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

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Unbounded', sans-serif;
  /* Фирменные цвета бренда KLEIO */
  --kleio-red: #B71C1C;
  --kleio-ivory: #FAFAFA;
  --kleio-graphite: #1F2937;
  line-height: 1.6;
  color: var(--kleio-graphite);
  background: var(--kleio-ivory);
  overflow-x: hidden;
}

/* Auth Fullscreen Layout */
.auth-fullscreen {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Левая сторона - брендинг */
.auth-brand {
  flex: 1;
  background: linear-gradient(135deg, var(--kleio-red) 0%, #8B1515 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: calc(3rem * var(--scale-factor, 1));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.auth-brand::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.auth-logo {
  width: calc(450px * var(--scale-factor, 1));
  max-width: 90%;
  height: auto;
  margin-bottom: calc(2rem * var(--scale-factor, 1));
  filter: brightness(0) invert(1) drop-shadow(0 calc(8px * var(--scale-factor, 1)) calc(24px * var(--scale-factor, 1)) rgba(0, 0, 0, 0.2));
  position: relative;
  z-index: 1;
}

.auth-subtitle {
  font-family: var(--font-display);
  color: rgba(255, 255, 255, 0.9);
  font-size: calc(1.3rem * var(--scale-factor, 1));
  font-weight: 500;
  line-height: 1.4;
  max-width: calc(400px * var(--scale-factor, 1));
  position: relative;
  z-index: 1;
}

/* Правая сторона - контент */
.auth-form-wrapper {
  flex: 1;
  background: var(--kleio-ivory);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(3rem * var(--scale-factor, 1));
  overflow-y: auto;
}

.auth-form-header {
  text-align: center;
  margin-bottom: calc(2rem * var(--scale-factor, 1));
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: calc(0.5rem * var(--scale-factor, 1));
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  padding: calc(0.5rem * var(--scale-factor, 1)) calc(1rem * var(--scale-factor, 1));
  border-radius: calc(20px * var(--scale-factor, 1));
  font-size: calc(0.85rem * var(--scale-factor, 1));
  font-weight: 600;
  margin: 0 auto calc(1.5rem * var(--scale-factor, 1)) auto;
  border: 1px solid rgba(34, 197, 94, 0.2);
  box-shadow: 0 calc(2px * var(--scale-factor, 1)) calc(8px * var(--scale-factor, 1)) rgba(34, 197, 94, 0.1);
}

.status-dot {
  width: calc(8px * var(--scale-factor, 1));
  height: calc(8px * var(--scale-factor, 1));
  background: #16a34a;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

/* Logo Image */
.logo-image {
  width: calc(320px * var(--scale-factor, 1));
  max-width: 100%;
  height: auto;
  margin: 0 auto calc(1.5rem * var(--scale-factor, 1)) auto;
  display: block;
}

.subtitle {
  font-family: var(--font-display);
  color: var(--kleio-graphite);
  opacity: 0.85;
  font-size: calc(1.1rem * var(--scale-factor, 1));
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: calc(2rem * var(--scale-factor, 1));
  text-align: center;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(1rem * var(--scale-factor, 1));
  margin-bottom: calc(2.5rem * var(--scale-factor, 1));
}

.feature-card {
  background: #fff;
  border: 1px solid rgba(31, 41, 55, 0.12);
  border-radius: calc(12px * var(--scale-factor, 1));
  padding: calc(1.25rem * var(--scale-factor, 1));
  text-align: center;
  transition: all 0.2s ease;
}

.feature-card:hover {
  background: var(--kleio-ivory);
  border-color: rgba(31, 41, 55, 0.2);
  transform: translateY(calc(-2px * var(--scale-factor, 1)));
  box-shadow: 0 calc(4px * var(--scale-factor, 1)) calc(12px * var(--scale-factor, 1)) rgba(31, 41, 55, 0.08);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: calc(0.75rem * var(--scale-factor, 1));
  color: var(--kleio-red);
}

.feature-icon svg {
  width: calc(24px * var(--scale-factor, 1));
  height: calc(24px * var(--scale-factor, 1));
}

.feature-title {
  font-family: var(--font-display);
  font-size: calc(0.95rem * var(--scale-factor, 1));
  font-weight: 600;
  color: var(--kleio-graphite);
  margin-bottom: calc(0.5rem * var(--scale-factor, 1));
}

.feature-text {
  font-size: calc(0.8rem * var(--scale-factor, 1));
  color: var(--kleio-graphite);
  opacity: 0.8;
  line-height: 1.4;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: calc(0.5rem * var(--scale-factor, 1));
  padding: calc(0.875rem * var(--scale-factor, 1)) calc(2rem * var(--scale-factor, 1));
  font-size: calc(1rem * var(--scale-factor, 1));
  font-weight: 600;
  border: none;
  border-radius: calc(8px * var(--scale-factor, 1));
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  width: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--kleio-red) 0%, #8B1515 100%);
  color: var(--kleio-ivory);
  box-shadow: 0 calc(4px * var(--scale-factor, 1)) calc(12px * var(--scale-factor, 1)) rgba(183, 28, 28, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #8B1515 0%, #6B1010 100%);
  transform: translateY(calc(-1px * var(--scale-factor, 1)));
  box-shadow: 0 calc(6px * var(--scale-factor, 1)) calc(16px * var(--scale-factor, 1)) rgba(183, 28, 28, 0.45);
  color: var(--kleio-ivory);
  text-decoration: none;
}

.btn-submit {
  margin-bottom: calc(1.5rem * var(--scale-factor, 1));
}

.btn-icon,
.telegram-icon {
  width: calc(18px * var(--scale-factor, 1));
  height: calc(18px * var(--scale-factor, 1));
  flex-shrink: 0;
}

/* Footer */
.auth-footer {
  text-align: center;
  color: var(--kleio-graphite);
  opacity: 0.65;
  font-size: calc(0.85rem * var(--scale-factor, 1));
}

.auth-footer p {
  margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .auth-fullscreen {
    flex-direction: column;
  }
  
  .auth-brand,
  .auth-form-wrapper {
    flex: none;
  }
  
  .auth-brand {
    min-height: 40vh;
    padding: calc(2rem * var(--scale-factor, 1));
  }
  
  .auth-logo {
    width: calc(300px * var(--scale-factor, 1));
  }
  
  .logo-image {
    width: calc(280px * var(--scale-factor, 1));
  }
}

@media (max-width: 768px) {
  .auth-brand {
    min-height: 35vh;
    padding: calc(1.5rem * var(--scale-factor, 1));
  }
  
  .auth-form-wrapper {
    padding: calc(2rem * var(--scale-factor, 1));
  }
  
  .auth-logo {
    width: calc(250px * var(--scale-factor, 1));
    margin-bottom: calc(1.5rem * var(--scale-factor, 1));
  }
  
  .logo-image {
    width: calc(240px * var(--scale-factor, 1));
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: calc(0.75rem * var(--scale-factor, 1));
  }
  
  .auth-subtitle {
    font-size: calc(1.1rem * var(--scale-factor, 1));
  }
  
  .subtitle {
    font-size: calc(1rem * var(--scale-factor, 1));
  }
}

@media (max-width: 480px) {
  .auth-brand {
    min-height: 30vh;
    padding: calc(1rem * var(--scale-factor, 1));
  }
  
  .auth-form-wrapper {
    padding: calc(1.5rem * var(--scale-factor, 1));
  }
  
  .auth-logo {
    width: calc(200px * var(--scale-factor, 1));
  }
  
  .logo-image {
    width: calc(200px * var(--scale-factor, 1));
  }
  
  .feature-card {
    padding: calc(1rem * var(--scale-factor, 1));
  }
  
  .auth-subtitle {
    font-size: calc(1rem * var(--scale-factor, 1));
  }
  
  .subtitle {
    font-size: calc(0.95rem * var(--scale-factor, 1));
  }
}