/* ============================================
   Sonification layout — builds on ../style.css
   ============================================ */
.iot {
    padding-top: calc(var(--spacing-unit) * 20);
    font-variant-numeric: tabular-nums;
}

.iot .section {
    margin-bottom: calc(var(--spacing-unit) * 14);
}

.iot-back {
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--grey-mid);
    text-decoration: none;
    transition: color 0.3s ease;
}

.iot-back:hover {
    color: var(--black);
}

.iot-label {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--grey-light);
}

/* ============================================
   Header
   ============================================ */
.iot-header {
    max-width: 800px;
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.iot-place {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 200;
    letter-spacing: 0.12em;
    line-height: 1;
    color: var(--grey-mid);
    margin: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 2);
}

.iot-clock {
    color: var(--grey-light);
}

.iot-lede {
    font-size: 13px;
    color: var(--grey-mid);
    line-height: 1.6;
    max-width: 520px;
}

.iot-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: calc(var(--spacing-unit) * 3);
    margin-top: calc(var(--spacing-unit) * 4);
}

.iot-start {
    font: inherit;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--white);
    border: 1px solid var(--black);
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    cursor: inherit;
    transition: background 0.3s ease, color 0.3s ease;
}

.iot-start:hover,
.iot-start.is-playing {
    background: var(--black);
    color: var(--white);
}

.iot-start:focus-visible {
    outline: 1px solid var(--black);
    outline-offset: 4px;
}

.iot-status {
    font-size: 12px;
    color: var(--grey-light);
    letter-spacing: 0.05em;
}

.iot-scope {
    display: block;
    width: 100%;
    height: 140px;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.iot-form {
    margin-bottom: calc(var(--spacing-unit) * 14);
}

.iot-form-strip {
    display: block;
    width: 100%;
    height: 48px;
}

.iot-form-legend {
    display: flex;
    justify-content: space-between;
    margin-top: calc(var(--spacing-unit) * 1);
}

/* ============================================
   Sensors
   ============================================ */
.iot-readouts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--grey-border);
}

.iot-readout {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1);
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 3) 0;
    border-bottom: 1px solid var(--grey-border);
    transition: border-color 0.3s ease;
}

.iot-readout:hover {
    border-bottom-color: var(--black);
}

.iot-value {
    font-size: 36px;
    font-weight: 200;
    line-height: 1.1;
    color: var(--black);
}

.iot-value small {
    font-size: 13px;
    color: var(--grey-light);
    margin-left: calc(var(--spacing-unit) * 0.75);
}

.iot-maps {
    font-size: 12px;
    color: var(--grey-mid);
}

.iot-conditions {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--spacing-unit) * 3);
    margin-top: calc(var(--spacing-unit) * 4);
}

.iot-condition {
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--grey-light);
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.iot-condition.is-active {
    color: var(--black);
    border-bottom-color: var(--black);
}

/* ============================================
   Composition
   ============================================ */
.iot-composition {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: calc(var(--spacing-unit) * 6);
}

.iot-plot {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1.5);
}

.iot-plot svg {
    width: 100%;
    height: 260px;
    overflow: visible;
}

.iot-plot text {
    font-size: 11px;
    fill: var(--grey-light);
}

.iot-plot .is-active text,
.iot-plot text.is-active {
    fill: var(--black);
}

.plot-grid {
    stroke: var(--grey-border);
    stroke-width: 1;
}

.plot-curve {
    fill: none;
    stroke: var(--black);
    stroke-width: 1.25;
}

.plot-marker {
    stroke: var(--black);
    stroke-width: 1;
    stroke-dasharray: 2 3;
}

.plot-dot {
    fill: var(--white);
    stroke: var(--grey-light);
    stroke-width: 1;
}

.iot-plot .is-active .plot-dot,
.plot-dot-active {
    fill: var(--black);
    stroke: var(--black);
}

.iot-facts {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 6);
    margin-top: calc(var(--spacing-unit) * 4);
}

.iot-facts > div {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 0.5);
    font-size: 15px;
    font-weight: 300;
    color: var(--black);
}

/* ============================================
   Instruments
   ============================================ */
.iot-instruments {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 6);
}

.iot-instrument-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: calc(var(--spacing-unit) * 2);
    padding-bottom: calc(var(--spacing-unit) * 1.5);
    border-bottom: 1px solid var(--black);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.iot-instrument-wide {
    grid-column: 1 / -1;
}

.iot-roll {
    display: block;
    width: 100%;
    height: 110px;
    margin-top: calc(var(--spacing-unit) * 2);
}

.iot-streams {
    display: flex;
    flex-direction: column;
    margin-top: calc(var(--spacing-unit) * 1);
}

.iot-streams-empty {
    font-size: 12px;
    color: var(--grey-light);
    padding: calc(var(--spacing-unit) * 1) 0;
}

.iot-streams-empty[hidden] {
    display: none;
}

.iot-stream {
    display: grid;
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    padding: calc(var(--spacing-unit) * 1.25) 0;
    border-bottom: 1px solid var(--grey-border);
    font-size: 12px;
    color: var(--grey-mid);
    transition: opacity 0.8s ease;
}

.iot-stream.is-gone {
    opacity: 0;
}

.iot-stream-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.iot-step {
    width: 7px;
    height: 7px;
    border: 1px solid var(--grey-border);
    transition: background 0.4s ease, border-color 0.4s ease;
}

.iot-step.is-hit {
    border-color: var(--grey-light);
}

.iot-step.is-now {
    border-color: var(--black);
}

.iot-step.is-on {
    background: var(--black);
    border-color: var(--black);
    transition: none;
}

.iot-instrument-header h3 {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.iot-loop {
    display: grid;
    grid-template-columns: 24px 64px minmax(0, 1fr) 52px 44px;
    align-items: center;
    gap: calc(var(--spacing-unit) * 1.5);
    font-size: 12px;
    color: var(--grey-mid);
    padding: calc(var(--spacing-unit) * 1) 0;
    border-bottom: 1px solid var(--grey-border);
}

.iot-loop-index {
    color: var(--grey-light);
}

.iot-loop-note {
    color: var(--black);
    white-space: nowrap;
}

.iot-loop-track {
    position: relative;
    height: 9px;
}

.iot-loop-track::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 4px;
    height: 1px;
    background: var(--grey-border);
}

.iot-loop-mark {
    position: absolute;
    top: 3px;
    height: 3px;
    background: var(--grey-light);
    transition: background 0.2s ease;
}

.iot-loop-head {
    position: absolute;
    top: 1px;
    width: 1px;
    height: 7px;
    background: var(--black);
}

.iot-loop.is-on .iot-loop-mark {
    background: var(--black);
}

.iot-loop,
.iot-chime-note {
    transition: opacity 0.6s ease;
}

.iot-loop.is-muted,
.iot-chime.is-muted .iot-chime-note {
    opacity: 0.3;
}

.iot-loop-length,
.iot-loop-duration {
    text-align: right;
}

.iot-chimes {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--grey-border);
    border: 1px solid var(--grey-border);
    margin-top: calc(var(--spacing-unit) * 2);
}

.iot-chime {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1);
    padding: calc(var(--spacing-unit) * 2);
    background: var(--white);
    font-size: 13px;
    color: var(--black);
    transition: background 1.2s ease, color 1.2s ease;
}

.iot-chime.is-on {
    background: var(--black);
    color: var(--white);
    transition: none;
}

.iot-chime-octaves {
    display: flex;
    gap: 4px;
}

.iot-chime-octaves span {
    width: 4px;
    height: 4px;
    background: var(--grey-border);
}

.iot-chime-octaves span.is-active {
    background: currentColor;
}

/* ============================================
   Meters (noise gen + effects)
   ============================================ */
.iot-meters {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    margin-top: calc(var(--spacing-unit) * 1);
}

.iot-meters-wide {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: calc(var(--spacing-unit) * 6);
    border-top: 1px solid var(--grey-border);
    margin-top: 0;
}

.iot-meter {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
    padding: calc(var(--spacing-unit) * 1.5) 0;
    border-bottom: 1px solid var(--grey-border);
    font-size: 12px;
    color: var(--grey-mid);
}

.iot-meter-value {
    color: var(--black);
    text-align: right;
}

.iot-meter-bar {
    grid-column: 1 / -1;
    position: relative;
    height: 1px;
    background: var(--grey-border);
}

.iot-meter-fill {
    position: absolute;
    left: 0;
    top: -1px;
    height: 3px;
    background: var(--black);
    width: 0;
}

.iot-meter-source {
    grid-column: 1 / -1;
    font-size: 11px;
    color: var(--grey-light);
}

/* ============================================
   Mixer
   ============================================ */
.iot-mixer {
    max-width: 640px;
    border-top: 1px solid var(--grey-border);
}

.iot-mixer-row {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr) 48px;
    align-items: center;
    gap: calc(var(--spacing-unit) * 3);
    padding: calc(var(--spacing-unit) * 1.75) 0;
    border-bottom: 1px solid var(--grey-border);
    font-size: 12px;
    color: var(--grey-mid);
}

.iot-mixer-value {
    color: var(--black);
    text-align: right;
}

.iot-mixer-value.is-manual::after {
    content: ' •';
}

.iot-mixer-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 17px;
    background: none;
    cursor: inherit;
}

.iot-mixer-slider::-webkit-slider-runnable-track {
    height: 1px;
    background: var(--grey-light);
}

.iot-mixer-slider::-moz-range-track {
    height: 1px;
    background: var(--grey-light);
}

.iot-mixer-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 9px;
    height: 17px;
    margin-top: -8px;
    background: var(--black);
    border: 0;
}

.iot-mixer-slider::-moz-range-thumb {
    width: 9px;
    height: 17px;
    background: var(--black);
    border: 0;
    border-radius: 0;
}

.iot-mixer-slider:focus-visible {
    outline: 1px solid var(--black);
    outline-offset: 4px;
}

.iot-mixer-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    max-width: 640px;
    margin-top: calc(var(--spacing-unit) * 2);
}

.iot-mixer-reset {
    font: inherit;
    font-size: 12px;
    color: var(--black);
    background: none;
    border: 0;
    border-bottom: 1px solid var(--black);
    padding: 0 0 2px;
    cursor: inherit;
    transition: opacity 0.3s ease;
}

.iot-mixer-reset:hover {
    opacity: 0.6;
}

/* ============================================
   Movement
   ============================================ */
.iot-field {
    display: block;
    width: 100%;
    height: 320px;
    border: 1px solid var(--grey-border);
    touch-action: none;
}

.iot-footer {
    justify-content: space-between;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .iot-instruments,
    .iot-composition {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 768px) {
    .iot {
        padding-top: calc(var(--spacing-unit) * 14);
    }

    .iot-readouts,
    .iot-meters-wide {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .iot-value {
        font-size: 28px;
    }

    .iot-loop {
        grid-template-columns: 18px 56px minmax(0, 1fr) 44px 36px;
        gap: calc(var(--spacing-unit) * 1);
        font-size: 11px;
    }

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

    .iot-stream {
        grid-template-columns: minmax(0, 1fr);
        gap: calc(var(--spacing-unit) * 1);
    }

    .iot-field {
        height: 240px;
    }

    .iot-footer {
        flex-direction: column;
    }
}