/* Authentication Styles for Life Vault */

/* Auth Body Layout */
.auth-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-header .nav-container {
    padding: 1rem 2rem;
}

.auth-header .logo-text {
    color: white;
}

.auth-header .logo-icon {
    color: white;
}

.brand-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Main Auth Container */
.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 480px;
}

.auth-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Auth Header */
.auth-header-content {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: #6b7280;
    font-size: 1rem;
    margin: 0;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    color: #374151;
    font-size: 0.875rem;
}

.form-input {
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

.form-input.error {
    border-color: #ef4444;
}

/* Password Input */
.password-input-container {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: #6b7280;
    transition: color 0.2s ease;
}

.password-toggle:hover {
    color: #374151;
}

.eye-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Password Requirements */
.password-requirements {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.requirement {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #6b7280;
    transition: color 0.2s ease;
}

.requirement.met {
    color: #10b981;
}

.requirement-icon {
    width: 1rem;
    height: 1rem;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.requirement.met .requirement-icon {
    opacity: 1;
    color: #10b981;
}

/* Checkbox */
.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.5;
}

.checkbox-container input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    margin: 0;
    padding: 0;
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
}

.checkmark {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

.checkbox-label {
    color: #374151;
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: -0.5rem 0;
}

.forgot-link {
    color: #667eea;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.forgot-link:hover {
    color: #5a67d8;
}

/* Buttons */
.btn-full {
    width: 100%;
    justify-content: center;
}

.button-text {
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error Message */
.error-message {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.error-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

/* Success Message */
.success-message {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    color: #16a34a;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.success-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

/* Social Login */
.social-login {
    margin: 2rem 0;
}

.divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e5e7eb;
}

.divider-text {
    background: white;
    padding: 0 1rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.social-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    color: #374151;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.social-btn:hover {
    border-color: #d1d5db;
    background: #f9fafb;
}

.social-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
}

.auth-footer-text {
    color: #6b7280;
    font-size: 0.875rem;
    margin: 0;
}

.auth-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.auth-link:hover {
    color: #5a67d8;
}

/* Responsive Design */
@media (max-width: 640px) {
    .auth-main {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .social-buttons {
        grid-template-columns: 1fr;
    }
    
    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .auth-header .nav-container {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 1.5rem 1rem;
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
}

/* Focus States for Accessibility */
.form-input:focus,
.social-btn:focus,
.password-toggle:focus,
.checkbox-container:focus-within {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .auth-card {
        border: 2px solid #000;
    }
    
    .form-input {
        border-width: 2px;
    }
    
    .social-btn {
        border-width: 2px;
    }
}