:root {
    --primary-color: #6C63FF;
    --secondary-color: #2C3E50;
    --accent-color: #FF6B6B;
    --background-color: #1A1B1E;
    --card-background: #2A2B2E;
    --text-color: #E1E1E6;
    --text-secondary: #A0A0A6;
    --border-color: #3A3B3E;
    --success-color: #4CAF50;
    --error-color: #F44336;
    --warning-color: #FFC107;
    --like-color: #FF4081;
    --gradient-start: #6C63FF;
    --gradient-end: #FF6B6B;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #e1e1e6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.create-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.2);
}

.create-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.3);
}

.search-container {
    margin-bottom: 3rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.search-input {
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    width: 400px;
    background: var(--background-color);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

.search-type {
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    background: var(--background-color);
    color: var(--text-color);
    cursor: pointer;
}

.search-button {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.search-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.2);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.section-title span {
    font-size: 2rem;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    list-style: none;
    margin-bottom: 4rem;
}

.game-card {
    background: var(--card-background);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.game-content {
    padding: 1.5rem;
}

.game-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.game-author {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1rem;
    border: 2px solid var(--primary-color);
}

.game-actions {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.action-button {
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    flex: 1;
    text-align: center;
}

.play-button {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
}

.play-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.2);
}

.edit-button {
    background-color: var(--card-background);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.edit-button:hover {
    background-color: var(--primary-color);
    color: white;
}

.delete-button {
    background-color: var(--card-background);
    color: var(--error-color);
    border: 2px solid var(--error-color);
}

.delete-button:hover {
    background-color: var(--error-color);
    color: white;
}

.like-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background-color: var(--card-background);
    border: 2px solid var(--like-color);
    color: var(--like-color);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
}

.like-button.liked {
    background-color: var(--like-color);
    color: white;
}

.like-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 64, 129, 0.2);
}

.like-count {
    font-size: 0.9rem;
    font-weight: 600;
}

/* フォーム要素のスタイル */
.form-container {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 600;
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--background-color);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .header {
        margin-bottom: 2rem;
        padding: 2rem 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .search-container {
        flex-direction: column;
        padding: 1rem;
    }

    .search-input {
        width: 100%;
    }

    .games-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .game-actions {
        flex-direction: column;
    }

    .action-button {
        width: 100%;
    }
}

/* アニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.game-card {
    animation: fadeIn 0.5s ease-out forwards;
}