/*
 * Windows 98 Style Website Template
 * Based on the original Windows template from HTML5-Templates.com
 * Original: https://html5-templates.com/preview/windows.html
 */

/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=MS+Sans+Serif:wght@400;700&display=swap');

/* ===== CSS CUSTOM PROPERTIES (THEMES) ===== */
:root {
    /* Default Windows 98 Theme */
    --desktop-bg: #008080;
    --window-bg: #c0c0c0;
    --window-border-light: #dfdfdf;
    --window-border-dark: #808080;
    --window-border-darker: #404040;
    --active-titlebar-start: #000080;
    --active-titlebar-end: #0040c0;
    --inactive-titlebar-start: #808080;
    --inactive-titlebar-end: #a0a0a0;
    --taskbar-bg: #c0c0c0;
    --button-bg: #c0c0c0;
    --button-hover: #e0e0e0;
    --button-active: #a0a0a0;
    --text-color: #000000;
    --white: #ffffff;
    --selection-bg: rgba(0, 0, 128, 0.3);
    --selection-border: white;
}

/* Pastel Pink Theme */
:root[data-theme="pink"] {
    --desktop-bg: #f8bbd9;
    --window-bg: #fdf2f8;
    --window-border-light: #ffffff;
    --window-border-dark: #ec4899;
    --window-border-darker: #be185d;
    --active-titlebar-start: #ec4899;
    --active-titlebar-end: #be185d;
    --inactive-titlebar-start: #d1d5db;
    --inactive-titlebar-end: #9ca3af;
    --taskbar-bg: #fdf2f8;
    --button-bg: #fdf2f8;
    --button-hover: #fce7f3;
    --button-active: #f3e8ff;
    --text-color: #000000;
    --white: #ffffff;
    --selection-bg: rgba(236, 72, 153, 0.3);
    --selection-border: white;
}

/* Cyberpunk Theme - Enhanced Effects */
:root[data-theme="cyberpunk"] {
    --desktop-bg: linear-gradient(135deg, #0a0a0a 0%, #1a0033 50%, #000a1a 100%);
    --window-bg: #0d1117;
    --window-border-light: #30363d;
    --window-border-dark: #21262d;
    --window-border-darker: #161b22;
    --active-titlebar-start: #ff00ff;
    --active-titlebar-end: #00ffff;
    --inactive-titlebar-start: #30363d;
    --inactive-titlebar-end: #21262d;
    --taskbar-bg: #161b22;
    --button-bg: #21262d;
    --button-hover: #30363d;
    --button-active: #484f58;
    --text-color: #00ffff;
    --white: #ffffff;
    --selection-bg: rgba(255, 0, 255, 0.3);
    --selection-border: #ff00ff;
}

/* Cyberpunk glow effects */
:root[data-theme="cyberpunk"] .window-header {
    box-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.8);
}

:root[data-theme="cyberpunk"] .window {
    box-shadow: 
        2px 2px 0px rgba(0,0,0,0.5),
        0 0 20px rgba(255, 0, 255, 0.3),
        inset 0 0 0 1px rgba(0, 255, 255, 0.2);
}

:root[data-theme="cyberpunk"] .taskbar {
    box-shadow: 
        0 -2px 10px rgba(255, 0, 255, 0.3),
        inset 0 0 0 1px rgba(0, 255, 255, 0.2);
}

:root[data-theme="cyberpunk"] .start-button:hover,
:root[data-theme="cyberpunk"] .taskbar-item:hover {
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.6);
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.8);
}

:root[data-theme="cyberpunk"] .icon:hover {
    text-shadow: 0 0 8px rgba(255, 0, 255, 1);
    transform: scale(1.05);
    transition: all 0.2s ease;
}

:root[data-theme="cyberpunk"] .icon-text {
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.8);
}

:root[data-theme="cyberpunk"] input[type="text"],
:root[data-theme="cyberpunk"] input[type="email"],
:root[data-theme="cyberpunk"] textarea {
    background: #0d1117;
    border: 1px solid #30363d;
    color: #00ffff;
    box-shadow: inset 0 0 5px rgba(0, 255, 255, 0.2);
}

:root[data-theme="cyberpunk"] button:hover {
    box-shadow: 0 0 8px rgba(255, 0, 255, 0.6);
    text-shadow: 0 0 3px rgba(0, 255, 255, 0.8);
}

/* Lilac Theme */
:root[data-theme="lilac"] {
    --desktop-bg: #c8b2db;
    --window-bg: #e6e6fa;
    --window-border-light: #f0f0ff;
    --window-border-dark: #9370db;
    --window-border-darker: #663399;
    --active-titlebar-start: #9370db;
    --active-titlebar-end: #663399;
    --inactive-titlebar-start: #b8b8b8;
    --inactive-titlebar-end: #909090;
    --taskbar-bg: #e6e6fa;
    --button-bg: #e6e6fa;
    --button-hover: #f0f0ff;
    --button-active: #d8bfd8;
    --text-color: #000000;
    --white: #ffffff;
    --selection-bg: rgba(147, 112, 219, 0.3);
    --selection-border: white;
}

/* Green Theme */
:root[data-theme="green"] {
    --desktop-bg: #228b22;
    --window-bg: #f0fff0;
    --window-border-light: #ffffff;
    --window-border-dark: #006400;
    --window-border-darker: #004000;
    --active-titlebar-start: #008000;
    --active-titlebar-end: #004000;
    --inactive-titlebar-start: #808080;
    --inactive-titlebar-end: #606060;
    --taskbar-bg: #f0fff0;
    --button-bg: #f0fff0;
    --button-hover: #f8fff8;
    --button-active: #e0ffe0;
    --text-color: #000000;
    --white: #ffffff;
    --selection-bg: rgba(0, 128, 0, 0.3);
    --selection-border: white;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: inherit;
}

body {
    font-family: 'MS Sans Serif', sans-serif;
    font-size: 11px;
    overflow: hidden;
    height: 100vh;
    cursor: default;
    color: var(--text-color);
}

/* ===== DESKTOP BACKGROUND ===== */
#desktop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--desktop-bg);
    overflow: hidden;
}

/* ===== DESKTOP ICONS ===== */
.desktop-icons {
    position: absolute;
    top: 10px;
    left: 10px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    z-index: 100;
}

.icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 70px;
    cursor: pointer;
    padding: 4px;
    border-radius: 0;
    transition: background-color 0.1s;
}

.icon:hover {
    background-color: var(--selection-bg);
    outline: 1px dotted var(--selection-border);
}

.icon.selected {
    background-color: var(--selection-bg);
    outline: 1px dotted var(--selection-border);
}

.icon-image {
    width: 32px;
    height: 32px;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--button-bg);
    border: 1px outset var(--button-bg);
    font-size: 16px;
    color: var(--text-color);
}

.icon-text {
    color: white;
    font-size: 11px;
    text-align: center;
    text-shadow: 1px 1px 0px #000;
    word-wrap: break-word;
    max-width: 70px;
    line-height: 1.2;
}

/* ===== WINDOWS ===== */
.window {
    position: absolute;
    background: var(--window-bg);
    border: 2px outset var(--window-bg);
    min-width: 250px;
    min-height: 150px;
    z-index: 1000;
    display: none;
    box-shadow: 2px 2px 0px rgba(0,0,0,0.5);
    resize: both;
    overflow: hidden;
}

/* ===== RESIZE HANDLE ===== */
.window::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 16px;
    height: 16px;
    background: var(--window-bg);
    border-left: 1px solid var(--window-border-dark);
    border-top: 1px solid var(--window-border-dark);
    cursor: se-resize;
    background-image: 
        linear-gradient(45deg, transparent 30%, var(--window-border-dark) 30%, var(--window-border-dark) 35%, transparent 35%),
        linear-gradient(45deg, transparent 60%, var(--window-border-dark) 60%, var(--window-border-dark) 65%, transparent 65%);
    background-size: 4px 4px;
    background-position: 0 0, 2px 2px;
    z-index: 10;
}

.window.active {
    z-index: 1001;
}

.window.visible {
    display: block;
}

.window-header {
    background: linear-gradient(90deg, var(--active-titlebar-start) 0%, var(--active-titlebar-end) 100%);
    color: var(--white);
    padding: 2px;
    cursor: move;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 18px;
    font-size: 11px;
    font-weight: bold;
}

.window.inactive .window-header {
    background: linear-gradient(90deg, var(--inactive-titlebar-start) 0%, var(--inactive-titlebar-end) 100%);
    color: var(--window-border-light);
}

.window-title {
    font-weight: bold;
    font-size: 11px;
    padding-left: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.window-controls {
    display: flex;
    gap: 0;
}

.window-button {
    width: 16px;
    height: 14px;
    background: var(--button-bg);
    border: 1px outset var(--button-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: bold;
    text-decoration: none;
    color: var(--text-color);
    font-family: 'MS Sans Serif', sans-serif;
}

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

.window-button:active {
    border: 1px inset var(--button-bg);
}

.close-btn:hover {
    background: #ff0000 !important;
    color: var(--white) !important;
}

.window-content {
    padding: 8px;
    background: var(--window-bg);
    border: 1px inset var(--window-bg);
    margin: 1px;
    height: calc(100% - 24px);
    overflow-y: auto;
    font-size: 11px;
    color: var(--text-color);
}

/* ===== TASKBAR ===== */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 28px;
    background: var(--taskbar-bg);
    border-top: 1px solid var(--window-border-light);
    border-bottom: 1px solid var(--window-border-dark);
    display: flex;
    align-items: center;
    z-index: 9999;
    font-size: 11px;
}

.start-button {
    padding: 2px 8px;
    background: var(--button-bg);
    border: 1px outset var(--button-bg);
    cursor: pointer;
    font-weight: bold;
    margin: 2px;
    height: 22px;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-color);
}

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

.start-button.active {
    border: 1px inset var(--button-bg);
    background: var(--button-active);
}

.start-button i {
    font-size: 12px;
    color: var(--text-color);
}

.taskbar-items {
    flex: 1;
    display: flex;
    gap: 2px;
    margin-left: 4px;
}

.taskbar-item {
    padding: 2px 8px;
    background: var(--button-bg);
    border: 1px outset var(--button-bg);
    cursor: pointer;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    height: 22px;
    display: flex;
    align-items: center;
    font-size: 11px;
    color: var(--text-color);
}

.taskbar-item.active {
    border: 1px inset var(--button-bg);
    background: var(--button-active);
}

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

.clock {
    padding: 2px 8px;
    border: 1px inset var(--button-bg);
    margin: 2px;
    font-family: 'MS Sans Serif', sans-serif;
    font-size: 11px;
    height: 22px;
    display: flex;
    align-items: center;
    min-width: 60px;
    justify-content: center;
    color: var(--text-color);
}

/* ===== START MENU ===== */
.start-menu {
    position: fixed;
    bottom: 28px;
    left: 0;
    width: 200px;
    background: var(--window-bg);
    border: 2px outset var(--window-bg);
    display: none;
    z-index: 10000;
    box-shadow: 2px 2px 0px rgba(0,0,0,0.5);
}

.start-menu.visible {
    display: block;
}

.start-menu-header {
    background: linear-gradient(90deg, var(--active-titlebar-start) 0%, var(--active-titlebar-end) 100%);
    color: var(--white);
    padding: 4px 8px;
    font-weight: bold;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.start-menu-items {
    padding: 2px 0;
}

.start-menu-item {
    padding: 4px 32px 4px 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    position: relative;
    color: var(--text-color);
}

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

.start-menu-separator {
    height: 1px;
    background: var(--window-border-dark);
    margin: 2px 4px;
    border-top: 1px solid var(--window-border-light);
}

.start-menu-item i {
    width: 16px;
    text-align: center;
    font-size: 14px;
}

/* ===== DIALOG BOXES ===== */
.dialog-button {
    background: var(--button-bg);
    border: 1px outset var(--button-bg);
    padding: 4px 16px;
    cursor: pointer;
    font-size: 11px;
    font-family: 'MS Sans Serif', sans-serif;
    margin: 4px;
    color: var(--text-color);
}

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

.dialog-button:active {
    border: 1px inset var(--button-bg);
}

/* ===== SCROLLBARS ===== */
::-webkit-scrollbar {
    width: 16px;
}

::-webkit-scrollbar-track {
    background: var(--window-bg);
    border: 1px inset var(--window-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--window-bg);
    border: 1px outset var(--window-bg);
}

::-webkit-scrollbar-button {
    background: var(--window-bg);
    border: 1px outset var(--window-bg);
    height: 16px;
}

::-webkit-scrollbar-button:hover {
    background: var(--button-hover);
}

/* ===== FORM ELEMENTS ===== */
input[type="text"], input[type="email"], textarea {
    border: 1px inset var(--window-bg);
    padding: 2px 4px;
    font-family: 'MS Sans Serif', sans-serif;
    font-size: 11px;
    background: var(--white);
    color: var(--text-color);
}

button, input[type="button"], input[type="submit"] {
    background: var(--button-bg);
    border: 1px outset var(--button-bg);
    padding: 4px 12px;
    cursor: pointer;
    font-size: 11px;
    font-family: 'MS Sans Serif', sans-serif;
    color: var(--text-color);
}

button:hover, input[type="button"]:hover, input[type="submit"]:hover {
    background: var(--button-hover);
}

button:active, input[type="button"]:active, input[type="submit"]:active {
    border: 1px inset var(--button-bg);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet styles (768px - 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
    .desktop-icons {
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
        top: 8px;
        left: 8px;
    }

    .icon {
        width: 60px;
    }

    .icon-image {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }

    .window {
        min-width: 300px;
    }

    .start-menu {
        width: 220px;
    }

    .taskbar {
        height: 32px;
    }

    .start-button {
        height: 26px;
        font-size: 12px;
    }

    .taskbar-item {
        height: 26px;
        font-size: 12px;
    }

    .clock {
        height: 26px;
        font-size: 12px;
    }
}

/* Mobile styles (up to 768px) */
@media (max-width: 768px) {
    /* Increase base font size for better readability */
    body {
        font-size: 14px;
    }

    /* Desktop icons - grid layout for mobile */
    .desktop-icons {
        grid-template-columns: repeat(4, 1fr);
        top: 10px;
        left: 10px;
        right: 10px;
        gap: 15px;
        justify-items: center;
    }

    .icon {
        width: 70px;
        padding: 8px;
    }

    .icon-image {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .icon-text {
        font-size: 12px;
        max-width: 70px;
    }

    /* Mobile-optimized windows */
    .window {
        min-width: 280px;
        width: 95vw !important;
        height: 85vh !important;
        top: 5vh !important;
        left: 2.5vw !important;
        resize: none; /* Keep disabled on mobile for better UX */
    }

    .window.maximized {
        width: 100vw !important;
        height: calc(100vh - 50px) !important;
        top: 0 !important;
        left: 0 !important;
    }

    /* Larger window controls for touch */
    .window-header {
        height: 36px;
        padding: 4px;
    }

    .window-title {
        font-size: 14px;
        font-weight: bold;
    }

    .window-button {
        width: 32px;
        height: 28px;
        font-size: 16px;
        font-weight: bold;
    }

    .window-content {
        font-size: 14px;
        padding: 12px;
    }

    /* Enhanced taskbar for mobile */
    .taskbar {
        height: 50px;
        padding: 8px;
    }

    .start-button {
        height: 36px;
        padding: 4px 12px;
        font-size: 14px;
        margin: 2px;
    }

    .start-button i {
        font-size: 16px;
    }

    .taskbar-item {
        height: 36px;
        padding: 4px 12px;
        font-size: 12px;
        max-width: 120px;
    }

    .clock {
        height: 36px;
        padding: 4px 12px;
        font-size: 14px;
        min-width: 80px;
    }

    /* Mobile start menu */
    .start-menu {
        width: 250px;
        bottom: 50px;
    }

    .start-menu-header {
        padding: 8px 12px;
        font-size: 14px;
    }

    .start-menu-item {
        padding: 12px 16px;
        font-size: 14px;
        min-height: 44px; /* Touch target minimum */
    }

    .start-menu-item i {
        font-size: 16px;
        width: 20px;
    }

    /* Form elements for touch */
    input[type="text"], 
    input[type="email"], 
    textarea {
        padding: 8px;
        font-size: 14px;
        min-height: 44px;
        border: 2px inset var(--window-bg);
    }

    button, 
    input[type="button"], 
    input[type="submit"] {
        padding: 12px 16px;
        font-size: 14px;
        min-height: 44px;
        min-width: 44px;
    }

    /* Calculator adjustments for mobile */
    #calculator-window .window-content {
        padding: 8px;
    }

    #calc-display {
        font-size: 18px;
        height: 44px;
        margin-bottom: 8px;
    }

    #calculator-window button {
        height: 44px;
        font-size: 16px;
        font-weight: bold;
    }

    /* Notepad mobile optimization */
    #notepad-text {
        font-size: 14px;
        padding: 8px;
        line-height: 1.4;
    }

    /* Themes window mobile layout */
    #themes-window input[type="radio"] {
        width: 20px;
        height: 20px;
        margin-right: 8px;
    }

    #themes-window label {
        font-size: 14px;
        line-height: 1.5;
        cursor: pointer;
        display: flex;
        align-items: center;
        min-height: 44px;
    }

    /* Remove resize handle on mobile */
    .window::after {
        display: none;
    }

    /* Disable text selection on UI elements for better touch */
    .window-header,
    .taskbar,
    .start-menu,
    .icon {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
        -webkit-touch-callout: none;
    }

    /* Improve scrolling on mobile */
    .window-content {
        -webkit-overflow-scrolling: touch;
        overflow-scrolling: touch;
    }
}

/* Small mobile styles (up to 480px) */
@media (max-width: 480px) {
    /* Even more compact layout for small phones */
    .desktop-icons {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        top: 8px;
        left: 8px;
        right: 8px;
    }

    .icon {
        width: 80px;
    }

    .icon-text {
        font-size: 11px;
        line-height: 1.2;
    }

    .window {
        width: 98vw !important;
        height: 90vh !important;
        top: 2vh !important;
        left: 1vw !important;
    }

    .start-menu {
        width: 200px;
    }

    .taskbar-item {
        max-width: 80px;
        padding: 4px 8px;
    }

    /* Hide window titles on very small screens to save space */
    .window-title {
        display: none;
    }

    /* Stack calculator buttons more compactly */
    #calculator-window {
        width: 95vw !important;
        height: 400px !important;
    }

    /* Make notepad more usable on small screens */
    #notepad-text {
        font-size: 13px;
    }
}

/* Landscape orientation adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .desktop-icons {
        grid-template-columns: repeat(6, 1fr);
        gap: 8px;
    }

    .icon {
        width: 60px;
    }

    .icon-image {
        width: 30px;
        height: 30px;
    }

    .window {
        height: 80vh !important;
        top: 10vh !important;
    }

    .taskbar {
        height: 44px;
    }

    .start-button,
    .taskbar-item,
    .clock {
        height: 32px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .icon-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Accessibility improvements for mobile */
@media (max-width: 768px) {
    /* Ensure sufficient color contrast */
    .window-button:focus,
    .start-menu-item:focus,
    .taskbar-item:focus {
        outline: 2px solid var(--active-titlebar-start);
        outline-offset: 2px;
    }

    /* Improve touch target sizes for accessibility */
    .icon {
        min-height: 44px;
        min-width: 44px;
    }

    /* Better spacing for readability */
    .window-content h3,
    .window-content h4 {
        margin-bottom: 8px;
        line-height: 1.3;
    }

    .window-content p {
        margin-bottom: 12px;
        line-height: 1.4;
    }
}

/* ===== UTILITY CLASSES ===== */
.hidden {
    display: none !important;
}

.center {
    text-align: center;
}

.bold {
    font-weight: bold;
}

/* ===== RETRO EFFECTS ===== */
.crt-effect {
    position: relative;
}

.crt-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0,0,0,0.03) 2px,
        rgba(0,0,0,0.03) 4px
    );
    pointer-events: none;
}