/* ===================================================================
   SOA Gradient Generator — soa-gradient-gen.css v1.0.0
   =================================================================== */

/* ── Variables SOA ──────────────────────────────────────────────── */
.soa-grad {
  --soa-purple:  #6c63ff;
  --soa-blue:    #4a90d9;
  --soa-green:   #27ae60;
  --soa-grad-h:  radial-gradient(ellipse at top left, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
  --soa-text:    #e8e8f0;
  --soa-muted:   #9999bb;
  --soa-panel:   #1e2433;
  --soa-border:  #2a3050;
  --soa-surface: #252d40;
  --soa-hover:   rgba(108,99,255,.12);

  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--soa-text);
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.5rem;
  box-sizing: border-box;
}

.soa-grad *, .soa-grad *::before, .soa-grad *::after { box-sizing: border-box; }

/* ── Damier (transparence) ──────────────────────────────────────── */
.soa-grad__bar-checker,
.soa-grad__preview-checker {
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 14px 14px;
  background-position: 0 0, 0 7px, 7px -7px, -7px 0;
  border-radius: 10px;
  overflow: hidden;
}

/* ── Carte / Hero ───────────────────────────────────────────────── */
.soa-grad__card {
  background: var(--soa-grad-h);
  border-radius: 16px;
  padding: 2rem 2.5rem 1.8rem;
  margin-bottom: 1.2rem;
}

.soa-grad__eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--soa-purple);
  margin-bottom: .5rem;
}

.soa-grad__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  margin: 0 0 .4rem;
  line-height: 1.2;
  background: linear-gradient(135deg, #fff 30%, #a89dff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.soa-grad__subtitle {
  font-size: .88rem;
  color: var(--soa-muted);
  margin: 0;
  line-height: 1.5;
}

/* ── Plan de travail ────────────────────────────────────────────── */
.soa-grad__workspace {
  background: var(--soa-panel);
  border: 1px solid var(--soa-border);
  border-radius: 12px;
  padding: 1.4rem 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

/* ── Barre de dégradé ───────────────────────────────────────────── */
.soa-grad__bar-section { display: flex; flex-direction: column; gap: .5rem; }

.soa-grad__bar {
  height: 72px;
  cursor: crosshair;
  border-radius: 10px;
  transition: height .15s;
}
.soa-grad__bar:hover { height: 78px; }

/* Rail des curseurs */
.soa-grad__stops-rail {
  position: relative;
  height: 36px;
  margin: 0 12px; /* aligner avec la barre (la moitié des handles) */
}

/* Indice sous la barre */
.soa-grad__bar-hint {
  font-size: .7rem;
  color: var(--soa-muted);
  text-align: center;
  margin: 0;
  padding: 0;
  user-select: none;
}

/* ── Handle (marqueur de point de couleur) ──────────────────────── */
.soa-grad__handle {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: 24px;
  cursor: grab;
  display: flex;
  flex-direction: column;
  align-items: center;
  touch-action: none;
  user-select: none;
  z-index: 2;
}
.soa-grad__handle:active { cursor: grabbing; }

/* Petit triangle pointant vers le haut */
.soa-grad__handle-tip {
  width: 0;
  height: 0;
  border-left:  6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 7px solid var(--soa-border);
  transition: border-bottom-color .12s;
}
.soa-grad__handle--active .soa-grad__handle-tip { border-bottom-color: var(--soa-purple); }

/* Pastille colorée */
.soa-grad__handle-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.6);
  box-shadow: 0 1px 4px rgba(0,0,0,.5);
  transition: border-color .12s, box-shadow .12s, transform .12s;
  position: relative;
}
.soa-grad__handle:hover .soa-grad__handle-dot,
.soa-grad__handle--active .soa-grad__handle-dot {
  border-color: #fff;
  box-shadow: 0 0 0 3px var(--soa-purple), 0 2px 6px rgba(0,0,0,.5);
  transform: scale(1.12);
}

/* Croix de suppression (visible au survol / sélection) */
.soa-grad__handle-del {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #e74c3c;
  color: #fff;
  font-size: 9px;
  line-height: 14px;
  text-align: center;
  font-weight: 900;
  border: 1.5px solid var(--soa-panel);
  opacity: 0;
  pointer-events: none;
  transition: opacity .12s;
  cursor: pointer;
}
.soa-grad__handle:hover .soa-grad__handle-del,
.soa-grad__handle--active .soa-grad__handle-del {
  opacity: 1;
  pointer-events: auto;
}

/* ── Grille principale ──────────────────────────────────────────── */
.soa-grad__main {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.4rem;
  align-items: start;
}

/* ── Groupes de contrôles ───────────────────────────────────────── */
.soa-grad__controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.soa-grad__group {
  background: var(--soa-surface);
  border: 1px solid var(--soa-border);
  border-radius: 8px;
  padding: .85rem 1rem;
}

.soa-grad__group-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--soa-purple);
  margin-bottom: .55rem;
}

/* Boutons type */
.soa-grad__type-row,
.soa-grad__shape-row {
  display: flex;
  gap: .35rem;
}

.soa-grad__type-btn,
.soa-grad__shape-btn {
  flex: 1;
  background: transparent;
  border: 1px solid var(--soa-border);
  color: var(--soa-muted);
  font-size: .78rem;
  font-weight: 600;
  padding: .38rem .5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all .15s;
}
.soa-grad__type-btn:hover,
.soa-grad__shape-btn:hover { background: var(--soa-hover); color: #fff; border-color: #4a5070; }

.soa-grad__type-btn--active,
.soa-grad__shape-btn--active {
  background: rgba(108,99,255,.22);
  border-color: var(--soa-purple);
  color: var(--soa-purple);
}

/* ── Roue d'angle ───────────────────────────────────────────────── */
.soa-grad__angle-wrap {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}

.soa-grad__wheel {
  cursor: grab;
  flex-shrink: 0;
}
.soa-grad__wheel:active { cursor: grabbing; }

.soa-grad__wheel-track {
  fill: none;
  stroke: var(--soa-border);
  stroke-width: 2.5;
}
.soa-grad__wheel-needle {
  stroke: var(--soa-purple);
  stroke-width: 2;
  stroke-linecap: round;
}
.soa-grad__wheel-dot {
  fill: var(--soa-purple);
}

/* ── Sliders et inputs ──────────────────────────────────────────── */
.soa-grad__angle-slider,
.soa-grad__cx-slider,
.soa-grad__cy-slider,
.soa-grad__stop-opa-slider,
.soa-grad__stop-pos-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--soa-border);
  outline: none;
  min-width: 0;
  cursor: pointer;
}
.soa-grad__angle-slider::-webkit-slider-thumb,
.soa-grad__cx-slider::-webkit-slider-thumb,
.soa-grad__cy-slider::-webkit-slider-thumb,
.soa-grad__stop-opa-slider::-webkit-slider-thumb,
.soa-grad__stop-pos-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--soa-purple);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.4);
}

.soa-grad__angle-num,
.soa-grad__cx-num,
.soa-grad__cy-num,
.soa-grad__stop-opa-num,
.soa-grad__stop-pos-num {
  width: 50px;
  background: var(--soa-panel);
  border: 1px solid var(--soa-border);
  color: var(--soa-text);
  font-size: .78rem;
  padding: .25rem .35rem;
  border-radius: 5px;
  text-align: right;
  outline: none;
  flex-shrink: 0;
}
.soa-grad__angle-num:focus,
.soa-grad__cx-num:focus,
.soa-grad__cy-num:focus,
.soa-grad__stop-opa-num:focus,
.soa-grad__stop-pos-num:focus { border-color: var(--soa-purple); }

.soa-grad__unit,
.soa-grad__axis-lbl,
.soa-grad__row-lbl {
  font-size: .76rem;
  color: var(--soa-muted);
  flex-shrink: 0;
  user-select: none;
}
.soa-grad__row-lbl { min-width: 52px; }

.soa-grad__slider-row {
  display: flex;
  align-items: center;
  gap: .45rem;
  margin-top: .45rem;
}

/* ── Éditeur de point ───────────────────────────────────────────── */
.soa-grad__no-stop {
  font-size: .8rem;
  color: var(--soa-muted);
  font-style: italic;
  margin: 0;
  text-align: center;
  padding: .3rem 0;
}

.soa-grad__color-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: .5rem;
}

.soa-grad__color-preview-wrap {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid var(--soa-border);
  flex-shrink: 0;
  cursor: pointer;
}

.soa-grad__stop-color-pick {
  width: 100%;
  height: 100%;
  border: none;
  padding: 0;
  cursor: pointer;
  background: none;
  -webkit-appearance: none;
}
.soa-grad__stop-color-pick::-webkit-color-swatch-wrapper { padding: 0; }
.soa-grad__stop-color-pick::-webkit-color-swatch         { border: none; border-radius: 4px; }

.soa-grad__stop-hex {
  flex: 1;
  background: var(--soa-panel);
  border: 1px solid var(--soa-border);
  color: var(--soa-text);
  font-family: 'Consolas', monospace;
  font-size: .85rem;
  padding: .3rem .5rem;
  border-radius: 5px;
  outline: none;
  text-transform: uppercase;
}
.soa-grad__stop-hex:focus { border-color: var(--soa-purple); }

/* Bouton supprimer le point */
.soa-grad__stop-del {
  width: 100%;
  margin-top: .7rem;
  background: rgba(231,76,60,.1);
  border: 1px solid rgba(231,76,60,.35);
  color: #ff8a8a;
  font-size: .78rem;
  padding: .38rem .6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all .15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  flex-wrap: wrap;
}
.soa-grad__stop-del:hover { background: rgba(231,76,60,.2); border-color: #ff8a8a; }
.soa-grad__stop-del:disabled {
  opacity: .4;
  cursor: not-allowed;
}

.soa-grad__min-note {
  font-size: .68rem;
  color: var(--soa-muted);
  font-weight: 400;
}

/* ── Préréglages ────────────────────────────────────────────────── */
.soa-grad__presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .45rem;
}

.soa-grad__preset {
  height: 40px;
  border-radius: 7px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color .15s, transform .15s, box-shadow .15s;
  position: relative;
  overflow: hidden;
}
.soa-grad__preset:hover {
  border-color: rgba(255,255,255,.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}
.soa-grad__preset--active { border-color: var(--soa-purple) !important; }

.soa-grad__preset-name {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 3px;
  font-size: .6rem;
  font-weight: 700;
  color: rgba(255,255,255,.9);
  text-shadow: 0 1px 3px rgba(0,0,0,.8);
  background: linear-gradient(transparent 50%, rgba(0,0,0,.3));
  opacity: 0;
  transition: opacity .15s;
}
.soa-grad__preset:hover .soa-grad__preset-name { opacity: 1; }

/* ── Sidebar droite ─────────────────────────────────────────────── */
.soa-grad__sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* ── Aperçu ─────────────────────────────────────────────────────── */
.soa-grad__preview-group .soa-grad__group-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--soa-purple);
  margin-bottom: .5rem;
}

.soa-grad__preview-checker { border-radius: 10px; overflow: hidden; }

.soa-grad__preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 160px;
  border-radius: 10px;
  transition: background .1s;
}

/* ── Sortie CSS ─────────────────────────────────────────────────── */
.soa-grad__output-group .soa-grad__group-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--soa-purple);
  margin-bottom: .5rem;
}

.soa-grad__code-block {
  background: #111622;
  border: 1px solid var(--soa-border);
  border-radius: 8px;
  padding: .85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  margin-bottom: .8rem;
  overflow-x: auto;
}

.soa-grad__code-line {
  font: .82rem/1.4 'Consolas', 'Courier New', monospace;
  white-space: nowrap;
  display: flex;
  gap: .15rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.soa-grad__prop  { color: #79b8ff; }
.soa-grad__colon { color: var(--soa-muted); }
.soa-grad__semi  { color: var(--soa-muted); }
.soa-grad__val   { color: #85e89d; word-break: break-all; white-space: normal; }

/* Boutons d'action */
.soa-grad__btn-row {
  display: flex;
  gap: .45rem;
  flex-wrap: wrap;
}

.soa-grad__btn-copy,
.soa-grad__btn-download,
.soa-grad__btn-reset {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--soa-border);
  color: var(--soa-text);
  font-size: .78rem;
  padding: .38rem .8rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.soa-grad__btn-copy:hover,
.soa-grad__btn-download:hover { background: rgba(255,255,255,.11); border-color: #4a5070; }

.soa-grad__btn-copy     { color: #6effa0; border-color: rgba(110,255,160,.3); }
.soa-grad__btn-copy:hover { background: rgba(110,255,160,.09); border-color: #6effa0; }

.soa-grad__btn-reset    { color: #ff8a8a; border-color: rgba(255,138,138,.3); }
.soa-grad__btn-reset:hover { background: rgba(255,138,138,.1); border-color: #ff8a8a; }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 820px) {
  .soa-grad__main { grid-template-columns: 1fr; }
  .soa-grad__preview { aspect-ratio: 4 / 3; }
  .soa-grad__presets { grid-template-columns: repeat(6, 1fr); }
}

@media (max-width: 520px) {
  .soa-grad__card      { padding: 1.5rem 1.2rem; }
  .soa-grad__workspace { padding: 1rem; gap: 1rem; }
  .soa-grad__presets   { grid-template-columns: repeat(4, 1fr); }
  .soa-grad__preview   { aspect-ratio: 1; }
}