@import url("https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #00ff88;
  --secondary: #00d4ff;
  --danger: #ff0066;
  --warning: #ffaa00;
  --success: #00ff88;
  --dark: #0a0e27;
  --darker: #050714;
  --light: #ffffff;
  --gray: #8892b0;
  --purple: #9c88ff;
}

body {
  font-family: "Kanit", "Inter", system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #0a0e27 0%, #050714 100%);
  color: var(--light);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Cyber Grid Background */
.cyber-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(0, 255, 136, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

/* Floating particles */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 50%;
  animation: float 15s linear infinite;
  opacity: 0.6;
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  z-index: 1000;
  border-bottom: 2px solid var(--primary);
  box-shadow: 0 4px 30px rgba(0, 255, 136, 0.3);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--light);
  text-decoration: none;
  position: relative;
  transition: all 0.3s;
  padding: 0.5rem 1rem;
  border-radius: 5px;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(0, 255, 136, 0.1);
  transform: translateY(-2px);
}

/* Login Container */
.login-container {
  /* --- MODIFIED: Changed to solid background and removed backdrop-filter to fix 'or' text box --- */
  background: var(--dark); /* #0a0e27 */
  border: 2px solid var(--primary);
  border-radius: 20px;
  padding: 3rem;
  width: 90%;
  max-width: 450px;
  position: relative;
  overflow: hidden;
  /* backdrop-filter: blur(15px); <--- REMOVED */
  box-shadow: 0 20px 60px rgba(0, 255, 136, 0.3);
  z-index: 100;
  animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
  from {
    transform: scale(0.9) translateY(50px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.login-container::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(0, 255, 136, 0.1),
    transparent
  );
  animation: shimmer 3s linear infinite;
  z-index: -1;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.5));
  }
  to {
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8));
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-5px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(5px);
  }
}

.login-subtitle {
  color: var(--gray);
  font-size: 1rem;
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--light);
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 1rem;
  background: rgba(0, 255, 136, 0.1);
  border: 2px solid rgba(0, 255, 136, 0.3);
  border-radius: 10px;
  color: var(--light);
  font-size: 1rem;
  transition: all 0.3s;
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  background: rgba(0, 255, 136, 0.15);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.form-input::placeholder {
  color: var(--gray);
}

.login-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  color: var(--dark);
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.login-btn:active {
  transform: translateY(0);
}

.divider {
  text-align: center;
  margin: 1.5rem 0;
  position: relative;
  color: var(--gray);
}

.divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.divider span {
  /* This now uses the same color as the solid .login-container background 
       to cleanly hide the line without a visible box. */
  background: var(--dark);
  padding: 0 1rem;
  position: relative;
  z-index: 1;
}

.register-link {
  text-align: center;
  color: var(--gray);
}

.register-link a {
  color: var(--primary);
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s;
}

.register-link a:hover {
  color: var(--secondary);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper .form-input {
  padding-right: 3rem;
}

.toggle-password {
  position: absolute;
  right: 1rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 10;
}

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

.eye-icon {
  color: var(--gray);
  transition: all 0.3s;
}

.toggle-password:hover .eye-icon {
  color: var(--primary);
}

.forgot-password {
  text-align: center;
  margin-top: 1rem;
}

.forgot-password a {
  color: var(--secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.forgot-password a:hover {
  color: var(--primary);
  text-shadow: 0 0 5px rgba(0, 212, 255, 0.5);
}

/* Google Sign In Button */
.google-btn {
  width: 100%;
  padding: 1rem;
  background: white;
  color: #333;
  border: 2px solid rgba(0, 255, 136, 0.3);
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.google-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.95);
}

.google-btn:active {
  transform: translateY(0);
}

.google-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.google-icon {
  flex-shrink: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .login-container {
    padding: 2rem;
    margin: 1rem;
  }

  .login-title {
    font-size: 2rem;
  }

  nav {
    padding: 0.8rem 1rem;
  }

  .nav-links {
    display: none;
  }
}