:root {
    --main_bg: #1e1f26; /* Deep charcoal navy */
    --text_color: #e0e0e0; /* Soft light gray */
    --unchecked_color: #4a6fa5; /* Muted steel blue */
    --checked_color: #6c5dd3; /* Soft, calm indigo */
    --wall_color: #2d2f36; /* Dark neutral gray */
    --path_color: #d4a941; /* Muted golden amber */
    --start_color: #3e8e41; /* Muted forest green */
    --goal_color: #cc6e30; /* Soft burnt orange */

    /* Inputs */
    --input_bg: var(--wall_color);
    --input_bg_focus: #383c4a;
    --input_border: var(--unchecked_color);
    --input_border_focus: var(--checked_color);

    /* Radio Buttons */
    --radio_bg: var(--main_bg);
    --radio_border: var(--unchecked_color);
    --radio_border_checked: var(--checked_color);
    --radio_dot: var(--main_bg);

    /* Checkboxes */
    --checkbox_bg: var(--main_bg);
    --checkbox_border: var(--unchecked_color);
    --checkbox_border_checked: var(--checked_color);
    --checkbox_checkmark: var(--checked_color);

    /* Buttons */
    --button_bg: var(--unchecked_color);
    --button_bg_hover: var(--checked_color);
    --button_text: var(--text_color);
    --button_border: var(--unchecked_color);
    --button_border_hover: var(--checked_color);
    --button_shadow_hover: rgba(108, 93, 211, 0.5);
}

/* Base styles */

body {
    background-color: var(--main_bg);
    color: var(--text_color);
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 20px;
    user-select: none;
}

p {
    font-family: inherit;
    margin: 0 0 6px 0;
}

/* MENU CONTAINER */
#Menu {
    display: flex;
    gap: 40px;
    justify-content: space-between;
    margin-bottom: 25px;
}
@media screen and (max-width: 1200px) {
    #Menu {
        flex-direction: column;
    }
}

/* Make all menu sections equal width & height */
#Generation-Menu,
#Tools,
#Json-Loading {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--wall_color);
    padding: 15px 20px;
    border-radius: 8px;
    min-width: 240px;
    box-sizing: border-box;
}

/* Titles */
#Generation-Menu h4,
#Tools h4,
#Json-Loading h4{
    margin-top: 0;
    margin-bottom: 10px;
    font-weight: 600;
}

/* INPUTS & BUTTONS */

input[type="number"],
input[type="text"],
button {
    font-family: inherit;
    font-size: 1rem;
    height: 38px;
    padding: 0 12px;
    border-radius: 6px;
    border: 1.5px solid var(--input_border);
    background-color: var(--input_bg);
    color: var(--text_color);
    box-sizing: border-box;
    transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s;
    outline: none;
    width: 100%;
}

input[type="number"]:focus,
input[type="text"]:focus {
    border-color: var(--input_border_focus);
    box-shadow: 0 0 6px var(--input_border_focus);
    background-color: var(--input_bg_focus);
}

/* Hide number input spinner */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] {
    -moz-appearance: textfield;
}

/* BUTTON */
button {
    border: 2px solid var(--button_border);
    background-color: var(--button_bg);
    color: var(--button_text);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
    font-weight: 600;
}

button:hover,
button:focus {
    background-color: var(--button_bg_hover);
    border-color: var(--button_border_hover);
    box-shadow: 0 0 8px var(--button_shadow_hover);
    outline: none;
}

button:active {
    background-color: var(--button_border_hover);
    border-color: var(--button_border_hover);
    box-shadow: none;
}

/* LABELS */
label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    cursor: pointer;
    user-select: none;
    color: var(--text_color);
    font-family: inherit;
    line-height: 1;
}

/* CHECKBOX & RADIO */

input[type="checkbox"],
input[type="radio"] {
    width: 24px;
    height: 24px;
    margin: 0;
    cursor: pointer;
    position: relative;
    box-sizing: border-box;
    border-radius: 4px;
    border: 2px solid var(--unchecked_color);
    background-color: var(--main_bg);
    transition: border-color 0.3s, background-color 0.3s, box-shadow 0.3s;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input[type="checkbox"]:checked {
    background-color: var(--checkbox_border_checked);
    border-color: var(--checkbox_border_checked);
    box-shadow: 0 0 6px var(--checkbox_border_checked);
}

input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    top: 4px;
    left: 8px;
    width: 5px;
    height: 10px;
    border: solid var(--checkbox_checkmark);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    display: block;
}

input[type="radio"]:checked {
    background-color: var(--checked_color);
    border-color: var(--checked_color);
    box-shadow: 0 0 6px var(--checked_color);
}

input[type="radio"]:checked::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 6px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: block;
}

/* Select Dropdown */
select {
    font-family: inherit;
    font-size: 1rem;
    height: 38px;
    padding: 0 12px;
    border-radius: 6px;
    border: 1.5px solid var(--input_border);
    background-color: var(--input_bg);
    color: var(--text_color);
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s;
    outline: none;
    appearance: none; /* Remove native arrow for consistency */
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23e0e0e0' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 10px;
}

select:focus {
    border-color: var(--input_border_focus);
    box-shadow: 0 0 6px var(--input_border_focus);
    background-color: var(--input_bg_focus);
}

/* File Input */
input[type="file"] {
    font-family: inherit;
    font-size: 1rem;
    height: 38px;
    padding: 0 12px;
    border-radius: 6px;
    border: 1.5px solid var(--input_border);
    background-color: var(--input_bg);
    color: var(--text_color);
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s;
    outline: none;
}

input[type="file"]::file-selector-button {
    font-family: inherit;
    background-color: var(--button_bg);
    color: var(--button_text);
    border: 2px solid var(--button_border);
    padding: 3px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

input[type="file"]::file-selector-button:hover {
    background-color: var(--button_bg_hover);
    border-color: var(--button_border_hover);
    box-shadow: 0 0 8px var(--button_shadow_hover);
}

/* Maze Item styling unchanged */

.MazeItem {
    width: 50px;
    aspect-ratio: 1;
    background-color: var(--unchecked_color);
    margin: 5px;
    transition: background-color 0.5s;
    text-align: center;
    line-height: 50px;
    border-radius: 5px;
    transition: color 0.3s;
}

.MazeItem[type="start"] {
    background-color: var(--start_color) !important;
    transition: background-color 0.5s;
}

.MazeItem[type="goal"] {
    background-color: var(--goal_color) !important;
    transition: background-color 0.5s;
}

.MazeItem[checked="true"] {
    background-color: var(--checked_color);
    transition: background-color 0.5s;
}

.MazeItem[type="wall"] {
    background-color: var(--wall_color);
    transition: background-color 0.5s;
}

.MazeItem[path="true"] {
    background-color: var(--path_color);
    transition: background-color 0.5s;
}

.Row {
    display: flex;
    flex-direction: row;
    width: fit-content;
}

#Maze-Wrapper {
    width: fit-content;
    margin: auto;
}
.HideCoordinates {
    color: transparent !important;
    transition: color 0.3s;
}