/* =============================================================
   OukiWeb – Convertisseur de Longueurs v1.1.0
   Palette TCH.BIO : Violet #7C5CFF / Cyan #2EE5FF
   Scoped entièrement sous .convertisseur-tool
   ============================================================= */

/* ── 0) Variables locales ────────────────────────────────── */
.convertisseur-tool {
  --ow-primary:         #7C5CFF;
  --ow-accent:          #2EE5FF;
  --ow-bg:              #070A12;
  --ow-bg-secondary:    #0B1020;
  --ow-bg-tertiary:     #0D1225;
  --ow-text:            #EAF0FF;
  --ow-text-secondary:  #94A3B8;
  --ow-muted:           #64748B;
  --ow-card:            #111827;
  --ow-border:          rgba(255, 255, 255, 0.08);
  --ow-border-accent:   rgba(124, 92, 255, 0.25);
  --ow-glow:            rgba(124, 92, 255, 0.25);
  --ow-glow-accent:     rgba(46, 229, 255, 0.20);
  --ow-edge-gradient:   linear-gradient(90deg, transparent, var(--ow-primary), var(--ow-accent), transparent);
  --ow-gradient-main:   linear-gradient(135deg, var(--ow-primary), var(--ow-accent));
  --radius:             20px;
  --radius-sm:          12px;
  --radius-xs:          8px;
  --shadow:             0 20px 60px rgba(0, 0, 0, 0.45);
  --shadow-glow:        0 0 30px var(--ow-glow);
  --transition:         all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast:    all 0.15s ease;
  --font-primary:       "Inter", "Montserrat", ui-sans-serif, system-ui, sans-serif;
  --font-mono:          ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --blur-fallback-bg:   rgba(11, 16, 32, 0.95);
}

/* ── 1) Reset ciblé ──────────────────────────────────────── */
.convertisseur-tool,
.convertisseur-tool *,
.convertisseur-tool *::before,
.convertisseur-tool *::after { box-sizing: border-box; }

.convertisseur-tool .sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── 2) Wrapper ──────────────────────────────────────────── */
.convertisseur-tool {
  font-family: var(--font-primary);
  line-height: 1.6; color: var(--ow-text);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  max-width: min(1100px, 92vw); margin-inline: auto;
  padding-inline: clamp(12px, 3vw, 24px);
}

/* ── 3) HERO ─────────────────────────────────────────────── */
.convertisseur-tool .hero-convertisseur {
  padding: 20px 0 12px; position: relative; overflow: hidden;
}
.convertisseur-tool .hero-convertisseur::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 700px 400px at 80% -20%, rgba(124, 92, 255, 0.12), transparent 65%),
    radial-gradient(ellipse 500px 300px at -10% 110%, rgba(46, 229, 255, 0.08), transparent 60%);
  z-index: -1;
}
.convertisseur-tool .hero-content {
  max-width: 100%; padding-inline: 8px; text-align: center;
  display: flex; align-items: center; flex-direction: column; margin: 0 auto;
}
.convertisseur-tool .hero-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(124, 92, 255, 0.1); border: 1px solid rgba(124, 92, 255, 0.25);
  padding: .3rem .75rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600; color: var(--ow-accent);
  letter-spacing: .4px; text-transform: uppercase; margin-bottom: .75rem;
}
@supports (backdrop-filter: blur(8px)) {
  .convertisseur-tool .hero-badge { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
}
.convertisseur-tool .hero-title {
  font-size: clamp(1.6rem, 6vw, 2.4rem); font-weight: 800; line-height: 1.15; margin: 0 0 .6rem;
  background: linear-gradient(135deg, var(--ow-text) 30%, var(--ow-accent) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.convertisseur-tool .hero-description {
  font-size: 1rem; color: var(--ow-text-secondary);
  max-width: 44ch; line-height: 1.6; margin: 0 auto .9rem;
}
.convertisseur-tool .hero-features { display: flex; flex-direction: column; gap: .4rem; width: 100%; max-width: 540px; }
.convertisseur-tool .feature {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  background: rgba(124, 92, 255, 0.06); border: 1px solid rgba(124, 92, 255, 0.15);
  padding: .55rem .75rem; border-radius: var(--radius-xs);
  font-size: .82rem; font-weight: 500; color: var(--ow-text-secondary);
  transition: var(--transition-fast);
}
.convertisseur-tool .feature:hover {
  background: rgba(124, 92, 255, 0.12); border-color: rgba(124, 92, 255, 0.3); color: var(--ow-text);
}

/* ── 4) CONVERTISSEUR ────────────────────────────────────── */
.convertisseur-tool .converter-section { padding: 8px 0 24px; }

.convertisseur-tool .converter-card {
  background: linear-gradient(145deg, rgba(124, 92, 255, 0.05), rgba(46, 229, 255, 0.02));
  border: 1px solid var(--ow-border);
  border-radius: var(--radius); box-shadow: var(--shadow), var(--shadow-glow);
  overflow: hidden; position: relative;
}
.convertisseur-tool .converter-card::after {
  content: ""; position: absolute; left: 8%; right: 8%; top: 0; height: 1px;
  background: var(--ow-edge-gradient); opacity: 0.6; pointer-events: none;
}
.convertisseur-tool .controls-section {
  padding: 1rem .75rem; border-bottom: 1px solid var(--ow-border);
  background: var(--blur-fallback-bg);
}
@supports (backdrop-filter: blur(12px)) {
  .convertisseur-tool .controls-section {
    background: rgba(11, 16, 32, 0.5);
    backdrop-filter: blur(12px) saturate(160%); -webkit-backdrop-filter: blur(12px) saturate(160%);
  }
}
.convertisseur-tool .control-group { display: grid; grid-template-columns: 1fr; gap: .85rem; }
.convertisseur-tool .rule-control,
.convertisseur-tool .examples-control {
  display: flex; flex-direction: column; gap: .5rem;
  background: rgba(124, 92, 255, 0.04); border: 1px solid rgba(124, 92, 255, 0.12);
  border-radius: var(--radius-sm); padding: .8rem;
}
.convertisseur-tool .examples-control {
  background: rgba(46, 229, 255, 0.04); border-color: rgba(46, 229, 255, 0.12);
}
.convertisseur-tool label { font-size: .78rem; font-weight: 600; color: var(--ow-text-secondary); letter-spacing: .3px; }

/* Range */
.convertisseur-tool .range-wrapper {
  display: flex; align-items: center; gap: .65rem;
  background: var(--ow-bg-secondary); border: 1px solid var(--ow-border);
  border-radius: var(--radius-xs); padding: .5rem;
}
.convertisseur-tool input[type="range"] {
  flex: 1; appearance: none; -webkit-appearance: none; height: 5px;
  border-radius: 3px; cursor: pointer;
  background: linear-gradient(90deg, var(--ow-primary) 0%, rgba(46, 229, 255, 0.3) 100%);
}
.convertisseur-tool input[type="range"]::-webkit-slider-runnable-track { height: 5px; border-radius: 3px; background: transparent; }
.convertisseur-tool input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--ow-gradient-main); border: 2px solid var(--ow-bg); box-shadow: 0 0 10px var(--ow-glow);
}
.convertisseur-tool input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--ow-gradient-main); border: 2px solid var(--ow-bg); box-shadow: 0 0 10px var(--ow-glow);
}
.convertisseur-tool .range-wrapper output {
  font: 700 .78rem var(--font-mono); color: var(--ow-accent);
  background: rgba(46, 229, 255, 0.08); border: 1px solid rgba(46, 229, 255, 0.2);
  padding: .2rem .5rem; border-radius: var(--radius-xs); min-width: 64px; text-align: center; white-space: nowrap;
}

/* Chips */
.convertisseur-tool .chips { display: grid; grid-template-columns: 1fr; gap: .5rem; }
.convertisseur-tool .chip {
  background: rgba(124, 92, 255, 0.08); border: 1px solid rgba(124, 92, 255, 0.2);
  color: var(--ow-text); padding: .6rem .75rem; border-radius: var(--radius-xs);
  font-size: .8rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
  gap: .3rem; min-height: 48px; font-weight: 600; transition: var(--transition-fast);
  -webkit-tap-highlight-color: rgba(124, 92, 255, 0.1);
}
.convertisseur-tool .chip:hover {
  background: rgba(124, 92, 255, 0.18); border-color: rgba(124, 92, 255, 0.4);
  color: var(--ow-accent); transform: translateY(-1px);
}
.convertisseur-tool .chip:active { transform: scale(.95); }

/* Table → cartes mobile */
.convertisseur-tool .table-wrapper { position: relative; overflow-x: visible; }
.convertisseur-tool .conversion-table { border-collapse: separate; border-spacing: 0; }
.convertisseur-tool .conversion-table thead { display: none; }
.convertisseur-tool .conversion-table tr {
  display: block; background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--ow-border); border-radius: var(--radius-sm);
  margin-bottom: .65rem; overflow: hidden; transition: var(--transition-fast);
}
.convertisseur-tool .unit-row:hover {
  border-color: rgba(124, 92, 255, 0.25); box-shadow: 0 4px 20px rgba(124, 92, 255, 0.1);
}
.convertisseur-tool .unit-cell,
.convertisseur-tool .value-cell,
.convertisseur-tool .action-cell { display: block; padding: .8rem; border: none; }
.convertisseur-tool .unit-cell { background: rgba(124, 92, 255, 0.06); border-bottom: 1px solid var(--ow-border); }
.convertisseur-tool .unit-info { display: flex; align-items: center; gap: .6rem; }
.convertisseur-tool .unit-symbol {
  font: 700 1rem var(--font-mono); color: #fff;
  background: var(--ow-gradient-main); padding: .25rem .5rem;
  border-radius: var(--radius-xs); min-width: 2.6rem; text-align: center;
  box-shadow: 0 4px 12px var(--ow-glow);
}
.convertisseur-tool .unit-name { font-weight: 700; color: var(--ow-text); font-size: .92rem; }
.convertisseur-tool .unit-hint { font-size: .72rem; color: var(--ow-muted); margin-top: 1px; }

/* Inputs */
.convertisseur-tool .input-group { display: flex; flex-direction: column; gap: .5rem; }
.convertisseur-tool .value-input {
  flex: 1; width: 100%; background: var(--ow-bg-secondary);
  border: 1px solid var(--ow-border); border-radius: var(--radius-xs);
  padding: .75rem .9rem; color: var(--ow-text);
  font: 500 max(16px, 1rem) var(--font-mono);
  transition: var(--transition-fast); min-height: 52px; -webkit-tap-highlight-color: transparent;
}
.convertisseur-tool .value-input:focus {
  outline: none; border-color: var(--ow-primary);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.15), var(--shadow-glow);
}
.convertisseur-tool .stepper-controls { display: flex; gap: .4rem; }
.convertisseur-tool .stepper-btn {
  flex: 1; min-height: 48px;
  background: rgba(124, 92, 255, 0.1); border: 1px solid rgba(124, 92, 255, 0.2);
  border-radius: var(--radius-xs); font-weight: 800; font-size: 1.1rem;
  color: var(--ow-text-secondary); display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition-fast); touch-action: none; user-select: none;
}
.convertisseur-tool .stepper-btn:hover {
  background: var(--ow-gradient-main); color: #fff; border-color: transparent;
  box-shadow: 0 0 16px var(--ow-glow);
}
.convertisseur-tool .stepper-btn:active { transform: scale(.95); }
.convertisseur-tool .conversion-hint { font: .72rem var(--font-mono); color: var(--ow-muted); margin-top: .2rem; }

/* Copier */
.convertisseur-tool .copy-btn {
  width: 100%; min-height: 48px; background: rgba(124, 92, 255, 0.08);
  border: 1px solid var(--ow-border-accent); color: var(--ow-text); padding: .7rem;
  border-radius: var(--radius-xs); display: flex; align-items: center; justify-content: center;
  gap: .5rem; font-size: .85rem; font-weight: 600; cursor: pointer; transition: var(--transition-fast);
}
.convertisseur-tool .copy-btn:hover { background: rgba(124, 92, 255, 0.18); border-color: var(--ow-primary); color: var(--ow-accent); }
.convertisseur-tool .copy-btn.copied { background: rgba(46, 229, 255, 0.15); border-color: var(--ow-accent); color: var(--ow-accent); }

/* Pied tableau */
.convertisseur-tool .table-footer { padding: .9rem .75rem; background: rgba(7, 10, 18, 0.5); border-top: 1px solid var(--ow-border); }
.convertisseur-tool .footer-controls { display: flex; flex-direction: column; gap: .75rem; }
.convertisseur-tool .decimals-control {
  display: flex; align-items: center; gap: .75rem;
  background: rgba(124, 92, 255, 0.04); border: 1px solid rgba(124, 92, 255, 0.12);
  border-radius: var(--radius-xs); padding: .65rem;
}
.convertisseur-tool .reset-btn {
  width: 100%; min-height: 48px; background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25); color: #fca5a5;
  border-radius: var(--radius-xs); display: flex; align-items: center; justify-content: center;
  gap: .5rem; font-weight: 700; cursor: pointer; transition: var(--transition-fast);
}
.convertisseur-tool .reset-btn:hover { background: rgba(239, 68, 68, 0.15); border-color: rgba(239, 68, 68, 0.4); }

/* ── 5) RÈGLES & EXEMPLES ────────────────────────────────── */
.convertisseur-tool .rules-section { padding: 20px 0 24px; }
.convertisseur-tool .rules-grid { display: grid; grid-template-columns: 1fr; gap: .85rem; }
.convertisseur-tool .rules-card,
.convertisseur-tool .examples-card {
  background: linear-gradient(145deg, rgba(124, 92, 255, 0.06), rgba(46, 229, 255, 0.02));
  border: 1px solid var(--ow-border); border-radius: var(--radius);
  padding: 1.25rem; box-shadow: var(--shadow), var(--shadow-glow);
  position: relative; overflow: hidden;
}
.convertisseur-tool .rules-card::after,
.convertisseur-tool .examples-card::after {
  content: ""; position: absolute; left: 10%; right: 10%; top: 0; height: 1px;
  background: var(--ow-edge-gradient); opacity: 0.4; pointer-events: none;
}
.convertisseur-tool .section-title {
  display: flex; align-items: center; gap: .5rem;
  font-weight: 800; color: var(--ow-text); font-size: 1.05rem; margin: 0 0 1rem;
}
.convertisseur-tool .rule-item { margin-bottom: 1.1rem; }
.convertisseur-tool .rule-item:last-child { margin-bottom: 0; }
.convertisseur-tool .rule-title { font-weight: 700; color: var(--ow-accent); font-size: .9rem; margin: 0 0 .35rem; }
.convertisseur-tool .rule-description { color: var(--ow-text-secondary); font-size: .88rem; margin: 0 0 .6rem; }

/* Rule chain */
.convertisseur-tool .rule-chain {
  display: flex; align-items: center; flex-wrap: wrap; justify-content: center;
  gap: .55rem; padding: .8rem 1rem; background: var(--ow-bg-secondary);
  border: 1px solid rgba(124, 92, 255, 0.15); border-radius: var(--radius-sm);
}
.convertisseur-tool .rule-chain .unit {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.8rem; height: 2.4rem; padding: .25rem .6rem;
  font: 900 .95rem var(--font-mono); color: #fff;
  background: var(--ow-gradient-main); border-radius: var(--radius-xs);
  box-shadow: 0 4px 14px var(--ow-glow);
}
.convertisseur-tool .rule-chain .arrow {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .35rem .75rem; min-height: 2rem; font-weight: 900; font-size: .85rem;
  border-radius: 999px; background: rgba(124, 92, 255, 0.18);
  color: var(--ow-accent); border: 1px solid rgba(124, 92, 255, 0.3);
}
.convertisseur-tool .rule-chain.reverse .arrow {
  background: rgba(46, 229, 255, 0.12); border-color: rgba(46, 229, 255, 0.25);
}

/* Exemples */
.convertisseur-tool .example-item {
  background: rgba(11, 16, 32, 0.6); border: 1px solid var(--ow-border);
  border-radius: var(--radius-xs); padding: .9rem; margin-bottom: .75rem;
}
.convertisseur-tool .example-item:last-child { margin-bottom: 0; }
.convertisseur-tool .example-title { color: var(--ow-accent); font-weight: 700; font-size: .82rem; margin: 0 0 .55rem; }
.convertisseur-tool .example-start,
.convertisseur-tool .example-result {
  font-family: var(--font-mono); font-weight: 700; text-align: center;
  border-radius: var(--radius-xs); padding: .5rem;
}
.convertisseur-tool .example-start {
  background: rgba(124, 92, 255, 0.1); border: 1px solid rgba(124, 92, 255, 0.2);
  color: var(--ow-text); margin-bottom: .35rem;
}
.convertisseur-tool .example-result {
  background: var(--ow-gradient-main); color: #fff; box-shadow: 0 4px 14px var(--ow-glow);
}

/* ── 6) SECTIONS PÉDAGOGIQUES ────────────────────────────── */
.convertisseur-tool .content-section { padding: 24px 0; }

/* Intro / Bloc texte */
.convertisseur-tool .content-block {
  background: linear-gradient(145deg, rgba(124, 92, 255, 0.06), rgba(46, 229, 255, 0.02));
  border: 1px solid var(--ow-border); border-radius: var(--radius);
  padding: 1.5rem; margin-bottom: 1.5rem; position: relative; overflow: hidden;
}
.convertisseur-tool .content-block::after {
  content: ""; position: absolute; left: 8%; right: 8%; top: 0; height: 1px;
  background: var(--ow-edge-gradient); opacity: 0.45; pointer-events: none;
}
.convertisseur-tool .content-title {
  font-size: clamp(1.1rem, 3vw, 1.35rem); font-weight: 800; color: var(--ow-text);
  margin: 0 0 .9rem; display: flex; align-items: center; gap: .5rem;
}
.convertisseur-tool .content-text {
  font-size: .9rem; color: var(--ow-text-secondary); line-height: 1.7; margin: 0 0 .75rem;
}
.convertisseur-tool .content-text:last-child { margin-bottom: 0; }
.convertisseur-tool .content-text strong { color: var(--ow-text); }

/* Audience – 4 cartes */
.convertisseur-tool .audience-grid { display: grid; grid-template-columns: 1fr; gap: .75rem; margin-top: 1.25rem; }
.convertisseur-tool .audience-card {
  background: rgba(124, 92, 255, 0.05); border: 1px solid rgba(124, 92, 255, 0.15);
  border-radius: var(--radius-sm); padding: 1rem; display: flex; gap: .75rem; align-items: flex-start;
  transition: var(--transition-fast);
}
.convertisseur-tool .audience-card:hover { background: rgba(124, 92, 255, 0.1); border-color: rgba(124, 92, 255, 0.3); }
.convertisseur-tool .audience-icon {
  font-size: 1.4rem; flex-shrink: 0; width: 2.4rem; height: 2.4rem;
  background: rgba(124, 92, 255, 0.1); border-radius: var(--radius-xs);
  display: flex; align-items: center; justify-content: center;
}
.convertisseur-tool .audience-content h4 { font-size: .88rem; font-weight: 700; color: var(--ow-text); margin: 0 0 .2rem; }
.convertisseur-tool .audience-content p { font-size: .8rem; color: var(--ow-text-secondary); line-height: 1.5; margin: 0; }

/* Étapes */
.convertisseur-tool .steps-grid { display: grid; grid-template-columns: 1fr; gap: .75rem; }
.convertisseur-tool .step-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: rgba(11, 16, 32, 0.6); border: 1px solid var(--ow-border);
  border-radius: var(--radius-sm); padding: 1rem; transition: var(--transition-fast);
}
.convertisseur-tool .step-card:hover { border-color: rgba(124, 92, 255, 0.25); background: rgba(124, 92, 255, 0.04); }
.convertisseur-tool .step-number {
  flex-shrink: 0; width: 2rem; height: 2rem;
  background: var(--ow-gradient-main); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font: 700 .8rem var(--font-mono); color: #fff; box-shadow: 0 4px 12px var(--ow-glow);
}
.convertisseur-tool .step-content h4 { font-size: .88rem; font-weight: 700; color: var(--ow-text); margin: 0 0 .25rem; }
.convertisseur-tool .step-content p { font-size: .82rem; color: var(--ow-text-secondary); line-height: 1.5; margin: 0; }

/* Bénéfices */
.convertisseur-tool .benefits-grid { display: grid; grid-template-columns: 1fr; gap: .75rem; }
.convertisseur-tool .benefit-card {
  background: rgba(11, 16, 32, 0.5); border: 1px solid var(--ow-border);
  border-left: 3px solid var(--ow-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: .9rem 1rem;
  transition: var(--transition-fast);
}
.convertisseur-tool .benefit-card:hover { background: rgba(124, 92, 255, 0.06); border-left-color: var(--ow-accent); }
.convertisseur-tool .benefit-card h4 { font-size: .88rem; font-weight: 700; color: var(--ow-accent); margin: 0 0 .25rem; }
.convertisseur-tool .benefit-card p { font-size: .82rem; color: var(--ow-text-secondary); line-height: 1.5; margin: 0; }

/* Progression pédagogique */
.convertisseur-tool .progression-grid { display: grid; grid-template-columns: 1fr; gap: .85rem; }
.convertisseur-tool .level-card {
  background: linear-gradient(145deg, rgba(124, 92, 255, 0.05), rgba(46, 229, 255, 0.02));
  border: 1px solid var(--ow-border); border-radius: var(--radius-sm);
  padding: 1.1rem; position: relative;
}
.convertisseur-tool .level-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .25rem .65rem; border-radius: 999px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; margin-bottom: .6rem;
}
.convertisseur-tool .level-badge.beginner  { background: rgba(46, 229, 255, 0.12);  color: var(--ow-accent);  border: 1px solid rgba(46, 229, 255, 0.25); }
.convertisseur-tool .level-badge.intermediate { background: rgba(124, 92, 255, 0.12); color: #a78bfa; border: 1px solid rgba(124, 92, 255, 0.25); }
.convertisseur-tool .level-badge.advanced  { background: rgba(124, 92, 255, 0.22);  color: #c4b5fd; border: 1px solid rgba(124, 92, 255, 0.45); }
.convertisseur-tool .level-card h4 { font-size: .9rem; font-weight: 700; color: var(--ow-text); margin: 0 0 .3rem; }
.convertisseur-tool .level-card p { font-size: .82rem; color: var(--ow-text-secondary); line-height: 1.55; margin: 0; }

/* Compétences */
.convertisseur-tool .skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; }
.convertisseur-tool .skill-item {
  display: flex; align-items: center; gap: .6rem;
  background: rgba(124, 92, 255, 0.05); border: 1px solid rgba(124, 92, 255, 0.15);
  border-radius: var(--radius-xs); padding: .7rem; transition: var(--transition-fast);
}
.convertisseur-tool .skill-item:hover { background: rgba(124, 92, 255, 0.1); border-color: rgba(124, 92, 255, 0.3); }
.convertisseur-tool .skill-icon { font-size: 1.1rem; flex-shrink: 0; }
.convertisseur-tool .skill-text { font-size: .8rem; font-weight: 600; color: var(--ow-text-secondary); line-height: 1.3; }

/* FAQ accordion */
.convertisseur-tool .faq-list { display: flex; flex-direction: column; gap: .65rem; }
.convertisseur-tool .faq-item {
  background: rgba(11, 16, 32, 0.6); border: 1px solid var(--ow-border);
  border-radius: var(--radius-sm); overflow: hidden; transition: border-color .2s;
}
.convertisseur-tool .faq-item.open { border-color: rgba(124, 92, 255, 0.3); }
.convertisseur-tool .faq-question {
  width: 100%; text-align: left; padding: .9rem 1rem;
  background: transparent; border: none; color: var(--ow-text);
  font-size: .9rem; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  gap: .75rem; transition: var(--transition-fast); font-family: var(--font-primary);
}
.convertisseur-tool .faq-question:hover { color: var(--ow-accent); }
.convertisseur-tool .faq-icon {
  flex-shrink: 0; width: 1.5rem; height: 1.5rem;
  background: rgba(124, 92, 255, 0.1); border: 1px solid rgba(124, 92, 255, 0.2);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 900; color: var(--ow-primary);
  transition: transform .3s ease, background .2s;
}
.convertisseur-tool .faq-item.open .faq-icon {
  transform: rotate(45deg); background: rgba(124, 92, 255, 0.2); color: var(--ow-accent);
}
.convertisseur-tool .faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.convertisseur-tool .faq-item.open .faq-answer { max-height: 500px; }
.convertisseur-tool .faq-answer-inner {
  padding: .75rem 1rem 1rem; font-size: .86rem; color: var(--ow-text-secondary);
  line-height: 1.65; border-top: 1px solid var(--ow-border);
}
.convertisseur-tool .faq-answer-inner strong { color: var(--ow-accent); }
.convertisseur-tool .faq-answer-inner ul { margin: .5rem 0 0; padding-left: 1.25rem; }
.convertisseur-tool .faq-answer-inner li { margin-bottom: .3rem; }

/* ── 7) VIDÉO ────────────────────────────────────────────── */
.convertisseur-tool .video-section { padding: 16px 0 24px; }
.convertisseur-tool .video-card {
  background: linear-gradient(145deg, rgba(124, 92, 255, 0.06), rgba(46, 229, 255, 0.02));
  border: 1px solid var(--ow-border); border-radius: var(--radius);
  padding: 1.25rem; box-shadow: var(--shadow), var(--shadow-glow);
  text-align: center; position: relative; overflow: hidden;
}
.convertisseur-tool .video-card::after {
  content: ""; position: absolute; left: 8%; right: 8%; top: 0; height: 1px;
  background: var(--ow-edge-gradient); opacity: 0.45; pointer-events: none;
}
.convertisseur-tool .video-description { color: var(--ow-text-secondary); font-size: .95rem; margin: 0 0 1.1rem; }
.convertisseur-tool .video-embed {
  position: relative; width: 100%; height: 0; padding-bottom: 56.25%;
  background: var(--ow-bg-secondary); border-radius: var(--radius-sm);
  overflow: hidden; margin: 0 0 .9rem; border: 1px solid rgba(124, 92, 255, 0.15);
}
.convertisseur-tool .video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.convertisseur-tool .video-credits {
  background: rgba(7, 10, 18, 0.6); border: 1px solid var(--ow-border);
  border-radius: var(--radius-xs); padding: .75rem; color: var(--ow-muted); font-size: .78rem; text-align: left;
}

/* ── 8) RESPONSIVE ───────────────────────────────────────── */
@media (min-width: 480px) {
  .convertisseur-tool .chips { grid-template-columns: 1fr 1fr; }
  .convertisseur-tool .audience-grid { grid-template-columns: 1fr 1fr; }
  .convertisseur-tool .steps-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 768px) {
  .convertisseur-tool { max-width: min(1200px, 94vw); }
  .convertisseur-tool .hero-convertisseur { padding: 32px 0 20px; }
  .convertisseur-tool .hero-content { max-width: 760px; }
  .convertisseur-tool .hero-title { font-size: clamp(2rem, 3.6vw, 2.8rem); }
  .convertisseur-tool .hero-description { max-width: 58ch; }
  .convertisseur-tool .control-group { grid-template-columns: 1.3fr 1fr; gap: 1.25rem; }
  /* Table desktop */
  .convertisseur-tool .conversion-table thead { display: table-header-group; }
  .convertisseur-tool .conversion-table { width: 100%; border-collapse: collapse; }
  .convertisseur-tool .conversion-table tr { display: table-row; background: transparent; border: none; border-radius: 0; margin: 0; }
  .convertisseur-tool .unit-cell,
  .convertisseur-tool .value-cell,
  .convertisseur-tool .action-cell {
    display: table-cell; padding: clamp(.75rem, 2vw, 1.1rem); vertical-align: middle; border-bottom: 1px solid var(--ow-border);
  }
  .convertisseur-tool .conversion-table thead th {
    background: rgba(7, 10, 18, 0.7); color: var(--ow-muted); font-weight: 700; font-size: .85rem;
    padding: .9rem 1rem; text-align: left; position: sticky; top: 0; z-index: 2;
    border-bottom: 1px solid rgba(124, 92, 255, 0.2); letter-spacing: .3px;
  }
  .convertisseur-tool .unit-row:hover { background: rgba(124, 92, 255, 0.04); }
  .convertisseur-tool .stepper-controls { flex-direction: row; gap: .35rem; }
  .convertisseur-tool .copy-btn, .convertisseur-tool .reset-btn { width: auto; min-height: 44px; }
  .convertisseur-tool .footer-controls { flex-direction: row; align-items: center; justify-content: space-between; }
  .convertisseur-tool .rules-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .convertisseur-tool .benefits-grid { grid-template-columns: 1fr 1fr; }
  .convertisseur-tool .progression-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (min-width: 1024px) {
  .convertisseur-tool .hero-convertisseur { padding: 48px 0 28px; }
  .convertisseur-tool .hero-content { max-width: 1000px; }
  .convertisseur-tool .hero-title { font-size: clamp(2.4rem, 3.2vw, 3.2rem); }
  .convertisseur-tool .hero-description { max-width: 64ch; }
  .convertisseur-tool .hero-features { flex-direction: row; justify-content: center; flex-wrap: wrap; gap: .75rem; max-width: 1000px; }
  .convertisseur-tool .audience-grid { grid-template-columns: repeat(4, 1fr); }
  .convertisseur-tool .steps-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── 9) ACCESSIBILITÉ ────────────────────────────────────── */
.convertisseur-tool :focus { outline: none; }
.convertisseur-tool :focus-visible { outline: 2px solid var(--ow-primary); outline-offset: 3px; border-radius: var(--radius-xs); }
@media (prefers-reduced-motion: reduce) {
  .convertisseur-tool * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media (prefers-contrast: more), (prefers-contrast: high) {
  .convertisseur-tool { --ow-border: rgba(255,255,255,.4); --ow-border-accent: rgba(124, 92, 255, 0.7); }
}

/* ── 10) IMPRESSION ──────────────────────────────────────── */
@media print {
  .convertisseur-tool .hero-convertisseur, .convertisseur-tool .video-section { display: none; }
  .convertisseur-tool .converter-card, .convertisseur-tool .rules-card, .convertisseur-tool .examples-card {
    background: #fff !important; color: #000 !important; box-shadow: none !important; border: 1px solid #ccc !important;
  }
  .convertisseur-tool .stepper-controls, .convertisseur-tool .copy-btn, .convertisseur-tool .reset-btn { display: none !important; }
}

/* ── 11) MOBILE SAFE ─────────────────────────────────────── */
@media (max-width: 768px) {
  .convertisseur-tool { overflow-x: clip; }
  .convertisseur-tool .unit-cell,
  .convertisseur-tool .value-cell,
  .convertisseur-tool .action-cell { padding-inline: 12px; }
  .convertisseur-tool img, .convertisseur-tool video, .convertisseur-tool iframe { display: block; max-width: 100%; }
}
@media (max-width: 400px) {
  .convertisseur-tool .range-wrapper output { min-width: 56px; }
  .convertisseur-tool .chip { min-height: 46px; }
  .convertisseur-tool .skills-grid { grid-template-columns: 1fr; }
}