/* neuOS Window Base Styles - Standardized Glass System */
/* Optimized for performance and consistent with glass morphism design */

.window {
    position: absolute;
    background: var(--window-bg-default);
    backdrop-filter: var(--window-filter-default);
    -webkit-backdrop-filter: var(--window-filter-default);
    color: var(--color-text-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--window-shadow-default);
    min-width: 340px;
    min-height: 220px;
    border: 1px solid var(--window-border-default);
    transition: all var(--transition-normal);
    overflow: hidden;
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    will-change: auto;
    contain: layout style;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    isolation: isolate;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.window:hover {
    background: var(--window-bg-focused);
    backdrop-filter: var(--glass-filter-heavy);
    -webkit-backdrop-filter: var(--glass-filter-heavy);
    box-shadow: var(--window-shadow-hover);
    transform: translateZ(10px);
}

.window.dragging {
    transition: none;
    will-change: left, top;
    contain: layout style;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    box-shadow: var(--glass-shadow-heavy), var(--glass-glow-heavy);
    border-color: var(--color-primary);
}

.window.resizing {
    transition: none;
    will-change: transform, width, height;
    transform: translateZ(0);
    contain: layout style;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    box-shadow: var(--glass-shadow-medium), var(--glass-glow-medium);
    border-color: var(--color-primary);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.window.resizing * {
    animation: none;
    transition: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.window-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--window-bg-header);
    backdrop-filter: var(--window-filter-header);
    -webkit-backdrop-filter: var(--window-filter-header);
    border-bottom: 1px solid var(--window-border-default);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    user-select: none;
    position: relative;
    z-index: 3;
    cursor: grab;
}

.window-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    font-family: var(--font-family-primary);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 4;
    cursor: grab;
    user-select: none;
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.window-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-right: var(--spacing-sm);
}

.window-icon svg {
    width: 100%;
    height: 100%;
    max-width: 20px;
    max-height: 20px;
}

.title-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.window-controls {
    display: flex;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 10;
    pointer-events: auto;
    cursor: default;
}

.window-control {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    background: var(--window-bg-control);
    backdrop-filter: var(--window-filter-control);
    -webkit-backdrop-filter: var(--window-filter-control);
    border: 1px solid var(--window-border-default);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--color-text-primary);
    user-select: none;
    position: relative;
    z-index: 11;
    pointer-events: auto;
    overflow: hidden;
}

.window-control:hover {
    background: var(--color-primary);
    border-color: var(--color-primary-light);
    transform: scale(1.1);
    box-shadow: var(--glass-shadow-light), var(--glass-glow-light);
}

.window-content {
    flex: 1 1 auto;
    padding: var(--spacing-xl);
    background: var(--window-bg-content);
    backdrop-filter: var(--window-filter-content);
    -webkit-backdrop-filter: var(--window-filter-content);
    color: var(--color-text-primary);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    overflow-y: auto;
    position: relative;
    z-index: 3;
}

[data-scroll-container] {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border-primary) transparent;
}

[data-scroll-container]::-webkit-scrollbar {
    width: 8px;
}

[data-scroll-container]::-webkit-scrollbar-track {
    background: transparent;
}

[data-scroll-container]::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    transition: background var(--transition-fast);
    backdrop-filter: var(--glass-filter-minimal);
    -webkit-backdrop-filter: var(--glass-filter-minimal);
}

[data-scroll-container]::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
    box-shadow: var(--glass-glow-light);
}

/* ===== WINDOW FOCUS STATES ===== */
.window.focused {
    background: var(--window-bg-focused);
    box-shadow: var(--window-shadow-focused);
    border-color: var(--window-border-focused);
}

.window.focused .window-header {
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-filter-light);
    -webkit-backdrop-filter: var(--glass-filter-light);
}

/* ===== WINDOW PERFORMANCE OPTIMIZATIONS ===== */
.window,
.window-header,
.window-content {
    will-change: transform, box-shadow, background;
    contain: layout style;
}

/* ===== WINDOW STATES ===== */
.window.minimized {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
}

.window.maximized {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    z-index: 10001 !important;
    transform: none !important;
    border-radius: 0 !important;
    border: none !important;
    box-shadow: none !important;
}

.window.maximized .window-header {
    border-radius: 0 !important;
}

.window.maximized .window-content {
    border-radius: 0 !important;
}

/* ===== MOBILE WINDOW OPTIMIZATIONS ===== */
@media (max-width: 768px) {
    .window {
        backdrop-filter: var(--glass-filter-heavy);
        -webkit-backdrop-filter: var(--glass-filter-heavy);
        box-shadow: var(--glass-shadow-heavy), var(--glass-glow-heavy);
    }
    
    .window-header {
        backdrop-filter: var(--glass-filter-medium);
        -webkit-backdrop-filter: var(--glass-filter-medium);
    }
    
    .window-content {
        backdrop-filter: var(--glass-filter-light);
        -webkit-backdrop-filter: var(--glass-filter-light);
    }
}

/* ===== REDUCED MOTION SUPPORT ===== */
@media (prefers-reduced-motion: reduce) {
    .window,
    .window-header,
    .window-control {
        transition: none;
    }
    
    .window:hover {
        transform: none;
    }
}