/* Text Toolbox Pro - Main Stylesheet */

/* CSS Variables for Theming */
:root {
    /* Light Theme (Default) */
    --bg-main: #f8f9fa;
    --bg-sidebar: #f0f2f5;
    --bg-control: #ffffff;
    --bg-tool-header: #e9ecef;
    --border-color: #dee2e6;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --accent-color: #0d6efd;
    --accent-hover: #0b5ed7;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-main: #212529;
    --bg-sidebar: #2a2d32;
    --bg-control: #343a40;
    --bg-tool-header: #343a40;
    --border-color: #495057;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --accent-color: #3d8bfd;
    --accent-hover: #4d97ff;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.4);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Layout Structure */
.app-container {
    display: flex;
    min-height: 100vh;
}    /* Sidebar Styles */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    z-index: 100;
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-right: auto;
}

.toggle-theme, .menu-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
}

.toggle-theme:hover, .menu-toggle:hover {
    color: var(--accent-color);
}

.menu-toggle {
    display: none;
}

.tool-nav ul {
    list-style: none;
    padding: 0;
}

.tool-nav li {
    padding: 0.8rem 1rem;
    cursor: pointer;
    color: var(--text-secondary);
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.tool-nav li:hover {
    background-color: rgba(var(--accent-color-rgb), 0.1);
    color: var(--text-primary);
}

.tool-nav li.active {
    color: var(--accent-color);
    border-left-color: var(--accent-color);
    background-color: rgba(var(--accent-color-rgb), 0.05);
    font-weight: 500;
}

.tool-nav li i {
    min-width: 1.5rem;
    text-align: center;
}

/* Main Content Area */
.main-content {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

/* Tool Sections */
.tool-section {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.tool-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.tool-section header {
    margin-bottom: 1.5rem;
}

.tool-section h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tool-section p {
    color: var(--text-secondary);
}

.tool-container {
    background-color: var(--bg-control);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

/* Form Elements */
textarea, input[type="text"], input[type="number"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-main);
    color: var(--text-primary);
    resize: vertical;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

textarea:focus, input[type="text"]:focus, input[type="number"]:focus {
    border-color: var(--accent-color);
    outline: none;
}

textarea {
    min-height: 200px;
}

/* Controls & Buttons */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.top-controls {
    margin-top: 0;
    margin-bottom: 1rem;
}

button {
    background-color: var(--bg-control);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

button:hover {
    background-color: var(--border-color);
}

button i {
    font-size: 0.9rem;
}

button.copy-button, button.clear-button {
    margin-left: auto;
}

/* Undo/Redo Buttons */
.undo-button, .redo-button {
    background-color: var(--bg-accent);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    margin-right: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: inline-flex;
    align-items: center;
}

.undo-button:hover, .redo-button:hover {
    background-color: var(--hover-color);
}

.undo-button i, .redo-button i {
    margin-right: 0.25rem;
}

/* Dual Pane Layout */
.dual-pane {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pane {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pane h3 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Tool specific styles */
.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-group.full-width {
    width: 100%;
}

.input-group label {
    min-width: 80px;
    color: var(--text-secondary);
}

.checkbox-group, .radio-group {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.find-replace-controls {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.button-group {
    display: flex;
    gap: 0.5rem;
}

/* No ASCII Art Output */

/* Diff Output */
.diff-output {
    margin-top: 1.5rem;
}

.diff-result {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.9rem;
    overflow-x: auto;
    white-space: pre-wrap;
    min-height: 150px;
    line-height: 1.5;
}

.diff-result .diff-added,
.diff-result .diff-added,
.diff-added {
    background-color: rgba(40, 167, 69, 0.2);
    color: #28a745;
    padding: 1px 0;
    display: block;
}

.diff-result .diff-removed,
.diff-result .diff-removed,
.diff-removed {
    background-color: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    padding: 1px 0;
    display: block;
}

.diff-result .diff-unchanged,
.diff-unchanged {
    color: var(--text-primary);
    padding: 1px 0;
    display: block;
}

.diff-result hr {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: 10px 0;
}

/* Markdown Preview */
.html-preview {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1.5rem;
    overflow: auto;
    min-height: 200px;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dual-pane {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        position: relative; /* For proper z-index effect */
    }
    
    .menu-toggle {
        display: block;
    }
    
    .tool-nav {
        display: none;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    .sidebar.menu-open .tool-nav {
        display: block;
        max-height: 100vh;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--bg-sidebar);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        z-index: 99;
        overflow-y: auto;
        max-height: 80vh;
        padding-bottom: 1rem;
    }

    .sidebar.menu-open .tool-nav ul {
        max-height: 70vh;
        overflow-y: auto;
    }
    
    .controls {
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    button.copy-button, button.clear-button {
        margin-left: 0;
    }
    
    /* Better touchpoints for mobile */
    .tool-nav li {
        padding: 15px 20px;
        font-size: 16px;
    }
}

/* Additional CSS Enhancements */

/* Focus Indicators for Accessibility */
button:focus, textarea:focus, input:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Pre-filled Text Color */
::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Button States */
button[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

.accent-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
}

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

/* Extract RGB values for RGBA usage */
:root {
    --accent-color-rgb: 13, 110, 253; /* RGB for #0d6efd */
}

[data-theme="dark"] {
    --accent-color-rgb: 61, 139, 253; /* RGB for #3d8bfd */
}

/* Add subtle animation for ui interaction */
button, .tool-nav li {
    transition: transform 0.1s ease, background-color 0.2s ease, color 0.2s ease;
}

button:active, .tool-nav li:active {
    transform: scale(0.98);
}

/* Improve code readability in textareas for code-specific tools */
#minifier textarea, #diff-checker textarea {
    font-family: "Courier New", Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Copy Success Animation */
.copy-success {
    animation: flash-success 1s;
}

@keyframes flash-success {
    0%, 100% { background-color: var(--bg-control); }
    50% { background-color: rgba(40, 167, 69, 0.2); }
}

/* Improve input range spacing for consistent layout */
input[type="number"] {
    width: 80px;
}

/* Better scrollbars for textareas */
textarea::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

textarea::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

textarea::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-secondary);
}

/* Print styles */
@media print {
    .sidebar, .controls, .app-footer {
        display: none !important;
    }
    
    .app-container {
        display: block;
    }
    
    .tool-section {
        page-break-inside: avoid;
        display: block !important;
    }
    
    body {
        background-color: white;
        color: black;
    }
}