/* General Styling */
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #1e1e2f 0%, #121212 100%);
  font-family: 'Roboto', sans-serif;
  color: #eee;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.contact-section {
  max-width: 900px;
  width: calc(100% - 40px);
  margin: 40px auto;
  padding: 20px;
  text-align: center;
  flex: 1;
  box-sizing: border-box;
}

.contact-section h1 {
  font-size: clamp(2.2rem, 5.5vw, 3rem);
  font-weight: 700;
  color: #80deea;
  margin-bottom: 12px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  letter-spacing: 0.5px;
}

.intro-text {
  font-size: clamp(1.2rem, 3.2vw, 1.4rem);
  color: #b0bec5;
  margin-bottom: 40px;
  line-height: 1.6;
}

/* Chat Widget */
.chat-widget {
  background: #1c2526;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), inset 0 1px 3px rgba(255, 255, 255, 0.08);
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
  box-sizing: border-box;
  min-height: 550px;
  border: 1px solid rgba(128, 222, 234, 0.2);
}

.chat-header {
  background: linear-gradient(90deg, #4fc3f7 0%, #80deea 100%);
  color: #121212;
  font-weight: 500;
  padding: 16px 24px;
  font-size: clamp(1.4rem, 3.2vw, 1.7rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  border-bottom: none;
  border-radius: 16px 16px 0 0;
}

.header-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-messages {
  flex: 1;
  padding: 25px;
  background: #1c2526;
  height: clamp(400px, 65vh, 550px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  scrollbar-width: thin;
  scrollbar-color: #80deea #1c2526;
}

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

.chat-messages::-webkit-scrollbar-track {
  background: #1c2526;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: #80deea;
  border-radius: 4px;
}

.msg {
  display: flex;
  flex-direction: column;
  padding: 14px 18px;
  border-radius: 10px;
  max-width: 80%;
  font-size: clamp(1rem, 2.8vw, 1.15rem);
  line-height: 1.6;
  animation: fadeIn 0.4s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.user-msg {
  background: #4fc3f71a;
  color: #80deea;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  border: 1px solid #80deea;
}

.support-msg {
  background: #263238;
  color: #eceff1;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.auto-msg {
  background: #37474f;
  color: #b0bec5;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.msg-content a {
  color: #80deea;
  text-decoration: none;
  font-weight: 500;
}

.msg-content a:hover {
  text-decoration: underline;
}

.msg-timestamp {
  font-size: clamp(0.75rem, 1.8vw, 0.95rem);
  color: #90a4ae;
  margin-top: 8px;
  align-self: flex-end;
}

.file-preview {
  padding: 12px;
  background: #1c2526;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.file-preview-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #4fc3f71a;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid #80deea;
  color: #eceff1;
}

.delete-file {
  background: #ef5350;
  border: none;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}

.delete-file:hover {
  background: #e53935;
}

.chat-input {
  display: flex;
  align-items: center;
  border-top: 1px solid #37474f;
  background: #1c2526;
  padding: 10px 12px;
  box-sizing: border-box;
  gap: 8px;
  flex-wrap: nowrap;
  overflow: hidden;
}

.chat-input input[type="text"] {
  flex: 1;
  padding: 12px 16px;
  border: none;
  outline: none;
  font-size: clamp(0.9rem, 2.8vw, 1.1rem);
  background: #263238;
  color: #eceff1;
  border-radius: 10px;
  transition: background 0.3s, box-shadow 0.3s;
  border: 1px solid #80deea;
  min-width: 0;
}

.chat-input input[type="text"]:focus {
  background: #2e3b3e;
  box-shadow: 0 0 8px rgba(128, 222, 234, 0.3);
}

.chat-input button {
  padding: 10px;
  cursor: pointer;
  border-radius: 10px;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: none;
}

#attachFile {
  background: #80deea; /* Light cyan for attach button */
}

#sendChat {
  background: #4fc3f7; /* Blue for send button */
}

.chat-input button img {
  width: 22px;
  height: 22px;
}

.chat-input button:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 12px rgba(128, 222, 234, 0.4);
}

.chat-input button:active {
  transform: translateY(0);
}

/* Start Chat Popup */
#startChatPopup {
  background: #1c2526 !important;
  border: 1px solid #80deea !important;
  border-radius: 12px !important;
  padding: 24px !important;
  box-sizing: border-box !important;
  width: 90% !important;
  max-width: 400px !important;
}

#startChatPopup h3 {
  color: #80deea;
  font-size: clamp(1.5rem, 3.5vw, 1.8rem);
  margin-bottom: 20px;
}

#startChatPopup input,
#startChatPopup select {
  background: #263238 !important;
  border: 1px solid #80deea !important;
  color: #eceff1 !important;
  border-radius: 8px !important;
  padding: 12px !important;
  font-size: clamp(0.9rem, 2.5vw, 1rem) !important;
  width: 100% !important;
  box-sizing: border-box !important;
  margin-bottom: 15px !important;
}

#startChatPopup button {
  background: #4fc3f7 !important;
  color: #121212 !important;
  border-radius: 8px !important;
  padding: 12px 24px !important;
  font-size: clamp(0.9rem, 2.5vw, 1rem) !important;
  transition: background 0.3s, transform 0.2s !important;
  border: none !important;
  cursor: pointer !important;
}

#startChatPopup button:hover {
  background: #80deea !important;
  transform: translateY(-2px) !important;
}

/* Responsive Adjustments */
@media (max-width: 600px) {
  .contact-section {
    margin: 20px auto;
    padding: 12px;
    width: calc(100% - 24px);
  }

  .chat-widget {
    border-radius: 12px;
    min-height: 500px;
  }

  .chat-header {
    padding: 14px 20px;
    font-size: clamp(1.3rem, 2.8vw, 1.5rem);
  }

  .chat-messages {
    padding: 20px;
    height: clamp(350px, 60vh, 450px);
  }

  .chat-input {
    padding: 8px 10px;
    gap: 6px;
  }

  .chat-input input[type="text"] {
    padding: 10px 14px;
    font-size: clamp(0.85rem, 2.5vw, 1rem);
  }

  .chat-input button {
    width: 32px;
    height: 32px;
  }

  .chat-input button img {
    width: 20px;
    height: 20px;
  }

  #startChatPopup {
    padding: 20px !important;
    width: 95% !important;
    max-width: 350px !important;
  }
}

@media (max-width: 400px) {
  .contact-section h1 {
    font-size: clamp(1.8rem, 4.5vw, 2rem);
  }

  .intro-text {
    font-size: clamp(1rem, 2.8vw, 1.1rem);
  }

  .chat-widget {
    min-height: 450px;
  }

  .chat-header {
    padding: 12px 16px;
    font-size: clamp(1.2rem, 2.5vw, 1.4rem);
  }

  .chat-messages {
    padding: 15px;
    height: clamp(300px, 55vh, 400px);
  }

  .chat-input {
    padding: 6px 8px;
    gap: 4px;
  }

  .chat-input input[type="text"] {
    padding: 8px 12px;
    font-size: clamp(0.75rem, 2.2vw, 0.9rem);
  }

  .chat-input button {
    width: 28px;
    height: 28px;
  }

  .chat-input button img {
    width: 18px;
    height: 18px;
  }

  #startChatPopup h3 {
    font-size: clamp(1.3rem, 3vw, 1.5rem);
  }

  #startChatPopup input,
  #startChatPopup select,
  #startChatPopup button {
    font-size: clamp(0.8rem, 2.2vw, 0.9rem) !important;
    padding: 10px !important;
  }
  }