@import url('https://fonts.googleapis.com/css2?family=Segoe+UI&display=swap');

body {
    background-image: url('windows7-wallpaper.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    user-select: none;
}

.window {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 494px;
    max-width: 90vw;
    border: 1px solid rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
    background: rgba(210, 225, 240, 0.8);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    flex-direction: column;
}

.title-bar {
    background-image: url('a.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    padding: 5px 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
    color: #000;
    text-shadow: 1px 1px 1px rgba(255,255,255,0.5);
}

.title-bar-text {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 14px;
}

.title-icon {
    width: 16px;
    height: 16px;
    margin-right: 8px;
}

.title-bar-controls {
    display: flex;
    visibility: hidden;
}

.control-button {
    background: none;
    border: none;
    padding: 0;
    margin-left: 2px;
    cursor: pointer;
    width: 25px;
    height: 21px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-button img {
    width: 25px;
    height: 21px;
    transition: filter 0.2s;
}

.control-button:hover img {
    filter: brightness(1.2);
}

.control-button.close:hover img {
   filter: brightness(1.1);
}


.window-body {
    padding: 10px 20px 20px;
    flex-grow: 1;
    color: #222;
}

h1 {
    font-size: 24px;
    font-weight: normal;
    color: #003399;
    margin-top: 5px;
    margin-bottom: 15px;
}

p {
    font-size: 14px;
    line-height: 1.6;
}

.shortcuts {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    justify-content: flex-start;
}

.shortcut {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: #222;
    text-decoration: none;
    font-size: 12px;
}

.shortcut img {
    width: 48px;
    height: 48px;
    margin-bottom: 5px;
    transition: transform 0.2s;
}

.shortcut:hover img {
    transform: scale(1.1);
}

.shortcut span {
    display: block;
    background-color: rgba(0,0,0,0.1);
    padding: 1px 4px;
    border-radius: 3px;
}

.music-note {
    margin-top: 15px;
    font-size: 11px;
    color: #666;
    font-style: italic;
    text-align: center;
}