@import url('https://fonts.googleapis.com/css2?family=Georgia&family=Roboto:wght@400;700&display=swap');

:root {
    --primary-color: #4A90E2;
    --secondary-color: #50E3C2;
    --background-color: #F7F9FC;
    --surface-color: #FFFFFF;
    --text-color: #333333;
    --light-gray-color: #EAEAEA;
    --success-color: #28a745;
}

body {
    background-color: var(--background-color);
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', serif;
    color: var(--primary-color);
}

.survey-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--surface-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.survey-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 0.5rem;
}

.survey-header h1 {
    color: white;
    margin: 0;
}

.progress {
    height: 10px;
    margin-bottom: 2rem;
    border-radius: 5px;
}

.progress-bar {
    background-color: var(--secondary-color);
    transition: width 0.4s ease;
}

.question-card {
    background: var(--surface-color);
    border: 1px solid var(--light-gray-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.3s ease;
}

.question-card:focus-within {
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.2);
    border-color: var(--primary-color);
}

.form-label {
    font-weight: bold;
    margin-bottom: 0.75rem;
    display: block;
}

.form-control, .form-check-input {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.2);
}

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

.form-check-label {
    margin-left: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-weight: bold;
    border-radius: 0.25rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background-color: #357ABD;
    transform: translateY(-2px);
}

.survey-footer {
    text-align: center;
    margin-top: 2rem;
}

.powered-by {
    font-size: 0.9rem;
    color: #aaa;
    margin-top: 1rem;
}

.powered-by a {
    color: #aaa;
    text-decoration: none;
}

.powered-by a:hover {
    color: var(--primary-color);
}

/* Toast Notification */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1050;
}

.toast {
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.toast.show {
    opacity: 1;
}