/* Page Color Scheme */
:root {
    --bg-primary: #1e1e2e;
    --bg-secondary: #313244;
    --text-primary: #cdd6f4;
    --border-color: #45475a;
    --accent-color: #89b4fa;
    --shadow-color: rgba(0, 0, 0, 0.2);
    --accent-shadow: rgba(137, 180, 250, 0.2);
    --transition: 0.2s ease;
}


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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 1rem;
}

main {
    margin: 0 auto;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

/* form styles */

form {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    min-width: 300px;
    flex: 0 1 auto;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

.setting {
    margin-bottom: 1.2rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 1.2rem;
}

input[type="file"] {
    width: 100%;
    padding: 0.5rem;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.1rem;
}

input[type="number"],
select {
    width: 100%;
    padding: 0.6rem;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-shadow);
}

select {
    cursor: pointer;
}

input[type="checkbox"] {
    appearance: none;
    width: 1.8rem;
    height: 1.8rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-primary);
    cursor: pointer;
    vertical-align: middle;
    transition: background-color var(--transition), border-color var(--transition);
}

input[type="checkbox"]:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

input[type="checkbox"]:checked::after {
    content: '✓';
    color: var(--bg-primary);
    font-size: 1.2rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

input[type="checkbox"]:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-shadow);
}

.checkbox-setting {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.checkbox-setting label {
    margin-bottom: 0;
    flex: 1;
}

fieldset {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    background-color: var(--bg-primary);
}

legend {
    padding: 0 0.5rem;
    font-weight: bold;
    color: var(--accent-color);
    font-size: 1.3rem;
}

fieldset:hover {
    border-color: var(--accent-color);
    transition: border-color var(--transition);
}

fieldset .setting:last-child {
    margin-bottom: 0;
}

/* Art output area */
.artContainer {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    flex: 1;
    min-width: 300px;
    white-space: pre;
    overflow: auto;
    text-align: center;
    display: flex;
    justify-content: center;
    max-height: calc(100vh - 2rem);
}

#art {
    text-align: left;
}

@media (max-width: 768px) {
    body {
        padding: 0.5rem;
        overflow-x: hidden;
    }
    
    main {
        gap: 1rem;
        max-height: none;
        min-height: 100vh;
        flex-direction: column;
        overflow-y: auto;
        width: 100%;
        max-width: 100vw;
    }
    
    form, .artContainer {
        min-width: 0;
        width: 100%;
        max-width: calc(100vw - 1rem);
        max-height: none;
        flex-shrink: 0;
    }
    
    form {
        order: 1;
        position: relative;
    }
    
    .artContainer {
        order: 2;
        min-height: 300px;
        flex-grow: 1;
        overflow: auto;
    }
    
    input[type="number"], 
    select, 
    input[type="file"] {
        font-size: 16px;
    }
}