/* Auth Page Styles */
:root {
    --primary-color: #0061f2;
    --primary-dark: #0044a9;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white-color: #ffffff;
    --shadow-sm: 0 .125rem .25rem rgba(0,0,0,.075);
    --shadow-md: 0 .5rem 1rem rgba(0,0,0,.15);
    --shadow-lg: 0 1rem 3rem rgba(0,0,0,.175);
    --transition: all 0.3s ease;
    --border-radius: 15px;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f7fa;
}

.auth-container {
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0061f2 0%, #6610f2 100%);
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.auth-container::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    bottom: -50px;
    left: -50px;
}

.auth-card {
    background: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-width: 1000px;
    width: 100%;
    position: relative;
    z-index: 10;
    animation: fadeIn 0.6s ease-out forwards;
}

.auth-tabs {
    display: flex;
    background: var(--light-color);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.auth-tab {
    flex: 1;
    padding: 1.25rem;
    text-align: center;
    cursor: pointer;
    border: none;
    background: transparent;
    font-weight: 600;
    color: var(--secondary-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.auth-tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

.auth-tab:hover {
    color: var(--primary-color);
}

.auth-tab.active {
    background: var(--white-color);
    color: var(--primary-color);
}

.auth-tab.active::before {
    width: 100%;
}

.auth-content {
    padding: 2.5rem;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.tab-pane.active {
    display: block;
}

.auth-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white-color);
    font-size: 1.75rem;
    box-shadow: 0 10px 20px rgba(0, 97, 242, 0.3);
    transition: var(--transition);
}

.auth-icon:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 97, 242, 0.4);
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background-color: #f8f9fa;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 97, 242, 0.15);
    background-color: var(--white-color);
}

.input-group-text {
    background-color: #f8f9fa;
    border: 2px solid #e9ecef;
    border-right: none;
    border-radius: 10px 0 0 10px;
    color: var(--secondary-color);
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 10px 10px 0;
}

.input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 97, 242, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 97, 242, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #20c997);
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.2);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(40, 167, 69, 0.4);
}

.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.alert-danger {
    background-color: #fff5f5;
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-success {
    background-color: #f0fff4;
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.modality-checkbox {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--light-color);
}

.modality-checkbox:hover {
    border-color: var(--primary-color);
    background: #f0f7ff;
    transform: translateY(-2px);
}

.modality-checkbox input:checked + label {
    color: var(--primary-color);
    font-weight: 600;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .auth-content {
        padding: 1.5rem;
    }
    
    .auth-tab {
        padding: 1rem 0.5rem;
        font-size: 0.9rem;
    }
    
    .auth-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}