.prepp-ai-mentor-shell {
  max-width: 980px;
  margin: 18px auto;
  padding: 0 12px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.prepp-ai-mentor-phone {
  overflow: hidden;
  border: 1px solid #cdd8d0;
  border-radius: 8px;
  background: #efe7dc;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
}

.prepp-ai-mentor-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 66px;
  padding: 10px 14px;
  background: #075e54;
  color: #ffffff;
}

.prepp-ai-mentor-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.prepp-ai-mentor-avatar {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #dcf8c6;
  color: #075e54;
  font-weight: 900;
}

.prepp-ai-mentor-name {
  font-size: 16px;
  font-weight: 900;
  line-height: 1.2;
}

.prepp-ai-mentor-status {
  margin-top: 2px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
}

.prepp-ai-mentor-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.prepp-ai-mentor-actions button {
  min-height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 6px 11px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.prepp-ai-mentor-chat {
  height: 560px;
  overflow-y: auto;
  padding: 18px 14px;
  background:
    linear-gradient(rgba(239, 231, 220, 0.86), rgba(239, 231, 220, 0.86)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.45) 0, rgba(255,255,255,0.45) 1px, transparent 1px, transparent 16px);
}

.prepp-ai-mentor-msg {
  display: flex;
  margin-bottom: 10px;
}

.prepp-ai-mentor-user {
  justify-content: flex-end;
}

.prepp-ai-mentor-ai {
  justify-content: flex-start;
}

.prepp-ai-mentor-bubble {
  max-width: min(78%, 720px);
  border-radius: 8px;
  padding: 9px 11px;
  color: #172033;
  font-size: 14px;
  line-height: 1.55;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12);
  overflow-wrap: anywhere;
}

.prepp-ai-mentor-ai .prepp-ai-mentor-bubble {
  background: #ffffff;
  border-top-left-radius: 2px;
}

.prepp-ai-mentor-user .prepp-ai-mentor-bubble {
  background: #dcf8c6;
  border-top-right-radius: 2px;
}

.prepp-ai-mentor-bubble p {
  margin: 6px 0;
}

.prepp-ai-mentor-bubble h3,
.prepp-ai-mentor-bubble h4 {
  margin: 8px 0 6px;
  color: #0f2f2c;
  font-size: 15px;
  line-height: 1.35;
}

.prepp-ai-mentor-bubble ul,
.prepp-ai-mentor-bubble ol {
  margin: 8px 0 8px 19px;
}

.prepp-ai-mentor-bubble li {
  margin: 5px 0;
}

.prepp-ai-mentor-composer {
  display: flex;
  gap: 9px;
  align-items: flex-end;
  padding: 10px;
  background: #f0f2f5;
  border-top: 1px solid #d9dedb;
}

#prepp-ai-mentor-input {
  flex: 1;
  min-height: 44px;
  max-height: 130px;
  resize: none;
  border: 0;
  border-radius: 22px;
  background: #ffffff;
  color: #172033;
  padding: 12px 14px;
  font-size: 15px;
  line-height: 1.35;
  outline: none;
}

#prepp-ai-mentor-send {
  width: 58px;
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  background: #128c7e;
  color: #ffffff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 900;
}

#prepp-ai-mentor-send:disabled {
  cursor: wait;
  opacity: 0.68;
}

#prepp-ai-mentor-send .ldr {
  display: none;
}

.prepp-ai-mentor-hint {
  padding: 8px 12px 10px;
  background: #f0f2f5;
  color: #667085;
  font-size: 12px;
  text-align: center;
}

.prepp-ai-mentor-saved {
  margin: 12px;
  border: 1px solid #d9dedb;
  border-radius: 8px;
  background: #ffffff;
}

.prepp-ai-mentor-saved-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border-bottom: 1px solid #e5e7eb;
}

.prepp-ai-mentor-saved-head b {
  color: #172033;
}

.prepp-ai-mentor-saved-head span {
  color: #667085;
  font-size: 12px;
}

.prepp-ai-mentor-sessions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
}

.prepp-ai-mentor-session {
  display: block;
  width: 100%;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #f8fafc;
  color: #172033;
  padding: 10px;
  cursor: pointer;
  text-align: left;
}

.prepp-ai-mentor-session span {
  display: block;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
}

.prepp-ai-mentor-session small {
  display: block;
  margin-top: 4px;
  color: #667085;
  font-size: 11px;
}

.prepp-ai-mentor-muted {
  padding: 12px;
  color: #667085;
  font-size: 13px;
}

.prepp-ai-mentor-locked {
  min-height: 300px;
  padding: 34px 18px;
  text-align: center;
  background: #ffffff;
}

.prepp-ai-mentor-locked h3 {
  margin: 0 0 8px;
  color: #172033;
}

.prepp-ai-mentor-locked p {
  margin: 0 auto 14px;
  max-width: 520px;
  color: #526176;
}

.prepp-ai-mentor-locked a {
  display: inline-block;
  border-radius: 8px;
  padding: 10px 14px;
  background: #128c7e;
  color: #ffffff;
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 760px) {
  .prepp-ai-mentor-shell {
    padding: 0;
    margin: 0 auto;
  }

  .prepp-ai-mentor-phone {
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }

  .prepp-ai-mentor-topbar {
    display: block;
  }

  .prepp-ai-mentor-actions {
    justify-content: flex-start;
    margin-top: 10px;
  }

  .prepp-ai-mentor-chat {
    height: 62vh;
  }

  .prepp-ai-mentor-bubble {
    max-width: 88%;
  }

  .prepp-ai-mentor-sessions {
    grid-template-columns: 1fr;
  }
}