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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.header-logo {
    max-width: 200px;
    max-height: 80px;
    margin-bottom: 15px;
    padding: 15px 25px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.header h1 {
    color: #333;
    font-size: 2rem;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 1rem;
}

.progress-container {
    margin-bottom: 30px;
}

.progress-bar {
    height: 8px;
    background: linear-gradient(90deg, #2a5298 0%, #1e3c72 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 10%;
}

.progress-text {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    margin-top: 10px;
    font-weight: 500;
}

.section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

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

.section-header {
    margin-bottom: 25px;
}

.section-header h2 {
    color: #333;
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.section-header p {
    color: #666;
    font-size: 0.95rem;
}

.question-group {
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #2a5298;
}

.question-category {
    font-size: 0.85rem;
    color: #2a5298;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.question-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.question-text {
    font-size: 1rem;
    color: #333;
    font-weight: 500;
    flex: 1;
}

.priority-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.priority-critical {
    background: #fee;
    color: #c00;
}

.priority-high {
    background: #fef3cd;
    color: #856404;
}

.priority-medium {
    background: #d1ecf1;
    color: #0c5460;
}

.priority-low {
    background: #e7e7e7;
    color: #666;
}

.required-indicator {
    color: #c00;
    margin-left: 4px;
}

.question-notes {
    font-size: 0.85rem;
    color: #666;
    margin-top: 6px;
    font-style: italic;
}

.reconfirm-warning {
    display: inline-block;
    background: #fff3cd;
    color: #856404;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-top: 8px;
    font-weight: 500;
}

input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #2a5298;
}

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

.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: center;
    padding: 12px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.radio-option:hover,
.checkbox-option:hover {
    border-color: #2a5298;
    background: #e8f0f8;
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    cursor: pointer;
}

.radio-option input[type="radio"]:checked + label,
.checkbox-option input[type="checkbox"]:checked + label {
    font-weight: 600;
    color: #2a5298;
}

.conditional-question {
    margin-top: 15px;
    padding: 15px;
    background: white;
    border-radius: 6px;
    border: 2px dashed #2a5298;
}

.navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #e0e0e0;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(42, 82, 152, 0.4);
}

.btn-secondary {
    background: #e0e0e0;
    color: #333;
}

.btn-secondary:hover {
    background: #d0d0d0;
}

.btn-success {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e063 100%);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(86, 171, 47, 0.4);
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #2a5298;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay p {
    color: white;
    margin-top: 20px;
    font-size: 1.1rem;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1001;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    text-align: center;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-content h2 {
    color: #56ab2f;
    font-size: 2rem;
    margin-bottom: 20px;
}

.modal-content p {
    color: #666;
    margin-bottom: 15px;
    font-size: 1rem;
}

.modal-content strong {
    color: #333;
    font-family: monospace;
    background: #f0f0f0;
    padding: 4px 8px;
    border-radius: 4px;
}

.modal-content .btn {
    margin: 10px 5px;
}

.error-message {
    background: #fee;
    color: #c00;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid #c00;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .navigation {
        flex-direction: column;
        gap: 10px;
    }

    .btn {
        width: 100%;
    }
}