* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.container {
    width: 100%;
    max-width: 28rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    padding: 2rem;
    text-align: center;
}

.icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    opacity: 0.8;
}

h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #0f172a;
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #0f172a;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

p {
    font-size: 1rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.features {
    text-align: left;
    background: #eff6ff;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #1e40af;
    margin-bottom: 0.75rem;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.btn-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn {
    width: 100%;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.btn-primary {
    background: #4f46e5;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #4338ca;
}

.btn-secondary {
    background: white;
    border: 2px solid #e0e7ff;
    color: #475569;
}

.btn-secondary:hover {
    border-color: #4f46e5;
    background: #eef2ff;
}

.btn-success {
    background: #16a34a;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #15803d;
}

.btn:disabled {
    background: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
}

.progress-container {
    width: 100%;
    max-width: 28rem;
    margin-bottom: 1.5rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.progress-bar {
    width: 100%;
    height: 0.625rem;
    background: #cbd5e1;
    border-radius: 9999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #4f46e5;
    transition: width 0.3s;
    border-radius: 9999px;
}

.progress-fill.pre-quiz {
    background: #3b82f6;
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #475569;
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: #4f46e5;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.option-btn {
    width: 100%;
    text-align: left;
    padding: 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    background: white;
    font-size: 1rem;
    font-weight: 500;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s;
}

.option-btn:hover {
    border-color: #4f46e5;
    background: #eef2ff;
}

.gdpr-box {
    background: #f8fafc;
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    font-size: 0.75rem;
    color: #64748b;
    text-align: justify;
    margin-bottom: 1rem;
}

.gdpr-title {
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 0.25rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    margin-bottom: 1.5rem;
    text-align: left;
}

.checkbox-label input {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
}

.checkbox-label span {
    font-size: 0.75rem;
    color: #475569;
}

.session-id {
    margin-top: 1rem;
    font-size: 0.75rem;
    color: #94a3b8;
}

.result-score {
    background: #eef2ff;
    padding: 1rem;
    border-radius: 0.75rem;
    color: #3730a3;
    margin-bottom: 1.5rem;
}

.result-score-number {
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.result-score-label {
    font-size: 0.875rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.flag {
    font-size: 1.5rem;
}

.question-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #3b82f6;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

@media (max-width: 640px) {
    .container {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
}

/* Spacing between contact buttons */
.container .btn + .btn {
    margin-top: 0.75rem;
}