#screen-trainer {
  padding: 0;
  overflow: hidden;
  background: #001F3F;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.trainer-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: linear-gradient(135deg, #1a0533 0%, #2d1b4e 60%, #1a0533 100%);
  border-bottom: 2px solid rgba(168,85,247,0.4);
  z-index: 10;
  width: 100%;
  flex-shrink: 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.trainer-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid #A855F7;
  overflow: hidden;
  flex-shrink: 0;
  background: radial-gradient(circle, #2d1b4e, #1a0533);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px rgba(168,85,247,0.4);
  font-size: 22px;
}
.trainer-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: calc(100% - 32px);
  max-width: 1000px;
  margin: 16px auto 0;
  background: linear-gradient(180deg, #f0f4f8 0%, #e8f0f8 100%);
  border-radius: 20px 20px 0 0;
  border: 1px solid rgba(168,85,247,0.3);
  border-bottom: none;
  scrollbar-width: none;
}
.trainer-messages::-webkit-scrollbar { display: none; }
.trainer-input-bar {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 14px;
  background: #f8fafc;
  width: calc(100% - 32px);
  max-width: 1000px;
  margin: 0 auto 16px;
  flex-shrink: 0;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  border-radius: 0 0 20px 20px;
  border: 1px solid rgba(168,85,247,0.3);
  border-top: 1px solid rgba(168,85,247,0.2);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}