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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    min-height: 100vh;
    color: #1f2937;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 100vh;
}

/* Navigation */
.back-nav {
    padding: 1rem 0;
}

.back-nav a {
    color: white;
    text-decoration: none;
    font-size: 0.95rem;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.back-nav a:hover {
    opacity: 1;
}

/* Screens */
.screen {
    display: none;
}

.screen.active {
    display: block;
}

/* Start Screen */
.header {
    text-align: center;
    color: white;
    margin-bottom: 2rem;
    padding: 2rem 1rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.header h2 {
    font-size: 1.8rem;
    font-weight: 400;
    font-style: italic;
    opacity: 0.95;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.85;
}

.intro-content {
    background: white;
    border-radius: 12px;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.intro-text {
    font-size: 1.1rem;
    color: #374151;
    margin-bottom: 2rem;
    text-align: center;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    color: #4b5563;
}

.feature-icon {
    font-size: 1.5rem;
    width: 2rem;
    text-align: center;
}

.disclaimer {
    font-size: 0.85rem;
    color: #6b7280;
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

/* Buttons */
.primary-btn {
    background: #3b82f6;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    transition: background 0.2s, transform 0.1s;
}

.primary-btn:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.primary-btn:active {
    transform: translateY(0);
}

.secondary-btn {
    background: white;
    color: #3b82f6;
    border: 2px solid #3b82f6;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: all 0.2s;
}

.secondary-btn:hover {
    background: #eff6ff;
}

/* Quiz Screen */
.progress-bar {
    background: rgba(255, 255, 255, 0.2);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    background: #10b981;
    height: 100%;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    color: white;
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.quiz-content {
    background: white;
    border-radius: 12px;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.category-tag {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.question-text {
    font-size: 1.4rem;
    color: #111827;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.answer-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.answer-btn {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    padding: 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.answer-btn:hover {
    background: #eff6ff;
    border-color: #3b82f6;
    transform: translateX(4px);
}

.answer-btn:active {
    transform: translateX(4px) scale(0.98);
}

.answer-label {
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
}

.answer-sublabel {
    font-size: 0.85rem;
    color: #6b7280;
    font-style: italic;
}

/* Results Screen */
.results-header {
    text-align: center;
    color: white;
    margin-bottom: 2rem;
    padding: 1rem;
}

.results-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.results-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

.results-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    margin-bottom: 1.5rem;
}

.party-result {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.party-result:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.party-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.party-name {
    font-size: 1.2rem;
    font-weight: 700;
}

.match-percentage {
    font-size: 1.5rem;
    font-weight: 700;
}

.party-leader {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 0.75rem;
}

.match-bar-container {
    background: #f3f4f6;
    height: 24px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.match-bar {
    height: 100%;
    transition: width 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 0.5rem;
}

.match-label {
    font-size: 0.75rem;
    color: white;
    font-weight: 700;
}

.agreement-summary {
    font-size: 0.9rem;
    color: #4b5563;
    margin-top: 0.5rem;
}

/* Insights Section */
.insights-section {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    margin-bottom: 1.5rem;
}

.insights-section h3 {
    color: #111827;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.insights-intro {
    color: #4b5563;
    margin-bottom: 1.5rem;
}

.flip-insights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.flip-insight {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 1rem 1.25rem;
    border-radius: 6px;
}

.flip-insight strong {
    color: #92400e;
}

.flip-insight-text {
    font-size: 0.95rem;
    color: #78350f;
    line-height: 1.5;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.results-footer {
    text-align: center;
    color: white;
    padding: 1rem;
}

.results-footer p {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.disclaimer-small {
    font-size: 0.85rem;
    opacity: 0.85;
    max-width: 600px;
    margin: 1rem auto 0;
}

/* Responsive */
@media (min-width: 640px) {
    .container {
        padding: 2rem;
    }

    .header h1 {
        font-size: 3rem;
    }

    .action-buttons {
        flex-direction: row;
    }

    .action-buttons .secondary-btn {
        flex: 1;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 2rem;
    }

    .header h2 {
        font-size: 1.5rem;
    }

    .question-text {
        font-size: 1.2rem;
    }

    .intro-content,
    .quiz-content,
    .results-content,
    .insights-section {
        padding: 1.5rem 1.25rem;
    }
}