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

body {
    background-image: url('./background.gif');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    height: 100vh;
    margin: 0;
    color: #fff;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    overflow: hidden;
    position: relative;
}

#top-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-color: rgba(0, 0, 0, 0.35);
    color: #fff;
    padding: 0 16px;
    z-index: 10000;
    font-size: 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

#brand {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.menu-item {
    cursor: pointer;
    opacity: 0.85;
    transition: opacity 150ms ease;
}

.menu-item:hover {
    opacity: 1;
}

#time {
    font-size: 12px;
    font-weight: 500;
}

.btn {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 3px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: background 160ms ease, transform 160ms ease;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

#desktopApps {
    position: absolute;
    top: 48px;
    left: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.desktop-shortcut {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 76px;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 150ms ease;
}

.desktop-shortcut:hover, .desktop-shortcut.selected {
    background-color: rgba(255, 255, 255, 0.2);
}

.desktop-icon-img {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.desktop-icon-label {
    margin-top: 6px;
    font-size: 12px;
    text-align: center;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}

.window {
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 480px;
    border-radius: 12px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background-color: rgba(25, 25, 35, 0.75);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
}

.window-header {
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    padding: 0 12px;
    position: relative;
    cursor: move;
}

.window-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
}

.control.close { background-color: #ff5f56; }
.control.minimize { background-color: #ffbd2e; }
.control.maximize { background-color: #27c93f; }

.window-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
}

.window-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 160px;
}

.notes-layout {
    display: flex;
    flex-direction: row;
    gap: 12px;
    height: 260px;
    padding: 12px;
}

.sidebar {
    width: 140px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 8px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.sidebar-item {
    padding: 6px 8px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.sidebar-item:hover {
    background: rgba(255, 255, 255, 0.18);
}

.note-body {
    flex: 1;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 12px;
    overflow-y: auto;
}

.hidden {
    display: none !important;
}

.dock {
    position: fixed;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 14px;
    border-radius: 18px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background-color: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    z-index: 9999;
}

.app-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: transform 160ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

.app-icon:hover {
    transform: translateY(-6px) scale(1.12);
}

.icon-img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    object-fit: cover;
}

.app-label {
    margin-top: 4px;
    font-size: 10px;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}