html {
    /* Отключает двойной тап по экрану */
    touch-action: manipulation;
}

.kalimba-container {
    display: flex;
    flex-direction: row;
    align-items: top;
    user-select: none;
    touch-action: none;
}

/* Для телефонов */
@media (min-width: 0px) {
    .kalimba-container {
        /* Отступы между между клавишами */
        justify-content: space-evenly;
    }
}

/* Для ПК */
@media (min-width: 768px) {
    .kalimba-container {
        justify-content: center;
    }
}

.key-zone {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    overflow: hidden;

}

.key {
    /* background-color: #038a58; */
    /* border-color: #038a58; */
    width: 100%;
    height: 100%;
    /* margin: 2px; */

    border: none;
    border: solid;
    border-width: 2px;
    border-radius: 4px 4px 20px 20px;

    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    overflow: hidden;

    --primary-bg: color-mix(in hsl, var(--primary), #000000 3%);
    border-color: var(--primary-bg);
    background-color: var(--primary-bg);
}



/* Для телефонов */
@media (min-width: 0px) {
    .key {
        margin: 2px;
    }

    .key-zone {
        width: 50px;
        padding: 2px;
    }
}

/* Для ПК */
@media (min-width: 768px) {
    .key {
        margin: 5px;
    }

    .key-zone {
        width: 50px;
        padding: 5px;
    }
}

.note-text {
    /* background: linear-gradient(#06ca82, #039761); */
    /* color: #b5ffff; */

    font-size: large;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    line-height: 1em;

    width: 100%;
    height: 100%;
    display: flex;
    border-radius: 4px 4px 4px 4px;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding-bottom: 10px;
    margin-bottom: 40px;
    white-space: pre-wrap;
}

.note-text {
    --primary-gradient: color-mix(in hsl, var(--primary), #ffffff 10%);
    background: linear-gradient(var(--primary), var(--primary-gradient));
    color: var(--primary-inverse);
}

.key-click {
    animation: shake2 1s;
    transform: translate3d(0, 0, 0);
    perspective: 1000px;
}

.kalimba-container {
    margin-top: 0.3em;
    margin-bottom: 0.3em;
}

.note-keyboard-key {
    flex-grow: 1;
    padding: 5px;
    font-size: 0.8em;
    font-style: italic;
    color: rgba(0, 0, 0, 0.5);
}

.note-letter {
    margin-top: 0.3em;
    margin-bottom: 0.3em;
}

.note-letter sub {
    font-size: x-small;
    font-weight: normal;
}

.kb_container {
  display: flex;
  flex-direction: column;
  text-align: center;
  max-width: 648px;
  font-weight: bold;
  padding-top: 8px;
  margin: auto;
}

.kb_row {
    display: flex;
    justify-content: space-between;
}

.kb_key {
    padding: 5px;
    text-align: center;
    display: inline-block;
    white-space: nowrap;
    border: var(--border-width) solid var(--form-element-border-color);
    background-color: var(--form-element-background-color);
    border-radius: var(--border-radius);
    margin: 2px 2px 0 0;
    width: 0px;
}

.used {
    background: var(--primary);
    color: var(--primary-inverse);
}

@media (max-width: 767px) {
    .kb_container {
        font-size: 0.8em;
    }
    .kb_key {
        padding: 3px;
    }
}
@media (max-width: 480px) {
    .kb_container {
        font-size: 0.5em;
    }
}

select {
    margin-bottom: 0px;
}


@media (min-width: 768px) {
    /* @media (min-width: 992px) { */
    .option-volume {
        width: 32%;
        display: inline-block;
        margin-right: 1.2%;
    }
    .option-baseNote {
        width: 32%;
        display: inline-block;
        margin-right: 1.2%;
    }
    .option-keys {
        width: 32%;
        display: inline-block;
    }
    .option-soundfonts {
        width: 48%;
        margin-right: 3%;
        display: inline-block;
    }
    .option-localization {
        width: 48%;
        display: inline-block;
    }
}


@media (min-width: 575px) and (max-width: 767px) {
    .option-baseNote {
        width: 48%;
        display: inline-block;
        margin-right: 3%;
    }
    .option-keys {
        width: 48%;
        display: inline-block;
    }
    .option-soundfonts {
        width: 48%;
        margin-right: 3%;
        display: inline-block;
    }
    .option-localization {
        width: 48%;
        display: inline-block;
    }
}
@media (min-width: 768px) {
    .option-arrangement {
        display: flex;
    }
}

#range-volume {
    margin-bottom: 0px;
}
#range-baseNote {
    margin-bottom: 0px;
}
#range-keys {
    margin-bottom: 0px;
}

@keyframes shake2 {
    /*
        Вибрация построена на основе следующей формулы
        f(x) = (-0.093*x + 0,0927) * COS(100*x) * 1.2^(-10*x) 
        https://www.desmos.com/calculator/aorly47ttb 
    */
    0% {transform: translate3d(0.093em, 0, 0);}
    4% {transform: translate3d(-0.085em, 0, 0);}
    8% {transform: translate3d(0.077em, 0, 0);}
    12% {transform: translate3d(-0.071em, 0, 0);}
    16% {transform: translate3d(0.064em, 0, 0);}
    20% {transform: translate3d(-0.059em, 0, 0);}
    24% {transform: translate3d(0.053em, 0, 0);}
    28% {transform: translate3d(-0.048em, 0, 0);}
    32% {transform: translate3d(0.044em, 0, 0);}
    36% {transform: translate3d(-0.04em, 0, 0);}
    40% {transform: translate3d(0.036em, 0, 0);}
    44% {transform: translate3d(-0.032em, 0, 0);}
    48% {transform: translate3d(0.029em, 0, 0);}
    52% {transform: translate3d(-0.026em, 0, 0);}
    56% {transform: translate3d(0.023em, 0, 0);}
    60% {transform: translate3d(-0.021em, 0, 0);}
    64% {transform: translate3d(0.018em, 0, 0);}
    68% {transform: translate3d(-0.016em, 0, 0);}
    72% {transform: translate3d(0.014em, 0, 0);}
    76% {transform: translate3d(-0.013em, 0, 0);}
    80% {transform: translate3d(0.011em, 0, 0);}
    84% {transform: translate3d(-0.009em, 0, 0);}
    88% {transform: translate3d(0.008em, 0, 0);}
    92% {transform: translate3d(-0.007em, 0, 0);}
    96% {transform: translate3d(0.006em, 0, 0);}
    100% {transform: translate3d(-0.005em, 0, 0);}
}

input[type=range][orient=vertical] {
    writing-mode: vertical-lr;
    width: 16px;
    height: 48px;
    margin-top: 2px;
    margin-bottom: 4px;
}

/* Настраиваем трек в Chrome, Opera, Safari, Edge */
input[type=range][orient=vertical]::-webkit-slider-runnable-track {
    width: 5px;
}

/* Настраиваем трек в Mozilla Firefox */
input[type=range][orient=vertical]::-moz-range-track {
    /* В Firefox высота трека отличается от других браузеров */
    height: auto;
    width: 5px;
}

/* Настраиваем ползунок в Chrome, Opera, Safari, Edge */
input[type=range][orient=vertical]::-webkit-slider-thumb {
    height: 23px;
    width: 23px;
    margin: 0 0 0 -9px;
}

/* Настраиваем ползунок в Firefox (он там почему то больше) */
input[type=range][orient=vertical]::-moz-range-thumb {
    height: 19px;
    width: 19px;
    margin: 0 0 0 -3px;
}

/* Меняем фон всех ползунков на текущий цвет темы */
input[type=range]::-moz-range-thumb {
    background: var(--primary);
}

input[type=range]::-webkit-slider-thumb {
    background: var(--primary);
}

.tune-label {
    display: flex;
    flex-direction: column;
    min-width: 40px;
    align-items: center;
}

@media (max-width: 991px) {
    .tune-label {
        min-width: 30px;
    }
}

.tune-field {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
}

/* Стиль для режима "Полный экран" */
.fullscreen {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    --color: var(--primary-inverse);
    height: -webkit-fill-available;
    margin: 0;
    margin-bottom: var(--spacing);
    padding: 3vh;
}

/* ** ** ** ** ** ** ** ** ** ** ** */
/* ** ПАНЕЛЬ КНОПОК ПОД КАЛИМБОЙ ** */
/* ** ** ** ** ** ** ** ** ** ** ** */

/* Блок с кнопками под калимбой */
.buttons-container {
    margin-top: 1em;
    display: flex;
    height: 100%;
    justify-content: center;
    align-items: flex-end;
}

.buttons-container .button {
    position: relative;
    overflow: hidden;
    background: var(--primary);
    padding: 0;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 0.5em;
}

.icon {
    width: 30px;
    position: absolute;
}

.loader {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--primary);
    --anim-load-duration: 2s;
    opacity: 0;
}

.anim-spin .loader {
    opacity: 1;
    animation: spin var(--anim-load-duration) linear infinite;
}

.anim-load .loader circle {
    animation: dash var(--anim-load-duration) linear infinite;
}

.anim-load .loader {
    opacity: 1;
    transform: rotate(-90deg);
}

@keyframes spin {
    100% { transform: rotate(360deg);}
}

@keyframes dash {
    0% { stroke-dashoffset: 100; }
    100% { stroke-dashoffset: 0; }
}


/* ** ** ** ** ** ** ** ** ** ** ** */
/* ** ** ** ** ** ** ** ** ** ** ** */

/* Online Tools Matrix visual skin: CSS-only, original JS/DOM behavior untouched. */
body {
    background: #f5f7fb;
}

body > main.container {
    max-width: min(1240px, calc(100vw - 24px));
    padding-block: clamp(10px, 2vw, 22px);
}

body > main.container > header.container {
    padding: 0;
}

header hgroup {
    margin-bottom: .65rem;
}

header h1 {
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    letter-spacing: 0;
}

#main-container {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(18px, 2.6vw, 30px) clamp(12px, 2vw, 24px) 14px;
    border: 1px solid #e3e8ef;
    border-radius: 22px;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 12px 30px rgba(15,23,42,.075);
}

#main-container::before,
#main-container::after {
    display: none;
}

.kalimba-container {
    position: relative;
    z-index: 2;
    min-height: clamp(230px, 28vw, 320px);
    padding-top: 6px;
    margin: 0;
}

.key-zone {
    overflow: visible;
    filter: drop-shadow(0 6px 8px rgba(15,23,42,.14));
}

.key {
    position: relative;
    border-width: 1px;
    border-color: #cbd5e1;
    border-radius: 10px 10px 14px 14px;
    background:
        linear-gradient(90deg, rgba(255,255,255,.82), rgba(203,213,225,.58) 22%, rgba(248,250,252,.9) 50%, rgba(148,163,184,.48) 82%, rgba(255,255,255,.78)),
        linear-gradient(180deg, #f8fafc, #dbe3ee 52%, #9aa8ba);
    box-shadow:
        inset 0 7px 11px rgba(255,255,255,.34),
        inset 0 -10px 14px rgba(15,23,42,.15),
        0 2px 0 rgba(100,116,139,.36);
    color: #0f172a;
    transform-origin: 50% 14%;
}

.key::before {
    content: "";
    position: absolute;
    inset: 0 42%;
    border-radius: 999px;
    background: rgba(255,255,255,.28);
    pointer-events: none;
}

.note-text {
    position: relative;
    z-index: 1;
    height: 100%;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-radius: 10px 10px 14px 14px;
    background: transparent;
    color: #0f172a;
    text-shadow: 0 1px 0 rgba(255,255,255,.55);
}

.note-keyboard-key {
    flex-grow: 1;
    align-self: stretch;
    padding-top: 8px;
    color: rgba(15,23,42,.55);
    font-size: .72em;
    font-style: normal;
}

.note-number,
.note-letter {
    font-weight: 900;
}

.key-click {
    animation: kalimba-pluck .18s ease-out;
}

@keyframes kalimba-pluck {
    0% { transform: translateY(0) rotateX(0); }
    38% { transform: translateY(5px) rotateX(7deg); }
    72% { transform: translateY(-2px) rotateX(-3deg); }
    100% { transform: translateY(0) rotateX(0); }
}

.buttons-container {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 14px -14px -14px;
    padding: 12px;
    border-top: 1px solid #dfe4ec;
    background: #f8fafc;
}

.buttons-container .button {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    box-shadow: none;
}

#options article {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .75rem;
}

#options h2,
.option-tune,
.option-keyboard褋ontrol,
.option-kb_container {
    grid-column: 1 / -1;
}

#options fieldset {
    min-width: 0;
    margin: 0;
    padding: .8rem;
    border: 1px solid var(--form-element-border-color);
    border-radius: 12px;
    background: color-mix(in srgb, var(--card-background-color), transparent 4%);
}

#options label {
    margin-bottom: 0;
}

.option-arrangement,
.option-labeltype,
#keyboard_schemes {
    display: flex !important;
    flex-wrap: wrap;
    gap: .45rem .85rem;
    align-items: center;
}

.tune-field {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .65rem;
}

.tune-label {
    min-width: 0;
    padding: .55rem .35rem;
    border: 1px solid var(--form-element-border-color);
    border-radius: 10px;
    background: var(--form-element-background-color);
}

input[type=range][orient=vertical] {
    height: 58px;
}

.kb_container {
    max-width: min(100%, 760px);
    padding: .75rem;
    border: 1px solid var(--form-element-border-color);
    border-radius: 12px;
    background: var(--form-element-background-color);
    overflow: hidden;
}

.kb_row {
    gap: 3px;
}

.kb_key {
    min-height: 30px;
    border-radius: 7px;
    box-shadow: inset 0 -2px 0 rgba(15,23,42,.08);
}

.used {
    box-shadow: inset 0 -2px 0 rgba(15,23,42,.18), 0 0 0 2px color-mix(in srgb, var(--primary), transparent 72%);
}

footer {
    margin-top: 1rem;
}

@media (max-width: 991px) {
    #options article {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tune-field {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    body > main.container {
        max-width: calc(100vw - 14px);
    }

    #main-container {
        padding-inline: 7px;
        padding-top: 24px;
        border-radius: 28px;
    }

    #main-container::before {
        left: 8%;
        right: 8%;
        top: 44px;
        height: 14px;
    }

    #main-container::after {
        display: none;
    }

    .kalimba-container {
        min-height: 286px;
        padding-top: 18px;
        gap: 2px;
        justify-content: center;
    }

    .key-zone {
        flex: 1 1 clamp(12px, 5vw, 28px);
        width: auto;
        min-width: 12px;
        max-width: 34px;
        padding: 1px;
    }

    .key {
        margin: 0;
        min-width: 10px;
        border-radius: 8px 8px 13px 13px;
    }

    .note-text {
        margin-bottom: 10px;
        padding-bottom: 8px;
        font-size: clamp(.58rem, 2.4vw, .8rem);
    }

    .note-keyboard-key {
        padding-top: 6px;
        font-size: .68em;
    }

    #options article {
        grid-template-columns: 1fr;
        gap: .6rem;
    }

    #options fieldset {
        padding: .7rem;
    }

    .tune-field {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .kb_container {
        padding: .45rem;
    }
}

@media (max-width: 420px) {
    .tune-field {
        grid-template-columns: 1fr;
    }
}

@media (orientation: landscape) and (max-height: 540px) {
    body > main.container {
        padding-block: 6px;
    }

    header hgroup {
        margin-bottom: .25rem;
    }

    #main-container {
        padding-top: 18px;
    }

    .kalimba-container {
        min-height: 230px;
        padding-top: 10px;
    }
}

/* Online Tools Matrix embed shell: visual-only overrides, original JS stays untouched. */
.online-kalimba-page .kalimba-app {
    width: 100%;
    max-width: 100% !important;
    padding: 0 !important;
    background: transparent !important;
}

.online-kalimba-page .kalimba-app > header.container,
.online-kalimba-page .kalimba-app > footer,
.online-kalimba-page .theme-switcher,
.online-kalimba-page .option-localization {
    display: none !important;
}

#main-container {
    margin: 0;
}

#options article,
.online-kalimba-page .kalimba-app > section > article {
    box-shadow: none;
}

#options {
    margin-top: 1rem;
}

#options article {
    border: 1px solid rgba(148, 163, 184, .28);
    border-radius: 18px;
    background: color-mix(in srgb, var(--card-background-color), transparent 2%);
}

.record-buttons .button,
.buttons-container .button,
#options button,
#options input[type=button],
#options input[type=reset] {
    border-radius: 11px;
}

@media (max-width: 767px) {
    body > main.container {
        max-width: 100% !important;
    }
}

/* Final scoped options system. Visual only; upstream controls, ids and events stay intact. */
body[data-tool="virtual-kalimba"] {
    --otm-primary: #2563eb;
    --otm-primary-soft: #dbeafe;
    --otm-text: #0f172a;
    --otm-muted: #64748b;
    --otm-line: #e5e7eb;
    --otm-panel: #ffffff;
    --otm-control: #f8fafc;
    --otm-focus: rgba(37, 99, 235, .22);
    --primary: var(--otm-primary);
    --primary-hover: #1d4ed8;
    --primary-inverse: #ffffff;
    --card-background-color: var(--otm-panel);
    --form-element-background-color: var(--otm-control);
    --form-element-border-color: var(--otm-line);
    --muted-color: var(--otm-muted);
    --border-radius: 12px;
    --border-width: 1px;
    --spacing: 1rem;
    font-family: Arial, system-ui, sans-serif;
    color: var(--otm-text);
    line-height: 1.45;
    overflow-y: visible;
}

body[data-tool="virtual-kalimba"] > main.container {
    height: auto !important;
    max-height: none !important;
    min-height: 0 !important;
    overflow-y: visible !important;
}

body[data-tool="virtual-kalimba"] #options {
    margin-top: 16px;
}

body[data-tool="virtual-kalimba"] main > section:first-of-type {
    margin-bottom: 24px;
}

body[data-tool="virtual-kalimba"] #options article {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    color: var(--otm-text);
    font-size: 15px !important;
}

body[data-tool="virtual-kalimba"] #options h2 {
    margin: 0 0 18px !important;
    color: var(--otm-text);
    font-size: 26px !important;
    font-weight: 700 !important;
    line-height: 1.25;
}

body[data-tool="virtual-kalimba"] .options-panel {
    margin: 0 0 22px;
    padding: 22px;
    border: 1px solid #e3e8ef;
    border-radius: 20px;
    background: var(--otm-panel);
    box-shadow: 0 10px 28px rgba(15, 23, 42, .06);
}

body[data-tool="virtual-kalimba"] .options-panel-title {
    margin: 0 0 16px;
    color: var(--otm-text);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
}

body[data-tool="virtual-kalimba"] .options-panel-basic {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

body[data-tool="virtual-kalimba"] .options-panel-basic .options-panel-title,
body[data-tool="virtual-kalimba"] .options-panel-tune .options-panel-title,
body[data-tool="virtual-kalimba"] .options-panel-performance .options-panel-title,
body[data-tool="virtual-kalimba"] .options-panel-keyboard .options-panel-title {
    grid-column: 1 / -1;
}

body[data-tool="virtual-kalimba"] .options-panel-performance {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
}

body[data-tool="virtual-kalimba"] #options fieldset {
    min-width: 0;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

body[data-tool="virtual-kalimba"] #options legend,
body[data-tool="virtual-kalimba"] .option-tune > label,
body[data-tool="virtual-kalimba"] .option-soundfonts > label,
body[data-tool="virtual-kalimba"] #keyboard_control > legend {
    display: block;
    margin: 0 0 12px !important;
    color: var(--otm-text);
    font-size: 17px !important;
    font-weight: 600 !important;
    line-height: 1.4;
}

body[data-tool="virtual-kalimba"] #options label,
body[data-tool="virtual-kalimba"] #options select {
    color: var(--otm-text);
    font-size: 15px !important;
    font-weight: 500 !important;
    line-height: 1.45;
}

body[data-tool="virtual-kalimba"] #options small {
    color: var(--otm-muted);
    font-size: 14px !important;
    font-weight: 400 !important;
    line-height: 1.55;
}

body[data-tool="virtual-kalimba"] .option-volume,
body[data-tool="virtual-kalimba"] .option-baseNote,
body[data-tool="virtual-kalimba"] .option-keys,
body[data-tool="virtual-kalimba"] .option-arrangement,
body[data-tool="virtual-kalimba"] .option-labeltype,
body[data-tool="virtual-kalimba"] .option-soundfonts {
    display: block !important;
    width: auto !important;
}

body[data-tool="virtual-kalimba"] .option-localization {
    display: none !important;
}

body[data-tool="virtual-kalimba"] .option-volume label,
body[data-tool="virtual-kalimba"] .option-baseNote label,
body[data-tool="virtual-kalimba"] .option-keys label {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    width: 100%;
    gap: 8px;
    margin: 0;
}

body[data-tool="virtual-kalimba"] #range-volume-value,
body[data-tool="virtual-kalimba"] #range-baseNote-value,
body[data-tool="virtual-kalimba"] #range-keys-value {
    color: var(--otm-text);
    font-size: 16px !important;
    font-weight: 600 !important;
}

body[data-tool="virtual-kalimba"] #range-volume,
body[data-tool="virtual-kalimba"] #range-baseNote,
body[data-tool="virtual-kalimba"] #range-keys {
    display: block;
    flex: 0 0 100%;
    width: 100%;
    height: 20px;
    margin: 8px 0 0 !important;
    accent-color: var(--otm-primary);
}

body[data-tool="virtual-kalimba"] input[type=range]::-webkit-slider-runnable-track {
    height: 4px;
    border-radius: 999px;
    background: var(--otm-line);
}

body[data-tool="virtual-kalimba"] input[type=range]::-moz-range-track {
    height: 4px;
    border-radius: 999px;
    background: var(--otm-line);
}

body[data-tool="virtual-kalimba"] input[type=range]::-webkit-slider-thumb {
    width: 20px;
    height: 20px;
    margin-top: -8px;
    background: var(--otm-primary);
}

body[data-tool="virtual-kalimba"] input[type=range]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--otm-primary);
}

body[data-tool="virtual-kalimba"] input[type=range]:focus-visible,
body[data-tool="virtual-kalimba"] input[type=radio]:focus-visible,
body[data-tool="virtual-kalimba"] select:focus-visible {
    outline: 3px solid var(--otm-focus);
    outline-offset: 2px;
}

body[data-tool="virtual-kalimba"] .option-tune,
body[data-tool="virtual-kalimba"] #keyboard_control,
body[data-tool="virtual-kalimba"] .option-kb_container {
    width: 100% !important;
}

body[data-tool="virtual-kalimba"] .tune-field {
    display: flex !important;
    flex-flow: row nowrap !important;
    justify-content: center !important;
    gap: 8px !important;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 0 8px;
    scrollbar-width: thin;
}

body[data-tool="virtual-kalimba"] .tune-label {
    display: flex !important;
    flex: 0 0 36px;
    flex-direction: column !important;
    align-items: center !important;
    min-width: 36px !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    color: var(--otm-muted);
    font-size: 14px !important;
    font-weight: 500 !important;
    line-height: 1.2;
}

body[data-tool="virtual-kalimba"] #options .tune-label {
    font-size: 14px !important;
    font-weight: 500 !important;
}

body[data-tool="virtual-kalimba"] .tune-label input[type=range][orient=vertical] {
    writing-mode: vertical-lr !important;
    width: 16px !important;
    height: 64px !important;
    margin: 0 0 8px !important;
}

body[data-tool="virtual-kalimba"] .tune-label input[type=range][orient=vertical]::-webkit-slider-runnable-track {
    width: 4px !important;
    height: auto !important;
}

body[data-tool="virtual-kalimba"] .tune-label input[type=range][orient=vertical]::-moz-range-track {
    width: 4px !important;
    height: auto !important;
}

body[data-tool="virtual-kalimba"] .option-arrangement,
body[data-tool="virtual-kalimba"] .option-labeltype,
body[data-tool="virtual-kalimba"] #keyboard_schemes {
    display: flex !important;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 20px !important;
}

body[data-tool="virtual-kalimba"] .option-arrangement legend,
body[data-tool="virtual-kalimba"] .option-labeltype legend,
body[data-tool="virtual-kalimba"] #keyboard_control legend {
    flex: 0 0 100%;
}

body[data-tool="virtual-kalimba"] .option-arrangement label,
body[data-tool="virtual-kalimba"] .option-labeltype label,
body[data-tool="virtual-kalimba"] #keyboard_schemes label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    white-space: nowrap;
}

body[data-tool="virtual-kalimba"] input[type=radio] {
    width: 20px;
    height: 20px;
    margin: 0;
    accent-color: var(--otm-primary);
}

body[data-tool="virtual-kalimba"] #soundfonts {
    width: 100%;
    height: 42px;
    min-height: 42px;
    padding-block: 6px;
    border-color: var(--otm-line);
    border-radius: 10px;
    color: var(--otm-text);
    background-color: var(--otm-control);
    font-size: 15px !important;
}

body[data-tool="virtual-kalimba"] #keyboard_control {
    display: block !important;
    padding-top: 0 !important;
    border-top: 0 !important;
}

body[data-tool="virtual-kalimba"] #keyboard_control small {
    display: block;
    margin-top: 12px;
}

body[data-tool="virtual-kalimba"] .option-kb_container {
    max-width: 100%;
    margin: 0 !important;
    padding: 0 !important;
}

body[data-tool="virtual-kalimba"] .kb_container {
    max-width: min(100%, 960px) !important;
    margin: 16px auto 0;
    padding: 10px !important;
    overflow-x: auto;
    border: 1px solid var(--otm-line) !important;
    border-radius: 12px;
    background: transparent !important;
    font-size: 13px !important;
    font-weight: 600 !important;
}

body[data-tool="virtual-kalimba"] .kb_row {
    gap: 4px !important;
}

body[data-tool="virtual-kalimba"] .kb_key {
    min-height: 38px !important;
    padding: 4px 6px !important;
    border: 1px solid var(--otm-line) !important;
    border-radius: 7px !important;
    background: var(--otm-control) !important;
    color: var(--otm-text);
    font-size: 13px !important;
    font-weight: 600 !important;
    box-shadow: none !important;
}

body[data-tool="virtual-kalimba"] .kb_key.used,
body[data-tool="virtual-kalimba"] .kb_key.active {
    border-color: var(--otm-primary) !important;
    background: var(--otm-primary) !important;
    color: #fff !important;
}

@media (max-width: 1024px) {
    body[data-tool="virtual-kalimba"] .options-panel-basic,
    body[data-tool="virtual-kalimba"] .options-panel-performance {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    body[data-tool="virtual-kalimba"] .tune-field {
        justify-content: flex-start !important;
    }
}

@media (max-width: 640px) {
    body[data-tool="virtual-kalimba"] .options-panel-basic,
    body[data-tool="virtual-kalimba"] .options-panel-performance {
        grid-template-columns: 1fr;
    }

    body[data-tool="virtual-kalimba"] .options-panel {
        gap: 24px !important;
        padding: 16px !important;
        font-size: 15px !important;
    }

    body[data-tool="virtual-kalimba"] #options h2 {
        font-size: 22px !important;
    }

    body[data-tool="virtual-kalimba"] .kb_container {
        margin-inline: 0;
    }
}

@media (prefers-color-scheme: dark) {
    body[data-tool="virtual-kalimba"] {
        --otm-text: #e5e7eb;
        --otm-muted: #94a3b8;
        --otm-line: rgba(148, 163, 184, .26);
        --otm-panel: rgba(15, 23, 42, .78);
        --otm-control: rgba(15, 23, 42, .42);
    }
}

/* Astro integration polish: keep site shell, restore kalimba-local control proportions. */
.online-kalimba-page {
    --kalimba-primary: var(--otm-primary, #2563eb);
    --kalimba-primary-hover: #1d4ed8;
    --kalimba-text: var(--otm-text, #0f172a);
    --kalimba-muted: var(--otm-muted, #64748b);
    --kalimba-line: var(--otm-line, #e3e8ef);
    --kalimba-panel: var(--otm-panel, #ffffff);
    --kalimba-soft: var(--otm-control, #f8fafc);
}

.online-kalimba-page .kalimba-app > section {
    padding: 22px clamp(18px, 2vw, 26px) 26px;
}

.online-kalimba-page #main-container {
    padding: clamp(18px, 2.2vw, 26px) clamp(12px, 1.8vw, 22px) 0;
    border: 1px solid var(--kalimba-line);
    border-radius: 22px;
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 14px 34px rgba(15, 23, 42, .08);
}

.online-kalimba-page .kalimba-container {
    min-height: clamp(230px, 26vw, 318px);
}

.online-kalimba-page .buttons-container {
    margin: 16px calc(clamp(12px, 1.8vw, 22px) * -1) 0;
    padding: 12px;
    border-top: 1px solid var(--kalimba-line);
    background: linear-gradient(180deg, #ffffff, #f8fafc);
}

.online-kalimba-page .record-buttons .button,
.online-kalimba-page .buttons-container .button {
    inline-size: 44px;
    block-size: 44px;
    min-inline-size: 44px;
    min-block-size: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(37, 99, 235, .18);
    border-radius: 13px;
    background: var(--kalimba-primary);
    color: #fff;
    box-shadow: 0 8px 18px rgba(37, 99, 235, .18);
    cursor: pointer;
}

.online-kalimba-page .record-buttons .button:hover,
.online-kalimba-page .buttons-container .button:hover {
    background: var(--kalimba-primary-hover);
    transform: translateY(-1px);
}

.online-kalimba-page .record-buttons .button svg,
.online-kalimba-page .buttons-container .button svg {
    inline-size: 22px;
    block-size: 22px;
    fill: currentColor;
}

.online-kalimba-page #options {
    margin-top: 28px;
    padding: 0;
}

.online-kalimba-page #options h2 {
    margin: 0 0 18px;
    padding-inline: 2px;
    font-size: clamp(22px, 2vw, 26px);
    font-weight: 700;
    line-height: 1.25;
}

.online-kalimba-page .options-panel {
    margin-block-end: 24px;
    padding: clamp(18px, 1.8vw, 22px);
    border: 1px solid var(--kalimba-line);
    border-radius: 18px;
    background: var(--kalimba-panel);
    box-shadow: 0 10px 26px rgba(15, 23, 42, .055);
}

.online-kalimba-page .options-panel-basic {
    gap: 18px 22px;
}

.online-kalimba-page .options-panel-title {
    margin-block-end: 14px;
    color: var(--kalimba-text);
    font-size: 17px;
    font-weight: 650;
    line-height: 1.35;
}

.online-kalimba-page #options legend,
.online-kalimba-page .option-tune > label,
.online-kalimba-page .option-soundfonts > label,
.online-kalimba-page #keyboard_control > legend {
    margin-block-end: 10px;
    color: var(--kalimba-text);
    font-size: 16px;
    font-weight: 600;
}

.online-kalimba-page #options label,
.online-kalimba-page #options select {
    color: var(--kalimba-text);
    font-size: 15px;
    font-weight: 500;
}

.online-kalimba-page .option-volume label,
.online-kalimba-page .option-baseNote label,
.online-kalimba-page .option-keys label {
    row-gap: 7px;
}

.online-kalimba-page #range-volume-value,
.online-kalimba-page #range-baseNote-value,
.online-kalimba-page #range-keys-value {
    font-size: 15px;
    font-weight: 650;
}

.online-kalimba-page input[type="range"] {
    appearance: none;
    -webkit-appearance: none;
    border: 0;
    background: transparent;
}

.online-kalimba-page #range-volume,
.online-kalimba-page #range-baseNote,
.online-kalimba-page #range-keys {
    height: 22px;
    margin-top: 6px;
}

.online-kalimba-page input[type="range"]::-webkit-slider-runnable-track {
    height: 5px;
    border: 0;
    border-radius: 999px;
    background: #dce5f0;
}

.online-kalimba-page input[type="range"]::-moz-range-track {
    height: 5px;
    border: 0;
    border-radius: 999px;
    background: #dce5f0;
}

.online-kalimba-page input[type="range"]::-moz-range-progress {
    height: 5px;
    border-radius: 999px;
    background: var(--kalimba-primary);
}

.online-kalimba-page input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    margin-top: -6.5px;
    border: 3px solid #fff;
    border-radius: 999px;
    background: var(--kalimba-primary);
    box-shadow: 0 3px 9px rgba(37, 99, 235, .28);
}

.online-kalimba-page input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border: 3px solid #fff;
    border-radius: 999px;
    background: var(--kalimba-primary);
    box-shadow: 0 3px 9px rgba(37, 99, 235, .28);
}

.online-kalimba-page input[type="radio"] {
    inline-size: 18px;
    block-size: 18px;
    accent-color: var(--kalimba-primary);
}

.online-kalimba-page #soundfonts {
    height: 40px;
    min-height: 40px;
    border: 1px solid var(--kalimba-line);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 1px 0 rgba(15, 23, 42, .02);
}

.online-kalimba-page .tune-field {
    padding-bottom: 6px;
}

.online-kalimba-page .tune-label input[type=range][orient=vertical] {
    height: 62px;
}

.online-kalimba-page .kb_container {
    border-color: var(--kalimba-line);
    background: #f8fafc;
}

@media (max-width: 640px) {
    .online-kalimba-page .kalimba-app > section {
        padding: 14px 10px 18px;
    }

    .online-kalimba-page #options {
        margin-top: 22px;
    }

    .online-kalimba-page .options-panel {
        padding: 16px;
        margin-block-end: 18px;
    }
}
/* ** ** ** ** ** ** ** ** ** ** ** */