.app-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
}

.game-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.game-header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #00ff88, #00ccff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 5px rgba(0, 255, 136, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.8)); }
}

.subtitle {
    font-size: 1.5rem;
    color: #ff6600;
    margin-bottom: 1rem;
    font-weight: bold;
}

.tagline {
    color: #888;
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.screen {
    display: none;
}

.screen.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

#start-screen {
    text-align: center;
}

.intro-text {
    margin-bottom: 2rem;
    line-height: 2;
}

.intro-text p {
    margin-bottom: 1rem;
}

.intro-text .highlight {
    color: #00ff88;
    font-weight: bold;
}

.intro-text .warning {
    color: #ff3366;
    font-style: italic;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, #00ff88, #00cc66);
    color: #0a0a0a;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, #ff00ff, #cc00cc);
    color: white;
}

.btn-secondary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.5);
}

#game-screen .round-counter {
    text-align: center;
    margin-bottom: 2rem;
    color: #888;
    font-size: 1.2rem;
}

.text-display {
    background: rgba(0, 255, 136, 0.05);
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.context-label {
    font-size: 0.8rem;
    color: #00ff88;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.context-text {
    font-size: 1.8rem;
    color: white;
    line-height: 1.6;
    font-family: 'Courier New', monospace;
}

.cursor-blink {
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: #00ff88;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.prediction-area {
    text-align: center;
}

.prediction-area label {
    display: block;
    margin-bottom: 1rem;
    color: #888;
    font-size: 1.1rem;
}

.prediction-area input {
    width: 100%;
    padding: 1rem;
    font-size: 1.2rem;
    border: 2px solid #333;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    margin-bottom: 1rem;
    transition: border-color 0.3s;
}

.prediction-area input:focus {
    outline: none;
    border-color: #00ff88;
}

.prediction-area input.shake {
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

#reveal-screen {
    text-align: center;
}

.reveal-container {
    animation: slideIn 0.5s ease;
}

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

.your-prediction, .actual-text {
    margin-bottom: 2rem;
}

.label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.prediction-text {
    padding: 1.5rem;
    border-radius: 8px;
    font-size: 1.3rem;
    line-height: 1.6;
    background: rgba(255, 102, 0, 0.1);
    border: 1px solid rgba(255, 102, 0, 0.3);
}

.prediction-text.actual {
    background: rgba(0, 255, 136, 0.1);
    border-color: rgba(0, 255, 136, 0.3);
}

.similarity-score {
    font-size: 3rem;
    font-weight: bold;
    color: #00ff88;
    margin: 2rem 0;
    animation: pulse 0.5s ease;
}

@keyframes pulse {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

#results-screen {
    text-align: center;
}

.results-header h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #ff6600;
}

.loss-curve-visualization {
    margin: 2rem 0 3rem;
}

.curve-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #666;
}

.curve-container {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
}

.curve-track {
    height: 40px;
    background: linear-gradient(90deg, 
        #ff0066 0%, 
        #ff3366 20%, 
        #ff6600 40%, 
        #ffcc00 60%, 
        #00ccff 80%, 
        #00ff88 100%
    );
    border-radius: 20px;
    position: relative;
    margin-bottom: 1rem;
}

.score-marker {
    position: absolute;
    top: -10px;
    width: 20px;
    height: 60px;
    background: white;
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
    transition: left 1s ease;
}

.curve-markers {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
}

.marker {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(0, 0, 0, 0.3);
}

.model-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #888;
    margin-top: 0.5rem;
}

.final-roast {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
}

.roast-tier {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.roast-message {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #ccc;
}

.score-breakdown {
    margin: 2rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.score-breakdown div {
    margin: 0.5rem 0;
    color: #888;
}

.score-breakdown span {
    color: #00ff88;
    font-weight: bold;
}

@media (max-width: 600px) {
    .app-container {
        padding: 1rem;
    }
    
    .game-header h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .context-text {
        font-size: 1.3rem;
    }
    
    .model-labels {
        font-size: 0.6rem;
    }
}

/* Full text flow display */
.full-text-flow {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.full-text-flow .label {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.text-flow {
    font-size: 1.1rem;
    line-height: 1.8;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.flow-context {
    color: var(--accent);
    font-weight: bold;
}

.flow-arrow {
    color: var(--accent);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.flow-continuation {
    color: #fff;
    opacity: 0.9;
}

/* Score explanation */
.score-explanation {
    font-size: 0.7rem;
    opacity: 0.6;
    margin-top: 0.25rem;
}