@charset "UTF-8";

@font-face {
    font-family: 'Calculator';
    src: url('/assets/fonts/Calculator/Calculator.ttf') format('truetype');
    font-display: block;
}

/* Most important Bootstrap styles for preload */
.form-control, .form-select, body {
    background-color: var(--bs-body-bg)
}

.btn, img, svg {
    vertical-align: middle
}

.btn, [type=button]:not(:disabled), [type=reset]:not(:disabled), [type=submit]:not(:disabled), button:not(:disabled) {
    cursor: pointer
}

:root, [data-bs-theme=light] {
    --bs-blue: #0d6efd;
    --bs-indigo: #6610f2;
    --bs-purple: #6f42c1;
    --bs-pink: #d63384;
    --bs-red: #dc3545;
    --bs-orange: #fd7e14;
    --bs-yellow: #ffc107;
    --bs-green: #198754;
    --bs-teal: #20c997;
    --bs-cyan: #0dcaf0;
    --bs-black: #000;
    --bs-white: #fff;
    --bs-gray: #6c757d;
    --bs-gray-dark: #343a40;
    --bs-gray-100: #f8f9fa;
    --bs-gray-200: #e9ecef;
    --bs-gray-300: #dee2e6;
    --bs-gray-400: #ced4da;
    --bs-gray-500: #adb5bd;
    --bs-gray-600: #6c757d;
    --bs-gray-700: #495057;
    --bs-gray-800: #343a40;
    --bs-gray-900: #212529;
    --bs-primary: #0d6efd;
    --bs-secondary: #6c757d;
    --bs-success: #198754;
    --bs-info: #0dcaf0;
    --bs-warning: #ffc107;
    --bs-danger: #dc3545;
    --bs-light: #f8f9fa;
    --bs-dark: #212529;
    --bs-primary-rgb: 13, 110, 253;
    --bs-secondary-rgb: 108, 117, 125;
    --bs-success-rgb: 25, 135, 84;
    --bs-info-rgb: 13, 202, 240;
    --bs-warning-rgb: 255, 193, 7;
    --bs-danger-rgb: 220, 53, 69;
    --bs-light-rgb: 248, 249, 250;
    --bs-dark-rgb: 33, 37, 41;
    --bs-primary-text-emphasis: #052c65;
    --bs-secondary-text-emphasis: #2b2f32;
    --bs-success-text-emphasis: #0a3622;
    --bs-info-text-emphasis: #055160;
    --bs-warning-text-emphasis: #664d03;
    --bs-danger-text-emphasis: #58151c;
    --bs-light-text-emphasis: #495057;
    --bs-dark-text-emphasis: #495057;
    --bs-primary-bg-subtle: #cfe2ff;
    --bs-secondary-bg-subtle: #e2e3e5;
    --bs-success-bg-subtle: #d1e7dd;
    --bs-info-bg-subtle: #cff4fc;
    --bs-warning-bg-subtle: #fff3cd;
    --bs-danger-bg-subtle: #f8d7da;
    --bs-light-bg-subtle: #fcfcfd;
    --bs-dark-bg-subtle: #ced4da;
    --bs-primary-border-subtle: #9ec5fe;
    --bs-secondary-border-subtle: #c4c8cb;
    --bs-success-border-subtle: #a3cfbb;
    --bs-info-border-subtle: #9eeaf9;
    --bs-warning-border-subtle: #ffe69c;
    --bs-danger-border-subtle: #f1aeb5;
    --bs-light-border-subtle: #e9ecef;
    --bs-dark-border-subtle: #adb5bd;
    --bs-white-rgb: 255, 255, 255;
    --bs-black-rgb: 0, 0, 0;
    --bs-font-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --bs-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --bs-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));
    --bs-body-font-family: var(--bs-font-sans-serif);
    --bs-body-font-size: 1rem;
    --bs-body-font-weight: 400;
    --bs-body-line-height: 1.5;
    --bs-body-color: #212529;
    --bs-body-color-rgb: 33, 37, 41;
    --bs-body-bg: #fff;
    --bs-body-bg-rgb: 255, 255, 255;
    --bs-emphasis-color: #000;
    --bs-emphasis-color-rgb: 0, 0, 0;
    --bs-secondary-color: rgba(33, 37, 41, 0.75);
    --bs-secondary-color-rgb: 33, 37, 41;
    --bs-secondary-bg: #e9ecef;
    --bs-secondary-bg-rgb: 233, 236, 239;
    --bs-tertiary-color: rgba(33, 37, 41, 0.5);
    --bs-tertiary-color-rgb: 33, 37, 41;
    --bs-tertiary-bg: #f8f9fa;
    --bs-tertiary-bg-rgb: 248, 249, 250;
    --bs-heading-color: inherit;
    --bs-link-color: #0d6efd;
    --bs-link-color-rgb: 13, 110, 253;
    --bs-link-decoration: underline;
    --bs-link-hover-color: #0a58ca;
    --bs-link-hover-color-rgb: 10, 88, 202;
    --bs-code-color: #d63384;
    --bs-highlight-color: #212529;
    --bs-highlight-bg: #fff3cd;
    --bs-border-width: 1px;
    --bs-border-style: solid;
    --bs-border-color: #dee2e6;
    --bs-border-color-translucent: rgba(0, 0, 0, 0.175);
    --bs-border-radius: 0.375rem;
    --bs-border-radius-sm: 0.25rem;
    --bs-border-radius-lg: 0.5rem;
    --bs-border-radius-xl: 1rem;
    --bs-border-radius-xxl: 2rem;
    --bs-border-radius-2xl: var(--bs-border-radius-xxl);
    --bs-border-radius-pill: 50rem;
    --bs-box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --bs-box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --bs-box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --bs-box-shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.075);
    --bs-focus-ring-width: 0.25rem;
    --bs-focus-ring-opacity: 0.25;
    --bs-focus-ring-color: rgba(13, 110, 253, 0.25);
    --bs-form-valid-color: #198754;
    --bs-form-valid-border-color: #198754;
    --bs-form-invalid-color: #dc3545;
    --bs-form-invalid-border-color: #dc3545
}

*, ::after, ::before {
    box-sizing: border-box
}

@media (prefers-reduced-motion: no-preference) {
    :root {
        scroll-behavior: smooth
    }
}

body {
    margin: 0;
    font-family: var(--bs-body-font-family), sans-serif;
    font-size: var(--bs-body-font-size);
    font-weight: var(--bs-body-font-weight);
    line-height: var(--bs-body-line-height);
    color: var(--bs-body-color);
    text-align: var(--bs-body-text-align);
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent
}

.h1, .h2, .h3, .h4, .h5, .h6, h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: .5rem;
    font-weight: 500;
    line-height: 1.2;
    color: var(--bs-heading-color)
}

.h1, h1 {
    font-size: calc(1.375rem + 1.5vw)
}

.h2, h2 {
    font-size: calc(1.325rem + .9vw)
}

dl, ol, p, ul {
    margin-top: 0;
    margin-bottom: 1rem
}

.small, small {
    font-size: .875em
}

.form-control, .form-select {
    display: block;
    width: 100%;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    -moz-appearance: none;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
    color: var(--bs-body-color)
}

a {
    color: rgba(var(--bs-link-color-rgb), var(--bs-link-opacity, 1));
    text-decoration: underline
}

label, output {
    display: inline-block
}

output + .badge {
    margin-left: 0.5rem;
    cursor: default;
}

button {
    border-radius: 0
}

button, input, optgroup, select, textarea {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit
}

button, select {
    text-transform: none
}

select {
    word-wrap: normal
}

[type=button], [type=reset], [type=submit], button {
    -webkit-appearance: button
}

::-webkit-inner-spin-button {
    height: auto
}

:root {
    --bs-breakpoint-xs: 0;
    --bs-breakpoint-sm: 576px;
    --bs-breakpoint-md: 768px;
    --bs-breakpoint-lg: 992px;
    --bs-breakpoint-xl: 1200px;
    --bs-breakpoint-xxl: 1400px
}

.form-control {
    padding: .375rem .75rem;
    -webkit-appearance: none;
    appearance: none;
    background-clip: padding-box;
    border: var(--bs-border-width) solid var(--bs-border-color);
    border-radius: var(--bs-border-radius)
}

.form-select {
    --bs-form-select-bg-img: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    padding: .375rem 2.25rem .375rem .75rem;
    -webkit-appearance: none;
    appearance: none;
    background-image: var(--bs-form-select-bg-img), var(--bs-form-select-bg-icon, none);
    background-repeat: no-repeat;
    background-position: right .75rem center;
    background-size: 16px 12px;
    border: var(--bs-border-width) solid var(--bs-border-color);
    border-radius: var(--bs-border-radius)
}

.btn.disabled, .btn:disabled, fieldset:disabled .btn {
    color: var(--bs-btn-disabled-color);
    pointer-events: none;
    background-color: var(--bs-btn-disabled-bg);
    border-color: var(--bs-btn-disabled-border-color);
    opacity: var(--bs-btn-disabled-opacity)
}

.card {
    --bs-card-spacer-y: 1rem;
    --bs-card-spacer-x: 1rem;
    --bs-card-title-spacer-y: 0.5rem;
    --bs-card-title-color: ;
    --bs-card-subtitle-color: ;
    --bs-card-border-width: var(--bs-border-width);
    --bs-card-border-color: var(--bs-border-color-translucent);
    --bs-card-border-radius: var(--bs-border-radius);
    --bs-card-box-shadow: ;
    --bs-card-inner-border-radius: calc(var(--bs-border-radius) - (var(--bs-border-width)));
    --bs-card-cap-padding-y: 0.5rem;
    --bs-card-cap-padding-x: 1rem;
    --bs-card-cap-bg: rgba(var(--bs-body-color-rgb), 0.03);
    --bs-card-cap-color: ;
    --bs-card-height: ;
    --bs-card-color: ;
    --bs-card-bg: var(--bs-body-bg);
    --bs-card-img-overlay-padding: 1rem;
    --bs-card-group-margin: 0.75rem;
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: var(--bs-card-height);
    color: var(--bs-body-color);
    word-wrap: break-word;
    background-color: var(--bs-card-bg);
    background-clip: border-box;
    border: var(--bs-card-border-width) solid var(--bs-card-border-color);
    border-radius: var(--bs-card-border-radius)
}

.btn {
    --bs-btn-padding-x: 0.75rem;
    --bs-btn-padding-y: 0.375rem;
    --bs-btn-font-family: ;
    --bs-btn-font-size: 1rem;
    --bs-btn-font-weight: 400;
    --bs-btn-line-height: 1.5;
    --bs-btn-color: var(--bs-body-color);
    --bs-btn-bg: transparent;
    --bs-btn-border-width: var(--bs-border-width);
    --bs-btn-border-color: transparent;
    --bs-btn-border-radius: var(--bs-border-radius);
    --bs-btn-hover-border-color: transparent;
    --bs-btn-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.075);
    --bs-btn-disabled-opacity: 0.65;
    --bs-btn-focus-box-shadow: 0 0 0 0.25rem rgba(var(--bs-btn-focus-shadow-rgb), .5);
    display: inline-block;
    padding: var(--bs-btn-padding-y) var(--bs-btn-padding-x);
    font-family: var(--bs-btn-font-family);
    font-size: var(--bs-btn-font-size);
    font-weight: var(--bs-btn-font-weight);
    line-height: var(--bs-btn-line-height);
    color: var(--bs-btn-color);
    text-align: center;
    text-decoration: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    border: var(--bs-btn-border-width) solid var(--bs-btn-border-color);
    border-radius: var(--bs-btn-border-radius);
    background-color: var(--bs-btn-bg);
    transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out
}

.visually-hidden, .visually-hidden-focusable:not(:focus):not(:focus-within) {
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important
}

.visually-hidden-focusable:not(:focus):not(:focus-within):not(caption), .visually-hidden:not(caption) {
    position: absolute !important
}

.form-range {
    width: 100%;
    height: 1.5rem;
    padding: 0;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: transparent
}

.form-range:focus {
    outline: 0
}

.form-range:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 1px #fff, 0 0 0 .25rem rgba(13, 110, 253, .25)
}

.form-range:focus::-moz-range-thumb {
    box-shadow: 0 0 0 1px #fff, 0 0 0 .25rem rgba(13, 110, 253, .25)
}

.form-range::-moz-focus-outer {
    border: 0
}

.form-range::-webkit-slider-thumb {
    width: 1rem;
    height: 1rem;
    margin-top: -.25rem;
    -webkit-appearance: none;
    appearance: none;
    background-color: #0d6efd;
    border: 0;
    border-radius: 1rem;
    -webkit-transition: background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
    transition: background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out
}

.form-range::-webkit-slider-thumb:active {
    background-color: #b6d4fe
}

.form-range::-webkit-slider-runnable-track {
    width: 100%;
    height: .5rem;
    color: transparent;
    cursor: pointer;
    background-color: var(--bs-secondary-bg);
    border-color: transparent;
    border-radius: 1rem
}

.form-range::-moz-range-thumb {
    width: 1rem;
    height: 1rem;
    -moz-appearance: none;
    appearance: none;
    background-color: #0d6efd;
    border: 0;
    border-radius: 1rem;
    -moz-transition: background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
    transition: background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out
}

@media (prefers-reduced-motion: reduce) {
    .form-range::-webkit-slider-thumb {
        -webkit-transition: none;
        transition: none
    }

    .form-range::-moz-range-thumb {
        -moz-transition: none;
        transition: none
    }
}

.form-range::-moz-range-thumb:active {
    background-color: #b6d4fe
}

.form-range::-moz-range-track {
    width: 100%;
    height: .5rem;
    color: transparent;
    cursor: pointer;
    background-color: var(--bs-secondary-bg);
    border-color: transparent;
    border-radius: 1rem
}

.form-range:disabled {
    pointer-events: none
}

.form-range:disabled::-webkit-slider-thumb {
    background-color: var(--bs-secondary-color)
}

.form-range:disabled::-moz-range-thumb {
    background-color: var(--bs-secondary-color)
}

.d-flex {
    display: flex !important
}

.flex-fill {
    flex: 1 1 auto !important
}

.flex-row {
    flex-direction: row !important
}

.flex-column {
    flex-direction: column !important
}

.flex-row-reverse {
    flex-direction: row-reverse !important
}

.flex-column-reverse {
    flex-direction: column-reverse !important
}

.flex-grow-0 {
    flex-grow: 0 !important
}

.flex-grow-1 {
    flex-grow: 1 !important
}

.flex-shrink-0 {
    flex-shrink: 0 !important
}

.flex-shrink-1 {
    flex-shrink: 1 !important
}

.flex-wrap {
    flex-wrap: wrap !important
}

.flex-nowrap {
    flex-wrap: nowrap !important
}

.flex-wrap-reverse {
    flex-wrap: wrap-reverse !important
}

.justify-content-start {
    justify-content: flex-start !important
}

.justify-content-end {
    justify-content: flex-end !important
}

.justify-content-center {
    justify-content: center !important
}

.justify-content-between {
    justify-content: space-between !important
}

.justify-content-around {
    justify-content: space-around !important
}

.justify-content-evenly {
    justify-content: space-evenly !important
}

.align-items-start {
    align-items: flex-start !important
}

.align-items-end {
    align-items: flex-end !important
}

.align-items-center {
    align-items: center !important
}

.align-items-baseline {
    align-items: baseline !important
}

.align-items-stretch {
    align-items: stretch !important
}

.align-content-start {
    align-content: flex-start !important
}

.align-content-end {
    align-content: flex-end !important
}

.align-content-center {
    align-content: center !important
}

.align-content-between {
    align-content: space-between !important
}

.align-content-around {
    align-content: space-around !important
}

.align-content-stretch {
    align-content: stretch !important
}

.align-self-auto {
    align-self: auto !important
}

.align-self-start {
    align-self: flex-start !important
}

.align-self-end {
    align-self: flex-end !important
}

.align-self-center {
    align-self: center !important
}

.align-self-baseline {
    align-self: baseline !important
}

.align-self-stretch {
    align-self: stretch !important
}

.mt-0 {
    margin-top: 0 !important
}

.mt-1 {
    margin-top: .25rem !important
}

.mt-2 {
    margin-top: .5rem !important
}

.mt-3 {
    margin-top: 1rem !important
}

.mt-4 {
    margin-top: 1.5rem !important
}

.mt-5 {
    margin-top: 3rem !important
}

.container, .container-fluid, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 0;
    width: 100%;
    padding-right: calc(var(--bs-gutter-x) * .5);
    padding-left: calc(var(--bs-gutter-x) * .5);
    margin-right: auto;
    margin-left: auto
}

@media (min-width: 576px) {
    .container, .container-sm {
        max-width: 540px
    }
}

@media (min-width: 768px) {
    .container, .container-md, .container-sm {
        max-width: 720px
    }
}

@media (min-width: 992px) {
    .container, .container-lg, .container-md, .container-sm {
        max-width: 960px
    }
}

@media (min-width: 1200px) {
    .h1, h1 {
        font-size: 2.5rem
    }

    .h2, h2 {
        font-size: 2rem
    }

    .container, .container-lg, .container-md, .container-sm, .container-xl {
        max-width: 1140px
    }
}

@media (min-width: 1400px) {
    .container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
        max-width: 1320px
    }
}

ol, ul {
    padding-left: 2rem
}

ol ol, ol ul, ul ol, ul ul {
    margin-bottom: 0
}

:root {
    --primary: var(--primary-light);

    --primary-light: #00ff00;
    --primary-dark: #FFBF00;

    --text-color: #e0e0e0;
    --bg-input: #444;
    --bg-panel: #2b2b2b;
    --scope-border-color: #333;
    --panel-border-color: #4a4a4a;
}

.btn.btn-phosphorus {
    background-color: var(--primary);
    color: #333 !important;
    font-weight: 600;
    transition: .13s ease-in-out;
}

:not(.btn-check) + .btn.btn-phosphorus:active, .btn.btn-phosphorus:hover {
    background-color: var(--primary);
    filter: brightness(90%);
}

.grabbing {
    cursor: grabbing !important;
}

a {
    color: var(--primary) !important;
    text-decoration: underline;
    cursor: pointer;
}

.bmc-btn span {
    color: #000 !important;
}

body {
    height: 100%;
    margin: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    min-height: 100vh;
    background-color: #333;
}

p, span, small, strong, b, u, li {
    color: var(--text-color);
}

main {
    -webkit-box-flex: 1;
    flex-grow: 1;
    margin-top: 45px !important;
}

p + h2, h1 + h2, ul + h2, ol + h2, a + h2 {
    margin-top: 42px;
}

li + li {
    margin-top: 14px;
}

.infin {
    font-family: monospace;
    font-weight: normal;
}

output[for="decibel"] {
    width: 123px;
    text-align: end;
}

#logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    font-weight: 600;
}

#f-icon {
    fill: var(--primary);
    max-width: 50px;
}

h1, .h1, h2, .h2, h3, .h3, h4, .h4, h5, .h5, h6, .h6 {
    font-family: 'Calculator', monospace;
    color: var(--primary);
    text-transform: uppercase;
}

/* Badge */

.badge {
    font-size: 12px;
    border: none !important;
}

.badge.badge-primary {
    background-color: var(--primary) !important;
    color: var(--bg-panel);
}

.badge.badge-secondary {
    background-color: var(--bg-input);
    color: var(--text-color);
}

/* Form */

.form-select, .form-control {
    background-color: var(--bg-input);
    color: var(--text-color);
}

.form-select {
    --bs-form-select-bg-img: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23e0e0e0' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

/* Range */

.form-range {
    --thumb-border: 1px solid var(--bg-input);
}

.form-range::-webkit-slider-thumb {
    border: var(--thumb-border);
    background-color: var(--primary);
}

.form-range::-moz-range-thumb {
    border: var(--thumb-border);
    background-color: var(--primary);
}

.form-range::-webkit-slider-thumb:active {
    background-color: var(--primary);
}

.form-range::-moz-range-thumb:active {
    background-color: var(--primary);
}

input[type="range"] {
    cursor: grab;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 15px;
    border-radius: 20px;
}

input[type="range"]::-moz-range-track {
    height: 15px;
    border-radius: 20px;
}

input[type="range"]::-ms-track {
    height: 15px;
    border-radius: 20px;
}

input[type="range"]::-webkit-slider-thumb {
    border: var(--thumb-border);
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    margin-top: -6px;
}

input[type="range"]::-moz-range-thumb {
    border: var(--thumb-border);
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

input[type="range"]::-ms-thumb {
    border: var(--thumb-border);
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

/* Panel */

#panel {
    width: 100%;
    background: var(--bg-panel);
    border: 3px solid var(--panel-border-color);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 8px var(--primary), inset 0 0 8px #1a1a1a;
    position: relative;
}

#info {
    margin-top: 45px;
}

.card {
    padding: 20px;
}

.display {
    font-size: 24px;
    max-height: 60px;
    white-space: nowrap;
}

#play, #stop {
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}

#install {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

#play svg, #stop svg {
    fill: #fff;
}

.display output {
    font-family: 'Calculator', monospace;
    font-size: 40px;
}

/* Oszilloskop */

#scope {
    height: 210px;
    width: 100%;
    padding: 10px 0;
    background: radial-gradient(circle at center, #102, #000 90%);
    border: 2px solid var(--scope-border-color);
    border-radius: 14px;
    position: relative;
    margin-top: 20px;
    overflow: hidden;
}

#scope.on {
    box-shadow: inset 0 0 8px var(--primary);
}

#scope::after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(0, 255, 0, 0.1) 1px, transparent 1px);
    background-size: 100% 4px;
    pointer-events: none;
    position: absolute;
    inset: 0;
}

#scope canvas {
    --beam-color: var(--primary);
    --beam-width: 1.75;
    width: 100%;
    height: 100%;
    margin-left: -2px;
}

/* Footer */

footer {
    background: var(--bg-panel);
    padding: 10px 0;
    text-align: center;
    color: #fff;
    margin-top: 45px;
}

footer a {
    color: var(--text-color) !important;
    text-decoration: underline !important;
}

footer .links a:not(:first-child) {
    margin-left: var(--divider-spacing);
}

footer .links {
    display: flex;
    justify-content: center;
    align-items: center;
    --divider-spacing: 10px;
    font-size: 12px;
}

footer .links a:not(:first-child)::before {
    content: "";
    border-left: 1px solid var(--text-color);
    padding-left: var(--divider-spacing);
}

/* Notenauswahl */

#notes .noteGrid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

#notes .note {
    transition: scale .1s ease-in-out;
}

#notes .note:hover {
    scale: 1.1;
}

/* Akkordeon */

.accordion-item {
    border-color: var(--panel-border-color) !important;
    background: none !important;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23e0e0e0' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 5L8 11L14 5'/%3e%3c/svg%3e") !important;
}

.accordion-button {
    background-color: var(--panel-border-color) !important;
    color: var(--text-color) !important;
    border: none !important;
    box-shadow: none !important;
}

.accordion-body {
    background-color: var(--bg-panel) !important;
}

.accordion-collapse {
    margin-bottom: 2px;
}

.accordion-header > button {
    font-size: 16px;
}

/* Guitar */

#detuneScale {
    background: linear-gradient(to right, red, yellow, green, yellow, red);;
    position: relative;
    --pointer-width: 10px;
    --middle-indicator-width: 1px;
    height: 54px;
    border-radius: 6px;
    overflow: hidden;
}

#detuneScale > div {
    position: absolute;
    left: calc(50% - calc(var(--pointer-width) / 2));
    width: var(--pointer-width);
    background-color: #000;
    transition: left 0.5s ease;
    clip-path: polygon(
            0% 0%,
            100% 0%,
            100% 85%,
            50% 100%,
            0% 85%
    );
    height: 75%;
    top: 0;
    z-index: 99;
}

#detuneScale::after {
    content: "";
    position: absolute;
    left: calc(50% - calc(var(--middle-indicator-width) / 2));
    right: calc(50% - calc(var(--middle-indicator-width) / 2));
    width: var(--middle-indicator-width);
    height: 100%;
    background-color: red;
}

#note span {
    font-size: 26px;
}

/* Responsive */

@media (max-width: 470px) {
    .amplitude {
        flex-direction: column;
    }
}