:root {
  --bg-dark: #0a0a12;
  --bg-darker: #050508;
  --neon-blue: #00f3ff;
  --neon-pink: #ff00ff;
  --neon-yellow: #ffdd00;
  --neon-green: #00ff88;
  --neon-red: #ff0055;
  --text-primary: #e0f0ff;
  --text-secondary: #88aacc;
  --grid-color: rgba(0, 243, 255, 0.1);
  
  --font-mono: 'Share Tech Mono', monospace;
  --font-tech: 'Orbitron', sans-serif;
}

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

body {
  font-family: var(--font-mono);
  background: radial-gradient(circle at 50% 18%, rgba(0, 243, 255, 0.08), transparent 38%), var(--bg-darker);
  color: var(--text-primary);
  height: 100vh;
  min-height: 100vh;
  overflow: hidden;
  position: relative;
  line-height: 1.5;
}


.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 50%,
    rgba(0, 243, 255, 0.03) 50%
  );
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}


.glitch-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" opacity="0.05"><path d="M0,0 L100,100 M100,0 L0,100" stroke="%2300f3ff"/></svg>');
  pointer-events: none;
  z-index: 1;
  opacity: 0.1;
}


.cyber-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}


#login-screen {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 2;
  padding: 40px 24px;
}

.login-box {
  background: rgba(5, 5, 15, 0.95);
  border: 2px solid var(--neon-blue);
  border-radius: 12px;
  width: 600px;
  max-width: 90vw;
  padding: 0;
  box-shadow: 
    0 0 30px rgba(0, 243, 255, 0.35),
    inset 0 0 20px rgba(0, 243, 255, 0.12),
    0 20px 70px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
  /* backdrop-filter: blur(6px); */
}

.login-box::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, 
    var(--neon-blue), 
    var(--neon-pink), 
    var(--neon-yellow), 
    var(--neon-blue));
  z-index: -1;
  filter: blur(10px);
  opacity: 0.3;
}

.terminal-header {
  background: rgba(0, 20, 40, 0.9);
  padding: 20px 24px;
  border-bottom: 1px solid var(--neon-blue);
}

.terminal-lights {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

.terminal-lights.small {
  margin-bottom: 0;
}

.light {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #333;
}

.light.red { background: var(--neon-red); }
.light.yellow { background: var(--neon-yellow); }
.light.green { background: var(--neon-green); }
.light.active { box-shadow: 0 0 10px currentColor; }

.terminal-header h1 {
  font-family: var(--font-tech);
  font-size: clamp(20px, 6vw, 24px);
  color: var(--neon-blue);
  text-shadow: 0 0 10px var(--neon-blue);
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.header-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-secondary);
}

.header-stats span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.neon-blue { color: var(--neon-blue); text-shadow: 0 0 5px var(--neon-blue); }
.neon-yellow { color: var(--neon-yellow); text-shadow: 0 0 5px var(--neon-yellow); }
.neon-green { color: var(--neon-green); text-shadow: 0 0 5px var(--neon-green); }
.neon-pink { color: var(--neon-pink); text-shadow: 0 0 5px var(--neon-pink); }
.neon-red { color: var(--neon-red); text-shadow: 0 0 5px var(--neon-red); }

.login-form {
  padding: clamp(22px, 5vw, 32px);
}


.neon-label {
  display: block;
  color: var(--neon-blue);
  font-size: clamp(12px, 3.2vw, 14px);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.asdasd {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.cyber-input {
  width: 100%;
  padding: clamp(14px, 4vw, 18px);
  background: rgba(0, 10, 20, 0.8);
  border: 1px solid rgba(0, 243, 255, 0.4);
  border-radius: 2px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: clamp(15px, 4vw, 17px);
  transition: all 0.3s;
}

.cyber-input:focus {
  outline: none;
  border-color: var(--neon-blue);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
  background: rgba(0, 20, 40, 0.8);
}

.button-group {
  display: flex;
  gap: 15px;
  margin: 26px 0;
}

.cyber-btn {
  flex: 1;
  padding: clamp(16px, 4.5vw, 20px);
  border: none;
  border-radius: 8px;
  font-family: var(--font-tech);
  font-size: clamp(13px, 3.4vw, 15px);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.cyber-btn-primary {
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-green));
  color: black;
}

.cyber-btn-secondary {
  background: linear-gradient(45deg, var(--neon-pink), var(--neon-yellow));
  color: black;
}

.btn-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.cyber-btn:hover .btn-glow {
  left: 100%;
}

.cyber-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 243, 255, 0.4);
}

.error-display {
  padding: 15px;
  background: rgba(255, 0, 85, 0.1);
  border: 1px solid var(--neon-red);
  color: var(--neon-red);
  font-size: 14px;
  margin: 16px 0;
  text-align: center;
  animation: errorFlash 0.5s;
}

@keyframes errorFlash {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.login-footer {
  text-align: center;
  font-size: clamp(10px, 2.8vw, 12px);
  color: var(--text-secondary);
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(0, 243, 255, 0.2);
}

.login-footer p {
  margin: 5px 0;
}


#chat-screen {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 2;
  display: none;
}

.chat-container {
  width: 100%;
  height: 100%;
  background: rgba(5, 5, 15, 0.95);
  border: 2px solid var(--neon-blue);
  display: flex;
  flex-direction: column;
  position: relative;
}

.chat-container::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, 
    var(--neon-blue), 
    var(--neon-pink), 
    var(--neon-yellow), 
    var(--neon-blue));
  z-index: -1;
  filter: blur(15px);
  opacity: 0.2;
}


.chat-header {
  background: rgba(0, 20, 40, 0.9);
  padding: 15px 25px;
  border-bottom: 1px solid var(--neon-blue);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header-left h2 {
  font-family: var(--font-tech);
  color: var(--neon-blue);
  font-size: 20px;
  letter-spacing: 2px;
}

.header-right {
  display: flex;
  gap: 25px;
  font-size: 14px;
}

.room-display, .user-display {
  color: var(--text-secondary);
}


.messages-container {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: rgba(0, 5, 10, 0.7);
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 15px;
}


.message-system {
  background: rgba(0, 243, 255, 0.1);
  border-left: 3px solid var(--neon-blue);
  padding: 12px 20px;
  color: var(--neon-blue);
  font-size: 13px;
  margin: 10px 0;
}

.system-text {
  display: flex;
  align-items: center;
  gap: 10px;
}

.system-text::before {
  content: '⚠';
  color: var(--neon-yellow);
}

.message-self {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--neon-green);
  padding: 15px;
  margin-left: 50px;
  position: relative;
}

.message-self::before {
  content: 'YOU';
  position: absolute;
  top: -10px;
  left: -50px;
  background: var(--neon-green);
  color: black;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: bold;
}

.message-other {
  background: rgba(0, 243, 255, 0.1);
  border: 1px solid var(--neon-blue);
  padding: 15px;
  margin-right: 50px;
}

.message-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 12px;
}

.message-nickname {
  color: var(--neon-yellow);
  font-weight: bold;
}

.message-time {
  color: var(--text-secondary);
  font-size: 11px;
}

.message-text {
  line-height: 1.5;
  word-break: break-word;
}


.input-panel {
  background: rgba(0, 20, 40, 0.9);
  padding: 20px;
  border-top: 1px solid var(--neon-blue);
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.input-prompt {
  color: var(--neon-green);
  font-size: 20px;
  font-weight: bold;
}

.message-input {
  flex: 1;
  padding: 15px;
  background: rgba(0, 10, 20, 0.8);
  border: 1px solid var(--neon-blue);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 16px;
}

.message-input:focus {
  outline: none;
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
}

.send-btn {
  padding: 15px 30px;
  background: linear-gradient(45deg, var(--neon-red), var(--neon-pink));
  border: none;
  color: white;
  font-family: var(--font-tech);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.send-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s;
}

.send-btn:hover .send-glow {
  left: 100%;
}

.send-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(255, 0, 85, 0.4);
}

.status-bar {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  padding-top: 10px;
  border-top: 1px solid rgba(0, 243, 255, 0.2);
}


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

.messages-container::-webkit-scrollbar-track {
  background: rgba(0, 10, 20, 0.5);
}

.messages-container::-webkit-scrollbar-thumb {
  background: var(--neon-blue);
  border-radius: 4px;
}

.messages-container::-webkit-scrollbar-thumb:hover {
  background: var(--neon-green);
}


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

.message-system,
.message-self,
.message-other {
  animation: messageAppear 0.3s ease-out;
}


@media (max-width: 768px) {
  .login-box {
    width: 95%;
    margin: 10px;
  }
  
  .button-group {
    flex-direction: column;
  }
  
  .header-right {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  body {
    overflow-y: auto;
  }

  #login-screen {
    align-items: flex-start;
    padding: 28px 14px 42px;
  }

  .login-box {
    width: 100%;
    max-width: 420px;
    border-width: 1px;
    border-radius: 14px;
  }

  .terminal-header {
    padding: 16px 18px;
  }

  .header-stats {
    flex-direction: column;
    gap: 6px;
    font-size: 11px;
  }

  .login-form {
    padding: 18px 16px 22px;
  }

  .asdasd {
    gap: 18px;
  }

  .button-group {
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
  }

  .cyber-btn {
    width: 100%;
  }

  .login-footer {
    margin-top: 18px;
    padding-top: 14px;
  }

  .cyber-grid {
    opacity: 0.18;
    background-size: 34px 34px;
  }

  .chat-header {
    padding: 12px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .header-left h2 {
    font-size: 16px;
  }

  .header-right {
    width: 100%;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
  }

  .messages-container {
    padding: 14px;
  }

  .message-self {
    margin-left: 0;
  }

  .message-self::before {
    left: 0;
  }

  .message-other {
    margin-right: 0;
  }

  .input-panel {
    padding: 14px 16px;
  }

  .input-wrapper {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .input-prompt {
    font-size: 16px;
  }

  .send-btn {
    width: 100%;
    justify-content: center;
  }

  .status-bar {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
}