/* ClassicSoftware - Windows 2000/XP Era Theme */

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

:root {
    /* Windows 2000/XP Classic Colors */
    --title-bar-active: linear-gradient(180deg, #0a246a 0%, #a6caf0 8%, #0a246a 90%);
    --title-bar-inactive: linear-gradient(180deg, #808080 0%, #c0c0c0 8%, #808080 90%);
    --title-text: #ffffff;

    --window-bg: #ece9d8;
    --window-border-light: #ffffff;
    --window-border-dark: #404040;
    --window-border-medium: #808080;

    --menu-bg: #ece9d8;
    --menu-hover: #316ac5;
    --menu-text: #000000;

    --button-face: #ece9d8;
    --button-highlight: #ffffff;
    --button-shadow: #808080;
    --button-dark-shadow: #404040;
    --button-text: #000000;

    --input-bg: #ffffff;
    --input-border: #7f9db9;

    --scrollbar-bg: #ece9d8;
    --scrollbar-thumb: #c0c0c0;

    --link-color: #0000ff;
    --link-visited: #800080;
    --link-hover: #ff0000;

    --desktop-bg: #3a6ea5;
    --taskbar-bg: linear-gradient(180deg, #3168d5 0%, #4993e6 3%, #2157d7 6%, #2663e0 10%, #1941a5 90%, #1941a5 100%);
    --start-btn-bg: linear-gradient(180deg, #5cb85c 0%, #3a9d3a 50%, #2e8b2e 100%);

    --selection-bg: #316ac5;
    --selection-text: #ffffff;

    --folder-yellow: #ffd700;
}

body {
    font-family: "Tahoma", "Segoe UI", Arial, sans-serif;
    font-size: 11px;
    background-color: var(--desktop-bg);
    min-height: 100vh;
    overflow: hidden;
}

/* Desktop Area */
.desktop {
    width: 100%;
    height: calc(100vh - 30px);
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* Window Container */
.window {
    width: 95%;
    max-width: 1200px;
    height: calc(100vh - 80px);
    background: var(--window-bg);
    border: 2px solid;
    border-color: var(--window-border-light) var(--window-border-dark) var(--window-border-dark) var(--window-border-light);
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

/* Title Bar */
.title-bar {
    background: var(--title-bar-active);
    padding: 3px 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 25px;
}

.title-bar-text {
    color: var(--title-text);
    font-weight: bold;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
}

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

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

.title-btn {
    width: 21px;
    height: 21px;
    background: var(--button-face);
    border: 1px solid;
    border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
    font-family: "Marlett", monospace;
    font-size: 9px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.title-btn:hover {
    background: #d4d0c8;
}

.title-btn:active {
    border-color: var(--button-dark-shadow) var(--button-highlight) var(--button-highlight) var(--button-dark-shadow);
}

.title-btn.close:hover {
    background: #c42b1c;
    color: white;
}

/* Menu Bar */
.menu-bar {
    background: var(--menu-bg);
    padding: 2px 5px;
    border-bottom: 1px solid var(--button-shadow);
    display: flex;
    gap: 2px;
}

.menu-item {
    padding: 2px 8px;
    cursor: pointer;
}

.menu-item:hover {
    background: var(--menu-hover);
    color: white;
}

/* Address Bar */
.address-bar {
    background: var(--menu-bg);
    padding: 3px 5px;
    display: flex;
    align-items: center;
    gap: 5px;
    border-bottom: 1px solid var(--button-shadow);
}

.address-label {
    font-size: 11px;
    color: var(--button-text);
}

.address-input {
    flex: 1;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    padding: 2px 5px;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
}

.address-icon {
    width: 16px;
    height: 16px;
}

.go-btn {
    background: var(--button-face);
    border: 1px solid;
    border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
    padding: 2px 12px;
    font-size: 11px;
    cursor: pointer;
}

.go-btn:active {
    border-color: var(--button-dark-shadow) var(--button-highlight) var(--button-highlight) var(--button-dark-shadow);
}

/* Toolbar */
.toolbar {
    background: var(--menu-bg);
    padding: 3px 5px;
    display: flex;
    align-items: center;
    gap: 3px;
    border-bottom: 1px solid var(--button-shadow);
}

.toolbar-btn {
    background: transparent;
    border: 1px solid transparent;
    padding: 3px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    font-size: 10px;
    color: var(--button-text);
}

.toolbar-btn:hover {
    border: 1px solid;
    border-color: var(--button-highlight) var(--button-shadow) var(--button-shadow) var(--button-highlight);
    background: rgba(255, 255, 255, 0.3);
}

.toolbar-btn:active {
    border-color: var(--button-shadow) var(--button-highlight) var(--button-highlight) var(--button-shadow);
}

.toolbar-icon {
    font-size: 16px;
}

.toolbar-separator {
    width: 1px;
    height: 30px;
    background: var(--button-shadow);
    margin: 0 5px;
}

.search-box {
    display: flex;
    margin-left: auto;
}

.search-box input {
    width: 200px;
    padding: 3px 8px;
    border: 1px solid var(--input-border);
    font-size: 11px;
    font-family: inherit;
}

.search-btn {
    background: var(--button-face);
    border: 1px solid;
    border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
    padding: 3px 15px;
    font-size: 11px;
    cursor: pointer;
}

/* Window Content */
.window-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 200px;
    background: linear-gradient(180deg, #7ba2e7 0%, #6b94d8 50%, #4e7cc7 100%);
    border-right: 1px solid var(--button-shadow);
    padding: 5px;
    overflow-y: auto;
}

.sidebar-header {
    background: linear-gradient(180deg, #5a8bd4 0%, #4272c3 100%);
    color: white;
    padding: 5px 8px;
    font-weight: bold;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 5px;
    border-radius: 3px 3px 0 0;
    margin-bottom: 5px;
}

.sidebar-icon {
    width: 16px;
    height: 16px;
}

.folder-tree {
    background: white;
    border: 1px solid #7f9db9;
    padding: 5px;
}

.folder-item {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 2px 5px;
    cursor: pointer;
    font-size: 11px;
}

.folder-item:hover {
    background: var(--selection-bg);
    color: var(--selection-text);
}

.folder-item.active {
    background: var(--selection-bg);
    color: var(--selection-text);
}

.folder-toggle {
    width: 12px;
    font-family: monospace;
    font-size: 10px;
}

.folder-icon {
    width: 16px;
    height: 16px;
}

/* Platform Filter */
.platform-filter {
    background: white;
    border: 1px solid #7f9db9;
    padding: 8px;
}

.platform-checkbox {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 3px 0;
    cursor: pointer;
    font-size: 11px;
}

.platform-checkbox input {
    cursor: pointer;
}

.platform-icon {
    width: 16px;
    height: 16px;
}

/* Main Content */
.main-content {
    flex: 1;
    background: white;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* View Controls */
.view-controls {
    background: var(--menu-bg);
    padding: 3px 5px;
    display: flex;
    align-items: center;
    gap: 2px;
    border-bottom: 1px solid var(--button-shadow);
}

.view-btn {
    width: 24px;
    height: 24px;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn:hover {
    border: 1px solid;
    border-color: var(--button-highlight) var(--button-shadow) var(--button-shadow) var(--button-highlight);
}

.view-btn.active {
    border: 1px solid;
    border-color: var(--button-shadow) var(--button-highlight) var(--button-highlight) var(--button-shadow);
    background: rgba(0, 0, 0, 0.1);
}

.view-icon {
    font-size: 14px;
}

.item-count {
    margin-left: auto;
    font-size: 11px;
    color: var(--button-text);
}

/* Software Grid - Icons View */
.software-grid {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    align-content: start;
}

.software-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.software-grid.details-view {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Software Item - Icon View */
.software-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
    text-decoration: none;
    color: inherit;
}

.software-item:hover {
    background: rgba(49, 106, 197, 0.2);
}

.software-item.selected {
    background: var(--selection-bg);
    color: var(--selection-text);
}

.software-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 5px;
    image-rendering: pixelated;
}

.software-name {
    font-size: 11px;
    word-break: break-word;
    max-width: 90px;
}

/* Software Item - List View */
.software-grid.list-view .software-item {
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
    padding: 3px 5px;
    gap: 8px;
}

.software-grid.list-view .software-icon {
    width: 16px;
    height: 16px;
    margin-bottom: 0;
}

.software-grid.list-view .software-name {
    max-width: none;
}

/* Software Item - Details View */
.software-grid.details-view .software-item {
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
    padding: 2px 5px;
    gap: 8px;
    border-bottom: 1px solid #f0f0f0;
}

.software-grid.details-view .software-icon {
    width: 16px;
    height: 16px;
    margin-bottom: 0;
}

.software-grid.details-view .software-name {
    max-width: none;
    flex: 2;
}

.software-grid.details-view .software-meta {
    display: flex;
    gap: 20px;
    flex: 3;
    font-size: 11px;
    color: #666;
}

.details-header {
    display: flex;
    padding: 5px;
    background: var(--menu-bg);
    border-bottom: 1px solid var(--button-shadow);
    font-weight: bold;
    font-size: 11px;
}

.details-header span {
    cursor: pointer;
}

.details-header span:hover {
    text-decoration: underline;
}

/* Platform Icons in Item */
.platform-icons {
    display: flex;
    gap: 3px;
    margin-top: 3px;
}

.platform-icons img {
    width: 12px;
    height: 12px;
    opacity: 0.7;
}

.platform-icons img.available {
    opacity: 1;
}

/* Status Bar */
.status-bar {
    background: var(--menu-bg);
    border-top: 1px solid var(--button-shadow);
    padding: 2px 5px;
    display: flex;
    gap: 10px;
    font-size: 11px;
}

.status-section {
    padding: 0 10px;
    border-right: 1px solid var(--button-shadow);
}

.status-section:last-child {
    border-right: none;
    margin-left: auto;
}

/* Taskbar */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: var(--taskbar-bg);
    display: flex;
    align-items: center;
    padding: 0 2px;
    border-top: 1px solid #0d3d9f;
}

.start-btn {
    background: var(--start-btn-bg);
    border: none;
    border-radius: 0 8px 8px 0;
    padding: 2px 12px 2px 8px;
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    color: white;
    font-weight: bold;
    font-size: 12px;
    font-style: italic;
    height: 26px;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
}

.start-btn:hover {
    filter: brightness(1.1);
}

.start-icon {
    width: 20px;
    height: 20px;
}

.quick-launch {
    display: flex;
    padding: 0 5px;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    border-right: 1px solid rgba(0, 0, 0, 0.3);
    margin-left: 5px;
}

.quick-btn {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.9;
}

.quick-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
}

.quick-btn img {
    width: 16px;
    height: 16px;
}

.taskbar-programs {
    flex: 1;
    display: flex;
    padding: 0 5px;
    gap: 3px;
}

.taskbar-program {
    background: linear-gradient(180deg, #3c81d8 0%, #2f6dc3 50%, #2663b0 100%);
    border: 1px solid rgba(0, 0, 0, 0.3);
    border-radius: 2px;
    padding: 2px 10px;
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    color: white;
    font-size: 11px;
    min-width: 150px;
    max-width: 200px;
}

.taskbar-program.active {
    background: linear-gradient(180deg, #2b5ea8 0%, #1a4a8f 50%, #153d78 100%);
    border-color: rgba(0, 0, 0, 0.5);
}

.taskbar-program img {
    width: 16px;
    height: 16px;
}

.system-tray {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0 10px;
    background: linear-gradient(180deg, #1a5cb8 0%, #1550a8 100%);
    height: 100%;
    border-left: 1px solid rgba(0, 0, 0, 0.3);
}

.tray-icon {
    font-size: 12px;
    color: white;
    cursor: pointer;
}

.tray-time {
    color: white;
    font-size: 11px;
    font-weight: bold;
    padding-left: 5px;
}

/* Scrollbar - Windows Classic Style */
::-webkit-scrollbar {
    width: 16px;
    height: 16px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-bg);
    border: 1px solid var(--button-shadow);
}

::-webkit-scrollbar-thumb {
    background: var(--button-face);
    border: 1px solid;
    border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
}

::-webkit-scrollbar-thumb:hover {
    background: #d4d0c8;
}

::-webkit-scrollbar-button {
    background: var(--button-face);
    border: 1px solid;
    border-color: var(--button-highlight) var(--button-dark-shadow) var(--button-dark-shadow) var(--button-highlight);
    width: 16px;
    height: 16px;
}

/* Loading Spinner */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #666;
}

.loading-icon {
    font-size: 48px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #666;
    text-align: center;
    padding: 20px;
}

.empty-state img {
    width: 64px;
    height: 64px;
    opacity: 0.5;
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 800px) {
    .sidebar {
        width: 150px;
    }

    .search-box input {
        width: 120px;
    }

    .toolbar-btn span {
        display: none;
    }
}

@media (max-width: 600px) {
    .sidebar {
        display: none;
    }

    .address-bar {
        display: none;
    }

    .menu-bar {
        display: none;
    }
}