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

html {
  font-size: 16px;
}

#bgvideo, #bgimage {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  transition: opacity 1s ease-in-out;
}

#bgvideo {
  filter: brightness(0.7);
}

#bgimage {
  filter: brightness(0.8);
}

body {
  margin: 0;
  height: 100vh;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  display: flex;
  min-height: 100vh;
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  overflow: hidden;
  font-size: clamp(14px, 1vw, 18px);
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(10px, 2vw, 40px);
  transition: margin-right 0.3s ease;
}

.card {
  background: rgba(255, 255, 255, 0.2);
  padding: clamp(20px, 3vw, 60px);
  border-radius: clamp(15px, 2vw, 30px);
  width: min(90%, 700px);
  text-align: center;
  color: white;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.greeting {
  font-size: clamp(20px, 2.5vw, 42px);
  font-weight: 600;
  margin-bottom: clamp(8px, 1vw, 18px);
}

#clock {
  font-size: clamp(32px, 4vw, 70px);
  margin-bottom: clamp(15px, 2vw, 35px);
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  letter-spacing: clamp(0px, 0.2vw, 3px);
}

.search-box input {
  width: 100%;
  padding: clamp(10px, 1.5vw, 18px) clamp(12px, 2vw, 24px);
  border-radius: clamp(10px, 1.5vw, 18px);
  border: none;
  outline: none;
  margin-bottom: clamp(15px, 2vw, 30px);
  font-size: clamp(14px, 1.2vw, 20px);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-sizing: border-box;
}

.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.search-box input:focus {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr));
  gap: clamp(8px, 1.5vw, 20px);
  margin-top: clamp(8px, 1.5vw, 18px);
}

.quick-links a {
  background: rgba(255, 255, 255, 0.15);
  padding: clamp(8px, 1.5vw, 18px) clamp(10px, 2vw, 25px);
  border-radius: clamp(8px, 1.5vw, 15px);
  text-decoration: none;
  color: #fff;
  font-size: clamp(12px, 1.2vw, 18px);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

.quick-links a:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: scale(1.05);
}

.quick-links a:active {
  transform: scale(0.98);
}

.quick-links a i {
  margin-right: clamp(5px, 1vw, 12px);
  font-size: clamp(12px, 1.2vw, 18px);
}

.chat-sidebar {
  position: fixed;
  top: 0;
  right: -100%;
  width: clamp(380px, 25vw, 600px);
  height: 100vh;
  background: rgba(30, 30, 40, 0.95);
  backdrop-filter: blur(10px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease;
  z-index: 1000;
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
}

.chat-sidebar.open {
  right: 0;
}

.chat-header {
  padding: clamp(15px, 2vw, 30px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(8px, 1vw, 15px);
}

.chat-title {
  font-size: clamp(16px, 1.5vw, 24px);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: clamp(8px, 1vw, 15px);
}

.chat-actions {
  display: flex;
  gap: clamp(6px, 1vw, 15px);
  flex-wrap: wrap;
}

.chat-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  padding: clamp(6px, 1vw, 12px) clamp(10px, 1.5vw, 18px);
  border-radius: clamp(6px, 1vw, 12px);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: clamp(3px, 0.8vw, 8px);
  transition: background 0.2s;
  font-size: clamp(11px, 1vw, 16px);
  white-space: nowrap;
}

.chat-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.chat-btn:active {
  transform: scale(0.95);
}

.chat-history {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: clamp(10px, 2vw, 25px);
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.5vw, 20px);
}

.chat-message {
  padding: clamp(10px, 1.5vw, 18px) clamp(12px, 2vw, 22px);
  border-radius: clamp(10px, 1.5vw, 18px);
  max-width: 85%;
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
  font-size: clamp(13px, 1.1vw, 18px);
}

.user-message {
  background: rgba(102, 126, 234, 0.3);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.ai-message {
  background: rgba(255, 255, 255, 0.1);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  position: relative;
}

.chat-input-container {
  padding: clamp(15px, 2vw, 30px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-input-wrapper {
  display: flex;
  gap: clamp(8px, 1.5vw, 15px);
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  padding: clamp(10px, 1.5vw, 18px) clamp(12px, 2vw, 20px);
  border-radius: clamp(10px, 1.5vw, 18px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  outline: none;
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  resize: none;
  min-height: clamp(40px, 5vw, 70px);
  max-height: 200px;
  font-size: clamp(13px, 1.1vw, 18px);
  line-height: 1.6;
}

.chat-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.send-btn {
  background: #667eea;
  border: none;
  color: white;
  padding: clamp(10px, 1.5vw, 18px) clamp(12px, 2vw, 20px);
  border-radius: clamp(10px, 1.5vw, 18px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  min-width: clamp(40px, 5vw, 70px);
  min-height: clamp(40px, 5vw, 70px);
}

.send-btn:hover {
  background: #5a6fd8;
}

.send-btn:active {
  transform: scale(0.95);
}

.send-btn:disabled {
  background: #666;
  cursor: not-allowed;
}

.send-btn i {
  font-size: clamp(14px, 1.2vw, 20px);
}

.chat-toggle {
  position: fixed;
  top: clamp(15px, 2vw, 35px);
  right: clamp(15px, 2vw, 35px);
  background: rgba(30, 30, 40, 0.9);
  border: none;
  color: white;
  padding: clamp(10px, 1.5vw, 20px);
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
  width: clamp(40px, 5vw, 70px);
  height: clamp(40px, 5vw, 70px);
}

.chat-toggle:hover {
  transform: scale(1.1);
}

.chat-toggle:active {
  transform: scale(0.95);
}

.chat-toggle i {
  font-size: clamp(16px, 1.5vw, 28px);
}

.loading {
  position: fixed;
  top: clamp(15px, 2vw, 35px);
  left: clamp(15px, 2vw, 35px);
  background: rgba(0, 0, 0, 0.5);
  color: white;
  padding: clamp(4px, 1vw, 10px) clamp(8px, 1.5vw, 18px);
  border-radius: clamp(4px, 1vw, 10px);
  font-size: clamp(10px, 1vw, 16px);
  z-index: 999;
}

.wallpaper-info {
  position: fixed;
  bottom: clamp(15px, 2vw, 35px);
  left: clamp(15px, 2vw, 35px);
  background: rgba(0, 0, 0, 0.5);
  color: white;
  padding: clamp(4px, 1vw, 10px) clamp(8px, 1.5vw, 18px);
  border-radius: clamp(4px, 1vw, 10px);
  font-size: clamp(10px, 1vw, 16px);
  z-index: 999;
}

.ai-badge {
  font-size: clamp(9px, 0.9vw, 14px);
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: clamp(2px, 0.4vw, 5px) clamp(4px, 0.8vw, 10px);
  border-radius: clamp(6px, 1vw, 12px);
  margin-top: clamp(4px, 0.8vw, 8px);
  display: inline-block;
  font-weight: bold;
}

.search-badge {
  font-size: clamp(9px, 0.9vw, 14px);
  background: linear-gradient(135deg, #4CAF50, #45a049);
  color: white;
  padding: clamp(2px, 0.4vw, 5px) clamp(4px, 0.8vw, 10px);
  border-radius: clamp(6px, 1vw, 12px);
  margin-top: clamp(4px, 0.8vw, 8px);
  display: inline-block;
  font-weight: bold;
}

.ai-status {
  position: fixed;
  top: clamp(15px, 2vw, 35px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: clamp(4px, 1vw, 10px) clamp(8px, 1.5vw, 18px);
  border-radius: clamp(12px, 2vw, 25px);
  font-size: clamp(10px, 1vw, 16px);
  z-index: 999;
  white-space: nowrap;
  max-width: 90vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

.typing-indicator {
  color: #888;
  font-style: italic;
  font-size: clamp(12px, 1.1vw, 16px);
}

.typing-dots {
  display: inline-flex;
  margin-left: clamp(4px, 0.5vw, 8px);
}

.typing-dots span {
  height: clamp(3px, 0.5vw, 6px);
  width: clamp(3px, 0.5vw, 6px);
  background: #888;
  border-radius: 50%;
  margin: 0 clamp(1px, 0.2vw, 2px);
  animation: typing 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: 0s; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(clamp(-4px, -0.5vw, -8px)); }
}

.chat-history::-webkit-scrollbar {
  width: clamp(4px, 0.6vw, 10px);
}

.chat-history::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: clamp(2px, 0.4vw, 5px);
}

.chat-history::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: clamp(2px, 0.4vw, 5px);
}

.chat-history::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

.message-time {
  font-size: clamp(9px, 0.9vw, 14px);
  color: rgba(255, 255, 255, 0.5);
  margin-top: clamp(3px, 0.6vw, 8px);
  text-align: right;
}

.video-controls {
  position: fixed;
  bottom: clamp(15px, 2vw, 35px);
  right: clamp(15px, 2vw, 35px);
  display: flex;
  gap: clamp(8px, 1.5vw, 18px);
  z-index: 999;
  flex-wrap: wrap;
}

.control-btn {
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: white;
  padding: clamp(6px, 1vw, 14px) clamp(10px, 1.5vw, 20px);
  border-radius: clamp(6px, 1vw, 12px);
  cursor: pointer;
  font-size: clamp(11px, 1vw, 16px);
  transition: background 0.2s;
  white-space: nowrap;
}

.control-btn:hover {
  background: rgba(0, 0, 0, 0.7);
}

.control-btn:active {
  transform: scale(0.95);
}

@media (min-width: 2560px) {
  html {
    font-size: 18px;
  }
  
  .card {
    max-width: 900px;
  }
  
  .chat-sidebar {
    width: min(700px, 100vw);
  }
}

@media (min-width: 3840px) {
  html {
    font-size: 20px;
  }
  
  .card {
    max-width: 1200px;
    padding: clamp(40px, 4vw, 80px);
  }
  
  .chat-sidebar {
    width: min(900px, 100vw);
  }
  
  #clock {
    font-size: clamp(50px, 4.5vw, 90px);
  }
  
  .greeting {
    font-size: clamp(30px, 3vw, 52px);
  }
}

@media (max-width: 1024px) {
  .card {
    width: min(85%, 600px);
  }
  
  .quick-links {
    grid-template-columns: repeat(auto-fit, minmax(min(130px, 100%), 1fr));
  }
}

@media (max-width: 768px) {
  .chat-sidebar {
    width: min(92vw, 420px);
    right: -120%;
    top: clamp(70px, 12vh, 90px);
    bottom: clamp(16px, 5vh, 28px);
    height: auto;
    border-radius: 16px;
  }
  
  .chat-sidebar.open {
    right: 4vw;
  }
  
  .card {
    width: min(95%, 500px);
    padding: clamp(20px, 4vw, 30px) clamp(15px, 3vw, 20px);
  }
  
  .greeting {
    font-size: clamp(18px, 5vw, 24px);
  }
  
  #clock {
    font-size: clamp(28px, 8vw, 36px);
  }
  
  .quick-links {
    grid-template-columns: 1fr;
  }
  
  .quick-links a {
    width: 100%;
  }
  
  .ai-status {
    top: clamp(60px, 10vw, 80px);
    font-size: clamp(9px, 2vw, 10px);
    padding: clamp(3px, 0.8vw, 4px) clamp(6px, 1.5vw, 8px);
  }
  
  .wallpaper-info {
    bottom: clamp(10px, 2vw, 15px);
    left: clamp(10px, 2vw, 15px);
    font-size: clamp(9px, 2vw, 10px);
  }
  
  .loading {
    top: clamp(10px, 2vw, 15px);
    left: clamp(10px, 2vw, 15px);
    font-size: clamp(9px, 2vw, 10px);
  }
  
  .chat-toggle {
    top: clamp(10px, 2vw, 15px);
    right: clamp(10px, 2vw, 15px);
  }
  
  .chat-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .chat-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .chat-message {
    max-width: 90%;
  }
}

@media (max-width: 480px) {
  .card {
    width: 95%;
  }
  
  .chat-btn {
    font-size: 11px;
    padding: 6px 8px;
  }
  
  .chat-btn span {
    display: none;
  }
  
  .chat-actions {
    gap: 5px;
  }
}

@media (max-width: 360px) {
  .greeting {
    font-size: 18px;
  }
  
  #clock {
    font-size: 28px;
  }
  
  .quick-links a {
    font-size: 12px;
    padding: 8px 10px;
  }
}

@media (orientation: landscape) and (max-height: 600px) {
  .card {
    padding: 20px;
  }
  
  #clock {
    font-size: clamp(24px, 6vh, 36px);
    margin-bottom: 10px;
  }
  
  .greeting {
    font-size: clamp(16px, 4vh, 24px);
    margin-bottom: 5px;
  }
  
  .search-box input {
    margin-bottom: 10px;
  }
  
  .quick-links {
    margin-top: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@supports (-webkit-touch-callout: none) {
  body {
    min-height: -webkit-fill-available;
  }
}