/* BCG CCI Day 1 Report - Login Page Styles */
/* Version: 1.0.0 */

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

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

body {
  font-family: var(--font-sans);
  background: var(--neutral-900);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow: hidden;
}

/* Background */
.login-background {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.login-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4) saturate(0.8);
}

.login-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 0%, rgba(10, 20, 35, 0.7) 70%),
    linear-gradient(180deg, rgba(10, 20, 35, 0.3) 0%, rgba(10, 20, 35, 0.8) 100%);
}

/* Login Container */
.login-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

/* Login Modal */
.login-modal {
  width: 100%;
  max-width: 420px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset,
    var(--shadow-glow);
  overflow: hidden;
  animation: modalAppear 0.5s var(--transition-spring);
}

@keyframes modalAppear {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Shake animation for errors */
.login-modal.shake {
  animation: shake 0.5s ease;
}

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

/* Login Header */
.login-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  border-bottom: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
}

.login-logo {
  height: 32px;
  width: auto;
}

.login-divider {
  width: 1px;
  height: 24px;
  background: linear-gradient(180deg, transparent, var(--bcg-green), transparent);
}

.login-badge {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* Login Content */
.login-content {
  padding: var(--space-xl);
}

.login-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 500;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

/* Error Message */
.login-error {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-lg);
  color: #fca5a5;
  font-size: var(--text-sm);
}

.login-error svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke: #f87171;
}

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.input-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.input-wrapper {
  position: relative;
}

.login-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  padding-right: 48px;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--transition-base);
}

.login-input::placeholder {
  color: var(--text-muted);
}

.login-input:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
}

.login-input:focus {
  border-color: var(--bcg-green);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(20, 123, 88, 0.15);
}

.login-input.has-error {
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.05);
}

.login-input.has-error:focus {
  border-color: rgba(239, 68, 68, 0.7);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Toggle Password Button */
.toggle-password {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition-base);
}

.toggle-password:hover {
  color: var(--text-secondary);
}

.toggle-password svg {
  width: 20px;
  height: 20px;
}

.toggle-password .eye-closed {
  display: none;
}

.toggle-password.showing .eye-open {
  display: none;
}

.toggle-password.showing .eye-closed {
  display: block;
}

/* Login Button */
.login-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  color: white;
  background: linear-gradient(135deg, var(--bcg-green) 0%, var(--bcg-green-dark) 100%);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(20, 123, 88, 0.25);
}

.login-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(20, 123, 88, 0.35);
  background: linear-gradient(135deg, var(--bcg-green-light) 0%, var(--bcg-green) 100%);
}

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

.login-button svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-base);
}

.login-button:hover svg {
  transform: translateX(3px);
}

/* Login Footer */
.login-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.1);
  text-align: center;
}

.login-footer p {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.login-footer a {
  color: var(--bcg-green-light);
  text-decoration: none;
  transition: color var(--transition-base);
}

.login-footer a:hover {
  color: var(--bcg-green);
  text-decoration: underline;
}

/* Mobile Adjustments */
@media (max-width: 480px) {
  .login-container {
    padding: var(--space-md);
  }

  .login-modal {
    border-radius: var(--radius-xl);
  }

  .login-header {
    padding: var(--space-lg) var(--space-lg) var(--space-md);
  }

  .login-content {
    padding: var(--space-lg);
  }

  .login-footer {
    padding: var(--space-md) var(--space-lg);
  }

  .login-title {
    font-size: var(--text-2xl);
  }
}