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

:root {
    --joy-yellow: #FFD700;
    --trust-green: #00C853;
    --fear-green-dark: #1B5E20;
    --surprise-blue: #2196F3;
    --sadness-blue-dark: #0D47A1;
    --disgust-purple: #9C27B0;
    --anger-red: #D32F2F;
    --anticipation-orange: #FF6F00;
    
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    --hover-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gradient-bg);
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.emotion-wheel-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    animation: fadeInLeft 0.8s ease;
    overflow: visible;
}

.wheel-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.emotion-labels-overlay {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    pointer-events: none;
}

.emotion-label-clickable {
    position: absolute;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: bold;
    text-align: center;
    pointer-events: all;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    color: #000 !important;
    text-shadow: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    z-index: 5;
}

.emotion-label-clickable:hover {
    background: rgba(255, 255, 255, 1);
    transform: translate(-50%, -50%) rotate(var(--rotation)) scale(1.15);
    z-index: 100;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.emotion-label-clickable.selected {
    background: #FFD700;
    border: 2px solid #FF8C00;
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.9), 0 4px 8px rgba(0, 0, 0, 0.4);
    transform: translate(-50%, -50%) rotate(var(--rotation)) scale(1.2);
    z-index: 110;
    color: #000 !important;
    font-weight: 900;
}

#emotionWheel {
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: transform 0.3s ease;
    display: block;
}

#emotionWheel:hover {
    transform: scale(1.02);
}

.wheel-instructions {
    font-size: 1rem;
    opacity: 0.8;
    text-align: center;
    animation: pulse 2s infinite;
}

.dyad-selector {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    animation: fadeInRight 0.8s ease;
}

.dyad-selector h2 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.dyad-type-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.dyad-type-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.dyad-type-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.dyad-type-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: white;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.dyad-combinations {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.dyad-combinations::-webkit-scrollbar {
    width: 8px;
}

.dyad-combinations::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.dyad-combinations::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

.dyad-combinations::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.dyad-item {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.dyad-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(5px);
    border-color: rgba(255, 255, 255, 0.5);
}

.dyad-item.touched {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 215, 0, 0.8);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
}

.dyad-item-name {
    font-weight: bold;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.dyad-item-emotions {
    font-size: 0.9rem;
    opacity: 0.9;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.emotion-tag {
    padding: 0.2rem 0.8rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.result-display {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    animation: fadeInUp 0.8s ease;
    min-height: 400px;
}

.result-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.result-header h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    text-align: center;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.emotion-badges {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.emotion-badge {
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    animation: bounceIn 0.6s ease;
}

.result-visualization {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    min-height: 150px;
    position: relative;
}

.color-blend {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: rotateBlend 4s linear infinite, pulse 2s ease-in-out infinite;
}

.intensity-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    width: 100%;
    max-width: 600px;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
}

.intensity-column h4 {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: #FFD700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.intensity-levels {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.intensity-level {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.intensity-level.clickable {
    cursor: pointer;
}

.intensity-level.clickable:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.intensity-level.selected {
    background: rgba(255, 215, 0, 0.4);
    border: 2px solid #FFD700;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
    transform: translateX(8px);
}

.intensity-level.mild {
    border-left: 4px solid rgba(255, 255, 255, 0.4);
}

.intensity-level.medium {
    border-left: 4px solid rgba(255, 255, 255, 0.6);
}

.intensity-level.strong {
    border-left: 4px solid rgba(255, 255, 255, 0.9);
}

.level-label {
    font-weight: 600;
    opacity: 0.8;
}

.level-name {
    font-weight: bold;
    text-transform: capitalize;
}

.result-explanation {
    background: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: 15px;
    line-height: 1.8;
    font-size: 1rem;
}

.result-explanation h3 {
    margin-bottom: 0.8rem;
    margin-top: 1rem;
    font-size: 1.4rem;
}

.result-explanation h3:first-child {
    margin-top: 0;
}

.result-explanation p {
    margin-bottom: 1rem;
}

.result-explanation ul {
    list-style-type: disc;
    line-height: 1.8;
}

.result-explanation li {
    margin-bottom: 0.5rem;
}

.explanation-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.explanation-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.explanation-section strong {
    color: #FFD700;
}

.dyad-score {
    background: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: 15px;
    margin-top: 1rem;
    text-align: center;
}

.dyad-score h3 {
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    color: #FFD700;
}

.score-breakdown {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.score-item {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 1.1rem;
}

.score-total {
    display: flex;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3), rgba(255, 165, 0, 0.3));
    border-radius: 10px;
    font-size: 1.4rem;
    font-weight: bold;
    border: 2px solid rgba(255, 215, 0, 0.5);
    margin-top: 0.5rem;
}

.score-label {
    font-weight: 600;
    text-transform: capitalize;
}

.score-value {
    font-weight: bold;
    color: #FFD700;
    font-size: 1.2em;
}

.score-description {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #FFD700;
}

footer {
    text-align: center;
    padding: 2rem;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.8;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes rotateBlend {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    main {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 2.5rem;
    }
    
    #emotionWheel {
        width: 100%;
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .dyad-type-buttons {
        flex-direction: column;
    }
    
    .result-header h2 {
        font-size: 1.8rem;
    }
    
    /* Improve touch targets for mobile */
    .dyad-type-btn {
        padding: 1.2rem 1.5rem;
        font-size: 1.05rem;
        min-height: 48px; /* iOS recommended touch target */
        width: 100%;
        text-align: center;
    }
    
    .dyad-item {
        padding: 1.5rem 1.5rem;
        min-height: 70px;
    }
    
    .dyad-item-name {
        font-size: 1.1rem;
        margin-bottom: 0.7rem;
    }
    
    .dyad-item-emotions {
        font-size: 1rem;
    }
    
    .emotion-tag {
        padding: 0.4rem 1rem;
        font-size: 0.95rem;
    }
    
    .intensity-level.clickable {
        padding: 1.2rem 1.2rem;
        min-height: 56px;
        font-size: 1rem;
    }
    
    #emotionWheel {
        touch-action: none; /* Prevent browser gestures */
    }
    
    .wheel-container {
        width: 100%;
        max-width: 500px;
    }
    
    .intensity-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Better spacing for mobile */
    .dyad-combinations {
        max-height: 500px;
        gap: 1rem;
    }
}

/* Improve all clickable elements for touch */
.dyad-type-btn,
.dyad-item,
.intensity-level.clickable {
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0.2);
    touch-action: manipulation; /* Prevents double-tap zoom */
    user-select: none;
    -webkit-user-select: none;
    position: relative;
}

/* Active state for touch feedback */
.dyad-type-btn:active,
.dyad-item:active,
.intensity-level.clickable:active {
    transform: scale(0.98);
    background: rgba(255, 255, 255, 0.3);
}

#emotionWheel {
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}