/* Sonic Rift uses the full width and an overlay navigation drawer. */
      #sonic-rift-page[hidden],
      #sonic-menu-toggle[hidden] {
        display: none !important;
      }
      body.sonic-rift .site-layout {
        max-width: none;
        gap: 0;
      }
      body.sonic-rift .content-area {
        max-width: none;
        width: 100%;
      }
      body.sonic-rift .slideshow {
        display: none !important;
      }
      body.sonic-rift .sidebar {
        position: fixed;
        z-index: 1100;
        top: 0;
        bottom: 0;
        left: 0;
        box-sizing: border-box;
        width: min(calc(var(--menu-width) + 56px), 90vw);
        padding: 70px 28px 28px;
        overflow-y: auto;
        margin: 0;
        background: rgba(255, 255, 255, 0.88);
        backdrop-filter: blur(7px);
        transform: translateX(-100%);
        transition: transform 220ms ease;
      }
      body.sonic-rift .sidebar:hover,
      body.sonic-rift .sidebar:focus-within,
      body.sonic-rift.menu-open .sidebar {
        transform: translateX(0);
      }
      #sonic-menu-toggle {
        position: fixed;
        z-index: 1200;
        top: 44%;
        left: 0;
        font: inherit;
        writing-mode: vertical-rl;
        padding: 12px 4px;
        background: rgba(255, 255, 255, 0.88);
        border: 1px solid #999;
      }
      .sonic-triptych {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 14px;
      }
      .sonic-channel {
        margin: 0;
        min-width: 0;
      }
      .sonic-channel video {
        display: block;
        width: 100%;
        aspect-ratio: 16/9;
        object-fit: contain;
        background: #111;
      }
      .sonic-channel figcaption {
        margin-top: 10px;
        font-size: 14px;
        text-align: right;
      }
      #sonic-video-backdrop {
        position: fixed;
        inset: 0;
        z-index: 1300;
        background: rgba(255, 255, 255, 0.96);
      }
      #sonic-video-close {
        position: fixed;
        top: 16px;
        right: 20px;
        z-index: 1500;
        font: inherit;
        padding: 4px 8px;
        border: 1px solid black;
        background: white;
      }
      #sonic-video-backdrop[hidden],
      #sonic-video-close[hidden] {
        display: none;
      }
      .sonic-channel.is-expanded {
        position: fixed;
        z-index: 1400;
        inset: 65px 5vw 40px;
        display: flex;
        flex-direction: column;
        justify-content: center;
      }
      .sonic-channel.is-expanded video {
        max-height: calc(100vh - 145px);
        min-height: 0;
        object-fit: contain;
      }
      .sonic-channel.is-expanded figcaption {
        flex-shrink: 0;
      }
      .sonic-channel-placeholder {
        min-width: 0;
      }
      .sonic-channel:focus-visible {
        outline: 1px solid #a02673;
        outline-offset: 5px;
      }
      .sonic-channel.is-audible figcaption {
        color: #a02673;
      }
      #sonic-rift-page {
        padding-top: max(28px, calc(28vh - 138px));
      }
      .sonic-controls {
        display: flex;
        gap: 14px;
        align-items: center;
        flex-wrap: wrap;
        margin: 0 0 18px;
        font-size: 14px;
      }
      .sonic-controls button {
        font: inherit;
        background: white;
        border: 1px solid black;
        padding: 4px 8px;
      }
      #sonic-status {
        font-size: 14px;
      }
      #sonic-status:empty {
        display: none;
      }
      .sonic-description {
        margin: 28px 0 calc(24px + 1.4em);
      }
      .sonic-collaborator { text-decoration: none; cursor: pointer !important; }
      .sonic-collaborator:hover,
      .sonic-collaborator:focus-visible { color: #0000ee; }
      .sonic-statement-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 36px;
        align-items: stretch;
      }
      .sonic-statement {
        font-family: "Garamond", Georgia, serif;
        font-size: 18px;
        line-height: 1.5;
      }
      .sonic-statement p {
        margin: 0 0 18px;
      }
      .sonic-statement p:last-child {
        margin-bottom: 0;
      }
      .sonic-diagram {
        position: relative;
        min-width: 0;
        margin: 0;
      }
      .sonic-diagram img {
        position: absolute;
        inset: 0;
        display: block;
        width: 100%;
        height: 100%;
        object-fit: contain;
        object-position: center top;
      }
      @media (max-width: 750px) {
        .sonic-statement-layout {
          grid-template-columns: minmax(0, 1fr);
          gap: 24px;
        }
        .sonic-diagram img {
          position: static;
          height: auto;
        }
      }
      @media (max-width: 750px) {
        body.sonic-rift {
          margin: 22px 14px;
        }
        .sonic-triptych {
          gap: 6px;
        }
        .sonic-channel figcaption {
          font-size: 14px;
        }
      }
      @media (prefers-reduced-motion: reduce) {
        body.sonic-rift .sidebar {
          transition: none;
        }
      }

body.sonic-rift .site-shell { max-width: none; }

.sonic-channel,
.sonic-channel video {
  cursor: pointer !important;
}
#sonic-video-navigation[hidden] { display: none; }
#sonic-video-navigation {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1500;
  display: flex;
  gap: 8px;
}
#sonic-video-navigation button {
  font: inherit;
  background: white;
  border: 1px solid black;
  padding: 4px 8px;
  white-space: nowrap;
  cursor: pointer !important;
}
.sonic-channel.is-expanded { bottom: 70px; }
.sonic-channel.is-expanded video { max-height: calc(100vh - 175px); }

.sonic-radio-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
  margin: 0 0 18px;
}
.sonic-instructions { grid-column: 1 / 3; }
.sonic-instructions .sonic-controls { margin-bottom: 0; }
.sonic-instructions #sonic-sound-note { margin-bottom: 0; }
.sonic-radio {
  grid-column: 3;
  justify-self: end;
  position: relative;
  width: min(250px, 100%);
  aspect-ratio: 250 / 124;
  color: #222;
  container-type: inline-size;
}
.sonic-radio-drawing { display: block; width: 100%; height: 100%; }
#sonic-radio-display {
  position: absolute;
  left: 34%;
  top: 46%;
  width: 41%;
  text-align: center;
  font-size: clamp(9px, 5.6cqw, 14px);
  line-height: 1.5;
  white-space: nowrap;
}
.sonic-tuner-buttons {
  position: absolute;
  left: 80%;
  top: 42%;
  width: 12%;
  height: 42%;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.sonic-tuner-buttons button {
  flex: 1;
  min-height: 0;
  border: 1px solid #222;
  border-radius: 2px 4px 3px 2px;
  padding: 0;
  background: #faf9f5;
  font: inherit;
  font-size: clamp(10px, 6.4cqw, 16px);
  line-height: 1;
  cursor: pointer !important;
}
.sonic-tuner-buttons button:hover { background: #e9e6df; }
.sonic-tuner-buttons button:focus-visible { outline: 2px solid #c72828; outline-offset: 2px; }
@media (max-width: 750px) {
  .sonic-radio-row { gap: 6px; }
}