(--ml-radius-sm);
  padding: 4px 10px;
  display: inline-block;
}
.mc-calculator .mc-plan-features {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
  flex: 1;
}
.mc-calculator .mc-plan-features li {
  font-size: 12px;
  font-weight: 500;
  color: var(--ml-text-secondary);
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mc-calculator .mc-plan-features li::before {
  content: '';
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5' stroke='%2344C5E4' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}
.mc-calculator .mc-plan-cta {
  display: block;
  text-align: center;
  padding: 8px 16px;
  border-radius: var(--ml-radius-sm);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  cursor: pointer;
  border: 1px solid var(--ml-border);
}
.mc-calculator .mc-plan-cta-outline {
  background: transparent;
  color: var(--ml-text-secondary);
}
.mc-calculator .mc-plan-cta-outline:hover {
  border-color: var(--ml-border-hover);
  background: var(--ml-bg-muted);
  color: var(--ml-text);
}
.mc-calculator .mc-plan-cta-filled {
  background: var(--ml-accent);
  color: var(--ml-bg);
  border-color: var(--ml-accent);
  font-weight: 600;
}
.mc-calculator .mc-plan-cta-filled:hover {
  background: var(--ml-text);
  border-color: var(--ml-text);
  color: var(--ml-bg);
}

/* ── Animations ──────────────────────────────────────── */
@keyframes mc-fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.mc-calculator .mc-animate { animation: mc-fadeUp 0.5s ease-out both; }
.mc-calculator .mc-animate-d1 { animation-delay: 0.05s; }
.mc-calculator .mc-animate-d2 { animation-delay: 0.10s; }
.mc-calculator .mc-animate-d3 { animation-delay: 0.15s; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  .mc-calculator {
    padding: 24px 16px;
  }
  .mc-calculator .mc-plans-heading {
    font-size: 22px;
  }
  .mc-calculator .mc-grid {
    grid-template-columns: 1fr;
  }
  .mc-calculator .mc-right {
    position: static;
  }
  .mc-calculator .mc-plans-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .mc-calculator {
    padding: 16px 12px;
  }
  .mc-calculator .mc-engines-grid {
    grid-template-columns: 1fr;
  }
  .mc-calculator .mc-toggle-group {
    flex-wrap: wrap;
  }
  .mc-calculator .mc-toggle-btn {
    flex: 0 0 calc(50% - 3px);
  }
  .mc-calculator .mc-credits-number {
    font-size: 22px;
  }
}