/* Modern Login Page Styles */

:root {
    /* Dashboard matching palette for login */
    --login-primary: #667eea; /* purple-blue */
    --login-secondary: #764ba2; /* purple */
    --login-gradient: linear-gradient(135deg, var(--login-primary) 0%, var(--login-secondary) 100%);
    --login-gray-50: #f9fafb;
    --login-gray-100: #f3f4f6;
    --login-gray-200: #e5e7eb;
    --login-gray-300: #d1d5db;
    --login-gray-400: #9ca3af;
    --login-gray-500: #6b7280;
    --login-gray-600: #4b5563;
    --login-gray-700: #374151;
    --login-gray-800: #1f2937;
    --login-gray-900: #111827;
    --login-border-radius: 12px;
    --login-border-radius-lg: 20px;
    --login-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --login-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --login-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --login-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --login-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Main login layout and container */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--login-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 450px;
    width: 100%;
    margin: 20px;
}

.login-header {
    background: var(--login-gradient);
    padding: 40px 30px 30px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(50%, -50%);
}

.login-header h1 {
    font-size: 28px;
    font-weight: 600;
    margin: 0 0 10px 0;
    color: white;
}

.login-header p {
    opacity: 0.9;
    margin: 0;
    font-size: 16px;
}

.login-form {
    padding: 40px 30px;
}

.form-control {
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 16px;
    background: #fafbfc;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    background: #fff;
}

.btn-login {
    background: var(--login-gradient);
    border: none;
    border-radius: 12px;
    padding: 14px 30px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    width: 100%;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    color: white;
}



/* Additional form styling improvements */
.login-form .form-floating.has-error input {
    border-color: #dc3545;
}

.login-form .form-floating input:focus {
    padding-top: 1.625rem;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}


.focused .form-control {
    transform: scale(1);
}

/* Loading states */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* Input focus enhancements */
.form-control:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.15);
    outline: none;
}

/* Button hover animations */
@media (hover: hover) {
    .btn-login:hover {
        transform: translateY(-2px) scale(1.02);
        box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    }
}

/* Form validation states */
.form-floating.has-error input {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.15) !important;
}

.form-floating.has-error label {
    color: #dc3545;
}

/* Enhanced error handling */
.has-error .form-control:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}



/* Enhanced responsive design */
@media (max-width: 576px) {
    .login-container {
        margin: 10px !important;
        border-radius: 15px !important;
        box-shadow: var(--login-shadow-lg);
    }
    
    .login-header {
        padding: 25px 20px !important;
    }
    
    .login-header h1 {
        font-size: 22px !important;
    }
    
    .login-form {
        padding: 25px 20px !important;
    }
    
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .login-container {
        border: 2px solid var(--login-gray-800);
    }
    
    .form-control {
        border-width: 2px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .btn-login,
    .form-control,
    .form-control:focus {
        transition: none;
    }
    
    .btn-login:hover {
        transform: none;
    }
}

/* Accessibility enhancements */
@media (prefers-reduced-motion: no-preference) {
    .form-control:focus {
        transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    }
}

/* Focus indicators for keyboard navigation */
.btn-login:focus-visible {
    outline: 2px solid var(--login-primary);
    outline-offset: 2px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    }
    
    .login-container {
        background: rgba(30, 30, 30, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.1);
        color: #e5e7eb;
    }
    
    .form-control {
        background: rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.2);
        color: white;
    }
    
    .form-control:focus {
        background: rgba(255, 255, 255, 0.1);
        border-color: #667eea;
    }
    
    .form-check-label {
        color: #d1d5db;
    }
    
}

/* Print styles */
@media print {
    body {
        background: white !important;
    }
    
    .login-container {
        box-shadow: none !important;
        border: 1px solid #000;
    }
    
}