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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.game-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 900px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #667eea;
    margin-bottom: 30px;
    font-size: 2.5em;
}

.screen {
    display: none;
}

.screen.active {
    display: block;
}

.monster-display {
    text-align: center;
    margin-bottom: 30px;
}

.monster-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: 15px;
    padding: 20px;
    margin: 20px auto;
    max-width: 300px;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.monster-card h3 {
    margin-bottom: 10px;
    font-size: 1.5em;
}

.monster-card p {
    margin: 5px 0;
}

.btn {
    padding: 15px 30px;
    font-size: 1.2em;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    font-weight: bold;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: block;
    margin: 0 auto;
}

.btn-secondary {
    background: linear-gradient(135deg, #868f96 0%, #596164 100%);
    color: white;
    display: block;
    margin: 10px auto;
}

.battle-arena {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.monster-side {
    text-align: center;
}

.monster-side h3 {
    margin-bottom: 15px;
    color: #667eea;
}

.health-bar {
    background: #e0e0e0;
    height: 25px;
    border-radius: 15px;
    overflow: hidden;
    margin: 15px 0;
}

.health-fill {
    background: linear-gradient(90deg, #56ab2f 0%, #a8e063 100%);
    height: 100%;
    width: 100%;
    transition: width 0.5s ease;
}

.attacks {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.attack-btn {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: #333;
}

.attack-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.attack-btn.weak-attack {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.attack-btn.strong-attack {
    background: linear-gradient(135deg, #ff9a56 0%, #ff6a88 100%);
}

.charge-counter {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 10px;
    border-radius: 8px;
    margin: 10px 0;
    font-weight: bold;
    color: #333;
}

.catch-btn {
    background: linear-gradient(135deg, #13f1fc 0%, #0470dc 100%);
    color: white;
    margin-top: 15px;
}

.catch-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.inventory-section {
    margin-top: 20px;
    text-align: center;
}

.inventory-display {
    background: linear-gradient(135deg, #c3ec52 0%, #0ba29d 100%);
    padding: 10px;
    border-radius: 8px;
    margin: 10px 0;
    font-weight: bold;
    color: white;
    font-size: 1.1em;
}

.eat-btn {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e063 100%);
    color: white;
    margin-top: 10px;
}

.eat-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.battle-log {
    background: #f5f5f5;
    border-radius: 10px;
    padding: 20px;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 20px;
}

.battle-log p {
    margin: 8px 0;
    padding: 5px;
    border-left: 3px solid #667eea;
    padding-left: 10px;
}

#victory-screen, #defeat-screen, #ran-away-screen, #caught-screen {
    text-align: center;
}

#victory-screen h2 {
    color: #56ab2f;
    font-size: 2.5em;
    margin-bottom: 20px;
}

#defeat-screen h2 {
    color: #f5576c;
    font-size: 2.5em;
    margin-bottom: 20px;
}

#ran-away-screen h2 {
    color: #ffa500;
    font-size: 2.5em;
    margin-bottom: 20px;
}

#caught-screen h2 {
    color: #0470dc;
    font-size: 2.5em;
    margin-bottom: 20px;
}

#victory-screen p, #defeat-screen p, #ran-away-screen p, #caught-screen p {
    font-size: 1.3em;
    margin-bottom: 30px;
    color: #666;
}

#monster-select-screen {
    text-align: center;
}

#monster-select-screen h2 {
    color: #667eea;
    font-size: 2em;
    margin-bottom: 20px;
}

.monster-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.monster-select-card {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    border-radius: 15px;
    padding: 20px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    color: #333;
    border: 3px solid transparent;
}

.monster-select-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.monster-select-card.active {
    border: 3px solid #667eea;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.monster-select-card.defeated {
    background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%);
    opacity: 0.6;
    cursor: not-allowed;
}

.monster-select-card.defeated:hover {
    transform: none;
    box-shadow: none;
}

.monster-select-card h3 {
    margin-bottom: 10px;
    font-size: 1.3em;
}

.monster-select-card p {
    margin: 5px 0;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    .battle-arena {
        grid-template-columns: 1fr;
    }

    .game-container {
        padding: 20px;
    }

    h1 {
        font-size: 2em;
    }
}