/* ============================================
   FasFerry Checker - Modern Login Design
   ============================================ */

/* Import Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

/* Container */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: var(--theme-bg-primary, var(--neutral-950));
  position: relative;
  overflow: hidden;
}

/* Animated Background */
.login-page::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(var(--theme-primary-rgb, 255, 215, 0), 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(var(--theme-primary-rgb, 255, 215, 0), 0.03) 0%,
      transparent 50%
    );
  animation: rotate 30s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Main Container */
.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  animation: fadeIn 0.6s var(--ease-out);
}

/* Logo */
.logo-container {
  text-align: center;
  margin-bottom: var(--space-8);
  animation: slideIn 0.8s var(--ease-out);
}

.logo-container img {
  width: 100px;
  height: 100px;
  filter: drop-shadow(
    0 0 20px rgba(var(--theme-primary-rgb, 255, 215, 0), 0.3)
  );
  transition: transform var(--transition-slow) var(--ease-bounce);
}

.logo-container img:hover {
  transform: scale(1.05) rotate(-5deg);
}

.logo-title {
  margin-top: var(--space-4);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  background: var(--theme-gradient-primary, var(--gradient-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

/* Alert Messages */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: slideIn var(--transition-slow) var(--ease-out);
  backdrop-filter: blur(var(--blur-sm));
}

.alert i {
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.alert-success {
  background: linear-gradient(
    135deg,
    rgba(34, 197, 94, 0.1) 0%,
    rgba(22, 163, 74, 0.15) 100%
  );
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--success-light);
}

.alert-danger {
  background: linear-gradient(
    135deg,
    rgba(239, 68, 68, 0.1) 0%,
    rgba(220, 38, 38, 0.15) 100%
  );
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error-light);
}

/* Card */
.card {
  background: var(--theme-bg-card, rgba(23, 23, 23, 0.8));
  backdrop-filter: blur(var(--blur-lg));
  border-radius: var(--radius-2xl);
  border: 1px solid var(--theme-border, rgba(255, 215, 0, 0.1));
  padding: var(--space-8);
  box-shadow:
    var(--shadow-2xl), var(--theme-shadow-glow-sm, var(--shadow-gold-sm));
  transition: all var(--transition-slow) var(--ease-out);
  animation: scaleIn 0.5s var(--ease-out);
}

.card:hover {
  border-color: var(--theme-border-hover, rgba(255, 215, 0, 0.2));
  box-shadow:
    var(--shadow-2xl), var(--theme-shadow-glow, var(--shadow-gold-md));
  transform: translateY(-2px);
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  padding: var(--space-1);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
}

.tab-item {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  text-align: center;
  color: var(--theme-text-secondary, var(--neutral-400));
  cursor: pointer;
  border-radius: var(--radius-md);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  transition: all var(--transition-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.tab-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--theme-gradient-primary, var(--gradient-gold));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.tab-item:hover {
  color: var(--theme-text-primary, var(--neutral-100));
  background: rgba(var(--theme-primary-rgb, 255, 215, 0), 0.05);
}

.tab-item.active {
  color: var(--theme-bg-primary, var(--neutral-950));
  font-weight: var(--font-semibold);
}

.tab-item.active::before {
  opacity: 1;
}

.tab-item i {
  margin-right: var(--space-2);
}

/* Form */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn var(--transition-slow) var(--ease-out);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--theme-primary-light, var(--primary-300));
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  letter-spacing: 0.01em;
}

.form-input-wrapper {
  position: relative;
}

.form-input-wrapper i {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--theme-primary, var(--primary-500));
  font-size: var(--text-lg);
  transition: all var(--transition-base);
  pointer-events: none;
}

.form-input {
  width: 100%;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
  background: var(--theme-bg-input, rgba(255, 255, 255, 0.05));
  border: 1.5px solid rgba(var(--theme-primary-rgb, 255, 215, 0), 0.2);
  border-radius: var(--radius-lg);
  color: var(--theme-text-primary, var(--neutral-100));
  font-size: var(--text-base);
  font-family: var(--font-sans);
  transition: all var(--transition-base) var(--ease-out);
}

.form-input::placeholder {
  color: var(--theme-text-muted, var(--neutral-500));
}

.form-input:hover {
  background: rgba(var(--theme-primary-rgb, 255, 215, 0), 0.07);
  border-color: rgba(var(--theme-primary-rgb, 255, 215, 0), 0.3);
}

.form-input:focus {
  outline: none;
  background: rgba(var(--theme-primary-rgb, 255, 215, 0), 0.08);
  border-color: var(--theme-primary, var(--primary-500));
  box-shadow: 0 0 0 3px rgba(var(--theme-primary-rgb, 255, 215, 0), 0.1);
}

.form-input:focus + .form-input-wrapper i {
  color: var(--theme-primary-light, var(--primary-400));
  transform: translateY(-50%) scale(1.1);
}

/* Submit Button */
.submit-btn {
  width: 100%;
  padding: var(--space-4);
  background: var(--theme-gradient-primary, var(--gradient-gold));
  color: var(--theme-bg-primary, var(--neutral-950));
  border: none;
  border-radius: var(--radius-lg);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  cursor: pointer;
  transition: all var(--transition-base) var(--ease-out);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(var(--theme-primary-rgb, 255, 215, 0), 0.2);
}

.submit-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s var(--ease-out),
    height 0.6s var(--ease-out);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--theme-primary-rgb, 255, 215, 0), 0.3);
}

.submit-btn:hover::before {
  width: 300px;
  height: 300px;
}

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

.submit-btn i {
  margin-right: var(--space-2);
}

/* Loading State */
.submit-btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.submit-btn.loading::after {
  content: "";
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid var(--theme-bg-primary, var(--neutral-950));
  border-top-color: transparent;
  border-radius: var(--radius-full);
  animation: spin 0.6s linear infinite;
}

/* Footer */
.footer-text {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--theme-text-secondary, var(--neutral-400));
  animation: fadeIn 1s var(--ease-out) 0.3s both;
}

.footer-text span {
  background: linear-gradient(
    90deg,
    var(--theme-primary-light, var(--primary-400)) 0%,
    var(--theme-primary, var(--primary-500)) 25%,
    #ff4500 50%,
    #3b82f6 75%,
    #22c55e 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--theme-text-muted, var(--neutral-500));
  font-size: var(--text-sm);
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(var(--theme-primary-rgb, 255, 215, 0), 0.2),
    transparent
  );
}

/* Responsive */
@media (max-width: 480px) {
  .login-container {
    max-width: 100%;
  }

  .card {
    padding: var(--space-6);
  }

  .logo-container img {
    width: 80px;
    height: 80px;
  }

  .logo-title {
    font-size: var(--text-xl);
  }

  .tab-item {
    padding: var(--space-3);
    font-size: var(--text-xs);
  }

  .tab-item i {
    display: none;
  }
}

/* Dark Mode Enhancement */
@media (prefers-color-scheme: dark) {
  .card {
    background: var(--theme-bg-card, rgba(10, 10, 10, 0.9));
  }
}

/* Light Mode Login Overrides */
[data-theme="light-mode"] .login-page {
  background: var(--theme-bg-primary);
}

[data-theme="light-mode"] .card {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(37, 99, 235, 0.15);
}

[data-theme="light-mode"] .form-input {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="light-mode"] .tab-item.active {
  color: #ffffff;
}