#windows-os {
    background-color: #3b6ea5; /* Classic XP Blue variable */
    background-image: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?q=80&w=2670&auto=format&fit=crop'); /* Placeholder bliss-like */
    background-size: cover;
    background-position: center;
    font-family: 'Tahoma', sans-serif;
    overflow: hidden;
    cursor: default;
}

/* Taskbar */
.xp-taskbar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: linear-gradient(to bottom, #245edb 0%, #3f8cf3 9%, #245edb 18%, #245edb 92%, #1941a5 100%);
    border-top: 1px solid #6c9df7; /* Highlight */
    display: flex;
    align-items: center;
    z-index: 1000;
}

.xp-start-button {
    width: 100px;
    height: 100%;
    background: linear-gradient(to bottom, #3c9f40 0%, #388e3c 100%);
    color: white;
    font-weight: bold;
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.5);
    cursor: pointer;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    font-family: 'Trebuchet MS', sans-serif;
    font-size: 14px;
}

.xp-start-button img {
    margin-right: 5px;
    width: 18px;
    height: 18px;
}

.xp-tray {
    margin-left: auto;
    background: #1290e2;
    height: 100%;
    padding: 0 10px;
    display: flex;
    align-items: center;
    border-left: 1px solid #1941a5;
    color: white;
    font-size: 11px;
    box-shadow: inset 1px 0 2px rgba(0,0,0,0.3);
}

/* Window */
.xp-window {
    position: absolute;
    background: #ece9d8;
    border: 1px solid #0055e5;
    border-radius: 8px 8px 0 0;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.4);
    min-width: 300px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
}

.xp-titlebar {
    height: 30px;
    background: linear-gradient(to bottom, #0058ee 0%, #3593ff 4%, #288efb 18%, #2463de 100%);
    border-radius: 6px 6px 0 0;
    display: flex;
    align-items: center;
    padding: 0 5px;
    color: white;
    font-weight: bold;
    text-shadow: 1px 1px 1px rgba(0,0,0,0.5);
    user-select: none;
}

.xp-title {
    flex-grow: 1;
    padding-left: 5px;
    font-size: 13px;
}

.xp-controls {
    display: flex;
    gap: 2px;
}

.xp-btn {
    width: 21px;
    height: 21px;
    border: 1px solid white;
    border-radius: 3px;
    background: #d7e4f2;
    color: #000;
    font-family: sans-serif;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: inset 0 0 2px white;
}

.xp-btn.close {
    background: #e04238;
    color: white;
    border-color: #8b1812;
}

.xp-content {
    flex-grow: 1;
    padding: 10px;
    overflow: auto;
    font-size: 12px;
}

/* Desktop Icons */
.xp-icon {
    width: 64px;
    text-align: center;
    color: white;
    text-shadow: 1px 1px 2px black;
    margin: 10px;
    cursor: pointer;
    display: inline-block;
    vertical-align: top;
}

.xp-icon img {
    width: 32px;
    height: 32px;
    margin-bottom: 5px;
}

.xp-icon-text {
    font-size: 11px;
    padding: 2px;
}

.xp-icon:hover .xp-icon-text {
    background-color: #0b61ff;
}