* {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}

:root {
    --stats-top-panel-height: 8%;
    --beat-profile-plot-height: 15%;
    --button-row-height: 15%;
    --border-color: #303030;
    --bg-color: rgb(22, 22, 22);
    --bg-color-light: #242424;
    --text-hint: #747474;
    --text-secondary: #c5c5c5;
}

html {
    height: -webkit-fill-available;
    user-select: none;
    -webkit-user-select: none
}

.beat-plot-container {
    flex: 0 0 62%;
    width: 100%;
    display: flex;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.beat-plot-zoom-button {
    position: absolute;
    width: 2.8rem;
    height: 2.8rem;
    border: none;
    background-color: rgba(80, 80, 80, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s;
    z-index: 10;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

@media (hover: hover) {
    .beat-plot-zoom-button:hover {
        background-color: rgba(120, 120, 120, 0.5);
    }
}

.beat-plot-zoom-button:active {
    background-color: rgba(150, 150, 150, 0.6);
}

/* Y subdivision buttons (vertical pair at top-right) */
#y-plus-button {
    top: 0.4rem;
    right: 0.4rem;
}

#y-minus-button {
    top: 3rem;
    right: 0.4rem;
}

/* X subdivision buttons (horizontal pair at bottom-right) */
#x-minus-button {
    bottom: 0.4rem;
    right: 3rem;
}

#x-plus-button {
    bottom: 0.4rem;
    right: 0.4rem;
}

canvas {
    display: flex;
    flex: 0 0 auto;
    border: none;
    /* border: 1px solid black; */
    width: 100%;
    height: 100%
}


/* Nested splits */

.node {
    display: flex;
    border: none;
    /* border: 1px solid black; */
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.horizontal {
    flex-direction: column;
}

.vertical {
    flex-direction: row;
}

.child {
    flex-grow: 1;
    min-height: 0;
    min-width: 0;
    position: relative;
    height: 100%;
    width: 100%
}

.top-panel-field {
    width: auto;
    display: flex;
    align-items: center;
    justify-content: center
}

.auto-height {
    height: auto;
}


.leaf {
    border: 1px solid var(--border-color);
}

/* --- */

body {
    overflow: hidden;
    font-family: Gauge, sans-serif;
    background: #fff;
    margin: 0;
    height: 100dvh; 
    min-height: -webkit-fill-available;
    color: white; /* text color */
    border: none;
    background-color: var(--bg-color);
}

/* Stats top panel */

.stats-top-panel {
    flex: 0 0 var(--stats-top-panel-height);
    justify-content: space-around;
    align-items: center;
    min-height: 10px;
    font-size: 1rem;
    background: var(--bg-color-light);
    text-align: center;
    min-width: 6ch; /* Adjust based on expected digit count */
}

.bold {
    font-weight: bold;
}


/* Beat profile panel */

.beat-profile-panel {
    flex: 0 0 var(--beat-profile-plot-height);
    height: var(--beat-profile-plot-height);
    width: auto;
}

/* Buttons */

.button-row {
    flex: 0 0 var(--button-row-height);
}

.button-row button {
    appearance: none;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
    background: var(--bg-color-light);
    color: white;
}

.button-row button:active {
    background-size: 6vh;
}

.button-row button svg {
    scale: 200%;
}

.button-row button:active svg {
    scale: 220%;
}

.button-row .recording-active svg {
    color: red;
}

.button-row .autodetection-active svg {
    color: green;
}



/* settings menu */



.settings-menu {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-color-light);
    color: var(--text-muted);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    z-index: 1000;
    width: 90%;
    max-width: 400px;
    font-family: sans-serif;
}

.settings-menu-content {
    padding: 20px;
    position: relative;
}
.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 2px solid var(--border-color);
    cursor: pointer;
    touch-action: manipulation;
}
.settings-item:last-child {
    border-bottom: none;
}
.settings-item:hover {
    background: rgba(255,255,255,0.05);
}
.label {
    font-weight: bold;
    flex-grow: 1;
    font-size: 16px;
}
.value {
    color: var(--text-secondary);
    margin-right: 15px;
    font-size: 16px;
}
.arrow {
    color: var(--text-secondary);
    font-size: 14px;
}
.close-set-btn {
    position: absolute;
    top: 5px;
    right: 10px;
    background: transparent;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: #c5c5c5;
}

/* adopted from the shared stylesheets for widgets */


.title {
font-size: 18px;
text-align: center;
margin-bottom: 20px;
}
.value-display {
min-width: 7ch;
font-variant-numeric: tabular-nums;
font-size: 36px;
text-align: center;
margin: 20px 0;
}
.value-display.swipe-to-set {
cursor: ns-resize;
user-select: none;
padding: 20px;
border: 2px dashed transparent;
border-radius: 8px;
}
.value-display.swipe-to-set:hover {
border-color: var(--border-color);
}
.option {
background: none;
border: none;
padding: 12px;
cursor: pointer;
text-align: center;
touch-action: manipulation;
font-size: 14px;
user-select: none;
color: var(--text-secondary);
min-width: 170px; /* ensure enough height */
}
.text-left-align {
text-align: left !important;
}

.option:hover {
background: var(--bg-hover);
}

.option.selected {
background: none;
border-color: var(--border-color);
color: var(--text-primary);
}

.back-btn {
background: none;
color: var(--text-primary);
border: none;
padding: 10px;
cursor: pointer;
font-size: 12px;
width: 100%;
margin-top: 20px;
touch-action: manipulation;
}

.widget {
background: var(--bg-color-light);
border: 2px solid var(--border-color);
border-radius: 8px;
padding: 20px;
width: 90%;
max-width: 350px;
box-shadow: 0 0 15px var(--shadow);
font-family: sans-serif;
}

.drag-hint {
text-align: center;

font-size: 14px;
color: var(--text-hint);
margin: 10px 0;
}

.beat-rate-detection-notifier {
background: var(--bg-color-light);
font-family: sans-serif;
text-align: center;
border: 2px solid var(--border-color);
border-radius: 8px;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
z-index: 1001;
display: none;
padding: 2%;
}

.beat-rate-detection-notifier div {
    text-align: center;
}