/* SmartTrader Login Page Styles */

:root {
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #111827;
  --color-bg-card: rgba(17, 24, 39, 0.8);
  --color-accent-primary: #06b6d4;
  --color-accent-secondary: #8b5cf6;
  --color-accent-gradient-start: #06b6d4;
  --color-accent-gradient-end: #8b5cf6;
  --color-text-primary: #f9fafb;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;
  --color-border: rgba(75, 85, 99, 0.4);
  --color-google-blue: #4285f4;
  --color-google-red: #ea4335;
  --color-google-yellow: #fbbc05;
  --color-google-green: #34a853;

  --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.3);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-display);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated Background */
.login-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.login-background__gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
}

.login-background__grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

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

/* Particles */
.login-background__particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(6, 182, 212, 0.4);
  border-radius: 50%;
  animation: float 15s infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) rotate(720deg);
    opacity: 0;
  }
}

/* Login Container */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

/* Login Card */
.login-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 3rem;
  box-shadow:
    var(--shadow-lg),
    0 0 40px rgba(6, 182, 212, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(6, 182, 212, 0.5),
    rgba(139, 92, 246, 0.5),
    transparent
  );
}

/* Logo Section */
.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

.login-logo__icon {
  width: 80px;
  height: 80px;
  margin-bottom: 1.5rem;
  position: relative;
}

.login-logo__icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 20px rgba(6, 182, 212, 0.5));
}

.login-logo__title {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.login-logo__slogan {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Divider */
.login-divider {
  display: flex;
  align-items: center;
  margin: 2rem 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.login-divider span {
  padding: 0 1rem;
  font-weight: 500;
}

/* Google Sign In Button */
.google-signin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, #4285f4 0%, #357ae8 100%);
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow:
    0 4px 6px -1px rgba(66, 133, 244, 0.3),
    0 2px 4px -1px rgba(66, 133, 244, 0.2);
  position: relative;
  overflow: hidden;
}

.google-signin-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.google-signin-btn:hover::before {
  left: 100%;
}

.google-signin-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 15px -3px rgba(66, 133, 244, 0.4),
    0 4px 6px -2px rgba(66, 133, 244, 0.3);
}

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

.google-signin-btn__icon {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  background: white;
  border-radius: 50%;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.google-signin-btn__icon svg {
  width: 100%;
  height: 100%;
}

/* Footer */
.login-footer {
  margin-top: 2rem;
  text-align: center;
}

.login-footer__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.login-footer__link {
  color: var(--color-accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.login-footer__link:hover {
  color: var(--color-text-primary);
  text-decoration: underline;
}

/* Security Badge */
.security-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  background: rgba(6, 182, 212, 0.05);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.security-badge__icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent-primary);
}

/* Feature Highlights */
.feature-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.feature-item {
  text-align: center;
}

.feature-item__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 10px;
  color: var(--color-accent-primary);
}

.feature-item__title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.feature-item__desc {
  font-size: 0.625rem;
  color: var(--color-text-muted);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-pulse-slow {
  animation: pulse 3s ease-in-out infinite;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 640px) {
  .login-container {
    padding: 1rem;
  }

  .login-card {
    padding: 2rem 1.5rem;
  }

  .login-logo__title {
    font-size: 1.5rem;
  }

  .feature-highlights {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .feature-item {
    display: flex;
    align-items: center;
    text-align: left;
    gap: 1rem;
  }

  .feature-item__icon {
    margin: 0;
    flex-shrink: 0;
  }
}

/* Focus states for accessibility */
.google-signin-btn:focus,
.login-footer__link:focus {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

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