:root {
  --primary: #ff4d94;
  --primary-light: #ff85b3;
  --secondary: #c77dff;
  --accent: #ff6b6b;
  --dark: #1a1a2e;
  --darker: #0d0d1a;
  --light: #f8f9fa;
  --user-bubble: #4d79ff;
  --bot-bubble: #ff66a3;
  --header-height: 70px;
  --input-height: 70px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, var(--darker), var(--dark));
  color: var(--light);
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 10% 20%,
      rgba(255, 109, 163, 0.15) 0%,
      transparent 20%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(199, 125, 255, 0.15) 0%,
      transparent 20%
    ),
    radial-gradient(
      circle at 30% 60%,
      rgba(255, 107, 107, 0.1) 0%,
      transparent 25%
    ),
    radial-gradient(
      circle at 70% 30%,
      rgba(77, 121, 255, 0.1) 0%,
      transparent 25%
    );
  z-index: -1;
}

.floating-hearts {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.heart {
  position: absolute;
  color: rgba(255, 77, 148, 0.3);
  font-size: 20px;
  animation: float 15s infinite linear;
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.4;
  }
  90% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

.chat-container {
  display: flex;
  flex-direction: column;
  max-width: 900px;
  height: 100vh;
  margin: 0 auto;
  background: rgba(26, 26, 46, 0.7);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border-radius: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-header {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: white;
  padding: 15px 25px;
  display: flex;
  align-items: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 10;
  position: relative;
}

.profile-pic {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: linear-gradient(45deg, #ff85b3, #c77dff);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  border: 2px solid white;
  overflow: hidden;
}

.profile-pic i {
  font-size: 24px;
  color: white;
}

.header-content {
  flex: 1;
}

.chat-header h1 {
  font-family: "Dancing Script", cursive;
  font-size: 28px;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
}

.status {
  display: flex;
  align-items: center;
  font-size: 13px;
  margin-top: 3px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #4ade80;
  border-radius: 50%;
  margin-right: 6px;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.7;
  }
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  scroll-behavior: smooth;
}

.message {
  max-width: 80%;
  padding: 15px 20px;
  border-radius: 25px;
  position: relative;
  line-height: 1.5;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  animation: messageAppear 0.3s ease-out;
  word-wrap: break-word;
  font-size: 16px;
}

@keyframes messageAppear {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.user {
  background: linear-gradient(135deg, var(--user-bubble), #3366ff);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 8px;
}

.message.bot {
  background: linear-gradient(135deg, var(--bot-bubble), #ff3385);
  color: white;
  align-self: flex-start;
  border-bottom-left-radius: 8px;
}

.message-time {
  display: block;
  font-size: 11px;
  opacity: 0.8;
  margin-top: 5px;
  text-align: right;
}

.message.typing {
  display: flex;
  align-items: center;
  padding: 15px 20px;
}

.typing-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
}

.typing-dot {
  width: 10px;
  height: 10px;
  background-color: white;
  border-radius: 50%;
  opacity: 0.6;
}

.typing-dot:nth-child(1) {
  animation: typing 1.2s infinite;
}
.typing-dot:nth-child(2) {
  animation: typing 1.2s infinite 0.4s;
}
.typing-dot:nth-child(3) {
  animation: typing 1.2s infinite 0.8s;
}

@keyframes typing {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  30% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

.chat-input-area {
  display: flex;
  padding: 15px;
  background: rgba(40, 40, 70, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#userInput {
  flex: 1;
  padding: 16px 20px;
  border: none;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 16px;
  outline: none;
  transition: all 0.3s;
}

#userInput:focus {
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 2px var(--primary-light);
}

#userInput::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

#sendButton {
  width: 55px;
  height: 55px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  margin-left: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(199, 125, 255, 0.3);
}

#sendButton:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 20px rgba(199, 125, 255, 0.5);
}

#sendButton:disabled {
  opacity: 0.5;
  transform: none;
  box-shadow: none;
  cursor: not-allowed;
}

.chat-messages::-webkit-scrollbar {
  width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--primary), var(--secondary));
  border-radius: 10px;
}

.heart-decoration {
  position: absolute;
  font-size: 14px;
  color: var(--accent);
  opacity: 0.7;
}

.bot-message-decoration {
  position: absolute;
  font-size: 24px;
  color: rgba(255, 255, 255, 0.2);
}

.bot-message-decoration.left {
  top: -10px;
  left: -10px;
}

.bot-message-decoration.right {
  bottom: -10px;
  right: -10px;
}

.intro-message {
  text-align: center;
  padding: 30px 20px;
  opacity: 0.8;
  font-size: 14px;
}

.intro-message i {
  color: var(--primary);
  margin: 0 5px;
}

.welcome-banner {
  text-align: center;
  padding: 15px;
  background: linear-gradient(
    90deg,
    rgba(255, 77, 148, 0.3),
    rgba(199, 125, 255, 0.3)
  );
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .chat-container {
    border-radius: 0;
  }

  .chat-header h1 {
    font-size: 22px;
  }

  .message {
    max-width: 90%;
  }

  @media (max-width: 1024px) {
    .chat-container {
      max-width: 100%;
      margin: 0;
      height: 100vh;
    }

    .chat-header h1 {
      font-size: 24px;
    }

    .profile-pic {
      width: 40px;
      height: 40px;
    }

    .chat-input-area {
      padding: 10px;
    }

    #userInput {
      font-size: 15px;
      padding: 14px 18px;
    }

    #sendButton {
      width: 50px;
      height: 50px;
      margin-left: 10px;
    }
  }

  @media (max-width: 768px) {
    .chat-header h1 {
      font-size: 20px;
    }

    .chat-container {
      border-radius: 0;
      box-shadow: none;
    }

    .message {
      font-size: 15px;
      padding: 12px 16px;
      max-width: 95%;
    }

    .chat-messages {
      padding: 15px 10px;
    }

    .welcome-banner {
      font-size: 13px;
      padding: 10px;
    }

    #userInput {
      font-size: 14px;
    }

    .status {
      font-size: 11px;
    }
  }

  @media (max-width: 480px) {
    .chat-header {
      padding: 10px 15px;
    }

    .chat-header h1 {
      font-size: 18px;
    }

    .status {
      font-size: 10px;
    }

    .chat-input-area {
      flex-direction: column;
      padding: 10px;
      gap: 10px;
    }

    #userInput {
      width: 100%;
      padding: 14px 16px;
      border-radius: 20px;
    }

    #sendButton {
      width: 100%;
      height: 48px;
      border-radius: 15px;
      margin-left: 0;
      font-size: 18px;
    }

    .message-time {
      font-size: 10px;
    }

    .typing-dot {
      width: 8px;
      height: 8px;
    }
  }
}