/* AI Virtual Machine Styles - Autonomous Mode */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0078d4;
    --secondary-color: #106ebe;
    --bg-color: #1e1e1e;
    --surface-color: #252526;
    --text-color: #ffffff;
    --text-secondary: #cccccc;
    --border-color: #3c3c3c;
    --taskbar-height: 48px;
    --window-header-height: 32px;
    --success-color: #4caf50;
    --error-color: #f44336;
    --warning-color: #ff9800;
    --ai-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    background: var(--bg-color);
    color: var(--text-color);
}

#vm-container {
    width: 100vw;
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Desktop */
#desktop {
    flex: 1;
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    background-size: cover;
    overflow: hidden;
    padding-bottom: calc(var(--taskbar-height) + env(safe-area-inset-bottom, 0px));
}

/* Desktop Icons */
#desktop-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 20px;
}

.desktop-icon {
    position: absolute;
    width: 80px;
    text-align: center;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
    user-select: none;
}

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

.desktop-icon.selected {
    background: rgba(0, 120, 212, 0.3);
}

.desktop-icon-image {
    font-size: 48px;
    margin-bottom: 4px;
}

.desktop-icon-label {
    font-size: 12px;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    word-wrap: break-word;
}

/* Windows */
#windows-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.window {
    position: absolute;
    background: var(--surface-color);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    pointer-events: auto;
    min-width: 300px;
    min-height: 200px;
    animation: windowOpen 0.2s ease-out;
}

@keyframes windowOpen {
    from { 
        opacity: 0; 
        transform: scale(0.95);
    }
    to { 
        opacity: 1; 
        transform: scale(1);
    }
}

.window.focused {
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
}

.window.maximized {
    border-radius: 0;
}

.window-header {
    height: var(--window-header-height);
    background: var(--bg-color);
    display: flex;
    align-items: center;
    padding: 0 8px;
    cursor: move;
    user-select: none;
}

.window-title {
    flex: 1;
    font-size: 13px;
    padding-left: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.window-btn {
    width: 32px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    border-radius: 4px;
    font-size: 12px;
}

.window-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.window-btn.close:hover {
    background: #e81123;
}

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

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

/* Taskbar */
#taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--taskbar-height);
    background: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    padding: 0 8px;
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

#start-button {
    min-width: 72px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    border-radius: 4px;
}

#start-button:hover {
    background: rgba(255, 255, 255, 0.1);
}

#taskbar-copy {
    margin-left: 8px;
    margin-right: 12px;
    color: var(--text-secondary);
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 0 0 40vw;
}

#taskbar-apps {
    flex: 1 1 auto;
    display: flex;
    gap: 4px;
    padding: 0 8px;
    overflow-x: auto;
}

.taskbar-item {
    min-width: 48px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 20px;
    gap: 8px;
}

.taskbar-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.taskbar-item.active {
    background: rgba(255, 255, 255, 0.15);
    border-bottom: 2px solid var(--primary-color);
}

#system-tray {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 12px;
}

#clock {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Start Menu */
#start-menu {
    position: absolute;
    bottom: var(--taskbar-height);
    left: 0;
    width: 320px;
    max-height: 500px;
    background: rgba(30, 30, 30, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 8px 8px 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 10000;
}

#start-menu.hidden {
    display: none;
}

#start-menu-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.flash-banner {
    margin-top: 8px;
    font-size: 14px;
    color: #ffd966;
    text-align: left;
    animation: flashPulse 1.2s ease-in-out infinite alternate;
    background: rgba(0, 0, 0, 0.85);
    padding: 6px 10px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

@keyframes flashPulse {
    0% { opacity: 0.35; text-shadow: none; }
    100% { opacity: 1; text-shadow: 0 0 6px rgba(255, 217, 102, 0.6); }
}

#start-menu-apps {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.start-menu-app {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    cursor: pointer;
    border-radius: 8px;
}

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

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

.start-menu-app-info {
    flex: 1;
}

.start-menu-app-name {
    font-size: 14px;
    font-weight: 500;
}

.start-menu-app-desc {
    font-size: 11px;
    color: var(--text-secondary);
}

#start-menu-footer {
    display: flex;
    border-top: 1px solid var(--border-color);
    padding: 8px;
}

.start-menu-action {
    flex: 1;
    padding: 12px;
    text-align: center;
    cursor: pointer;
    border-radius: 8px;
    font-size: 13px;
}

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

/* Context Menu */
#context-menu {
    position: absolute;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px;
    min-width: 180px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    z-index: 10001;
}

#context-menu.hidden {
    display: none;
}

.menu-item {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.menu-separator {
    height: 1px;
    background: var(--border-color);
    margin: 4px 8px;
}

/* ==================== */
/* AI CHAT PANEL STYLES */
/* ==================== */

#ai-panel {
    position: fixed;
    bottom: calc(var(--taskbar-height) + 16px);
    right: 16px;
    width: 400px;
    height: 500px;
    background: var(--surface-color);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
    border: 1px solid var(--border-color);
    transition: height 0.3s ease;
}

#ai-panel.minimized {
    height: 52px;
}

#ai-panel.minimized #ai-panel-content {
    display: none;
}

#ai-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--ai-gradient);
    cursor: pointer;
    flex-shrink: 0;
}

#ai-panel-header span {
    font-weight: 600;
    font-size: 14px;
    color: white;
}

#ai-panel-controls {
    display: flex;
    gap: 6px;
}

#ai-panel-controls button {
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

#ai-panel-controls button:hover {
    background: rgba(255, 255, 255, 0.3);
}

#ai-panel-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-color);
}

/* Progress Bar */
#ai-progress-bar {
    height: 28px;
    background: var(--surface-color);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color);
}

#ai-progress-bar.hidden {
    display: none;
}

#ai-progress-fill {
    height: 100%;
    background: var(--ai-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

#ai-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 11px;
    font-weight: 500;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Chat History */
#ai-chat-history {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Welcome Message */
.ai-welcome {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--border-color);
}

.ai-welcome h4 {
    margin-bottom: 8px;
    font-size: 15px;
    color: var(--text-color);
}

.ai-welcome p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.ai-examples {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 12px;
}

.ai-examples strong {
    font-size: 12px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 8px;
}

.ai-examples ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ai-examples li {
    font-size: 12px;
    color: #888;
    padding: 4px 0;
    cursor: pointer;
    transition: color 0.2s;
}

.ai-examples li:hover {
    color: var(--primary-color);
}

.ai-examples li::before {
    content: "→ ";
    color: var(--primary-color);
}

/* Chat Messages */
.ai-message {
    padding: 12px 16px;
    border-radius: 16px;
    max-width: 85%;
    word-wrap: break-word;
    font-size: 13px;
    line-height: 1.5;
    animation: messageSlide 0.3s ease;
}

@keyframes messageSlide {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

.ai-message.user {
    background: var(--ai-gradient);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.ai-message.ai {
    background: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}

.ai-message.ai.success {
    border-left: 3px solid var(--success-color);
}

.ai-message.ai.error {
    border-left: 3px solid var(--error-color);
}

.ai-message.loading {
    color: var(--text-secondary);
}

.ai-message.loading::after {
    content: '';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Input Container */
#ai-input-container {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

#ai-input {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    border-radius: 24px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

#ai-input:focus {
    border-color: var(--primary-color);
}

#ai-input::placeholder {
    color: #666;
}

#ai-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#ai-send {
    padding: 12px 20px;
    background: var(--ai-gradient);
    color: white;
    border: none;
    border-radius: 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

#ai-send:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

#ai-send:active:not(:disabled) {
    transform: translateY(0);
}

#ai-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

#ai-stop-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulseStop 1.5s infinite;
    transition: background 0.2s;
}

#ai-stop-btn.hidden {
    display: none;
}

@keyframes pulseStop {
    0%, 100% { box-shadow: 0 0 0 0 rgba(244, 67, 54, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(244, 67, 54, 0); }
}

#ai-stop-btn:hover {
    background: #d32f2f;
}

/* ============= */
/* MODAL STYLES  */
/* ============= */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--surface-color);
    border-radius: 16px;
    width: 480px;
    max-width: 90%;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from { 
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(85vh - 70px);
}

.settings-group {
    margin-bottom: 24px;
}

.settings-group:last-of-type {
    margin-bottom: 0;
}

.settings-group > label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.settings-group input[type="text"],
.settings-group input[type="password"],
.settings-group input[type="number"],
.settings-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    border-radius: 10px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.settings-group input:focus,
.settings-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.settings-group small {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.settings-group small a {
    color: var(--primary-color);
    text-decoration: none;
}

.settings-group small a:hover {
    text-decoration: underline;
}

.input-group {
    display: flex;
    gap: 10px;
}

.input-group input {
    flex: 1;
}

.btn-icon {
    width: 48px;
    min-width: 48px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--border-color);
}

/* Toggle Switch */
.toggle-switch {
    display: flex;
    align-items: center;
    gap: 14px;
}

.toggle-switch input[type="checkbox"] {
    width: 52px;
    height: 28px;
    appearance: none;
    background: var(--border-color);
    border-radius: 14px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
}

.toggle-switch input[type="checkbox"]:checked {
    background: var(--primary-color);
}

.toggle-switch input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-switch input[type="checkbox"]:checked::before {
    transform: translateX(24px);
}

.toggle-switch label {
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
}

/* Range Slider */
.settings-group input[type="range"] {
    width: calc(100% - 60px);
    height: 6px;
    -webkit-appearance: none;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
    margin-right: 10px;
}

.settings-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

.settings-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.range-value {
    display: inline-block;
    min-width: 50px;
    text-align: right;
    color: var(--text-secondary);
    font-size: 13px;
}

.settings-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.btn-primary {
    flex: 1;
    padding: 14px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--secondary-color);
}

.btn-secondary {
    flex: 1;
    padding: 14px 24px;
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--border-color);
}

.settings-status {
    text-align: center;
    margin-top: 16px;
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
}

.settings-status.success {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
}

.settings-status.error {
    background: rgba(244, 67, 54, 0.1);
    color: var(--error-color);
}

/* ============ */
/* APP STYLES   */
/* ============ */

/* Browser */
.browser-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.browser-tabs {
    display: flex;
    background: var(--bg-color);
    padding: 6px 6px 0;
    gap: 2px;
    overflow-x: auto;
}

.browser-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--surface-color);
    border-radius: 10px 10px 0 0;
    cursor: pointer;
    max-width: 180px;
    font-size: 12px;
    transition: background 0.2s;
}

.browser-tab:hover {
    background: #333;
}

.browser-tab.active {
    background: var(--surface-color);
}

.browser-tab-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.browser-tab-close {
    width: 18px;
    height: 18px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 50%;
    font-size: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.browser-tab-close:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.browser-tab-new {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    font-size: 18px;
    margin-left: 4px;
    flex-shrink: 0;
    transition: all 0.2s;
}

.browser-tab-new:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.browser-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.browser-nav-btn {
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.2s;
}

.browser-nav-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

.browser-nav-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.browser-url-bar {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-color);
    border-radius: 20px;
    font-size: 13px;
    transition: all 0.2s;
}

.browser-url-bar:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-color);
}

.browser-content {
    flex: 1;
    background: white;
    overflow: auto;
}

/* Word Processor */
.word-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.word-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 10px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.word-toolbar-group {
    display: flex;
    gap: 2px;
    padding-right: 10px;
    margin-right: 6px;
    border-right: 1px solid var(--border-color);
    position: relative;
}

.word-toolbar-group:last-child {
    border-right: none;
}

.word-toolbar-btn {
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
}

.word-toolbar-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.word-toolbar-btn.active {
    background: var(--primary-color);
}

.word-toolbar-select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-color);
    border-radius: 6px;
    font-size: 12px;
}

.word-toolbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
}

.word-toolbar-copy {
    color: var(--text-color);
    opacity: 0.8;
    font-size: 12px;
}

/* Word Export Menu */
.word-export-menu {
    position: absolute;
    top: 40px;
    left: 6px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.3);
    padding: 8px;
    min-width: 180px;
    display: none;
    z-index: 1000;
}

.word-export-menu.show { display: block; }

.word-export-title {
    font-size: 12px;
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 6px;
}

.word-export-item {
    width: 100%;
    text-align: left;
    padding: 8px 10px;
    border: none;
    background: transparent;
    color: var(--text-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
}

.word-export-item:hover { background: rgba(255,255,255,0.08); }

.word-content {
    flex: 1;
    padding: 40px;
    background: #2d2d2d;
    overflow: auto;
    display: flex;
    justify-content: center;
}

.word-page {
    width: 816px;
    min-height: 1056px;
    background: white;
    color: black;
    padding: 96px 72px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    font-family: 'Times New Roman', serif;
    font-size: 12pt;
    line-height: 1.6;
}

.word-page:focus {
    outline: none;
}

/* Spreadsheet */
.spreadsheet-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.spreadsheet-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.spreadsheet-formula-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
}

.spreadsheet-cell-ref {
    width: 70px;
    padding: 6px 10px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
}

.spreadsheet-formula-input {
    flex: 1;
    padding: 6px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 13px;
    border-radius: 4px;
}

.spreadsheet-formula-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.spreadsheet-grid {
    flex: 1;
    overflow: auto;
    background: var(--surface-color);
}

.spreadsheet-table {
    border-collapse: collapse;
    font-size: 12px;
}

.spreadsheet-table th,
.spreadsheet-table td {
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    min-width: 85px;
    height: 28px;
}

.spreadsheet-table th {
    background: var(--bg-color);
    font-weight: 500;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
    z-index: 1;
}

.spreadsheet-table th:first-child {
    left: 0;
    z-index: 2;
}

.spreadsheet-row-header {
    background: var(--bg-color);
    text-align: center;
    font-weight: 500;
    position: sticky;
    left: 0;
    min-width: 45px;
}

.spreadsheet-cell {
    background: var(--surface-color);
    cursor: cell;
    transition: background 0.1s;
}

.spreadsheet-cell:hover {
    background: rgba(0, 120, 212, 0.1);
}

.spreadsheet-cell.selected {
    background: rgba(0, 120, 212, 0.2);
    outline: 2px solid var(--primary-color);
    outline-offset: -1px;
}

.spreadsheet-cell-input {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
    color: black;
    padding: 6px 10px;
    font-size: 12px;
}

/* Terminal */
.terminal-container {
    height: 100%;
    background: #0c0c0c;
    color: #cccccc;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    padding: 16px;
    overflow: auto;
}

.terminal-output {
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.5;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.terminal-prompt {
    color: #4ec9b0;
    margin-right: 10px;
    font-weight: 500;
}

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

/* Utilities */
.hidden {
    display: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Responsive */
@media (max-width: 768px) {
    #ai-panel {
        width: calc(100% - 32px);
        right: 16px;
        left: 16px;
        height: 400px;
    }
    
    #start-menu {
        width: 100%;
        border-radius: 0;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .word-page {
        width: 100%;
        padding: 40px 30px;
    }
    
    /* Desktop icons become grid */
    #desktop-icons {
        position: static;
        padding: 12px;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 12px;
        height: auto;
    }
    .desktop-icon {
        position: static;
        width: auto;
        background: rgba(255,255,255,0.08);
    }
    
    /* Windows tighten spacing */
    .window {
        max-width: 100%;
        max-height: calc(100% - var(--taskbar-height));
        left: 0 !important;
        right: 0 !important;
    }
    .window-header {
        padding: 0 6px;
    }
    .window-title { font-size: 12px; }
    .window-btn { width: 28px; height: 22px; }
    
    /* Browser toolbar wraps and URL bar full width */
    .browser-toolbar {
        flex-wrap: wrap;
        gap: 6px;
    }
    .browser-url-bar {
        flex: 1 1 100%;
        order: 2;
    }
    .browser-nav-btn#browser-go,
    .browser-nav-btn#browser-bookmark,
    .browser-nav-btn#browser-open-external {
        order: 1;
    }
    .home-title { font-size: 32px; }
    .home-search-input { font-size: 15px; }
    .home-search-btn { font-size: 15px; }
    #start-button { min-width: 64px; }
    #start-button .start-label { font-size: 12px; }
    #taskbar-copy { font-size: 11px; max-width: 45vw; }
    #taskbar-apps { flex: 0 0 34vw; }
    #system-tray #clock { font-size: 11px; }
}

@media (max-width: 480px) {
    :root { --taskbar-height: 44px; --window-header-height: 30px; }
    #ai-panel { height: 60vh; }
    #taskbar-copy { display: block; font-size: 10px; max-width: 60vw; }
    #taskbar-apps { flex: 0 0 30vw; }
    #system-tray { padding: 0 6px; }
    .quick-links-grid { grid-template-columns: repeat(2, 1fr); }
    .search-input-large { font-size: 14px; }
    .search-btn-large { font-size: 14px; }
    .search-header { gap: 10px; }
    .search-box-small { max-width: 100%; }
    .search-input-small { font-size: 13px; }
    .repo-list { grid-template-columns: 1fr; }
    .generic-content { flex-direction: column; }
    .generic-nav { width: 100%; flex-direction: row; flex-wrap: wrap; gap: 8px; }
}
#start-button .start-logo { font-size: 20px; }
#start-button .start-label { font-size: 14px; color: var(--text-color); }
/* Desktop banner near apps */
.desktop-banner {
    position: absolute;
    top: 12px;
    left: 20px;
    z-index: 5;
    max-width: min(640px, 70vw);
    font-size: 12px; /* match .desktop-icon-label */
    pointer-events: none;
}