/*
 * capture.css — additions for the capture client.
 *
 * Layers on demo.css rather than duplicating it, so the tray, stage and sheet
 * behave identically in both — including the stacking-context rule that keeps
 * the tray clickable, which was expensive to learn once.
 */

.pill {
  font: 600 10.5px/1 ui-monospace, Consolas, monospace;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}
.pill.is-warn { color: var(--warn); border-color: var(--warn); }

/* A brief flash confirms a photograph was taken. On a phone in daylight the
   shutter animation alone is easy to miss, and a contributor who is unsure
   whether the shot happened will take it again. */
.shot-flash {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
}
.shot-flash.is-firing { animation: flash .22s ease-out; }
@keyframes flash { from { opacity: .75; } to { opacity: 0; } }

.steady-pill {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: 999px;
  font: 600 11.5px/1 ui-monospace, Consolas, monospace;
  background: rgba(5, 8, 12, .8);
  border: 1px solid var(--line);
  color: var(--muted);
  backdrop-filter: blur(6px);
}
.steady-pill.is-steady { color: var(--ok); border-color: var(--ok); }

/*
 * The instruction must clear the sheet's peek. The sheet is positioned against
 * the tray, so its top sits SHEET_PEEK above the stage bottom — the offset is
 * that peek plus a margin, not something derived from the tray height.
 *
 * A half-visible instruction is worse than none: it reads as a broken layout
 * rather than as guidance, and guidance nobody trusts is guidance nobody
 * follows. Kept as a variable so the two cannot drift apart.
 */
:root { --sheet-peek: 132px; }

@media (max-width: 900px), (max-height: 560px) {
  /*
   * Anchor to the sheet, not to the stage.
   *
   * The sheet's top edge sits SHEET_PEEK above the tray, and the stage bottom
   * IS the tray top — so clearing the sheet means offsetting by the peek plus a
   * margin. Deriving it from the tray height was wrong by exactly the peek,
   * which put the pill 45px underneath the sheet: visible enough to look
   * deliberate, clipped enough to be unreadable.
   */
  .instruction { bottom: calc(var(--sheet-peek) + 12px); }

  /*
   * Cap the instruction at three lines.
   *
   * The rubric's guidance strings are written to be complete rather than
   * short — "Keep orbiting. Then raise the camera and orbit again from above,
   * and once from below — one circle at eye level leaves the top and underside
   * unrecorded." is 150 characters and wraps to six lines on a phone, which is
   * both a wall of text over the viewfinder and tall enough to collide with
   * the sheet.
   *
   * The clamp goes on the SPAN, not the pill: -webkit-line-clamp needs the
   * element to be the -webkit-box itself, and putting it on the pill left the
   * flex/padding box a different height from the clamped text, so a fourth
   * line painted outside the rounded border. max-height is belt and braces,
   * because a clamp that silently fails is a layout that silently breaks.
   *
   * Somebody walking backwards around a plinth reads the first line. The full
   * text stays available in the sheet, under the dimension it belongs to.
   */
  .instruction {
    max-width: min(94%, 420px);
    font-size: 12.5px;
    line-height: 1.32;
    max-height: calc(3 * 1.32em + 20px);
    overflow: hidden;
    padding: 10px 16px;
  }
  .instruction > span {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

.shutter { position: relative; display: grid; place-items: center; }
.shutter.is-armed { background: var(--ok); }
.shutter.is-busy { background: var(--accent); }
.shutter-count {
  font: 700 19px/1 ui-monospace, Consolas, monospace;
  color: #0d1117;
}

.field {
  display: block;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12.5px;
}
.field input, .field select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--text);
  /* 16px stops iOS zooming the page when a field takes focus. */
  font-size: 16px;
}
.field input[type="number"] { width: auto; display: inline-block; }

.check {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 10px;
  font-size: 13px;
  cursor: pointer;
}
.check input { width: 18px; height: 18px; accent-color: var(--accent); }

.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
.btn {
  padding: 9px 12px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font: 600 12.5px/1 -apple-system, system-ui, sans-serif;
  cursor: pointer;
}
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-ghost { background: transparent; }
.btn.is-on { border-color: var(--ok); color: var(--ok); }

.seg { display: flex; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.seg-btn {
  flex: 1;
  padding: 9px;
  background: transparent;
  border: 0;
  color: var(--muted);
  font: 600 12.5px/1 ui-monospace, Consolas, monospace;
  cursor: pointer;
}
.seg-btn.is-on { background: var(--panel-2); color: var(--accent); }

.platform {
  font: 600 11.5px/1.5 ui-monospace, Consolas, monospace;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--muted);
  margin-bottom: 10px;
}
.platform.is-primary { color: var(--ok); border-color: var(--ok); }
.platform.is-reduced { color: var(--warn); border-color: var(--warn); }

.cam-state {
  font: 11px/1.6 ui-monospace, Consolas, monospace;
  color: var(--muted);
  word-break: break-word;
}

.session-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.session-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}
.session-item:hover { border-color: var(--accent); }
.session-item.is-current { border-color: var(--accent); background: rgba(0, 229, 255, .07); }
.session-item .meta { color: var(--muted); font-family: ui-monospace, Consolas, monospace; font-size: 11px; }

.sheet-grip { display: none; }
.panel-scroll { min-height: 0; }

@media (max-width: 900px), (max-height: 560px) {
  .panel { padding: 0; display: flex; flex-direction: column; }
  .panel::before { content: none; }

  /* A real grip, so the sheet can be dragged rather than only tapped. */
  .sheet-grip {
    display: flex;
    justify-content: center;
    padding: 10px 0 8px;
    flex: 0 0 auto;
    cursor: grab;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
  }
  .sheet-handle {
    width: 40px;
    height: 4px;
    border-radius: 999px;
    background: var(--muted);
    opacity: .55;
  }
  .panel-scroll {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 12px 14px 20px;
  }
  /* Peek shows the summary; the grip is always reachable. */
  .panel { transform: translateY(calc(100% - var(--sheet-peek))); }
  .panel.is-open { transform: translateY(0); }
}