body {
  margin: 0;
  height: 100vh;
  background: radial-gradient(circle at 30% 20%, #0e111b, #080a12 80%);
  color: #e9ecf5;
  font-family: "Inter", "Poppins", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.vault-container {
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  padding: 35px 30px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s ease;
}

.vault-container:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 50px rgba(0, 0, 0, 0.7);
}

.vault-container h1 {
  font-size: 1.6rem;
  font-weight: 600;
  color: #c8d2ff;
  text-shadow: 0 0 12px rgba(110, 160, 255, 0.3);
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.chatbox {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  height: 340px;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
  transition: background 0.3s ease;
}

.chatbox::-webkit-scrollbar {
  width: 6px;
}

.chatbox::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 6px;
}

.user-message,
.bot-message {
  padding: 10px 14px;
  border-radius: 14px;
  max-width: 85%;
  word-wrap: break-word;
  font-size: 0.9rem;
  line-height: 1.5;
  animation: fadeUp 0.3s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.user-message {
  background: linear-gradient(135deg, #3e7bff, #2950e3);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  box-shadow: 0 0 10px rgba(90, 150, 255, 0.4);
}

.bot-message {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e6f3;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.06);
}

.input-area {
  display: flex;
  gap: 10px;
  margin-top: 5px;
}

.input-area input {
  flex: 1;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: #e9ecf5;
  font-size: 0.95rem;
  transition: all 0.25s ease;
}

.input-area input:focus {
  outline: none;
  border-color: #619eff;
  box-shadow: 0 0 8px rgba(90, 157, 248, 0.4);
  background: rgba(255, 255, 255, 0.12);
}

button {
  background: linear-gradient(135deg, #4b84ff, #3064e8);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 10px 15px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.25s ease;
  font-weight: 500;
}

button:hover {
  box-shadow: 0 0 12px rgba(80, 140, 255, 0.5);
  transform: translateY(-1px);
}

button:active {
  transform: scale(0.97);
}

.fab-container {
  position: fixed;
  bottom: 25px;
  right: 25px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  z-index: 200;
}

.fab-main {
  background: linear-gradient(145deg, #5a9df8, #3268f5);
  border: none;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  color: #fff;
  font-size: 1.4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
}

.fab-main:hover {
  transform: rotate(45deg);
  box-shadow: 0 8px 30px rgba(90, 157, 248, 0.5);
}

.fab-options {
  display: none;
  flex-direction: column;
  gap: 10px;
}

.fab-options button {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
  color: #d5dbff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
  transition: all 0.25s ease;
}

.fab-options button:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.popup {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 20, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.popup-content {
  background: rgba(22, 26, 40, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 28px 24px;
  border-radius: 18px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: fadeIn 0.25s ease-in-out;
  color: #dbe2ff;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.popup-content h2 {
  margin: 0 0 5px;
  color: #cfd8ff;
  font-size: 1.25rem;
  text-align: center;
}

.popup-content input,
.popup-content textarea {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.9rem;
  color: #e4e6eb;
  resize: none;
}

.popup-content input:focus,
.popup-content textarea:focus {
  outline: none;
  border-color: #619eff;
  box-shadow: 0 0 8px rgba(90, 157, 248, 0.4);
}

.typing-indicator {
  display: none;
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 10px 14px;
  margin-top: 6px;
  width: 60px;
  justify-content: space-around;
  box-shadow: 0 0 8px rgba(100, 150, 255, 0.3);
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: #5a9df8;
  border-radius: 50%;
  opacity: 0.6;
  animation: typingBlink 1.3s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBlink {
  0%, 80%, 100% { opacity: 0.3; transform: scale(1); }
  40% { opacity: 1; transform: scale(1.2); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@media (max-width: 500px) {
  .vault-container {
    width: 92%;
    padding: 24px 20px;
  }
  .popup-content {
    max-width: 92%;
  }
}

.vault-toolbar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.vault-toolbar button {
  background: rgba(255, 255, 255, 0.08);
  color: #cfd8ff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 8px 16px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.25s ease;
  font-weight: 500;
}

.vault-toolbar button:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  box-shadow: 0 0 12px rgba(110, 150, 255, 0.4);
  transform: translateY(-1px);
}

.vault-toolbar button:active {
  transform: scale(0.96);
}

/* Typing animation */
.typing {
  display: flex;
  gap: 4px;
  padding: 8px;
  align-items: center;
}
.typing span {
  width: 6px;
  height: 6px;
  background: #9cbcff;
  border-radius: 50%;
  animation: blink 1.3s infinite ease-in-out;
}
.typing span:nth-child(2) {
  animation-delay: 0.2s;
}
.typing span:nth-child(3) {
  animation-delay: 0.4s;
}
@keyframes blink {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(20, 25, 45, 0.8);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  font-size: 0.85rem;
  backdrop-filter: blur(6px);
  z-index: 9999;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.success { border-color: rgba(50, 255, 140, 0.4); }
.toast.error { border-color: rgba(255, 80, 80, 0.5); }

.chatbox img {
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease;
}
.chatbox img:hover {
  transform: scale(1.05);
}

.popup-actions {
  display: flex;
  justify-content: space-between; /* puts buttons at ends */
  gap: 12px; /* space between buttons */
  margin-top: 12px;
}

.popup-actions button {
  flex: 1; /* buttons take equal width */
  padding: 10px 0;
}