html {
    transition: none;
}

:root {
    /* Light theme variables (default) */
    --background-color: #ffffff;
    --text-color: #333333;
    --text-invert-color: #f5f5f5;
    --header-bg: #f5f5f5;
    --footer-bg: #f5f5f5;
    --card-bg: #ffffff;
    --border-color: #dddddd;
    --accent-color: #4a90e2; /* Default accent color */
    --accent-color-rgb: 74, 144, 226; /* RGB values of accent color */
    --button-bg: var(--accent-color);
    --button-text: #ffffff;
    --input-bg: #ffffff;
    --input-border: #cccccc;
    --form-bg: #f9f9f9;
}

/* Dark theme variables */
[data-theme="dark"] {
    --background-color: #1a1a1a;
    --text-color: #f5f5f5;
    --text-invert-color: #33333;
    --header-bg: #2c2c2c;
    --footer-bg: #2c2c2c;
    --card-bg: #2c2c2c;
    --border-color: #444444;
    --accent-color: #4a90e2; /* Default accent color */
    --accent-color-rgb: 74, 144, 226; /* RGB values of accent color */
    --button-bg: var(--accent-color);
    --button-text: #ffffff;
    --input-bg: #333333;
    --input-border: #555555;
    --form-bg: #252525;
}

/* Add a class to re-enable transitions after page load */
html.transitions-enabled {
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Global layout structure - using grid */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: grid;
    grid-template-areas:
        "header"
        "main"
        "footer";
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    margin: 0;
}

header {
    grid-area: header;
    background-color: var(--header-bg);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.theme-controls {
    position: relative;
    display: flex;
    align-items: center;
}

.theme-menu-toggle {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.theme-menu-toggle:hover {
    background-color: var(--background-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

.theme-menu-toggle svg {
    fill: var(--accent-color);
}

.theme-menu-toggle img,
.theme-button img {
    width: 24px;
    height: 24px;
    fill: var(--accent-color);
    transition: all 0.2s;
}

.theme-menu-toggle img,
.theme-button img {
    filter: invert(50%) sepia(50%) saturate(1000%) hue-rotate(190deg) brightness(90%) contrast(95%);
}

.theme-button.active img {
    filter: invert(100%);
}

.theme-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 320px;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s, visibility 0s linear 0.3s;
    z-index: 100;
}

.theme-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.3s, transform 0.3s, visibility 0s;
}

.menu-section {
    margin-bottom: 20px;
    width: 100%;
}

.menu-section:last-child {
    margin-bottom: 0;
}

.menu-section h4 {
    margin-bottom: 15px;
    font-size: 14px;
    opacity: 0.8;
}

.theme-button-group {
    display: flex;
    background-color: var(--background-color);
    border-radius: 8px;
    padding: 4px;
    border: 1px solid var(--border-color);
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 8px;
}

.theme-button {
    flex: 1;
    padding: 10px 12px; /* Slightly more vertical padding */
    border: none;
    background: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-color);
    transition: all 0.2s;
}

.theme-button svg {
    width: 18px;
    height: 18px;
    fill: var(--text-color);
    transition: fill 0.2s;
}

/* Active button uses accent color */
.theme-button.active {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Override active button styling */
.theme-button.active {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.theme-button.active svg {
    fill: white; /* White icon when button is active */
}

/* Theme-specific icon styling for better visual cues */
.theme-button[data-theme="light"] svg {
    color: #f9a825; /* Sunny yellow for light theme */
}

.theme-button[data-theme="dark"] svg {
    color: #9fa8da; /* Soft blue for dark theme */
}

.theme-button[data-theme="system"] svg {
    color: #78909c; /* Neutral blue-grey for system */
}

/* Override fill when active */
.theme-button.active[data-theme="light"] svg,
.theme-button.active[data-theme="dark"] svg,
.theme-button.active[data-theme="system"] svg {
    fill: white;
}

/* Accent Color Styles */
.accent-color-control {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%; /* Ensure full width */
}

#accent-color {
    width: 0;
    height: 0;
    opacity: 0;
    position: absolute;
}

.accent-color-preview {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--accent-color);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.2s;
}

.accent-color-preview:hover {
    transform: scale(1.1);
}

.accent-color-control label {
    font-size: 14px;
    cursor: pointer;
}

/* Main content styles - using grid */
main {
    grid-area: main;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

/* For wider screens, use two columns for content sections */
@media (min-width: 768px) {
    main {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Make some sections span full width */
    .content {
        grid-column: 1 / -1;
    }
}

/* Section styles - using flexbox */
section {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

h1, h2, h3, h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Card styles - using flexbox */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Button styles */
.btn {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: var(--button-bg);
    opacity: 0.9;
}

/* Demo form - using grid */
.demo-form {
    background-color: var(--form-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 576px) {
    .demo-form {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-group {
        grid-column: span 1;
    }

    .demo-form h4 {
        grid-column: 1 / -1;
    }

    .demo-form button {
        grid-column: 1 / -1;
        justify-self: start;
    }
}

/* Form group styles - using flexbox */
.form-group {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-color);
}

/* Footer styles - using flexbox */
footer {
    grid-area: footer;
    background-color: var(--footer-bg);
    text-align: center;
    padding: 0.5rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

footer p {
    margin: 0;
    color: var(--text-color);
}

/* Theme Dropdown Styles */
.theme-dropdown {
    position: relative;
    display: inline-block;
}

.theme-toggle {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.theme-toggle:hover {
    background-color: var(--background-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

.theme-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-icon svg {
    fill: var(--text-color);
    transition: fill 0.3s;
}

/* Hide all icons by default */
.theme-toggle .theme-icon {
    display: none;
}

/* Show only the current theme icon */
[data-theme="light"] .theme-toggle .light-icon,
.theme-toggle .light-icon {
    display: flex;
}

[data-theme="dark"] .theme-toggle .light-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .dark-icon {
    display: flex;
}

[data-theme="system"] .theme-toggle .light-icon,
[data-theme="system"] .theme-toggle .dark-icon {
    display: none;
}

[data-theme="system"] .theme-toggle .system-icon {
    display: flex;
}

.theme-button[data-theme="dark"]{
    color: var(--text-invert-color) !important;
}
[data-theme="light"] .theme-button[data-theme="dark"]>svg {
    fill: var(--text-invert-color);
}

.theme-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s, visibility 0s linear 0.3s;
    z-index: 100;
    color: var(--text-color) !important;
}

.theme-dropdown.active .theme-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.3s, transform 0.3s, visibility 0s;
}

/* Clean slate for theme option styling */
.theme-option {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.2s;

    /* Force the text color to match the parent document theme */
    color: var(--text-color);
}

/* Make icons match text color */
.theme-option .theme-icon svg {
    fill: var(--text-color);
}

/* Hover states */
.theme-option:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .theme-option:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Active state styling */
.theme-option.active {
    background-color: var(--accent-color);
}

.theme-option.active,
.theme-option.active .theme-icon svg {
    /* Force white for active option regardless of theme */
    color: white;
    fill: white;
}