/* ==========================================
   WebOS Desktop Layout, Topbar & Icon Grid
   ========================================== */
@import url('glass-system.css');

/* Desktop Main Canvas */
#webos-desktop {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: var(--bg-gradient);
    z-index: var(--z-wallpaper);
}

/* Custom Wallpaper Canvas Overlay */
#desktop-wallpaper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: background-image 0.5s ease-in-out;
}

#desktop-wallpaper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--wallpaper-overlay);
    backdrop-filter: blur(2px);
    pointer-events: none;
}

/* Desktop Top Status Bar */
#desktop-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 36px;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: var(--z-topbar);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    cursor: pointer;
}

.topbar-brand img {
    width: 18px;
    height: 18px;
}

.topbar-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.topbar-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

#topbar-clock {
    font-weight: 600;
    color: var(--text-primary);
    font-feature-settings: "tnum";
}

/* Desktop Icon Grid Container */
#desktop-grid {
    position: absolute;
    top: 50px;
    left: 20px;
    bottom: 90px;
    right: 20px;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 20px 24px;
    z-index: var(--z-desktop-grid);
    pointer-events: none;
}

.desktop-icon {
    width: 90px;
    height: 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    pointer-events: auto;
    border: 1px solid transparent;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.desktop-icon:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--glass-border);
    transform: translateY(-2px);
}

.desktop-icon.selected {
    background: rgba(99, 102, 241, 0.25);
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
}

.desktop-icon-img {
    width: 44px;
    height: 44px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    transition: transform var(--transition-fast);
}

.desktop-icon:hover .desktop-icon-img {
    transform: scale(1.08);
}

.desktop-icon-title {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

/* Desktop Right-Click Context Menu */
#desktop-context-menu {
    position: fixed;
    width: 200px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    padding: 6px;
    z-index: var(--z-context-menu);
    display: none;
    animation: fadeIn 0.15s ease-out;
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.context-menu-item:hover {
    background: var(--accent-color);
    color: #ffffff;
}

.context-menu-divider {
    height: 1px;
    background: var(--glass-border);
    margin: 4px 0;
}