/* ================= GLOBAL ================= */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0a0f1c;
  color: #e6f2ff;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

/* ================= HEADER ================= */
.head {
  position: fixed;
  top: 0;
  left: 0;
  height: 70px;
  width: 100%;
  background: #05080f;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  box-shadow: 0 0 10px #00eaff;
}

.sidebar-toggle {
  position: absolute;
  left: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #00eaff;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.sidebar-toggle:hover {
  background: rgba(0, 234, 255, 0.2);
}

.sidebar-toggle svg {
  width: 24px;
  height: 24px;
}

/* Desktop shows hamburger by default */
/* Mobile will override in media query if needed */

.ai-logo {
  height: 50px;
  width: 50px;
  border-radius: 100%;
}
.title {
  font-family :Arial;
}
.exit-directory {
  position: absolute;
  left: 12px;
  font-size: 28px;
  color: #bff6ff;
}

/* ================= SIDEBAR ================= */
.chat-sidebar {
  position: fixed;
  left: 0;
  top: 70px;
  width: 280px;
  height: calc(100vh - 130px);
  background: #05080f;
  border-right: 1px solid #00eaff;
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 12px;
  overflow-y: auto;
  z-index: 500;
  box-shadow: 2px 0 10px rgba(0, 234, 255, 0.2);
  transition: transform 0.3s ease;
}

.chat-sidebar.collapsed {
  transform: translateX(-100%);
}

/* Mobile sidebar - narrower drawer */
@media (max-width: 768px) {
  .chat-sidebar {
    width: 200px;
    height: calc(100vh - 130px);
  }
}

.new-chat-btn {
  background: #00eaff;
  color: #041018;
  border: none;
  border-radius: 18px;
  padding: 12px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 0 8px #00eaff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  position: relative;
  flex-shrink: 0;
}

.new-chat-btn:hover {
  background: #00bcd4;
}

.chat-history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  flex: 1;
}

.chat-item {
  padding: 12px;
  border-radius: 12px;
  background: rgba(0, 234, 255, 0.1);
  border: 1px solid rgba(0, 234, 255, 0.3);
  color: #8fd6ff;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.chat-item:hover {
  background: rgba(0, 234, 255, 0.2);
  border-color: #00eaff;
}

.chat-item.active {
  background: #00eaff;
  color: #041018;
  font-weight: bold;
}

.chat-item-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

.chat-delete-btn {
  background: transparent;
  border: none;
  color: #ff6464;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 4px;
  transition: all 0.2s ease;
  opacity: 0.7;
}

.chat-delete-btn:hover {
  opacity: 1;
  background: rgba(255, 100, 100, 0.3);
  color: #ff8080;
}

.chat-delete-btn:hover {
  background: rgba(255, 100, 100, 0.3);
  color: #ff6464;
}

.chat-delete-btn svg {
  width: 16px;
  height: 16px;
}

/* ================= MAIN ================= */
main {
  position: relative;
  top: 70px;
  left: 280px;
  height: calc(100vh - 70px);
  display: flex;
  flex-direction: column;
  width: calc(100% - 280px);
  transition: left 0.3s ease, width 0.3s ease;
}

.chat-sidebar.collapsed ~ main {
  left: 0;
  width: 100%;
}

/* ================= CHAT DISPLAY ================= */
.chat-display-container {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  scroll-behavior: smooth;
  margin-bottom: 60px;
  background: #0a0f1c;
}

/* Mobile adjustments for better scrolling */
@media (max-width: 768px) {
  .chat-display-container {
    margin-bottom: 80px; /* Extra space for mobile keyboards/touch */
    padding: 0;
  }
}


.chatlog {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ================= HUMAN (RIGHT) ================= */
.human-response {
  align-self: flex-end;
  background: linear-gradient(135deg, #1d2744, #141b33);
  color: #eaf3ff;
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 16px 16px 4px 16px;
  box-shadow: 0 0 6px rgba(0, 170, 255, 0.4);
  margin-right: 20px;
}

@media (max-width: 768px) {
  .human-response {
    max-width: 85%;
    margin-right: 10px;
    padding: 8px 12px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .human-response {
    max-width: 90%;
    margin-right: 8px;
    padding: 8px 10px;
    font-size: 13px;
  }
}

/* ================= AI (RIGHT) ================= */
.ai-response {
  align-self: flex-end;
  background: #0a0f1c;
  color: #8fd6ff;
  max-width: 100%;
  padding: 16px 32px;
  border-radius: 0;
  border: none;
  box-shadow: none;
  width: 100%;
}

/* ================= TEXT ================= */
.text {
  font-size: 16px;
  line-height: 1.45;
  word-wrap: break-word;
  white-space: pre-wrap;
}

/* ================= THINKING ================= */
.thinking {
  font-family: "Orbitron", sans-serif;
  color: #9ffcff;
  letter-spacing: 4px;
  display: flex;
  gap: 6px;
  text-shadow: 0 0 8px #00eaff;
}

.thinking span {
  opacity: 0;
  animation: pulse 1.2s infinite;
}

.thinking span:nth-child(1) { animation-delay: 0s; }
.thinking span:nth-child(2) { animation-delay: .2s; }
.thinking span:nth-child(3) { animation-delay: .4s; }
.thinking span:nth-child(4) { animation-delay: .6s; }

@keyframes pulse {
  0% { opacity: 0; }
  40% { opacity: 1; }
  100% { opacity: 0; }
}

/* ================= INPUT BAR ================= */
.chat-initiate-response {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: #05080f;
  display: flex;
  gap: 8px;
  padding: 8px;
  box-shadow: 0 -4px 10px rgba(0,255,255,0.4);
  z-index: 100;
  overflow: visible;
}

.chat-response {
  flex: 1;
  border-radius: 20px;
  border: none;
  padding: 0 14px;
  background: #0b1326;
  color: #e6f2ff;
  font-size: 15px;
}

/* ================= BUTTONS ================= */
.chat-answer-button,
.voice-toggle,
.speech-toggle,
.mobile-menu-toggle {
  background: #00eaff;
  color: #041018;
  border: none;
  border-radius: 18px;
  padding: 0 10px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 0 8px #00eaff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 40px;
  position: relative;
}

.chat-answer-button:hover,
.voice-toggle:hover,
.speech-toggle:hover,
.mobile-menu-toggle:hover {
  background: #00bcd4;
}

/* Voice button disabled state */
.voice-toggle[aria-pressed="false"] {
  opacity: 0.5;
  background: #666;
  box-shadow: 0 0 5px rgba(0, 234, 255, 0.3);
}

.voice-toggle[aria-pressed="false"]:hover {
  background: #777;
}

/* Tooltip styling */
.chat-answer-button::after,
.voice-toggle::after,
.speech-toggle::after,
.mobile-menu-toggle::after,
.new-chat-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #0a0f1c;
  color: #00eaff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  border: 1px solid #00eaff;
  box-shadow: 0 0 8px rgba(0, 234, 255, 0.4);
  z-index: 1000;
  margin-bottom: 8px;
}

.chat-answer-button:hover::after,
.voice-toggle:hover::after,
.speech-toggle:hover::after,
.mobile-menu-toggle:hover::after,
.new-chat-btn:hover::after {
  opacity: 1;
}

/* Icon sizing - reduced */
.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn-icon svg {
  width: 100%;
  height: 100%;
}

/* Label visibility - hide on smaller screens */
.btn-label {
  font-size: 12px;
  white-space: nowrap;
}

/* Active state for speech button when listening */
.speech-toggle.on {
  background: #00ffcc;
  box-shadow: 0 0 15px #00ffcc, inset 0 0 10px rgba(0, 255, 204, 0.3);
  color: #002227;
  animation: pulse-glow 1.5s ease-in-out infinite;
}

/* Actively listening state - intense glow with color change */
.speech-toggle.listening {
  background: #ff6b35;
  box-shadow: 0 0 20px #ff6b35, 0 0 40px #ff6b35, inset 0 0 15px rgba(255, 107, 53, 0.5);
  color: #fff;
  animation: listening-pulse 0.8s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 15px #00ffcc, inset 0 0 10px rgba(0, 255, 204, 0.3);
  }
  50% {
    box-shadow: 0 0 25px #00ffcc, inset 0 0 15px rgba(0, 255, 204, 0.5);
  }
}

@keyframes listening-pulse {
  0%, 100% {
    box-shadow: 0 0 20px #ff6b35, 0 0 40px #ff6b35, inset 0 0 15px rgba(255, 107, 53, 0.5);
  }
  50% {
    box-shadow: 0 0 30px #ff6b35, 0 0 60px #ff6b35, inset 0 0 20px rgba(255, 107, 53, 0.7);
  }
}

/* Disabled/off state for speech button */
.speech-toggle:not(.on):hover {
  background: rgba(0, 234, 255, 0.2);
}

/* Desktop buttons - hidden on mobile */
.desktop-buttons {
  display: flex;
  gap: 8px;
}

/* Mobile menu - hidden by default */
.mobile-menu-toggle {
  display: none;
}

.mobile-dropdown-menu {
  display: none;
  position: fixed;
  bottom: 70px;
  right: 8px;
  background: #05080f;
  border-radius: 12px;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  box-shadow: 0 -4px 10px rgba(0, 255, 255, 0.4);
  border: 1px solid #00eaff;
  z-index: 999;
}

.mobile-dropdown-menu.active {
  display: flex;
}

.mobile-dropdown-menu button {
  width: 100%;
  justify-content: flex-start;
  padding: 8px 12px;
  font-size: 14px;
}

/* ================= SEND BUTTON STATES ================= */
.send-arrow {
  display: flex;
}

.send-stop {
  display: none;
}

/* When sending/thinking - show stop, hide arrow, add neon purple-blue mix */
.chat-answer-button.sending {
  background: linear-gradient(135deg, #b300ff 0%, #00d9ff 100%);
  box-shadow: 0 0 15px #b300ff, 0 0 25px #00d9ff, 0 0 35px #7700ff;
  color: #f0e6ff;
}

.chat-answer-button.sending .send-arrow {
  display: none;
}

.chat-answer-button.sending .send-stop {
  display: flex;
  animation: purpleBlueGlow 1.5s ease-in-out infinite;
}

@keyframes purpleBlueGlow {
  0%, 100% {
    filter: drop-shadow(0 0 2px #b300ff) drop-shadow(0 0 4px #00d9ff);
  }
  50% {
    filter: drop-shadow(0 0 8px #b300ff) drop-shadow(0 0 12px #00d9ff);
  }
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
  .chat-sidebar {
    display: flex;
  }
  
  main {
    left: 0;
    width: 100%;
  }
  
  .sidebar-toggle {
    display: flex;
  }
  
  .desktop-buttons {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .chat-answer-button,
  .mobile-menu-toggle {
    padding: 0 8px;
  }
  
  .btn-label {
    display: none;
  }
  
  .btn-icon {
    width: 18px;
    height: 18px;
  }
}