/* The Drone Zone — day theme (stark black & white, matches lab index) */

:root {
    --black: #000000;
    --white: #ffffff;
    --muted: rgba(0, 0, 0, 0.55);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: var(--mc-vvh, 100svh);
    max-height: var(--mc-vvh, 100svh);
    overflow: hidden;
    overscroll-behavior: none;
}

body.drone-page {
    font-family: Lato, system-ui, -apple-system, sans-serif;
    text-align: center;
    background-color: var(--white);
    color: var(--black);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    min-height: var(--mc-vvh, 100svh);
    height: var(--mc-vvh, 100svh);
    max-height: var(--mc-vvh, 100svh);
    overflow: hidden;
    overscroll-behavior: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.main-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 24px 36px;
    width: 100%;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--white);
    border: 2px solid var(--black);
    border-radius: 0;
    padding: clamp(32px, 6vw, 48px) clamp(28px, 5vw, 40px);
    max-width: 580px;
    width: 100%;
}

#subtitle {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.14em;
    font-weight: 700;
    font-family: "Playfair Display", Georgia, serif;
    color: var(--black);
    margin: 0 0 2px;
}

#title {
    font-family: "Playfair Display", Georgia, serif;
    font-weight: 700;
    font-size: clamp(2rem, 8vw, 2.75rem);
    color: var(--black);
    margin: 0 0 6px;
    letter-spacing: -0.02em;
    line-height: 1.12;
}

#instructions {
    font-size: 14px;
    font-style: italic;
    color: var(--muted);
    margin: 0 0 36px;
    line-height: 1.45;
}

.waveform-container {
    display: flex;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 8px;
    margin-bottom: 8px;
    width: 100%;
}

.waveform-container button {
    padding: 8px 10px;
    font-size: 13px;
    flex: 1 1 0;
    min-width: 0;
    font-family: inherit;
    color: var(--black);
    background-color: var(--white);
    border: 2px solid var(--black);
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease;
}

.waveform-container button:hover {
    background-color: var(--black);
    color: var(--white);
}

.waveform-container button.selected {
    background-color: var(--black);
    color: var(--white);
}

.custom-mix-panel {
    display: grid;
    grid-template-rows: 0fr;
    width: 100%;
    margin: 0;
    padding: 0 16px;
    border: 1px solid transparent;
    pointer-events: none;
    transition:
        grid-template-rows 0.35s ease,
        margin 0.35s ease,
        padding 0.35s ease,
        border-color 0.25s ease;
}

.custom-mix-panel.is-open {
    grid-template-rows: 1fr;
    margin: 12px 0 4px;
    padding: 14px 16px 10px;
    border-color: var(--black);
    pointer-events: auto;
}

.custom-mix-panel > .custom-mix-faders {
    overflow: hidden;
    min-height: 0;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.custom-mix-panel.is-open > .custom-mix-faders {
    opacity: 1;
    transition: opacity 0.28s ease 0.1s;
}

@media (prefers-reduced-motion: reduce) {
    .custom-mix-panel,
    .custom-mix-panel > .custom-mix-faders {
        transition: none;
    }
}

.custom-mix-faders {
    display: flex;
    justify-content: center;
    gap: 18px;
}

.custom-mix-panel .slider-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: auto;
}

.custom-mix-panel .slider-wrapper label {
    font-size: 11px;
    color: var(--black);
    letter-spacing: 0.02em;
}

.custom-mix-panel .mix-fader {
    -webkit-appearance: slider-vertical;
    appearance: slider-vertical;
    width: 28px;
    height: 100px;
    accent-color: var(--black);
    margin: 0;
}

.pitch-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 22px;
    margin-top: 28px;
    padding: 22px 20px;
    border: 1px solid var(--black);
    border-radius: 0;
    width: 220px;
    min-height: 88px;
    height: auto;
}

.pitch-adjustment {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.pitch-adjustment button {
    padding: 3px 10px;
    font-size: 13px;
    line-height: 1.2;
    font-family: inherit;
    color: var(--black);
    background-color: var(--white);
    border: 1px solid var(--black);
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease;
}

.pitch-adjustment button:hover {
    background-color: var(--black);
    color: var(--white);
}

.pitch-adjustment button:active {
    background-color: var(--black);
    color: var(--white);
}

.drone-container {
    display: flex;
    gap: 24px;
}

.drone {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.drone p {
    font-size: 2em;
    margin: 0;
    color: var(--black);
}

.hz-text {
    font-size: 0.75em !important;
    color: var(--muted) !important;
    margin: 5px 0 !important;
}

.hidden {
    display: none;
}

#intonation-adjustment {
    font-size: 0.75em;
    color: var(--muted);
    margin-top: 5px;
}

button.muted,
button.selected {
    background-color: var(--black) !important;
    color: var(--white) !important;
    border-color: var(--black) !important;
}

#mute-root-button,
#mute-fifth-button {
    padding: 3px 10px !important;
    font-size: 11px !important;
    line-height: 1.25;
    border-width: 1px !important;
}

#just-intonation-button {
    display: inline-block;
    margin-top: 20px;
    background-color: var(--white);
    border: 2px solid var(--black);
    color: var(--black);
    padding: 8px 14px;
    font-family: inherit;
    font-size: 14px;
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease;
}

#just-intonation-button:hover {
    background-color: var(--black);
    color: var(--white);
}

#just-intonation-button.selected {
    background-color: var(--black);
    color: var(--white);
}

button {
    padding: 8px 14px;
    font-size: 14px;
    font-family: inherit;
    color: var(--black);
    background-color: var(--white);
    border: 2px solid var(--black);
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease;
}

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

button.selected {
    background-color: var(--black);
    color: var(--white);
}

.volume-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 32px 0 8px;
    flex-wrap: wrap;
    gap: 12px;
}

.play-stop-container {
    margin-right: 20px;
}

#play-stop-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    font-size: 14px;
    font-family: inherit;
    color: var(--black);
    background-color: var(--white);
    border: 2px solid var(--black);
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease;
}

#play-stop-button:hover {
    background-color: var(--black);
    color: var(--white);
}

/* Filled “on” state while drones are sounding */
#play-stop-button.playing {
    background-color: var(--black);
    color: var(--white);
}

#play-stop-button.playing:hover {
    background-color: var(--white);
    color: var(--black);
}

#play-stop-button svg {
    margin-right: 10px;
    fill: currentColor;
}

.volume-slider-wrapper {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border: 1px solid var(--black);
    border-radius: 0;
    gap: 8px;
}

.volume-container label {
    margin-right: 10px;
    font-size: 14px;
    color: var(--black);
}

.volume-container input[type="range"] {
    width: 100px;
    accent-color: var(--black);
}

.slider-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 75px;
}

#feedback {
    font-size: 18px;
    margin-top: 20px;
    color: var(--black);
}

@media (max-width: 600px) {
    .main-container {
        padding: 16px 12px;
    }

    .container {
        max-width: 100%;
    }

    .pitch-container {
        width: 100%;
        max-width: 280px;
        height: auto;
        min-height: 100px;
    }

    .play-stop-container {
        margin-right: 0;
    }
}

button:focus-visible {
    outline: 2px solid var(--black);
    outline-offset: 2px;
}