/* =============================================================================
 *  KaraokeClip — Assistant IA (styles du widget WordPress, autonomes)
 *  Aucune dépendance à un thème : variables propres + adaptation clair/sombre.
 *  La couleur d'accent (--kc-accent) est injectée par le widget (réglage admin).
 * ========================================================================== */
.kcai-root {
  --kc-accent: #8b5cf6;
  --kc-bg: #ffffff;
  --kc-surface: #f6f7f9;
  --kc-text: #1c1e21;
  --kc-muted: #606770;
  --kc-border: #e3e6ea;
  --kc-user-text: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  .kcai-root {
    --kc-bg: #1b1b1d;
    --kc-surface: #242526;
    --kc-text: #e4e6eb;
    --kc-muted: #b0b3b8;
    --kc-border: #3a3b3c;
  }
}

.kcai-root * { box-sizing: border-box; }

/* --- Bouton flottant --------------------------------------------------- */
.kcai-launcher {
  position: fixed; right: 20px; bottom: 20px; z-index: 2147483000;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border: none; border-radius: 999px;
  background: var(--kc-accent); color: #fff;
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.kcai-launcher:hover { transform: translateY(-2px); box-shadow: 0 8px 26px rgba(0, 0, 0, 0.3); }
.kcai-launcher-icon { font-size: 1.2rem; line-height: 1; }

/* --- Panneau ----------------------------------------------------------- */
.kcai-panel {
  position: fixed; right: 20px; bottom: 20px; z-index: 2147483000;
  width: 390px; max-width: calc(100vw - 40px);
  height: 70vh; max-height: 640px;
  display: flex; flex-direction: column;
  background: var(--kc-bg); color: var(--kc-text);
  border: 1px solid var(--kc-border); border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3); overflow: hidden;
}
.kcai-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; background: var(--kc-accent); color: #fff;
}
.kcai-header-title { font-weight: 700; font-size: 1rem; }
.kcai-close { background: transparent; border: none; color: #fff; font-size: 1.1rem; cursor: pointer; opacity: 0.85; line-height: 1; }
.kcai-close:hover { opacity: 1; }

.kcai-body { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.kcai-intro { color: var(--kc-muted); font-size: 0.92rem; line-height: 1.5; padding: 6px 2px; }

.kcai-msg-user { display: flex; justify-content: flex-end; }
.kcai-msg-bot { display: flex; justify-content: flex-start; }
.kcai-bubble-user {
  max-width: 85%; background: var(--kc-accent); color: var(--kc-user-text);
  padding: 9px 13px; border-radius: 14px 14px 4px 14px;
  font-size: 0.92rem; white-space: pre-wrap; word-wrap: break-word;
}
.kcai-bubble-bot {
  max-width: 92%; background: var(--kc-surface); color: var(--kc-text);
  padding: 10px 14px; border-radius: 14px 14px 14px 4px;
  font-size: 0.92rem; border: 1px solid var(--kc-border);
}
.kcai-answer { word-wrap: break-word; line-height: 1.55; }
.kcai-md-text { white-space: pre-wrap; }
.kcai-md-table { border-collapse: collapse; margin: 8px 0; width: 100%; font-size: 0.88rem; display: block; overflow-x: auto; }
.kcai-md-table th, .kcai-md-table td { border: 1px solid var(--kc-border); padding: 5px 8px; text-align: left; }
.kcai-md-table th { background: var(--kc-surface); font-weight: 600; }
.kcai-answer a { color: var(--kc-accent); text-decoration: underline; }
.kcai-answer code { background: var(--kc-border); padding: 1px 5px; border-radius: 4px; font-size: 0.85em; }
.kcai-thinking { color: var(--kc-muted); font-style: italic; }
.kcai-cursor { animation: kcai-blink 1s step-start infinite; margin-left: 1px; }
@keyframes kcai-blink { 50% { opacity: 0; } }

/* --- Sources ----------------------------------------------------------- */
.kcai-sources { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--kc-border); display: flex; flex-direction: column; gap: 4px; }
.kcai-sources-title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--kc-muted); }
.kcai-source-link { font-size: 0.85rem; color: var(--kc-accent); text-decoration: none; padding: 2px 0; }
.kcai-source-link:hover { text-decoration: underline; }

/* --- Feedback 👍/👎 --- */
.kcai-feedback { display: flex; align-items: center; gap: 6px; margin-top: 10px; }
.kcai-fb {
  background: transparent; border: 1px solid var(--kc-border); color: var(--kc-text);
  border-radius: 8px; padding: 2px 8px; cursor: pointer; font-size: 0.95rem; line-height: 1.4;
  opacity: 0.7; transition: opacity 0.15s ease, border-color 0.15s ease;
}
.kcai-fb:hover { opacity: 1; }
.kcai-fb-active { opacity: 1; border-color: var(--kc-accent); background: var(--kc-surface); }
.kcai-fb-thanks { font-size: 0.78rem; color: var(--kc-muted); margin-left: 4px; }

/* --- Pied support ------------------------------------------------------ */
.kcai-support { padding: 7px 12px; border-top: 1px solid var(--kc-border); background: var(--kc-bg); font-size: 0.8rem; color: var(--kc-muted); }
.kcai-support-link { color: var(--kc-accent); text-decoration: none; font-weight: 600; }
.kcai-support-link:hover { text-decoration: underline; }

/* --- Saisie ------------------------------------------------------------ */
.kcai-input-row { display: flex; align-items: flex-end; gap: 8px; padding: 10px; border-top: 1px solid var(--kc-border); background: var(--kc-bg); }
.kcai-input {
  flex: 1; resize: none; max-height: 120px; padding: 9px 12px;
  border: 1px solid var(--kc-border); border-radius: 10px;
  background: var(--kc-surface); color: var(--kc-text);
  font-size: 0.92rem; font-family: inherit; line-height: 1.4;
}
.kcai-input:focus { outline: none; border-color: var(--kc-accent); }
.kcai-send { flex: 0 0 auto; width: 38px; height: 38px; border: none; border-radius: 10px; background: var(--kc-accent); color: #fff; font-size: 1rem; cursor: pointer; }
.kcai-send:disabled { opacity: 0.45; cursor: not-allowed; }

/* --- Mobile ------------------------------------------------------------ */
@media (max-width: 500px) {
  .kcai-panel { right: 0; bottom: 0; width: 100vw; max-width: 100vw; height: 85vh; max-height: none; border-radius: 14px 14px 0 0; }
  .kcai-launcher { right: 14px; bottom: 14px; }
  .kcai-launcher-label { display: none; }
}