.buttons,
.parameters {
    border-radius: var(--radius);
}

.buttons,
.output,
.parameters {
    width: 100%;
    max-width: 800px;
}

.buttons,
.range-group,
.checkbox-group,
.symbols-row,
.output {
    overflow: hidden;
    box-shadow: 0px 0px 4px var(--color-section-box-shadow);
}

.buttons,
.range-group,
.checkbox-group,
.symbols-row,
.output {
    background-color: var(--color-section-background);
    color: var(--color-section);
    border-radius: var(--radius);
    border: none;
}

.options-form {
    display: grid;
    grid-template-areas:
        "range-group checkbox-group"
        "symbols-row symbols-row";
    grid-template-columns: 2fr auto;
    grid-template-rows: auto auto;
    gap: 0.5rem;
}

fieldset {
    border: 0;
}

.checkbox-group {
    grid-area: checkbox-group;
    padding: 0.5rem 0.8rem;
    font-size: 0.9rem;
    color: var(--color-checkbox);
}

.checkbox-group > fieldset {
    display: flex;
    flex-direction: column;
    align-items: last baseline;
    gap: 0.5rem;
}

.checkboxes label {
    position: relative;
    background-color: var(--color-checkbox-background);
    border: 1px solid var(--color-checkbox-border);
    border-radius: 50%;
    cursor: pointer;
    height: 1.2rem;
    width: 1.2rem;
    min-width: 1.2rem;
    display: inline-block;
    vertical-align: middle;
    -webkit-tap-highlight-color: transparent;
}

.checkboxes label:after {
    border: 2px solid var(--color-checkbox-check);
    border-top: none;
    border-right: none;
    content: "";
    height: 0.26rem;
    left: 0.34rem;
    opacity: 0;
    position: absolute;
    top: 0.38rem;
    transform: rotate(-45deg);
    width: 0.51rem;
    -webkit-tap-highlight-color: transparent;
}

.checkboxes input[type="checkbox"] {
    visibility: hidden;
    display: none;
    opacity: 0;
}

.checkboxes input[type="checkbox"]:checked+label:after {
    opacity: 1;
}

.checkboxes label:active {
  background-color: var(--color-checkbox-background-hover);
}

@media (hover: hover) {
    .checkboxes input[type=checkbox]+label:hover {
        background-color: var(--color-checkbox-background-hover);
    }
}

.symbols-row {
    grid-area: symbols-row;
    padding-left: 0.5rem;
}

.symbols-row label {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

#custom-symbols {
    flex: 1 1;
    width: 120px;
    border: 0;
    outline: 0;
    padding: 3px 0.5em;
    margin: 0 5px;
    font-size: 1.1em;
    letter-spacing: 0.4em;
    font-family: monospace;
    border-radius: 0;
    border-bottom: 1px solid var(--color-symbols-row-input-underline);
    color: var(--color-symbols);
    background-color: inherit;
}


#custom-symbols:disabled {
    color: var(--color-disable);
    border-bottom-color: var(--color-disable);
}

#reset-button {
    flex: 0 0 80px;
    background: var(--color-button-background);
}

#bt-reset-symbols {
    min-width: 100%;
}

.range-group {
    grid-area: range-group;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;
}

.range-group label {
    font-size: 0.8rem;
    align-items: start;
    flex-direction: column;
    gap: 0.5rem;
}

.range-group input[type=number] {
    float: right;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid var(--color-range-number-border);
    padding: 5px;
    text-align: right;
    text-indent: -5em;
    outline: none;
    background-color: var(--color-range-number-background);
    color: var(--color-range-number);
}

.range-group input[type=range],
.range-group input[type=range]::-webkit-slider-runnable-track,
.range-group input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
}

.range-group input[type=range]::-moz-range-progress,
.range-group input[type=range]::-moz-range-thumb,
.range-group input[type=range]::-moz-range-track {
    -moz-appearance: none;
    appearance: none;
}

input[type=range]:focus-visible {
    outline: 1px solid var(--color-range-track-focus-visible);
    outline-offset: 1px;
}

.range-group input[type=range] {
    width: 100%;
    height: 0.5rem;
    cursor: pointer;
    background: 0 0;
}

.range-group input[type=range]::-webkit-slider-runnable-track {
    background: var(--color-range-track);
    border-radius: 10px;
    height: 10px;
}

.range-group input[type=range]::-moz-range-track {
    background: var(--color-range-track);
    border-radius: 10px;
    height: 10px;
}

.range-group input[type=range]::-moz-range-progress {
    background: var(--color-range-track-progress);
    border-radius: 10px 0 0 10px;
    height: 10px;
}

.range-group input[type=range]::-webkit-slider-thumb {
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    border: 2px solid var(--color-slider-thumb-border);
    background: var(--color-slider-thumb-background);
    box-shadow: none;
    position: relative;
    top: -0.3rem;
    outline: 2px solid var(--color-range-track-outline);
}

.range-group input[type=range]::-moz-range-thumb {
    box-sizing: border-box;
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    border: 2px solid var(--color-slider-thumb-border);
    background: var(--color-slider-thumb-background);
    box-shadow: none;
    position: relative;
    outline: 2px solid var(--color-range-track-outline);
}

@media (hover: hover) {
    .range-group input[type=range]::-webkit-slider-thumb:hover {
        background: var(--color-slider-thumb-background-hover);
    }

    .range-group input[type=range]::-moz-range-thumb:hover {
        background: var(--color-slider-thumb-background-hover);
    }
}


.buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1px;
    background-color: var(--color-buttons-background);
}

button {
    flex: 1 1 0;
    border: 0;
    box-shadow: none;
    cursor: pointer;
    height: 40px;
    flex-basis: 55px;
    transition: all 0.2s ease-in-out;
    background-color: var(--color-button-background);
    color: var(--color-button);
    outline: none;
    border: none;
    transition: background-color 0.2s ease;
}

button:focus-visible {
    border-bottom: 1px solid var(--color-button-border-focus-visible);
}

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

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


#bt-generate-password {
    flex: 7;
    flex-basis: auto;
}

.output {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 0.8rem;
    overflow-y: auto;
    color: var(--color-output);
    outline: none;
}

#password-output {
    overflow: auto;
    white-space: pre;
    height: 100%;
    font-size: larger;
    font-family: monospace;
    outline:none;
}

@media (max-width:768px) {
    .symbols-row input[type=text] {
        padding: 3px 0;
        margin: 0 3px;
        font-size: 1em;
        letter-spacing: 0.1em;
    }

    #bt-generate-password {
        flex-basis: 100%;
    }

    .range-group input[type=range]::-webkit-slider-thumb {
        border-width: 1.5px;
    }
    
    .range-group input[type=range]::-moz-range-thumb {
        border-width: 1.5px;
    }
}


@media (prefers-color-scheme: dark) {
    button {
        background-image: none;
    }
}