/* Windows 95 Style Icons CSS - Neon Edition */

/* 基本的なアイコンスタイル */
.win95-folder-icon,
.win95-file-icon,
.win95-mail-icon,
.win95-start-icon {
    width: 32px;
    height: 32px;
    background-color: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    display: inline-block;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.win95-folder-icon:hover,
.win95-file-icon:hover,
.win95-mail-icon:hover,
.win95-start-icon:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px var(--highlight-color);
}

/* フォルダアイコン - ネオンイエロー */
.win95-folder-icon {
    background-color: rgba(50, 50, 60, 0.8);
    box-shadow: 
        0 0 5px var(--yellow),
        0 0 10px rgba(255, 215, 0, 0.5);
}

.win95-folder-icon:before {
    content: "";
    position: absolute;
    top: 0;
    left: 5px;
    width: 10px;
    height: 3px;
    background-color: var(--neon-yellow);
    box-shadow: 0 0 8px var(--neon-yellow);
    animation: neonPulse 2s infinite alternate;
}

.win95-folder-icon:after {
    content: "";
    position: absolute;
    top: 3px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(50, 50, 60, 0.8);
    border-top: 1px solid var(--neon-yellow);
    box-shadow: 0 0 8px var(--neon-yellow);
}

/* ファイルアイコン - ネオンブルー */
.win95-file-icon {
    background-color: rgba(50, 50, 60, 0.8);
    box-shadow: 
        0 0 5px var(--blue),
        0 0 10px rgba(0, 191, 255, 0.5);
}

.win95-file-icon:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 8px;
    width: 16px;
    height: 2px;
    background-color: var(--blue);
    box-shadow: 
        0 4px 0 var(--blue), 
        0 8px 0 var(--blue), 
        0 12px 0 var(--blue), 
        0 16px 0 var(--blue),
        0 0 8px var(--blue);
    animation: neonPulse 1.5s infinite alternate;
}

/* メールアイコン - ネオンピンク */
.win95-mail-icon {
    background-color: rgba(50, 50, 60, 0.8);
    overflow: hidden;
    box-shadow: 
        0 0 5px var(--pink),
        0 0 10px rgba(255, 105, 180, 0.5);
}

.win95-mail-icon:before {
    content: "";
    position: absolute;
    top: 8px;
    left: 2px;
    width: 28px;
    height: 15px;
    background-color: var(--pink);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 8px var(--pink);
    animation: neonPulse 2.5s infinite alternate;
}

.win95-mail-icon:after {
    content: "";
    position: absolute;
    top: 8px;
    left: 2px;
    width: 28px;
    height: 0;
    border-bottom: 15px solid transparent;
    border-left: 14px solid rgba(255, 255, 255, 0.3);
    border-right: 14px solid rgba(255, 255, 255, 0.3);
}

/* スタートアイコン - ネオングラデーション */
.win95-start-icon {
    width: 16px;
    height: 16px;
    margin-right: 4px;
    background: linear-gradient(135deg, var(--pink), var(--blue));
    transform: rotate(45deg);
    box-shadow: 
        0 0 5px var(--highlight-color),
        0 0 10px rgba(255, 0, 255, 0.5);
    animation: neonRotate 3s infinite linear;
}

.win95-start-icon:before {
    content: "";
    position: absolute;
    top: 4px;
    left: 4px;
    width: 8px;
    height: 8px;
    background-color: white;
    box-shadow: 0 0 5px white;
}

/* ネオン効果のためのアニメーション */
@keyframes neonPulse {
    0% {
        opacity: 0.7;
    }
    100% {
        opacity: 1;
    }
}

@keyframes neonRotate {
    0% {
        filter: hue-rotate(0deg);
    }
    100% {
        filter: hue-rotate(360deg);
    }
}