/* LUMO Auth Frontend Styles */
/* Based on design specifications: Dark theme with green-cyan gradient */

:root {
  /* Brand Colors */
  --color-primary-green: #ADB31F;  /* R173 G203 B31 */
  --color-primary-cyan: #00CCFF;   /* R0 G204 B255 */
  --color-dark-navy: #0A3E62;
  --color-bg-dark: #0f172a;
  --color-bg-darker: #020617;

  /* UI Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-border: #334155;
  --color-border-light: #475569;

  /* State Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: var(--color-primary-cyan);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary-green) 0%, var(--color-primary-cyan) 100%);
  --gradient-dark: linear-gradient(135deg, var(--color-bg-darker) 0%, var(--color-bg-dark) 100%);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

html {
  font-size: var(--font-size-base);
  height: 100%;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--gradient-dark);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

/* Login Page */
.login-container {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.login-card {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-xl);
}

/* Logo Section */
.logo-section {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: var(--spacing-4);
  border-radius: var(--radius-md);
}

.logo-large {
  width: 120px;
  height: 120px;
}

.logo-extra-large {
  width: 216px;
  height: 216px;
}

.brand-title {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-2);
}

.brand-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 400;
}

/* Alerts */
.alert {
  display: flex;
  align-items: center;
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-6);
  font-size: var(--font-size-sm);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

.alert-icon {
  width: 20px;
  height: 20px;
  margin-right: var(--spacing-3);
  flex-shrink: 0;
}

/* Forms */
.login-form {
  margin-bottom: var(--spacing-6);
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  z-index: 1;
}

.form-input {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4) var(--spacing-3) calc(var(--spacing-10) + var(--spacing-1));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(30, 41, 59, 0.5);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-cyan);
  background: rgba(30, 41, 59, 0.8);
  box-shadow: 0 0 0 3px rgba(0, 204, 255, 0.1);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
  background: rgba(71, 85, 105, 0.5);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(71, 85, 105, 0.8);
  color: var(--color-text-primary);
}

.btn-full {
  width: 100%;
}

.btn-text {
  margin-right: var(--spacing-2);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* Development Tools */
.dev-tools {
  margin-top: var(--spacing-6);
  padding: var(--spacing-4);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
  text-align: center;
}

.dev-info {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-2);
  color: #fbbf24;
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.dev-icon {
  width: 16px;
  height: 16px;
  margin-right: var(--spacing-2);
}

.dev-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-3);
}

.dev-bypass-link {
  color: var(--color-primary-cyan);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.dev-bypass-link:hover {
  text-decoration: underline;
}

/* Footer */
.login-footer {
  text-align: center;
  margin-top: var(--spacing-8);
}

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

/* Error Page */
.error-page {
  background: var(--gradient-dark);
}

.error-container {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.error-card {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.error-icon {
  width: 60px;
  height: 60px;
  color: var(--color-error);
  margin: 0 auto var(--spacing-6);
}

.error-code {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-error);
  margin-bottom: var(--spacing-4);
}

.error-message {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-8);
}

.error-actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  margin-bottom: var(--spacing-6);
}

.error-details {
  text-align: left;
  margin-top: var(--spacing-6);
}

.error-details summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3);
}

.error-stack {
  background: rgba(0, 0, 0, 0.5);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
  color: var(--color-text-muted);
  overflow-x: auto;
  white-space: pre-wrap;
}

/* Responsive Design */
@media (max-width: 480px) {
  body {
    padding: var(--spacing-2);
  }

  .login-card,
  .error-card {
    padding: var(--spacing-6);
  }

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

  .error-code {
    font-size: 3rem;
  }

  .error-actions {
    flex-direction: column;
  }
}

/* Loading Animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Focus styles for accessibility */
.btn:focus-visible,
.form-input:focus-visible {
  outline: 2px solid var(--color-primary-cyan);
  outline-offset: 2px;
}