/* KernelOS v2 Styles */

/* CSS Variables for theming */
:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --accent-primary: #4a9eff;
    --accent-secondary: #e94560;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --window-bg: #2d2d2d;
    --window-header: #3d3d3d;
    --taskbar-bg: rgba(30, 30, 30, 0.95);
}

/* Light theme */
[data-theme="light"] {
    --bg-primary: #e8e8e8;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #ffffff;
    --accent-primary: #0078d4;
    --accent-secondary: #d13438;
    --text-primary: #1a1a1a;
    --text-secondary: rgba(0, 0, 0, 0.7);
    --text-muted: rgba(0, 0, 0, 0.5);
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.15);
    --window-bg: #ffffff;
    --window-header: #f0f0f0;
    --taskbar-bg: rgba(255, 255, 255, 0.95);
}

/* Desktop */
.desktop {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    transition: background-color 0.3s ease;
}

/* Desktop Icons */
.desktop-icons {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.desktop-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    width: 80px;
}

.desktop-icon:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.desktop-icon:active {
    background-color: rgba(255, 255, 255, 0.2);
}

.desktop-icon-image {
    font-size: 32px;
    margin-bottom: 4px;
}

.desktop-icon-label {
    color: var(--text-primary);
    font-size: 11px;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    word-wrap: break-word;
    max-width: 70px;
}

/* Windows */
.window {
    position: absolute;
    background-color: var(--window-bg);
    border-radius: 8px;
    box-shadow: 0 8px 32px var(--shadow-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-width: 200px;
    min-height: 150px;
}

.window.focused {
    box-shadow: 0 12px 48px var(--shadow-color);
}

.window-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background-color: var(--window-header);
    cursor: move;
    user-select: none;
    -webkit-user-select: none;
}

.window-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    margin-right: 12px;
}

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

.window-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.window-control:hover {
    opacity: 0.8;
}

.window-control.close {
    background-color: #ff5f57;
}

.window-control.minimize {
    background-color: #ffbd2e;
}

.window-control.maximize {
    background-color: #28ca41;
}

.window-content {
    flex: 1;
    overflow: auto;
    background-color: var(--window-bg);
}

/* Resize handles */
.resize-handle {
    position: absolute;
    z-index: 10;
}

.resize-handle.right {
    right: 0;
    top: 0;
    width: 6px;
    height: 100%;
    cursor: ew-resize;
}

.resize-handle.bottom {
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6px;
    cursor: ns-resize;
}

.resize-handle.corner {
    right: 0;
    bottom: 0;
    width: 16px;
    height: 16px;
    cursor: nwse-resize;
}

/* Taskbar */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 48px;
    background-color: var(--taskbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    padding: 0 8px;
    z-index: 1000;
    border-top: 1px solid var(--border-color);
}

.start-button {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.start-button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.4);
}

.quick-launch {
    display: flex;
    gap: 4px;
    margin-left: 12px;
    padding-left: 12px;
    border-left: 1px solid var(--border-color);
}

.quick-launch-button {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.quick-launch-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.taskbar-windows {
    display: flex;
    gap: 4px;
    margin-left: 12px;
    flex: 1;
    overflow-x: auto;
}

.taskbar-window-button {
    height: 36px;
    padding: 0 12px;
    border-radius: 6px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background-color 0.2s ease;
}

.taskbar-window-button:hover {
    background: rgba(255, 255, 255, 0.15);
}

.taskbar-window-button.active {
    background: rgba(255, 255, 255, 0.2);
    border-bottom: 2px solid var(--accent-primary);
}

.taskbar-window-button.minimized {
    opacity: 0.6;
}

.system-tray {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    padding-left: 12px;
    border-left: 1px solid var(--border-color);
}

.system-tray-clock {
    color: var(--text-primary);
    font-size: 12px;
    padding: 0 8px;
}

/* Context Menu */
.context-menu {
    position: fixed;
    background-color: var(--window-bg);
    border-radius: 8px;
    box-shadow: 0 8px 32px var(--shadow-color);
    padding: 8px 0;
    min-width: 200px;
    z-index: 2000;
    border: 1px solid var(--border-color);
}

.context-menu-item {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 13px;
    transition: background-color 0.15s ease;
}

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

.context-menu-item-icon {
    margin-right: 12px;
    font-size: 16px;
}

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

.context-menu-submenu {
    position: relative;
}

.context-menu-submenu::after {
    content: '▸';
    position: absolute;
    right: 12px;
    font-size: 10px;
}

/* Start Menu */
.start-menu {
    position: fixed;
    bottom: 56px;
    left: 8px;
    width: 320px;
    max-height: 500px;
    background-color: var(--window-bg);
    border-radius: 12px;
    box-shadow: 0 8px 32px var(--shadow-color);
    z-index: 1500;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.start-menu-header {
    padding: 16px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.start-menu-search {
    width: 100%;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 14px;
    outline: none;
}

.start-menu-search::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.start-menu-apps {
    padding: 8px;
    max-height: 350px;
    overflow-y: auto;
}

.start-menu-app {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.start-menu-app:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.start-menu-app-icon {
    font-size: 24px;
    margin-right: 12px;
}

.start-menu-app-name {
    color: var(--text-primary);
    font-size: 14px;
}

/* Terminal */
.terminal {
    height: 100%;
    background-color: #1e1e1e;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    display: flex;
    flex-direction: column;
}

.terminal-output {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 13px;
    line-height: 1.5;
}

.terminal-line-command {
    color: #4ec9b0;
}

.terminal-line-output {
    color: #d4d4d4;
}

.terminal-line-error {
    color: #f14c4c;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-top: 1px solid #333;
    background-color: #252526;
}

.terminal-prompt {
    color: #569cd6;
    margin-right: 8px;
    font-size: 13px;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #d4d4d4;
    font-family: inherit;
    font-size: 13px;
}

/* File Explorer */
.file-explorer {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #252526;
}

.file-explorer-toolbar {
    display: flex;
    align-items: center;
    padding: 8px;
    gap: 8px;
    border-bottom: 1px solid #333;
    background-color: #2d2d2d;
}

.file-explorer-path {
    flex: 1;
    display: flex;
    align-items: center;
    background-color: #3c3c3c;
    border-radius: 4px;
    padding: 4px 8px;
    color: #d4d4d4;
    font-size: 13px;
}

.file-explorer-path-segment {
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
}

.file-explorer-path-segment:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.file-explorer-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    color: #d4d4d4;
    transition: background-color 0.15s ease;
}

.file-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.file-item.selected {
    background-color: rgba(74, 158, 255, 0.2);
}

.file-item-icon {
    font-size: 20px;
    margin-right: 12px;
}

.file-item-name {
    flex: 1;
    font-size: 13px;
}

.file-item-size {
    font-size: 12px;
    color: #888;
    margin-left: 12px;
}

/* Text Editor */
.text-editor {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #1e1e1e;
}

.text-editor-toolbar {
    display: flex;
    align-items: center;
    padding: 8px;
    gap: 8px;
    border-bottom: 1px solid #333;
    background-color: #252526;
}

.text-editor-textarea {
    flex: 1;
    padding: 12px;
    background-color: #1e1e1e;
    color: #d4d4d4;
    border: none;
    outline: none;
    resize: none;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.6;
}

/* Calculator */
.calculator {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #202020;
    padding: 12px;
}

.calculator-display {
    background-color: #1a1a1a;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    text-align: right;
}

.calculator-expression {
    color: #888;
    font-size: 14px;
    min-height: 20px;
}

.calculator-result {
    color: white;
    font-size: 36px;
    font-weight: 300;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    flex: 1;
}

.calculator-button {
    border: none;
    border-radius: 8px;
    font-size: 20px;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

.calculator-button:active {
    transform: scale(0.95);
}

.calculator-button.number {
    background-color: #333;
    color: white;
}

.calculator-button.number:hover {
    background-color: #444;
}

.calculator-button.operator {
    background-color: #ff9500;
    color: white;
}

.calculator-button.operator:hover {
    background-color: #ffaa33;
}

.calculator-button.function {
    background-color: #a5a5a5;
    color: black;
}

.calculator-button.function:hover {
    background-color: #b5b5b5;
}

/* Settings */
.settings {
    display: flex;
    height: 100%;
    background-color: #252526;
}

.settings-sidebar {
    width: 200px;
    background-color: #1e1e1e;
    border-right: 1px solid #333;
    padding: 12px 0;
}

.settings-nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #d4d4d4;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.settings-nav-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.settings-nav-item.active {
    background-color: rgba(74, 158, 255, 0.2);
    border-left: 3px solid var(--accent-primary);
}

.settings-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.settings-section {
    margin-bottom: 32px;
}

.settings-section-title {
    color: white;
    font-size: 18px;
    margin-bottom: 16px;
}

.settings-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #333;
}

.settings-option-label {
    color: #d4d4d4;
    font-size: 14px;
}

/* Paint */
.paint {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #f0f0f0;
}

.paint-toolbar {
    display: flex;
    align-items: center;
    padding: 8px;
    gap: 8px;
    background-color: #e0e0e0;
    border-bottom: 1px solid #ccc;
    flex-wrap: wrap;
}

.paint-tool {
    width: 32px;
    height: 32px;
    border: 2px solid transparent;
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.paint-tool.active {
    border-color: var(--accent-primary);
    background-color: rgba(74, 158, 255, 0.1);
}

.paint-color-picker {
    display: flex;
    gap: 4px;
}

.paint-color {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
}

.paint-color.active {
    border-color: #333;
}

.paint-canvas-container {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #888;
}

.paint-canvas {
    background-color: white;
    cursor: crosshair;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Notifications */
.notification-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.notification {
    background-color: var(--window-bg);
    border-radius: 8px;
    box-shadow: 0 4px 16px var(--shadow-color);
    padding: 16px;
    min-width: 300px;
    max-width: 400px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--accent-primary);
}

.notification.error {
    border-left-color: #f14c4c;
}

.notification.success {
    border-left-color: #28ca41;
}

.notification.warning {
    border-left-color: #ffbd2e;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification-title {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.notification-message {
    color: var(--text-secondary);
    font-size: 13px;
}

.notification-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
}

/* Clock Widget */
.clock-widget {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
}

.clock-time {
    font-size: 64px;
    font-weight: 200;
    letter-spacing: 4px;
}

.clock-date {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background-color: #3a8eef;
}

.btn-secondary {
    background-color: #555;
    color: white;
}

.btn-secondary:hover {
    background-color: #666;
}

.btn-danger {
    background-color: #f14c4c;
    color: white;
}

.btn-danger:hover {
    background-color: #ff5c5c;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Game styles */
.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-color: #1a1a2e;
    padding: 16px;
}

.game-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 16px;
    color: white;
}

.game-score {
    font-size: 18px;
}

.game-board {
    display: grid;
    gap: 2px;
    background-color: #333;
    padding: 2px;
    border-radius: 4px;
}

.game-cell {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
}

.game-controls {
    margin-top: 16px;
    display: flex;
    gap: 12px;
}