/* Authentication Pages - Modern UI Styles */

/* Auth Body Layout */
.auth-body {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

/* Auth Card */
.auth-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin: 1rem 0;
    border: none;
    backdrop-filter: blur(10px);
}

.auth-card-large {
    max-width: 550px;
    margin: 0 auto;
}

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

.auth-logo {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: #4a5568; /* Darker gray-700 for better contrast (was gray-500) */
    font-size: 1rem;
    margin-bottom: 0;
}

/* Form Sections */
.form-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 1rem;
}

.form-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.form-section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    border-radius: 2px;
    margin-right: 0.75rem;
}

/* Form Controls */
.auth-form .form-floating {
    margin-bottom: 1rem;
    position: relative;
}

.auth-form .form-control {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 1rem 1rem 1rem 1rem;
    font-size: 1rem;
    height: auto;
    transition: all 0.2s ease;
    background-color: #f8fafc;
}

.auth-form .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background-color: white;
}

.auth-form .form-floating > label {
    padding: 1rem 1rem;
    color: #2d3748; /* Gray-800 for better contrast */
    font-weight: 500;
}

.auth-form .form-control:focus ~ label,
.auth-form .form-control:not(:placeholder-shown) ~ label {
    color: #667eea;
    font-weight: 600;
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.password-toggle .btn {
    border: none;
    background: none;
    color: #4a5568;
    padding: 0.25rem;
    font-size: 0.875rem;
}

.password-toggle .btn:hover {
    color: #667eea;
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
}

.password-strength-bar {
    height: 4px;
    background-color: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.password-strength-fill {
    height: 100%;
    width: 0%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.password-strength-fill.weak {
    width: 25%;
    background-color: #f56565;
}

.password-strength-fill.fair {
    width: 50%;
    background-color: #ed8936;
}

.password-strength-fill.good {
    width: 75%;
    background-color: #38b2ac;
}

.password-strength-fill.strong {
    width: 100%;
    background-color: #48bb78;
}

.password-strength-text {
    font-size: 0.875rem;
    color: #4a5568;
    margin-bottom: 0.75rem;
}

.password-requirements {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.requirement {
    font-size: 0.75rem;
    color: #4a5568;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.requirement.met {
    color: #48bb78;
}

.requirement.met i {
    color: #48bb78 !important;
}

.requirement i {
    font-size: 0.75rem;
    width: 12px;
}

/* Buttons */
.auth-form .btn {
    border-radius: 12px;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.auth-form .btn-primary {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    border: none;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.auth-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

.auth-form .btn-primary:disabled {
    background: #cbd5e0;
    transform: none;
    box-shadow: none;
    cursor: not-allowed;
}

.btn-spinner {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-spinner {
    display: inline;
}

/* Check boxes */
.auth-form .form-check {
    margin: 1.5rem 0;
}

.auth-form .form-check-input {
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0;
}

.auth-form .form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.auth-form .form-check-label {
    color: #2d3748;
    font-size: 0.875rem;
    margin-left: 0.5rem;
}

/* Links */
.auth-links {
    text-align: center;
    margin: 1.5rem 0;
}

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

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

/* Footer */
.auth-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.auth-footer p {
    margin-bottom: 1rem;
    color: #4a5568;
    font-size: 0.875rem;
}

.auth-footer .btn-outline-primary {
    border: 2px solid #667eea;
    color: #667eea;
    border-radius: 12px;
    padding: 0.625rem 1.5rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.auth-footer .btn-outline-primary:hover {
    background-color: #667eea;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Messages */
.auth-messages {
    margin-bottom: 1.5rem;
}

.auth-messages .alert {
    border-radius: 12px;
    border: none;
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
}

.auth-messages .alert-danger {
    background-color: #fed7d7;
    color: #742a2a;
}

.auth-messages .alert-success {
    background-color: #c6f6d5;
    color: #22543d;
}

/* Success State */
.success-icon {
    margin: 2rem 0 1rem;
}

/* Form Validation */
.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: #f56565;
    background-image: none;
}

.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: #48bb78;
    background-image: none;
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: #f56565;
}

.valid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: #48bb78;
}

/* Profile Page Specific */
.avatar-large {
    text-align: center;
}

/* Responsive Design */
@media (max-width: 576px) {
    .auth-body {
        padding: 10px;
    }
    
    .auth-card {
        padding: 1.5rem;
        border-radius: 12px;
        margin: 0.5rem 0;
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
    
    .password-requirements {
        grid-template-columns: 1fr;
    }
    
    .form-section {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }
}

@media (max-width: 768px) {
    .auth-container {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .auth-card-large {
        max-width: 100%;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.3s ease-in-out;
}

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

/* Loading States */
.btn.loading {
    pointer-events: none;
}

.form-control.loading {
    background-image: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Focus Management */
.auth-form input:focus,
.auth-form select:focus,
.auth-form textarea:focus {
    outline: none;
}

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

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}