/* Viewing and listening controls shared by the audiovisual studies. */
html.experience-page { overflow-x: hidden; overflow-y: auto; }
.listening-space {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}
.landing-study .landing-experiment { padding-top: 40px; padding-bottom: 48px; }
.landing-study .visual-container { width: min(64vmin, 760px); }
.landing-study .visual-container:focus-visible { outline: 1px solid #899aa5; outline-offset: 4px; }

.study-caption {
    margin: 0;
    font-size: 9px;
    font-weight: normal;
    letter-spacing: .24em;
    color: #a7a7a7;
    text-align: center;
}

.interaction-cue {
    position: absolute;
    bottom: 16px;
    left: 0;
    right: 0;
    z-index: 3;
    margin: 0;
    pointer-events: none;
    font-size: 9px;
    line-height: 1.6;
    letter-spacing: .2em;
    text-align: center;
    text-shadow: 0 1px 8px #000;
    transition: opacity .6s ease;
}

.has-interacted .interaction-cue { opacity: 0; }
html[data-motion="off"] .interaction-cue { visibility: hidden; }
html[data-motion="off"] .visual-canvas { opacity: 0; visibility: hidden; }
html[data-motion="off"] .visual-container { touch-action: pan-y pinch-zoom; }

.experience-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px 18px;
    flex-wrap: wrap;
    max-width: 100%;
}

.experience-button {
    min-height: 44px;
    padding: 10px 6px;
    border: 0;
    background: transparent;
    color: #c9c9c9;
    cursor: pointer;
    font-size: 9px;
    letter-spacing: .16em;
    transition: color .25s ease;
}

.experience-button:hover { color: #fff; }
.experience-button[aria-pressed="true"] { color: #fff; }
.experience-button[data-sound] { min-width: 156px; }
.experience-button:disabled { opacity: .65; cursor: default; }
.experience-button[data-sound]:disabled { cursor: progress; }
.experience-button:focus-visible,
.experience-volume input:focus-visible {
    outline: 1px solid #eee;
    outline-offset: 4px;
}

.experience-volume {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    color: #a7a7a7;
    font-size: 8px;
    letter-spacing: .12em;
}

.experience-volume input {
    width: 70px;
    height: 32px;
    margin: 0;
    accent-color: #fff;
    cursor: pointer;
}
.experience-volume output { min-width: 30px; }

/* The original compact player, with larger touch targets. */
.compact-player { display: flex; align-items: center; justify-content: center; gap: 9px; max-width: 100%; }
.compact-player .player-button,
.compact-player .sound-button {
    width: 44px; min-width: 44px; height: 44px; padding: 0;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-family: Arial, Helvetica, sans-serif; font-size: 12px; letter-spacing: 0;
    -webkit-tap-highlight-color: transparent;
}
.compact-player .volume-slider {
    width: 90px; height: 44px; margin: 0;
    appearance: none; -webkit-appearance: none; background: transparent; cursor: pointer;
}
.compact-player .volume-slider::-webkit-slider-runnable-track { height: 1px; background: rgb(255 255 255 / .35); }
.compact-player .volume-slider::-webkit-slider-thumb {
    width: 9px; height: 9px; margin-top: -4px; border-radius: 50%;
    appearance: none; -webkit-appearance: none; background: #fff;
}
.compact-player .volume-slider::-moz-range-track { height: 1px; background: rgb(255 255 255 / .35); }
.compact-player .volume-slider::-moz-range-thumb { width: 9px; height: 9px; border: 0; border-radius: 50%; background: #fff; }
.compact-player .volume-percent { min-width: 36px; color: #fff; font-family: Arial, Helvetica, sans-serif; font-size: 11px; text-align: right; }
.compact-player .volume-slider:focus-visible { outline: 1px solid #eee; outline-offset: 4px; }
.landing-study .experience-controls { margin-top: -12px; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

body.listening-mode { overflow: hidden; }
.listening-space.is-immersive,
.listening-space:fullscreen {
    position: fixed;
    inset: 0;
    z-index: 4500;
    width: 100%;
    height: 100dvh;
    padding: 24px;
    justify-content: center;
    gap: 18px;
    background: #050505;
    overflow: auto;
}
.listening-space.is-immersive .visual-container,
.listening-space:fullscreen .visual-container {
    flex: 0 0 auto;
    width: min(76dvh, calc(100vw - 48px));
    max-width: 100%;
}
.landing-study .listening-space.is-immersive .visual-container,
.landing-study .listening-space:fullscreen .visual-container {
    width: min(calc(100dvh - 180px), calc(100vw - 48px));
}

.experience-info {
    width: min(480px, calc(100vw - 32px));
    max-height: calc(100dvh - 48px);
    padding: 28px;
    border: 1px solid #333;
    background: #080808;
    color: #eee;
    overflow: auto;
}
.experience-info::backdrop { background: rgb(0 0 0 / .8); }
.info-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.info-heading h2 { font-size: 14px; line-height: 1.5; letter-spacing: .16em; }
.info-number { margin: 0 0 16px; color: #999; font-size: 9px; letter-spacing: .22em; }
.experience-info p:not(.info-number) {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 1.8;
    color: #bbb;
}
.experience-info dl { margin-top: 28px; }
.experience-info dt { font-size: 9px; letter-spacing: .18em; color: #888; }
.experience-info dd { margin: 8px 0 20px; font-size: 11px; line-height: 1.6; letter-spacing: .08em; }
.info-modifier { width: 100%; margin-top: 8px; padding: 18px 0 4px; border-top: 1px solid #333; text-align: left; }
.info-modifier[aria-pressed="true"] { color: #b8f4d6; }

/* The generative field has its own wider stage. */
body.field-study { height: auto; min-height: 100dvh; overflow: auto; }
.field-study .experiment-main {
    flex: 1;
    padding: 40px 16px 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.field-study .visual-container { width: min(100%, 960px); max-width: calc(100vw - 48px); aspect-ratio: 16 / 10; height: auto; }
.field-study .visual-media { width: 100%; height: 100%; }
.field-study .study-caption { font-size: 12px; letter-spacing: .18em; }
.field-surface:focus-visible { outline: 1px solid #899aa5; outline-offset: 4px; }
.field-study .listening-space.is-immersive .visual-container,
.field-study .listening-space:fullscreen .visual-container {
    width: min(calc(100vw - 48px), calc((100dvh - 180px) * 1.6));
}

@media (max-width: 750px) {
    .landing-study .site-header { padding: 18px 16px 10px; }
    .landing-study .site-logo { margin-bottom: 8px; }
    .landing-study .site-nav { gap: 4px 18px; }
    .experience-controls { gap: 0 14px; max-width: 370px; }
    .experience-button { font-size: 8px; }
    .study-caption { font-size: 8px; }
    .landing-study .visual-container { width: min(calc(100vw - 24px), 620px); }
    .field-study .visual-container { width: min(calc(100vw - 32px), 620px); aspect-ratio: 1; }
    .field-study .experiment-main { padding-top: 32px; }
    .listening-space.is-immersive,
    .listening-space:fullscreen { padding: 12px; gap: 12px; }
    .listening-space.is-immersive .visual-container,
    .listening-space:fullscreen .visual-container {
        width: min(calc(100dvh - 200px), calc(100vw - 24px));
    }
    .field-study .listening-space.is-immersive .visual-container,
    .field-study .listening-space:fullscreen .visual-container {
        width: min(calc(100dvh - 230px), calc(100vw - 24px));
    }
}

@media (prefers-reduced-motion: reduce) {
    .interaction-cue, .experience-button { transition: none; }
}