/* ================================================
   QUANTSTONE : pages outils (/fr/outils/, /en/tools/)
   Chargé APRÈS blog.css, dont il reprend les tokens,
   la navbar, le footer et les styles d'article : même
   charte que le blog, seuls les composants d'outil
   sont définis ici.
   ================================================ */

:root {
  color-scheme: dark; /* contrôles natifs (select, date, barres de défilement) en sombre */
  --danger: #ff6b81;
  --danger-dim: rgba(255, 107, 129, 0.12);
  --warn: #fbbf24;
  --warn-dim: rgba(251, 191, 36, 0.12);
  --field-bg: #0a0f1a;
}

/* L'attribut hidden doit gagner sur les display: flex/grid des composants. */
[data-qsbt] [hidden] { display: none !important; }

/* --- Page ---------------------------------------------------------------- */
.tool-page { padding: 112px 0 72px; }

.container--tool { max-width: 1040px; }

.tool-topline {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}

.tool-topline .article-breadcrumb { margin-bottom: 0; min-width: 0; }

.tool-lang { flex-shrink: 0; font-size: 13px; font-weight: 600; }

.tool-hero { margin-bottom: 28px; }

.tool-hero__kicker {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.tool-hero__title {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -1.4px;
  line-height: 1.08;
  margin-bottom: 16px;
  max-width: 920px;
}

.tool-hero__lead {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 780px;
  margin-bottom: 18px;
}

.tool-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-badges li {
  font-size: 13px;
  color: var(--text-primary);
  background: var(--cyan-dim);
  border: 1px solid var(--border-hover);
  border-radius: 999px;
  padding: 6px 14px;
}

.tool-badges li::before {
  content: '\2713';
  color: var(--cyan);
  font-weight: 700;
  margin-right: 8px;
}

/* --- Carte de l'outil ---------------------------------------------------- */
.qsbt {
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  padding: 28px;
  margin: 8px 0 56px;
  scroll-margin-top: 96px;
}

.qsbt__title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}

.qsbt__tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  background: var(--field-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 5px;
  margin-bottom: 22px;
}

.qsbt__tab {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.qsbt__tab:hover { color: var(--text-primary); }
.qsbt__tab.is-active { background: var(--grad-cyan); color: #fff; }
.qsbt__tab:focus-visible,
.qsbt-chip-btn:focus-visible,
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* zone de dépôt */
.qsbt-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  padding: 34px 20px;
  border: 1.5px dashed rgba(0, 212, 255, 0.35);
  border-radius: 18px;
  background: rgba(0, 212, 255, 0.03);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.qsbt-drop:hover,
.qsbt-drop.is-over,
.qsbt-drop:focus-within {
  border-color: var(--cyan);
  background: var(--cyan-dim);
}

.qsbt-drop__icon { width: 40px; height: 40px; color: var(--cyan); margin-bottom: 4px; }
.qsbt-drop__title { font-weight: 700; font-size: 16px; color: var(--text-primary); }
.qsbt-drop__hint { font-size: 13px; color: var(--text-secondary); }
.qsbt-drop__privacy { font-size: 12px; color: var(--text-muted); }

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

.qsbt-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 14px 0 24px;
}

.qsbt-chip-btn {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--border-hover);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
}

.qsbt-chip-btn:hover { background: var(--cyan-dim); }

/* champs */
.qsbt-settings {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 20px;
}

.qsbt-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.qsbt-field__label { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.qsbt-field__help { font-size: 12px; line-height: 1.45; color: var(--text-muted); }
.qsbt-field--submit { justify-content: flex-end; }
.qsbt-field--submit .btn { width: 100%; }

.qsbt-input { position: relative; display: flex; align-items: center; }

.qsbt-input input,
.qsbt-input select,
.qsbt-share input {
  width: 100%;
  height: 46px;
  background: var(--field-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
  border-radius: 10px;
  padding: 0 64px 0 14px;
  font-family: var(--font);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.qsbt-input select { padding-right: 14px; cursor: pointer; }
.qsbt-share input { padding-right: 14px; font-size: 13px; }

.qsbt-input input:focus,
.qsbt-input select:focus,
.qsbt-share input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.qsbt-input__unit {
  position: absolute;
  right: 14px;
  font-size: 13px;
  color: var(--text-muted);
  pointer-events: none;
}

.qsbt-input input::-webkit-outer-spin-button,
.qsbt-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qsbt-input input[type='number'] { -moz-appearance: textfield; appearance: textfield; }

.btn--ghost {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--border-hover);
  box-shadow: none;
}

.btn--ghost:hover { background: var(--cyan-dim); text-decoration: none; }

.qsbt-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

/* état */
.qsbt-status { min-height: 22px; margin-top: 18px; font-size: 14px; color: var(--text-secondary); scroll-margin-top: 92px; }
.qsbt-status.is-error { color: var(--danger); }
.qsbt-status.is-warn { color: var(--warn); }

.qsbt-status.is-busy::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 8px;
  vertical-align: -1px;
  border: 2px solid var(--cyan-dim);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: qsbt-spin 0.8s linear infinite;
}

@keyframes qsbt-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .qsbt-status.is-busy::before { animation: none; }
}

/* résultats */
.qsbt-results { margin-top: 20px; padding-top: 24px; border-top: 1px solid var(--border); }

.qsbt-summary { display: flex; flex-wrap: wrap; gap: 8px; }

.qsbt-chip {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--field-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 11px;
}

.qsbt-summary__text { font-size: 14px; color: var(--text-secondary); }

.qsbt-chip--demo { color: var(--warn); border-color: rgba(251, 191, 36, 0.4); }

.qsbt-h3 { font-size: 17px; font-weight: 700; margin: 24px 0 12px; }

.qsbt-alerts { display: grid; gap: 10px; }

.qsbt-alert {
  background: rgba(10, 15, 26, 0.7);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: 12px;
  padding: 12px 16px;
}

.qsbt-alert--critical { border-left-color: var(--danger); }
.qsbt-alert--warning { border-left-color: var(--warn); }

.qsbt-alert__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; }

.qsbt-alert__level {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border-radius: 999px;
  padding: 2px 8px;
}

.qsbt-alert--critical .qsbt-alert__level { color: var(--danger); background: var(--danger-dim); }
.qsbt-alert--warning .qsbt-alert__level { color: var(--warn); background: var(--warn-dim); }

.qsbt-alert__title { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.qsbt-alert__body { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

.qsbt-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

.qsbt-kpi {
  background: var(--field-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.qsbt-kpi__label { font-size: 12px; font-weight: 600; color: var(--text-secondary); }

.qsbt-kpi__value {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin: 6px 0 4px;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.qsbt-kpi__sub { font-size: 12px; line-height: 1.45; color: var(--text-muted); }
.qsbt-kpi--danger .qsbt-kpi__value { color: var(--danger); }
.qsbt-kpi--warn .qsbt-kpi__value { color: var(--warn); }

.qsbt-figure {
  margin: 14px 0 0;
  background: var(--field-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 14px 12px;
}

.qsbt-figure figcaption { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.qsbt-svg { display: block; width: 100%; height: auto; }
.qsbt-bar { fill: rgba(0, 212, 255, 0.55); }
.qsbt-bar--beyond { fill: rgba(255, 107, 129, 0.75); }
.qsbt-axis { stroke: rgba(255, 255, 255, 0.16); stroke-width: 1; }
.qsbt-tick { fill: var(--text-muted); font-family: var(--font); font-size: 11px; }
.qsbt-mark { stroke-width: 1.5; }
.qsbt-mark--thr { stroke: var(--danger); stroke-dasharray: 5 4; }
.qsbt-mark--p50 { stroke: var(--text-primary); stroke-dasharray: 2 3; }
.qsbt-mark--p95 { stroke: var(--warn); stroke-dasharray: 2 3; }
.qsbt-mark-label { font-family: var(--font); font-size: 11px; font-weight: 700; }
.qsbt-mark-label--thr { fill: var(--danger); }
.qsbt-mark-label--p50 { fill: var(--text-primary); }
.qsbt-mark-label--p95 { fill: var(--warn); }
.qsbt-under-area { fill: rgba(255, 107, 129, 0.16); }
.qsbt-under-line { fill: none; stroke: var(--danger); stroke-width: 1.5; stroke-linejoin: round; }

.qsbt-note { font-size: 13px; color: var(--text-secondary); margin-top: 14px; }

.qsbt-share { margin-top: 20px; }
.qsbt-share__row { display: flex; gap: 10px; margin-top: 8px; }
.qsbt-share__row input { flex: 1; min-width: 0; }
.qsbt-share__row .btn { flex-shrink: 0; padding: 12px 20px; }

.qsbt-risk { font-size: 11px; line-height: 1.6; color: var(--text-muted); margin-top: 18px; }

/* --- Contenu éditorial ------------------------------------------------- */
.tool-content { max-width: 780px; }
.tool-content h2:first-child { margin-top: 0; }
.tool-content ol { margin: 0 0 16px 22px; }
.tool-content table { max-width: 420px; }

.tool-section-narrow { max-width: 780px; }

.tool-risk {
  margin-top: 48px;
  padding: 22px 26px;
  background: rgba(15, 23, 41, 0.5);
  border: 1px solid var(--border);
  border-radius: 14px;
  max-width: 780px;
}

.tool-risk h2 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.tool-risk p { font-size: 13px; color: var(--text-secondary); }

/* --- Hub des outils ---------------------------------------------------- */
.tool-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 8px;
}

.tool-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  padding: 26px;
  color: var(--text-primary);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.tool-card:hover { transform: translateY(-3px); border-color: var(--cyan-glow); text-decoration: none; }
.tool-card__kicker { color: var(--cyan); font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.tool-card__title { font-size: 21px; font-weight: 800; letter-spacing: -0.4px; margin: 8px 0; line-height: 1.25; }
.tool-card__desc { color: var(--text-secondary); font-size: 14px; margin-bottom: 14px; }
.tool-card__link { color: var(--cyan); font-size: 13px; font-weight: 700; }

/* --- Responsive -------------------------------------------------------- */
@media (max-width: 900px) {
  .qsbt-settings { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .qsbt-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-hero__title { font-size: 36px; }
  .tool-cards { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .tool-page { padding-top: 100px; }
  .container--tool { padding: 0 16px; }
  .tool-topline { flex-direction: column; gap: 6px; }
  .tool-hero__title { font-size: 30px; letter-spacing: -0.8px; }
  .tool-hero__lead { font-size: 16px; }
  .qsbt { padding: 20px 16px; border-radius: 18px; }
  .qsbt__tabs { display: flex; }
  .qsbt__tab { flex: 1 1 auto; padding: 10px 12px; }
  .qsbt-settings, .qsbt-kpis { grid-template-columns: 1fr; }
  .qsbt-kpi__value { font-size: 26px; }
  .qsbt-share__row { flex-direction: column; }
  .tool-risk { padding: 18px; }
}