/* Berika AI Assistant Widget */
.berika-ai-fab {
  position: fixed;
  left: 20px;
  bottom: 24px;
  z-index: 99980;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
}
.berika-ai-fab:hover { transform: scale(1.06); }
.berika-ai-fab:active { transform: scale(0.96); }
.berika-ai-fab svg { width: 28px; height: 28px; }
.berika-ai-fab .pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(168, 85, 247, 0.5);
  animation: berikaAiPulse 2s infinite;
  pointer-events: none;
}
@keyframes berikaAiPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.35); opacity: 0; }
}

.berika-ai-panel {
  position: fixed;
  left: 20px;
  bottom: 96px;
  width: min(400px, calc(100vw - 24px));
  height: min(560px, calc(100vh - 120px));
  z-index: 99990;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.22);
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}
.berika-ai-panel.open { display: flex; }

.berika-ai-head {
  padding: 14px 16px;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.berika-ai-head-icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
}
.berika-ai-head h4 { margin: 0; font-size: 14px; font-weight: 800; }
.berika-ai-head p { margin: 2px 0 0; font-size: 11px; opacity: .85; }
.berika-ai-head-actions { margin-right: auto; display: flex; gap: 6px; }
.berika-ai-icon-btn {
  width: 32px; height: 32px; border-radius: 10px; border: none;
  background: rgba(255,255,255,.15); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}

.berika-ai-msgs {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #f8fafc;
  -webkit-overflow-scrolling: touch;
}
.berika-ai-msg {
  max-width: 92%;
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
}
.berika-ai-msg.user {
  margin-right: auto;
  margin-left: 0;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border-bottom-left-radius: 6px;
}
.berika-ai-msg.bot {
  margin-left: auto;
  margin-right: 0;
  background: #fff;
  border: 1px solid #e2e8f0;
  color: #1e293b;
  border-bottom-right-radius: 6px;
}
.berika-ai-msg.bot.loading {
  color: #94a3b8;
  font-style: italic;
}
.berika-ai-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}
.berika-ai-card {
  background: #f1f5f9;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.berika-ai-card strong { display: block; font-size: 13px; color: #0f172a; }
.berika-ai-card span { color: #64748b; direction: ltr; display: inline-block; }
.berika-ai-card a {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  color: #6366f1;
  text-decoration: none;
  background: #fff;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.berika-ai-foot {
  flex-shrink: 0;
  padding: 12px;
  border-top: 1px solid #e2e8f0;
  background: #fff;
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.berika-ai-input {
  flex: 1;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 10px 14px;
  font-size: 13px;
  font-family: inherit;
  resize: none;
  min-height: 44px;
  max-height: 120px;
  outline: none;
  line-height: 1.5;
}
.berika-ai-input:focus { border-color: #a5b4fc; box-shadow: 0 0 0 3px rgba(99,102,241,.15); }
.berika-ai-send, .berika-ai-mic {
  width: 44px; height: 44px; border-radius: 14px; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.berika-ai-send {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
}
.berika-ai-mic {
  background: #f1f5f9;
  color: #475569;
}
.berika-ai-mic.listening {
  background: #fef2f2;
  color: #dc2626;
  animation: berikaAiPulse 1.2s infinite;
}
.berika-ai-hints {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 0 16px 10px;
  background: #f8fafc;
}
.berika-ai-hint {
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #e2e8f0;
  color: #475569;
  cursor: pointer;
  font-family: inherit;
}
.berika-ai-hint:hover { border-color: #a5b4fc; color: #4f46e5; }

@media (max-width: 480px) {
  .berika-ai-panel {
    left: 0; right: 0; bottom: 0;
    width: 100%;
    height: min(88vh, 640px);
    border-radius: 20px 20px 0 0;
  }
  .berika-ai-fab { left: 16px; bottom: 16px; width: 54px; height: 54px; }
}
body.berika-dark .berika-ai-panel { background: #1e293b; border-color: #334155; }
body.berika-dark .berika-ai-msgs { background: #0f172a; }
body.berika-dark .berika-ai-msg.bot { background: #1e293b; border-color: #334155; color: #e2e8f0; }
body.berika-dark .berika-ai-foot { background: #1e293b; border-color: #334155; }
body.berika-dark .berika-ai-input { background: #0f172a; border-color: #334155; color: #e2e8f0; }