/* ============================================================
   Kaedria Stella - Studio visuel. Charte "Onyx & Or".
   Gros texte + fort contraste (Karen voit mal - lisibilite prioritaire).
   ============================================================ */
:root {
  --onyx:      #0E0E10;
  --graphite:  #3D3D40;
  --or:        #B08D57;
  --or-clair:  #d4a96d;
  --or-fonce:  #8a6d40;
  --ivoire:    #F4EDE4;
  --bordeaux:  #6B1D2A;
  --glass:     rgba(20,20,24,0.62);
  --glass-bord:rgba(176,141,87,0.32);
  --txt:       #F4EDE4;
  --txt-doux:  #c9c3b8;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 18px;               /* base large */
  line-height: 1.55;
  color: var(--txt);
  background: var(--onyx);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Fond mesh dore anime */
.bg-mesh {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 55% at 18% 12%, rgba(176,141,87,0.16), transparent 60%),
    radial-gradient(55% 50% at 85% 8%, rgba(107,29,42,0.20), transparent 62%),
    radial-gradient(70% 60% at 75% 95%, rgba(176,141,87,0.12), transparent 60%),
    var(--onyx);
  animation: drift 22s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(-2%,-1.5%,0) scale(1.06); } }

/* ---- Topbar ---- */
.topbar {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  padding: 26px 20px 12px;
  border-bottom: 1px solid var(--glass-bord);
  text-align: center;
}
.hub-back {
  position: absolute; left: 20px; top: 26px;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 600; letter-spacing: 0.02em;
  text-decoration: none; color: var(--txt); white-space: nowrap;
  padding: 8px 14px; border-radius: 8px;
  border: 1px solid rgba(176,141,87,0.5);
  background: rgba(176,141,87,0.08);
  transition: background .15s ease, border-color .15s ease;
}
.hub-back:hover { background: rgba(176,141,87,0.18); border-color: var(--or-clair); }
.brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 34px; font-weight: 600; letter-spacing: 0.12em;
  color: var(--or-clair);
  text-decoration: none; cursor: pointer; display: inline-block;
  border-radius: 10px; padding: 2px 12px;
  transition: background .15s ease;
}
.brand:hover { background: rgba(176,141,87,0.1); }
.brand .agent { color: var(--ivoire); }
.brand .sep { color: var(--or-fonce); margin: 0 6px; }
@media (max-width: 640px) {
  .hub-back { position: static; margin-bottom: 10px; }
}
.tagline {
  font-family: 'Cormorant Garamond', serif; font-style: italic;
  font-size: 20px; color: var(--txt-doux); margin-top: 4px;
}
.health { font-size: 14px; color: var(--txt-doux); margin-top: 6px; min-height: 18px; }
.health .ok  { color: var(--or-clair); }
.health .ko  { color: #e08b8b; }

/* ---- Studio ---- */
.studio {
  max-width: 1080px; margin: 0 auto; padding: 24px 22px 80px;
  display: flex; flex-direction: column; gap: 26px;
}
.step {
  background: var(--glass);
  backdrop-filter: blur(24px) saturate(120%);
  -webkit-backdrop-filter: blur(24px) saturate(120%);
  border: 1px solid var(--glass-bord);
  border-radius: 18px;
  padding: 22px 24px;
}
.step.hidden { display: none; }
.step-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px; font-weight: 600; color: var(--ivoire);
  margin: 0 0 16px; display: flex; align-items: center; gap: 12px;
}
.step-title .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(150deg, var(--or), var(--or-fonce));
  color: var(--onyx); font-family: 'Inter'; font-size: 17px; font-weight: 600;
}

/* ---- Domaines ---- */
.domaines { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.domaine-card {
  cursor: pointer; text-align: center;
  padding: 22px 12px; border-radius: 14px;
  background: rgba(255,255,255,0.03);
  border: 1.5px solid var(--glass-bord);
  transition: transform .15s, border-color .15s, background .15s;
}
.domaine-card:hover { transform: translateY(-3px); border-color: var(--or-clair); background: rgba(176,141,87,0.10); }
.domaine-card.active { border-color: var(--or-clair); background: rgba(176,141,87,0.16); box-shadow: 0 0 0 1px var(--or-clair) inset; }
.domaine-card .emoji { font-size: 34px; display: block; margin-bottom: 8px; }
.domaine-card .lbl { font-size: 17px; font-weight: 500; color: var(--ivoire); }

/* ---- Formats ---- */
.formats { display: flex; flex-wrap: wrap; gap: 12px; }
.format-chip {
  cursor: pointer;
  padding: 12px 18px; border-radius: 999px;
  background: rgba(255,255,255,0.03);
  border: 1.5px solid var(--glass-bord);
  font-size: 16px; color: var(--txt);
  transition: border-color .15s, background .15s;
}
.format-chip .ratio { color: var(--or-clair); font-weight: 600; margin-left: 6px; }
.format-chip:hover { border-color: var(--or-clair); }
.format-chip.active { border-color: var(--or-clair); background: rgba(176,141,87,0.16); }

/* ---- Conversation ---- */
.workzone { display: flex; flex-direction: column; gap: 16px; }
.conversation { display: flex; flex-direction: column; gap: 16px; min-height: 40px; }
.msg { max-width: 92%; padding: 14px 18px; border-radius: 14px; font-size: 17px; }
.msg.user {
  align-self: flex-end;
  background: rgba(176,141,87,0.14); border: 1px solid var(--glass-bord);
}
.msg.stella {
  align-self: flex-start;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
}
.msg .who {
  font-family: 'Cormorant Garamond', serif; font-style: italic;
  font-size: 15px; color: var(--or-clair); margin-bottom: 4px;
}

/* Carte visuel */
.visuel-card {
  align-self: stretch; max-width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-bord); border-radius: 16px;
  padding: 16px; display: flex; flex-direction: column; gap: 12px;
}
.visuel-card img {
  width: 100%; max-height: 62vh; object-fit: contain;
  border-radius: 10px; cursor: zoom-in; background: #000;
}
.visuel-meta { font-size: 15px; color: var(--txt-doux); }
.visuel-meta .da { color: var(--ivoire); font-style: italic; font-family: 'Cormorant Garamond', serif; font-size: 18px; }
.visuel-meta .alerte { color: var(--or-clair); margin-top: 6px; }
.visuel-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.visuel-card.kept { border-color: var(--or-clair); box-shadow: 0 0 0 1px var(--or-clair) inset; }

/* ---- Composer ---- */
.composer { display: flex; flex-direction: column; gap: 10px; }
textarea, input {
  width: 100%; font-family: 'Inter', sans-serif; font-size: 17px;
  color: var(--txt); background: rgba(0,0,0,0.35);
  border: 1.5px solid var(--glass-bord); border-radius: 12px;
  padding: 14px 16px; resize: vertical;
}
textarea:focus, input:focus { outline: none; border-color: var(--or-clair); }
.composer-actions { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.composer-actions-right { display: flex; gap: 10px; }

/* ---- Boutons ---- */
button { cursor: pointer; font-family: 'Inter', sans-serif; }
.btn-gold {
  padding: 13px 26px; border-radius: 999px; border: none;
  background: linear-gradient(150deg, var(--or-clair), var(--or-fonce));
  color: var(--onyx); font-size: 17px; font-weight: 600;
  transition: filter .15s, transform .1s;
}
.btn-gold:hover { filter: brightness(1.08); }
.btn-gold:active { transform: translateY(1px); }
.btn-gold[disabled] { opacity: .5; cursor: default; }
.btn-ghost, .btn-line {
  padding: 12px 22px; border-radius: 999px;
  background: transparent; border: 1.5px solid var(--glass-bord);
  color: var(--txt); font-size: 16px;
}
.btn-ghost:hover, .btn-line:hover { border-color: var(--or-clair); color: var(--ivoire); }
.btn-ghost.active { border-color: var(--or-clair); background: rgba(176,141,87,0.18); color: var(--ivoire); }
.btn-line.keep { border-color: var(--or-clair); color: var(--or-clair); }
.btn-mini {
  margin-left: auto; background: transparent; border: 1px solid var(--glass-bord);
  color: var(--txt-doux); border-radius: 8px; padding: 4px 10px; font-size: 15px;
}

/* ---- Bibliotheque ---- */
.galerie { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.galerie .vignette {
  border: 1px solid var(--glass-bord); border-radius: 12px; overflow: hidden;
  background: rgba(0,0,0,0.3); position: relative;
}
.galerie .vignette img { width: 100%; height: 150px; object-fit: cover; display: block; cursor: zoom-in; }
.galerie .vignette .cap { padding: 8px 10px; font-size: 13px; color: var(--txt-doux); }
.galerie .vignette .badge {
  position: absolute; top: 8px; right: 8px; font-size: 12px;
  padding: 3px 9px; border-radius: 999px; background: rgba(14,14,16,0.8);
  border: 1px solid var(--glass-bord); color: var(--or-clair);
}
.galerie .empty { grid-column: 1/-1; color: var(--txt-doux); font-style: italic; padding: 10px; }

/* ---- Spinner / loading ---- */
.thinking {
  align-self: flex-start; display: flex; align-items: center; gap: 10px;
  color: var(--or-clair); font-style: italic; font-family: 'Cormorant Garamond', serif; font-size: 19px;
}
.spinner {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2.5px solid rgba(176,141,87,0.3); border-top-color: var(--or-clair);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Lightbox ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.9); cursor: zoom-out; padding: 30px;
}
.lightbox.hidden { display: none; }
.lightbox img { max-width: 96vw; max-height: 94vh; object-fit: contain; border-radius: 8px; }

.hidden { display: none !important; }

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .domaines { grid-template-columns: repeat(2, 1fr); }
  .brand { font-size: 27px; }
}