/* GoatMinify.css */

/*==========================================================================
1. CSS Custom Properties (Variables)
==========================================================================*/
:root {
    /* 1.1. Background Colors */
    --color-bg-page-primary: #111;
    --color-bg-editor-area: var(--color-bg-quaternary);
    --color-bg-tertiary: #1a1a1a;
    --color-bg-quaternary: #222;

    /* 1.2. Text Colors */
    --color-text-primary: #ddd;
    --color-text-secondary: #aaa;
    --color-text-tertiary: #ccc;
    --color-text-highlight: #ffa500;
    --color-text-heading-h1: hsl(39, 70%, 35%);

    /* 1.3. Border Colors */
    --border-color-primary: #555;
    --border-color-secondary: #3c3c3c;
    --border-color-focus: #ffa500;

    /* 1.4. Font Properties */
    --font-family-monospace: "Source Code Pro", Consolas, "Courier New", Courier, monospace;
    --font-line-height-textarea: 1.4; /* As per your provided CSS */
    --font-size-textarea: 14px;

    /* 1.5. Layout & Sizing */
    --height-level-selector-track: 50vh;
    --height-level-selector-track-max: 280px;
    --width-level-selector-track: 42px;
    --size-icon: 24px;
    --size-icon-button: 40px;
    --width-gutter: 40px;
    --height-header: 50px;
    --size-header-logo: 32px;

    /* 1.6. Spacing */
    --spacing-padding-editor-vertical: 15px;
    --spacing-padding-editor-horizontal: 15px;
    --spacing-header-padding-horizontal: 15px;

    /* 1.7. Level Selector Button Colors */
    --color-bg-level-button-level1-active: hsl(39, 100%, 70%);
    --color-bg-level-button-level2-active: hsl(39, 100%, 60%);
    --color-bg-level-button-level3-active: hsl(39, 100%, 50%);
    --color-bg-level-button-level4-active: hsl(39, 100%, 40%);
    --color-bg-level-button-inactive: #4a4a4a;
    --color-text-level-button-active: #111;
    --color-text-level-button-inactive: #888;
    --color-bg-level-button-empty: #666;
    --color-bg-level-button-empty-selected: #555;
    --border-color-level-button-selected: white;
    --border-color-level-button-empty-selected: #333;

    /* 1.8. Generic Icon Button Colors & States */
    --color-bg-icon-button: #4f4f4f;
    --color-icon-button-foreground: #f0f0f0;
    --color-bg-icon-button-hover: #666;
    --color-bg-icon-button-active: #777;
    --color-bg-icon-button-disabled: #404040;
    --color-icon-button-foreground-disabled: #777;

    /* 1.9. Specific Icon Button Colors */
    /* Copy Button */
    --color-bg-button-copy: #ffa500;
    --color-icon-button-copy-foreground: #282828;
    --color-bg-button-copy-hover: #cc8400;
    /* Download Button */
    --color-bg-button-download: #4caf50;
    --color-icon-button-download-foreground: #ffffff;
    --color-bg-button-download-hover: #45a049;
    /* Clear Button */
    --color-bg-button-clear: hsl(0, 40%, 40%);
    --color-bg-button-clear-hover: hsl(0, 50%, 50%);
    /* Upload Button */
    --color-bg-button-upload: #3f51b5;
    --color-icon-button-upload-foreground: #ffffff;
    --color-bg-button-upload-hover: #3949ab;
    /* Word Wrap Button (Active State) */
    --color-bg-button-wordwrap-active: #6a0dad;
    --shadow-button-wordwrap-active: 0 0 10px #c37cfc;
    --color-icon-button-wordwrap-foreground-active: #f0f0f0;

    /* 1.10. Gutter (derived for consistency, can be overridden in themes) */
    --color-bg-gutter: var(--color-bg-tertiary);
    --color-text-gutter: var(--color-text-secondary);

    /* 1.12 Manual Type Selector */
    --color-bg-select: var(--color-bg-quaternary);
    --color-text-select: var(--color-text-primary);
    --border-color-select: var(--border-color-primary);
    --color-bg-select-hover: var(--color-bg-icon-button-hover);
}

/* 1.11. Light Theme Overrides */
@media (prefers-color-scheme: light) {
    :root {
        /* Background Colors */
        --color-bg-page-primary: #f4f4f4;
        --color-bg-editor-area: var(--color-bg-quaternary);
        --color-bg-tertiary: #e9e9e9;
        --color-bg-quaternary: #f8f8f8;
        /* Text Colors */
        --color-text-primary: #333;
        --color-text-secondary: #999;
        --color-text-tertiary: #777;
        --color-text-highlight: #d98c00;
        --color-text-heading-h1: hsl(39, 70%, 25%);
        /* Border Colors */
        --border-color-primary: #ccc;
        --border-color-secondary: #ddd;
        --border-color-focus: #d98c00;
        /* Level Selector Button Colors */
        --color-bg-level-button-level1-active: hsl(39, 100%, 80%);
        --color-bg-level-button-level2-active: hsl(39, 100%, 70%);
        --color-bg-level-button-level3-active: hsl(39, 100%, 60%);
        --color-bg-level-button-level4-active: hsl(39, 100%, 50%);
        --color-bg-level-button-inactive: #d0d0d0;
        --color-text-level-button-active: #333;
        --color-text-level-button-inactive: #777;
        --color-bg-level-button-empty: #ccc;
        --color-bg-level-button-empty-selected: #b0b0b0;
        --border-color-level-button-selected: #333;
        --border-color-level-button-empty-selected: #777;
        /* Generic Icon Button Colors & States */
        --color-bg-icon-button: #e0e0e0;
        --color-icon-button-foreground: #333;
        --color-bg-icon-button-hover: #d0d0d0;
        --color-bg-icon-button-active: #c0c0c0;
        --color-bg-icon-button-disabled: #e9e9e9;
        --color-icon-button-foreground-disabled: #aaa;
        /* Specific Icon Button Colors */
        --color-bg-button-copy: #d98c00;
        --color-icon-button-copy-foreground: #ffffff;
        --color-bg-button-copy-hover: #b87300;
        --color-bg-button-download: #66bb6a;
        --color-bg-button-download-hover: #5cb860;
        --color-bg-button-clear: hsl(0, 55%, 65%);
        --color-bg-button-clear-hover: hsl(0, 65%, 75%);
        --color-bg-button-upload: #5c6bc0;
        --color-bg-button-upload-hover: #5361b8;
        --color-bg-button-wordwrap-active: #9370db;
        --shadow-button-wordwrap-active: 0 0 10px #c0a0f0;
        --color-icon-button-wordwrap-foreground-active: #111;
        /* Gutter */
        --color-bg-gutter: var(--color-bg-tertiary);
        --color-text-gutter: var(--color-text-secondary);
        /* Manual Type Selector Light Theme */
        --color-bg-select: var(--color-bg-quaternary);
        --color-text-select: var(--color-text-primary);
        --border-color-select: var(--border-color-primary);
        --color-bg-select-hover: var(--color-bg-icon-button-hover);
    }
}

/*==========================================================================
  2. Global Styles & Resets
==========================================================================*/
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    height: 100vh;
    margin: 0;
    overflow: hidden;
    background-color: var(--color-bg-page-primary);
    color: var(--color-text-primary);
    font-family: Arial, sans-serif;
    font-size: 16px; /* As per your provided CSS */
    display: flex;
    flex-direction: column;
}
select {
    font-size: 1em;
}

/*==========================================================================
  3. Page Layout Elements
==========================================================================*/
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--border-color-secondary);
    padding: 0 var(--spacing-header-padding-horizontal);
    height: var(--height-header);
    flex-shrink: 0;
}

.header-logo {
    height: var(--size-header-logo);
    width: var(--size-header-logo);
    margin-right: 15px;
    flex-shrink: 0;
}

.header-type-info {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.9em; /* Relative to body font-size */
    color: var(--color-text-secondary);
    flex-grow: 1;
    justify-content: center;
    min-width: 0;
}

h1 {
    color: var(--color-text-heading-h1);
    font-family: var(--font-family-monospace);
    font-size: 1.8em; /* Relative to body font-size */
    letter-spacing: 0.5em;
    margin: 0;
    text-align: right;
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
}

#type-display-output .detected-type-value {
    font-weight: bold;
    color: var(--color-text-highlight);
}

.manual-type-control {
    display: flex;
    align-items: center;
}

.manual-type-control label {
    margin-right: 5px;
    /* font-size: 0.9em; */ /* Already handled by .header-type-info */
    color: var(--color-text-tertiary);
}

#manual-type-selector {
    background-color: var(--color-bg-select);
    color: var(--color-text-select);
    border: 1px solid var(--border-color-select);
    border-radius: 4px;
    padding: 3px 5px;
    /* font-size: 0.9em; */ /* Inherits from select global or parent .header-type-info */
    outline: none;
    cursor: pointer;
}
#manual-type-selector:hover {
    background-color: var(--color-bg-select-hover);
}
#manual-type-selector:focus {
    border-color: var(--border-color-focus);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--border-color-focus) 30%, transparent);
}

.editor-container {
    flex-grow: 1;
    display: flex;
    width: 100%;
    padding: 10px;
    gap: 10px;
    min-height: 0;
}

/*==========================================================================
  4. Editor Components
==========================================================================*/

/* 4.1. Textarea Wrapper (Input/Output) */
.textarea-wrapper {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* 4.2. Editor Area (Gutter, Highlight, Textarea container) */
.editor-area {
    flex-grow: 1;
    display: flex;
    position: relative;
    border: 1px solid var(--border-color-primary);
    border-radius: 5px 5px 0 0;
    overflow: hidden;
    background-color: var(--color-bg-editor-area);
}

.editor-area:focus-within {
    border-color: var(--border-color-focus);
}

/* 4.3. Line Number Gutter */
.line-number-gutter {
    width: var(--width-gutter);
    background-color: var(--color-bg-gutter);
    color: var(--color-text-gutter);
    font-family: var(--font-family-monospace);
    font-size: var(--font-size-textarea);
    line-height: var(--font-line-height-textarea);
    padding: var(--spacing-padding-editor-vertical) 5px var(--spacing-padding-editor-vertical) 0;
    text-align: right;
    user-select: none;
    overflow: hidden;
    white-space: pre;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color-primary);
}

/* 4.4. Highlight Layer (for syntax highlighting) */
.editor-area pre.hljs-highlight-layer {
    position: absolute;
    top: 0;
    left: var(--width-gutter);
    width: calc(100% - var(--width-gutter));
    height: 100%;
    margin: 0;
    padding: var(--spacing-padding-editor-vertical) var(--spacing-padding-editor-horizontal);
    font-family: var(--font-family-monospace);
    font-size: var(--font-size-textarea);
    line-height: var(--font-line-height-textarea);
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
    box-sizing: border-box;
}

.editor-area pre.hljs-highlight-layer code.hljs {
    display: block;
    padding: 0;
    margin: 0;
    background: none;
}

/* 4.5. Textarea (Input/Output) */
textarea {
    flex-grow: 1;
    padding: var(--spacing-padding-editor-vertical) var(--spacing-padding-editor-horizontal);
    background-color: transparent;
    color: transparent;
    caret-color: var(--color-text-primary);
    border: none;
    border-radius: 0;
    resize: none;
    font-family: var(--font-family-monospace);
    font-size: var(--font-size-textarea);
    line-height: var(--font-line-height-textarea);
    width: 100%;
    min-height: 100px;
    position: relative;
    z-index: 2;
    outline: none;
}

/* 4.6. Custom Placeholder for Input Area */
.custom-placeholder {
    position: absolute;
    top: var(--spacing-padding-editor-vertical);
    left: calc(var(--width-gutter) + var(--spacing-padding-editor-horizontal));
    width: calc(100% - var(--width-gutter) - (2 * var(--spacing-padding-editor-horizontal)) - 10px);
    height: calc(100% - (2 * var(--spacing-padding-editor-vertical)));
    font-family: var(--font-family-monospace);
    font-size: var(--font-size-textarea);
    line-height: var(--font-line-height-textarea);
    color: var(--color-text-secondary);
    pointer-events: none;
    z-index: 5;
    display: flex;
    align-items: flex-start;
    white-space: pre-wrap;
}

.custom-placeholder.hidden {
    display: none;
}

/* 4.7. Counts Bar (Lines & Chars) */
.counts-bar {
    background-color: var(--color-bg-tertiary);
    padding: 5px 10px;
    font-size: 0.8em; /* Relative to body font-size */
    color: var(--color-text-secondary);
    display: flex;
    justify-content: space-between;
    border: 1px solid var(--border-color-primary);
    border-top: none;
    border-radius: 0 0 5px 5px;
    flex-shrink: 0;
}

/*==========================================================================
  5. Word Wrap Styles (Shared by Textarea & Highlight Layer)
==========================================================================*/
textarea.word-wrap-enabled,
.hljs-highlight-layer.word-wrap-enabled,
.hljs-highlight-layer.word-wrap-enabled code.hljs {
    white-space: pre-wrap;
    word-break: break-all;
}

textarea.word-wrap-disabled,
.hljs-highlight-layer.word-wrap-disabled,
.hljs-highlight-layer.word-wrap-disabled code.hljs {
    white-space: pre;
}
textarea.word-wrap-disabled {
    overflow-x: auto;
}
.hljs-highlight-layer.word-wrap-disabled {
    overflow-x: hidden;
}

/*==========================================================================
  6. Buttons
==========================================================================*/

/* 6.1. Generic Button Styles (inside .textarea-wrapper) */
.textarea-wrapper button {
    position: absolute;
    background: var(--color-bg-icon-button);
    border: none;
    border-radius: 50%;
    width: var(--size-icon-button);
    height: var(--size-icon-button);
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: background-color 0.2s ease, transform 0.1s ease, opacity 0.2s ease;
}

.textarea-wrapper button:hover:not([disabled]) {
    background-color: var(--color-bg-icon-button-hover);
}

.textarea-wrapper button:active:not([disabled]) {
    transform: scale(0.95);
}

.textarea-wrapper button .icon-svg {
    width: var(--size-icon);
    height: var(--size-icon);
    fill: var(--color-icon-button-foreground);
    transition: fill 0.2s ease;
}

.textarea-wrapper button[disabled] {
    background: var(--color-bg-icon-button-disabled) !important;
    cursor: not-allowed;
    opacity: 0.6;
}

.textarea-wrapper button[disabled] .icon-svg {
    fill: var(--color-icon-button-foreground-disabled) !important;
}

/* 6.2. Specific Button Styles */
#download-button {
    top: 10px;
    right: calc(10px + var(--size-icon-button) + 8px);
    background: var(--color-bg-button-download);
}
#download-button:hover:not([disabled]) {
    background-color: var(--color-bg-button-download-hover);
}
#download-button .icon-svg {
    fill: var(--color-icon-button-download-foreground);
}

#copy-button {
    top: 10px;
    right: 10px;
    background: var(--color-bg-button-copy);
}
#copy-button:hover:not([disabled]) {
    background-color: var(--color-bg-button-copy-hover);
}
#copy-button .icon-svg {
    fill: var(--color-icon-button-copy-foreground);
}

.input-wrapper #upload-file-button {
    top: 10px;
    right: calc(10px + var(--size-icon-button) + 8px);
    background: var(--color-bg-button-upload);
}
.input-wrapper #upload-file-button:hover:not([disabled]) {
    background-color: var(--color-bg-button-upload-hover);
}
.input-wrapper #upload-file-button .icon-svg {
    fill: var(--color-icon-button-upload-foreground);
}

.input-wrapper #clear-input-button {
    top: 10px;
    right: 10px;
    background: var(--color-bg-button-clear);
}
.input-wrapper #clear-input-button:hover:not([disabled]) {
    background-color: var(--color-bg-button-clear-hover);
}

/* 6.3. Toggle Word Wrap Button (Level Selector Column) */
#toggle-word-wrap-button {
    background: var(--color-bg-icon-button);
    border: none;
    border-radius: 50%;
    width: var(--size-icon-button);
    height: var(--size-icon-button);
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
    margin: 80px 0;
}

#toggle-word-wrap-button .icon-svg {
    width: var(--size-icon);
    height: var(--size-icon);
    color: var(--color-icon-button-foreground);
    transition: color 0.2s ease;
}

#toggle-word-wrap-button:hover {
    background-color: var(--color-bg-icon-button-hover);
}

#toggle-word-wrap-button:active:not(.active) {
    transform: scale(0.95);
}

#toggle-word-wrap-button.active {
    background-color: var(--color-bg-button-wordwrap-active);
    box-shadow: var(--shadow-button-wordwrap-active), 0 1px 3px rgba(0, 0, 0, 0.3);
}

#toggle-word-wrap-button.active .icon-svg {
    color: var(--color-icon-button-wordwrap-foreground-active);
}

/*==========================================================================
  7. Level Selector Column
==========================================================================*/
.level-selector-column {
    width: 70px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 30px;
    flex-shrink: 0;
}

.level-selector-label {
    font-size: 0.9em; /* Relative to body font-size */
    color: var(--color-text-tertiary);
    text-align: center;
    white-space: nowrap;
    width: 100%;
    flex-shrink: 0;
    transition: opacity 0.3s ease;
}

.level-selector-label.top {
    margin-bottom: 10px;
}

.level-selector-label.bottom {
    margin-top: 10px;
}

.level-buttons-ui-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    width: var(--width-level-selector-track);
    height: var(--height-level-selector-track);
    max-height: var(--height-level-selector-track-max);
    background-color: transparent;
    border-radius: 7px;
    padding: 5px 0;
    transition: opacity 0.3s ease;
}

.level-button-wrapper {
    display: flex;
    width: 100%;
    flex: 1;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    max-height: 55px;
    padding: 2px 0;
}

input[type="radio"][name="minify-level"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.level-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-family: var(--font-family-monospace);
    font-weight: bold;
    font-size: 1.4em; /* Relative to body font-size */
    color: var(--color-text-level-button-inactive);
    background-color: var(--color-bg-level-button-inactive);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease, border 0.15s ease, color 0.2s ease;
    border-radius: 5px;
    position: relative;
    box-sizing: border-box;
    border: 2px solid transparent;
    transform-origin: center;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
    margin: 1px 0;
}

.level-buttons-ui-wrapper:not(.empty-state) .level-button {
    background-color: var(--color-bg-level-button-inactive);
    color: var(--color-text-level-button-inactive);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.4);
    border: 2px solid transparent;
}

.level-buttons-ui-wrapper:not(.empty-state) input[type="radio"]:not(:checked) + .level-button:hover {
    transform: scale(1.03);
    z-index: 2;
    background-color: color-mix(in srgb, var(--color-bg-level-button-inactive) 70%, white 30%);
}

.level-buttons-ui-wrapper:not(.empty-state) #minify-level-1:checked + label[for="minify-level-1"],
.level-buttons-ui-wrapper:not(.empty-state) .level-button-wrapper:has(#minify-level-2:checked) ~ .level-button-wrapper label[for="minify-level-1"],
.level-buttons-ui-wrapper:not(.empty-state) .level-button-wrapper:has(#minify-level-3:checked) ~ .level-button-wrapper label[for="minify-level-1"],
.level-buttons-ui-wrapper:not(.empty-state) .level-button-wrapper:has(#minify-level-4:checked) ~ .level-button-wrapper label[for="minify-level-1"] {
    background-color: var(--color-bg-level-button-level1-active);
    color: var(--color-text-level-button-active);
    box-shadow: 0 0 5px color-mix(in srgb, var(--color-bg-level-button-level1-active) 80%, transparent 20%), inset 0 0 3px color-mix(in srgb, var(--color-bg-level-button-level1-active) 70%, white 30%);
}

.level-buttons-ui-wrapper:not(.empty-state) #minify-level-2:checked + label[for="minify-level-2"],
.level-buttons-ui-wrapper:not(.empty-state) .level-button-wrapper:has(#minify-level-3:checked) ~ .level-button-wrapper label[for="minify-level-2"],
.level-buttons-ui-wrapper:not(.empty-state) .level-button-wrapper:has(#minify-level-4:checked) ~ .level-button-wrapper label[for="minify-level-2"] {
    background-color: var(--color-bg-level-button-level2-active);
    color: var(--color-text-level-button-active);
    box-shadow: 0 0 5px color-mix(in srgb, var(--color-bg-level-button-level2-active) 80%, transparent 20%), inset 0 0 3px color-mix(in srgb, var(--color-bg-level-button-level2-active) 70%, white 30%);
}

.level-buttons-ui-wrapper:not(.empty-state) #minify-level-3:checked + label[for="minify-level-3"],
.level-buttons-ui-wrapper:not(.empty-state) .level-button-wrapper:has(#minify-level-4:checked) ~ .level-button-wrapper label[for="minify-level-3"] {
    background-color: var(--color-bg-level-button-level3-active);
    color: var(--color-text-level-button-active);
    box-shadow: 0 0 5px color-mix(in srgb, var(--color-bg-level-button-level3-active) 80%, transparent 20%), inset 0 0 3px color-mix(in srgb, var(--color-bg-level-button-level3-active) 70%, white 30%);
}

.level-buttons-ui-wrapper:not(.empty-state) #minify-level-4:checked + label[for="minify-level-4"] {
    background-color: var(--color-bg-level-button-level4-active);
    color: var(--color-text-level-button-active);
    box-shadow: 0 0 5px color-mix(in srgb, var(--color-bg-level-button-level4-active) 80%, transparent 20%), inset 0 0 3px color-mix(in srgb, var(--color-bg-level-button-level4-active) 70%, white 30%);
}

.level-buttons-ui-wrapper:not(.empty-state) input[type="radio"][name="minify-level"]:checked + .level-button {
    border: 2px solid var(--border-color-level-button-selected);
    box-shadow: 0 0 12px var(--color-text-highlight), inset 0 0 6px color-mix(in srgb, currentColor 60%, white 40%);
    transform: scaleX(1.2) scaleY(1.02);
    z-index: 3;
}

.level-buttons-ui-wrapper.empty-state .level-button {
    background-color: var(--color-bg-level-button-empty) !important;
    color: var(--color-text-level-button-inactive) !important;
    border-color: transparent !important;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3) !important;
    cursor: default;
    pointer-events: none;
    transform: none !important;
}

.level-buttons-ui-wrapper.empty-state input[name="minify-level"]:checked + .level-button {
    background-color: var(--color-bg-level-button-empty-selected) !important;
    color: var(--color-text-primary) !important;
    border: 2px solid var(--border-color-level-button-empty-selected) !important;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.4) !important;
    transform: scaleX(1.2) scaleY(1.02) !important;
}

.level-buttons-ui-wrapper.empty-state ~ .level-selector-label {
    opacity: 0.6;
}