/* ===== AUTH STYLES ===== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    padding: 3rem;
    position: relative;
    z-index: 1;
}

.auth-card-small {
    max-width: 450px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.auth-logo i {
    font-size: 2rem;
}

.auth-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--gray-600);
    font-size: 1rem;
}

.auth-form {
    margin-bottom: 1.5rem;
}

.form-section {
    margin-bottom: 2rem;
}

.form-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-hint {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

select.form-input {
    cursor: pointer;
}

.checkbox-label {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    cursor: pointer;
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
}

.checkbox-label span {
    color: var(--gray-700);
    font-size: 0.875rem;
}

.checkbox-label a {
    color: var(--primary-color);
    font-weight: 500;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Role Selector */
.role-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.role-option {
    cursor: pointer;
}

.role-option input[type="radio"] {
    display: none;
}

.role-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    background: var(--white);
}

.role-card i {
    font-size: 2rem;
    color: var(--gray-500);
    transition: var(--transition);
}

.role-card span {
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition);
}

.role-option:hover .role-card {
    border-color: var(--primary-color);
    background: var(--gray-100);
}

.role-option input[type="radio"]:checked + .role-card {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.role-option input[type="radio"]:checked + .role-card i {
    color: var(--primary-color);
}

.role-option input[type="radio"]:checked + .role-card span {
    color: var(--primary-color);
}

/* Button Block */
.btn-block {
    width: 100%;
    justify-content: center;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.auth-footer p {
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--primary-color);
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Auth Divider */
.auth-divider {
    position: relative;
    text-align: center;
    margin: 2rem 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-300);
}

.auth-divider span {
    position: relative;
    background: var(--white);
    padding: 0 1rem;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Demo Accounts */
.demo-accounts {
    margin-top: 1.5rem;
}

.demo-accounts h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 1rem;
    text-align: center;
}

.demo-accounts .btn {
    margin-bottom: 0.75rem;
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert i {
    font-size: 1.25rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Responsive */
@media (max-width: 640px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .role-selector {
        grid-template-columns: 1fr;
    }
    
    .role-card {
        flex-direction: row;
        justify-content: center;
        padding: 1rem;
    }
}