/* === Windows 11 Style Theme === */
@import url('https://fonts.googleapis.com/css2?family=Segoe+UI:wght@300;400;500;600;700&display=swap');

:root {
    /* Windows 11 Colors */
    --accent-color: #0078d4;
    --accent-light: #60cdff;
    --accent-dark: #005a9e;
    --bg-dark: #0a0a0a;
    --bg-medium: #1a1a1a;
    --bg-light: #2a2a2a;
    --surface: rgba(255, 255, 255, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.08);
    --surface-active: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --blur-amount: 20px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --font-main: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

    /* Terminal Colors */
    --term-green: #00ff41;
    --term-bg: #0c0c0c;

    /* Window transparency */
    --window-opacity: 0.9;
}

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

body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    user-select: none;
}

/* === Mode Selection Screen - Abstract Design === */
#mode-selection {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    z-index: 10000;
    background: var(--bg-dark);
}

.mode-bg-pattern {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 255, 65, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 120, 212, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.mode-option {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: flex var(--transition-slow), background var(--transition-medium);
}

.mode-option:hover {
    flex: 1.2;
}

.mode-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0;
    transition: opacity var(--transition-medium);
    pointer-events: none;
}

.terminal-glow {
    background: var(--term-green);
}

.desktop-glow {
    background: var(--accent-color);
}

.mode-option:hover .mode-glow {
    opacity: 0.15;
}

.mode-terminal {
    background: linear-gradient(180deg, rgba(0, 20, 0, 0.3) 0%, transparent 100%);
}

.mode-terminal:hover {
    background: linear-gradient(180deg, rgba(0, 40, 0, 0.4) 0%, rgba(0, 20, 0, 0.2) 100%);
}

.mode-desktop {
    background: linear-gradient(180deg, rgba(0, 20, 40, 0.3) 0%, transparent 100%);
}

.mode-desktop:hover {
    background: linear-gradient(180deg, rgba(0, 40, 80, 0.4) 0%, rgba(0, 20, 40, 0.2) 100%);
}

.mode-content {
    position: relative;
    z-index: 2;
    text-align: center;
    transition: transform var(--transition-medium);
}

.mode-option:hover .mode-content {
    transform: scale(1.05);
}

.mode-icon-abstract {
    width: 80px;
    height: 60px;
    margin: 0 auto 32px auto;
    position: relative;
    transition: transform var(--transition-medium);
}

.mode-option:hover .mode-icon-abstract {
    transform: translateY(-8px);
}

.mode-terminal .icon-line {
    height: 2px;
    background: var(--term-green);
    margin-bottom: 8px;
    border-radius: 1px;
    opacity: 0.6;
    transition: all var(--transition-medium);
}

.mode-terminal .icon-line:nth-child(1) {
    width: 60%;
}

.mode-terminal .icon-line:nth-child(2) {
    width: 80%;
    animation: pulse-line 2s ease infinite;
}

.mode-terminal .icon-line:nth-child(3) {
    width: 40%;
}

.mode-terminal:hover .icon-line {
    opacity: 1;
    box-shadow: 0 0 10px var(--term-green);
}

.icon-cursor {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 8px;
    height: 14px;
    background: var(--term-green);
    animation: blink 1s step-end infinite;
}

@keyframes pulse-line {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.mode-desktop .icon-window {
    position: absolute;
    background: transparent;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    opacity: 0.6;
    transition: all var(--transition-medium);
}

.mode-desktop .icon-window:first-child {
    width: 50px;
    height: 35px;
    top: 0;
    left: 0;
}

.mode-desktop .icon-window.small {
    width: 40px;
    height: 28px;
    bottom: 0;
    right: 0;
}

.window-bar {
    height: 6px;
    background: var(--accent-color);
    opacity: 0.4;
    border-radius: 2px 2px 0 0;
}

.mode-desktop:hover .icon-window {
    opacity: 1;
    border-color: var(--accent-light);
    box-shadow: 0 0 20px rgba(0, 120, 212, 0.3);
}

.mode-desktop:hover .window-bar {
    opacity: 0.8;
    background: var(--accent-light);
}

.mode-title {
    font-size: 48px;
    font-weight: 200;
    letter-spacing: 12px;
    margin-bottom: 8px;
    transition: all var(--transition-medium);
}

.mode-terminal .mode-title {
    color: var(--term-green);
}

.mode-desktop .mode-title {
    color: var(--accent-light);
}

.mode-option:hover .mode-title {
    letter-spacing: 16px;
}

.mode-subtitle {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-tertiary);
    transition: color var(--transition-medium);
}

.mode-option:hover .mode-subtitle {
    color: var(--text-secondary);
}

.mode-hint {
    position: absolute;
    bottom: 60px;
    opacity: 0;
    transition: all var(--transition-medium);
}

.hint-arrow {
    font-size: 24px;
    color: var(--text-tertiary);
}

.mode-option:hover .mode-hint {
    opacity: 1;
    transform: translateY(-10px);
}

.mode-terminal:hover .hint-arrow {
    color: var(--term-green);
}

.mode-desktop:hover .hint-arrow {
    color: var(--accent-light);
}

.mode-divider {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    pointer-events: none;
}

.divider-line {
    width: 1px;
    height: 60%;
    background: linear-gradient(to bottom, transparent, var(--border-color), transparent);
}

/* === Login Screen === */
#login-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.login-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

.login-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(30px);
}

.login-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.login-avatar svg {
    width: 60px;
    height: 60px;
    color: white;
}

.login-name {
    font-size: 24px;
    font-weight: 300;
    color: white;
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.login-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.login-dots {
    display: flex;
    gap: 4px;
}

.login-dots span {
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: dotPulse 1.4s infinite ease-in-out;
}

.login-dots span:nth-child(1) {
    animation-delay: 0s;
}

.login-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.login-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotPulse {

    0%,
    80%,
    100% {
        transform: scale(0.6);
        opacity: 0.4;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* === Disable CRT === */
#crt-overlay,
#matrix-canvas {
    display: none;
}

/* === Desktop Layout === */
#desktop {
    position: relative;
    width: 100%;
    height: 100vh;
    z-index: 10;
    background: var(--desktop-bg, linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%));
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* === Taskbar (Windows 11 Style) === */
#taskbar {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    height: 52px;
    background: rgba(32, 32, 32, 0.85);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    padding: 0 8px;
    gap: 4px;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.start-button {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
    color: var(--text-primary);
}

.start-button:hover {
    background: var(--surface-hover);
}

.start-button.active {
    background: var(--accent-color);
}

.taskbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 4px;
}

.taskbar-spacer {
    flex: 1;
}

#taskbar-apps {
    display: flex;
    align-items: center;
    gap: 2px;
}

.taskbar-item {
    width: 44px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: background var(--transition-fast);
}

.taskbar-item:hover {
    background: var(--surface-hover);
}

.taskbar-item.active {
    background: var(--surface-active);
}

.taskbar-item::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
    opacity: 1;
}

.taskbar-item.active::after {
    width: 16px;
    background: var(--accent-light);
}

.taskbar-item.minimized::after {
    opacity: 0.5;
}

.taskbar-item-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #f5c842 0%, #e6a800 100%);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.6);
}

.system-tray {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 8px;
    border-left: 1px solid var(--border-color);
    margin-left: 4px;
}

.tray-icons {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
}

.tray-icon {
    padding: 4px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.tray-icon:hover {
    background: var(--surface-hover);
}

.clock {
    padding: 4px 8px;
    font-size: 12px;
    color: var(--text-primary);
    text-align: right;
    line-height: 1.3;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.clock:hover {
    background: var(--surface-hover);
}

/* === Start Menu === */
#start-menu {
    position: absolute;
    bottom: 76px;
    left: 50%;
    transform: translateX(-50%);
    width: 560px;
    max-height: 600px;
    background: rgba(32, 32, 32, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

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

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

.start-search {
    width: 100%;
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.start-search:focus {
    border-color: var(--accent-color);
}

.start-search::placeholder {
    color: var(--text-tertiary);
}

.start-menu-pinned {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.start-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.start-apps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
}

.start-app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.start-app-item:hover {
    background: var(--surface-hover);
}

.start-app-icon {
    width: 36px;
    height: 32px;
    margin-bottom: 6px;
    position: relative;
}

/* Folder style for start menu icons */
.start-app-icon::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f5c842 0%, #e6a800 100%);
    border-radius: 0 4px 4px 4px;
}

.start-app-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 14px;
    height: 8px;
    background: linear-gradient(135deg, #f5c842 0%, #e6a800 100%);
    border-radius: 3px 3px 0 0;
}

.start-app-icon span {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 11px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.5);
    padding-top: 6px;
}

/* Settings icon override */
.start-app-item[data-app="settings"] .start-app-icon::before,
.start-app-item[data-app="settings"] .start-app-icon::after {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
}

.start-app-name {
    font-size: 11px;
    color: var(--text-primary);
    text-align: center;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.start-menu-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
}

.start-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.start-user:hover {
    background: var(--surface-hover);
}

.start-user-avatar {
    width: 28px;
    height: 28px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.start-user span {
    font-size: 13px;
    color: var(--text-primary);
}

.start-power button {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.start-power button:hover {
    background: var(--surface-hover);
}

/* === Desktop Icons - Folder Style === */
#icons-container {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 4px;
    padding: 16px;
    height: calc(100vh - 80px);
    width: 100%;
}

.desktop-icon {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    width: 76px;
    text-align: center;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

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

.icon-img {
    width: 48px;
    height: 40px;
    margin: 0 auto 6px auto;
    position: relative;
    transition: transform var(--transition-fast);
}

.desktop-icon:hover .icon-img {
    transform: translateY(-2px);
}

.icon-img::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f5c842 0%, #e6a800 100%);
    border-radius: 0 4px 4px 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.icon-img::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 18px;
    height: 10px;
    background: linear-gradient(135deg, #f5c842 0%, #e6a800 100%);
    border-radius: 4px 4px 0 0;
}

.icon-img span {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 14px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.5);
    padding-top: 8px;
}

.desktop-icon span.text-xs {
    display: block;
    font-size: 11px;
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    word-wrap: break-word;
    line-height: 1.3;
    background: transparent !important;
    padding: 0 !important;
}

/* === Windows (Windows 11 Style) === */
.window {
    position: absolute;
    background: rgba(32, 32, 32, var(--window-opacity));
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    min-width: 300px;
    min-height: 200px;
    resize: both;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.95) translateY(10px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.window.open {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.window.closing {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
}

.window.minimized {
    opacity: 0;
    transform: scale(0.8) translateY(100px);
    pointer-events: none;
}

.window.maximized {
    border-radius: 0;
    resize: none;
}

.window-header {
    background: transparent;
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: grab;
    user-select: none;
    border-bottom: 1px solid var(--border-color);
}

.window-title {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-primary);
}

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

.window-controls span {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: 12px;
    color: var(--text-secondary);
}

.window-controls span:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.window-controls .close:hover {
    background: #c42b1c;
    color: white;
}

.window-content {
    flex-grow: 1;
    padding: 0;
    overflow: auto;
    font-size: 13px;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.2);
}

/* === Settings App Styles === */
.settings-app {
    background: transparent;
}

.settings-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.settings-nav-item:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.settings-nav-item.active {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.settings-content {
    max-width: 500px;
}

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

.setting-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.color-picker-grid,
.background-picker-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.color-option,
.bg-option {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.color-option:hover,
.bg-option:hover {
    transform: scale(1.1);
}

.color-option.active,
.bg-option.active {
    border-color: white;
    box-shadow: 0 0 0 2px var(--accent-color);
}

.settings-slider {
    width: 100%;
    -webkit-appearance: none;
    height: 4px;
    background: var(--bg-light);
    border-radius: 2px;
    outline: none;
}

.settings-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
}

.scale-options {
    display: flex;
    gap: 8px;
}

.scale-btn {
    padding: 8px 16px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 12px;
    transition: all var(--transition-fast);
}

.scale-btn:hover {
    background: var(--surface-hover);
}

.scale-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.settings-select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    cursor: pointer;
}

.settings-select option {
    background: var(--bg-medium);
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    display: inline-block;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.toggle-switch input:checked+.toggle-slider {
    background: var(--accent-color);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(20px);
}

/* === Terminal Mode === */
#terminal-mode {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--term-bg);
    z-index: 100;
    font-family: var(--font-mono);
    color: var(--term-green);
    padding: 20px;
    overflow: auto;
}

#terminal-mode .term-header {
    border-bottom: 1px solid rgba(0, 255, 65, 0.3);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

#terminal-mode .term-output {
    white-space: pre-wrap;
    line-height: 1.6;
}

#terminal-mode .term-input-line {
    display: flex;
    align-items: center;
    margin-top: 16px;
}

#terminal-mode .term-prompt {
    color: var(--term-green);
    margin-right: 8px;
}

#terminal-mode input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--term-green);
    font-family: var(--font-mono);
    font-size: 14px;
    outline: none;
    caret-color: var(--term-green);
}

.hidden {
    display: none !important;
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float 20s infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
}

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

/* === Override Tailwind colors === */
.window-content .text-green-400 {
    color: var(--text-primary) !important;
}

.window-content .bg-green-900 {
    background: var(--accent-color) !important;
}

.window-content .border-green-500 {
    border-color: var(--border-color) !important;
}

.window-content .bg-black\/50,
.window-content .bg-black {
    background: rgba(0, 0, 0, 0.3) !important;
}

.window-content .text-green-300,
.window-content .text-green-200 {
    color: var(--text-secondary) !important;
}

.window-content h1,
.window-content h3 {
    color: var(--accent-light) !important;
}

.window-content .border-l-4 {
    border-color: var(--accent-color) !important;
}

.window-content a {
    color: var(--accent-light);
}

.window-content button:not(.scale-btn):not(#reset-settings):not(.toggle-switch input) {
    background: var(--accent-color) !important;
    color: white !important;
    border: none !important;
    border-radius: var(--radius-md) !important;
}

#terminal-container {
    background: var(--term-bg) !important;
    color: var(--term-green) !important;
    font-family: var(--font-mono) !important;
    border-radius: var(--radius-md);
}

#terminal-container input {
    color: var(--term-green) !important;
}

/* === Boot Animation === */
#boot-animation {
    position: fixed;
    inset: 0;
    z-index: 20000;
    background: #000;
}

#boot-animation.hidden {
    display: none;
}

.boot-screen {
    position: relative;
    width: 100%;
    height: 100%;
    background: #000;
    overflow: hidden;
}

/* Static Noise Canvas */
#boot-static-canvas {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.boot-screen.powering-on #boot-static-canvas {
    opacity: 1;
}

.boot-screen.screen-on #boot-static-canvas {
    opacity: 0.1;
}

/* CRT Scanlines */
.boot-scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(0deg,
            rgba(0, 0, 0, 0.2) 0px,
            rgba(0, 0, 0, 0.2) 1px,
            transparent 1px,
            transparent 2px);
    pointer-events: none;
    z-index: 10;
}

/* Phosphor Glow */
.boot-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(0, 255, 65, 0) 0%, rgba(0, 255, 65, 0) 100%);
    opacity: 0;
    transition: all 0.5s ease;
    pointer-events: none;
}

.boot-glow.active {
    background: radial-gradient(ellipse at center, rgba(0, 255, 65, 0.15) 0%, rgba(0, 255, 65, 0) 70%);
    opacity: 1;
}

/* Vignette Effect */
.boot-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 50%, rgba(0, 0, 0, 0.8) 100%);
    pointer-events: none;
    z-index: 5;
}

/* CRT Line (horizontal expansion) */
.boot-crt-line {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 2px;
    background: rgba(0, 255, 65, 0.8);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.8), 0 0 40px rgba(0, 255, 65, 0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 15;
}

.boot-crt-line.active {
    width: 80%;
}

.boot-crt-line.expanded {
    width: 100%;
    height: 100%;
    background: transparent;
    box-shadow: none;
}

/* Boot Content */
.boot-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 20;
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.boot-content.visible {
    opacity: 1;
    transform: scale(1);
}

.boot-text-container {
    text-align: center;
    margin-bottom: 60px;
}

.boot-welcome {
    font-family: var(--font-mono);
    font-size: 14px;
    color: rgba(0, 255, 65, 0.6);
    letter-spacing: 8px;
    margin-bottom: 16px;
    animation: flicker 0.15s infinite;
}

.boot-title {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.boot-name {
    font-family: var(--font-mono);
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.5), 0 0 40px rgba(0, 255, 65, 0.3);
    letter-spacing: 4px;
    animation: textGlow 2s ease-in-out infinite;
}

.boot-subtitle {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 300;
    color: var(--term-green);
    letter-spacing: 16px;
    opacity: 0.8;
}

.boot-version {
    font-family: var(--font-mono);
    font-size: 12px;
    color: rgba(0, 255, 65, 0.5);
    margin-top: 24px;
    letter-spacing: 4px;
}

@keyframes textGlow {

    0%,
    100% {
        text-shadow: 0 0 20px rgba(0, 255, 65, 0.5), 0 0 40px rgba(0, 255, 65, 0.3);
    }

    50% {
        text-shadow: 0 0 30px rgba(0, 255, 65, 0.8), 0 0 60px rgba(0, 255, 65, 0.5);
    }
}

@keyframes flicker {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 0.8;
    }
}

/* Boot Prompt */
.boot-prompt {
    position: absolute;
    bottom: 100px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--term-green);
    display: flex;
    align-items: center;
    gap: 8px;
}

.boot-cursor {
    animation: blink 0.8s step-end infinite;
}

.boot-prompt-text {
    letter-spacing: 2px;
}

/* Power Button Prompt */
.boot-power-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 25;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.boot-power-btn.visible {
    opacity: 1;
}

.boot-power-btn.hidden {
    display: none;
}

.boot-power-btn span {
    font-family: var(--font-mono);
    font-size: 16px;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 4px;
    padding: 20px 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    animation: pulse-border 2s ease-in-out infinite;
}

.boot-power-btn:hover span {
    color: var(--term-green);
    border-color: var(--term-green);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.3);
}

@keyframes pulse-border {

    0%,
    100% {
        border-color: rgba(255, 255, 255, 0.2);
    }

    50% {
        border-color: rgba(255, 255, 255, 0.4);
    }
}

/* Fade Out */
.boot-screen.fade-out {
    animation: screenOff 0.6s ease forwards;
}

@keyframes screenOff {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1, 0.01);
    }

    100% {
        opacity: 0;
        transform: scale(0, 0);
    }
}

/* === Calculator App === */
.calculator-app {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: rgba(32, 32, 32, 0.95);
}

.calc-display {
    padding: 24px 20px;
    text-align: right;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.calc-history {
    font-size: 14px;
    color: var(--text-tertiary);
    min-height: 20px;
    margin-bottom: 8px;
}

.calc-result {
    font-size: 42px;
    font-weight: 300;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
}

.calc-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    padding: 8px;
    flex: 1;
}

.calc-btn {
    font-size: 20px;
    font-weight: 400;
    border: none;
    background: rgba(59, 59, 59, 0.8);
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.calc-btn:hover {
    background: rgba(80, 80, 80, 0.9);
}

.calc-btn:active {
    background: rgba(100, 100, 100, 0.9);
}

.calc-btn.func {
    background: rgba(50, 50, 50, 0.8);
}

.calc-btn.op {
    background: rgba(50, 50, 50, 0.8);
}

.calc-btn.equals {
    background: var(--accent-color);
}

.calc-btn.equals:hover {
    background: var(--accent-light);
}

.calc-btn.zero {
    grid-column: span 2;
}

/* === Notes App === */
.notes-app {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: rgba(32, 32, 32, 0.95);
}

.notes-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.notes-toolbar button {
    background: transparent;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.notes-toolbar button:hover {
    background: var(--surface-hover);
}

.notes-status {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-tertiary);
}

.notes-textarea {
    flex: 1;
    padding: 16px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 14px;
    line-height: 1.6;
    resize: none;
    outline: none;
}

.notes-textarea::placeholder {
    color: var(--text-tertiary);
}

/* === Folder Window === */
.folder-window {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: rgba(32, 32, 32, 0.95);
}

.folder-toolbar {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.folder-path {
    font-size: 14px;
    color: var(--text-secondary);
}

.folder-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 16px;
    padding: 20px;
    flex: 1;
    overflow-y: auto;
}

.folder-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.folder-item:hover {
    background: var(--surface-hover);
}

.folder-item-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.folder-item span {
    font-size: 12px;
    color: var(--text-primary);
    text-align: center;
}

/* Desktop Folder Icon (Cool Stuff) */
.desktop-icon.folder-special .icon-img {
    background: linear-gradient(135deg, #9333ea 0%, #7c3aed 100%) !important;
    position: relative;
}

.desktop-icon.folder-special .icon-img::before {
    content: '⭐';
    position: absolute;
    font-size: 10px;
    bottom: -2px;
    right: -2px;
}

/* === Mobile Responsiveness === */
@media (max-width: 768px) {
    #start-menu {
        width: 90%;
        bottom: 80px;
        left: 50%;
        transform: translateX(-50%);
        max-height: 70vh;
    }

    .start-apps-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    #taskbar {
        width: 95%;
        padding: 0 4px;
    }

    .taskbar-item {
        width: 36px;
    }

    .taskbar-item-icon {
        width: 20px;
        height: 20px;
    }

    .system-tray {
        gap: 4px;
    }

    .clock {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .start-apps-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .mode-title {
        font-size: 32px;
        letter-spacing: 6px;
    }

    .mode-option:hover .mode-title {
        letter-spacing: 8px;
    }
}

/* === Neural Uplink Filters === */
.filter-noir #input-video {
    filter: grayscale(100%) contrast(120%) brightness(90%);
}


/* === Logout Modal === */
#logout-modal.hidden {
    display: none;
}

/* === Start Menu SVG Icons === */
.start-app-icon-svg {
    width: 36px;
    height: 32px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.start-app-item:hover .start-app-icon-svg {
    color: var(--accent-light);
}