:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ink: #18212a;
  --muted: #5c6975;
  --glass: rgba(248, 250, 252, 0.80);
  --line: rgba(25, 35, 45, 0.12);
  --accent: #1677ff;
}
* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: #d8dde3; }
button, input, select { font: inherit; }
#app { position: relative; width: 100%; height: 100%; min-height: 620px; isolation: isolate; background: radial-gradient(circle at 55% 25%, #f3f5f7 0, #dce1e6 42%, #c4cbd2 100%); }
#viewport, #viewport canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#viewport canvas { touch-action: none; }
.hud { position: absolute; z-index: 2; color: var(--ink); }
.hud-left { top: max(24px, env(safe-area-inset-top)); left: max(28px, env(safe-area-inset-left)); pointer-events: none; text-shadow: 0 1px 0 rgba(255,255,255,.55); }
.eyebrow { font-size: 11px; letter-spacing: .18em; font-weight: 800; color: #55626e; margin-bottom: 8px; }
h1 { margin: 0; font-size: clamp(25px, 3vw, 42px); line-height: 1.05; letter-spacing: -.035em; }
.hud-left p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.status-card, .parameter-card { border: 1px solid rgba(255,255,255,.62); border-radius: 18px; background: var(--glass); box-shadow: 0 18px 60px rgba(32, 45, 57, .16); backdrop-filter: blur(18px) saturate(130%); }
.status-card { top: max(24px, env(safe-area-inset-top)); right: max(24px, env(safe-area-inset-right)); width: min(318px, calc(100vw - 48px)); padding: 17px; }
.status-row { display: flex; align-items: center; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.status-dot { width: 9px; height: 9px; border-radius: 50%; transition: background .2s ease, box-shadow .2s ease; }
.status-dot.ready { background: #1677ff; box-shadow: 0 0 0 5px rgba(22,119,255,.12); }
.status-dot.active { background: #12a66a; box-shadow: 0 0 0 5px rgba(18,166,106,.12); }
.status-dot.contact { background: #ff9500; box-shadow: 0 0 0 5px rgba(255,149,0,.14); }
.status-dot.sleeping { background: #6f7c87; box-shadow: 0 0 0 5px rgba(111,124,135,.13); }
dl { margin: 11px 0 14px; display: grid; gap: 7px; }
dl div { display: flex; justify-content: space-between; gap: 14px; font-size: 12px; }
dt { color: #74808a; }
dd { margin: 0; text-align: right; font-weight: 750; font-variant-numeric: tabular-nums; }
.button-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
button { min-height: 38px; border: 1px solid rgba(20,35,50,.12); border-radius: 10px; color: #24313c; background: rgba(255,255,255,.86); cursor: pointer; transition: transform .15s ease, background .15s ease, border-color .15s ease; }
button:hover { transform: translateY(-1px); background: white; border-color: rgba(22,119,255,.38); }
button:active { transform: translateY(0); }
button.primary { color: white; border-color: #1677ff; background: #1677ff; font-weight: 750; }
button.primary:hover { background: #0f68e6; }
button[aria-pressed="true"] { color: white; background: #24313c; }
.wide-button { width: 100%; margin-top: 8px; min-height: 34px; font-size: 11px; }
.parameter-card { left: max(28px, env(safe-area-inset-left)); top: 126px; width: 270px; padding: 15px 16px 13px; }
.panel-heading { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.panel-heading strong { font-size: 13px; }
.panel-heading span { color: #79848e; font-size: 10px; }
.parameter-card label { display: block; margin-top: 11px; }
.parameter-card label > span { display: flex; justify-content: space-between; gap: 10px; color: #697680; font-size: 11px; }
.parameter-card output { color: #24313c; font-weight: 750; font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; margin: 7px 0 0; accent-color: var(--accent); cursor: pointer; }
.test-note { left: max(28px, env(safe-area-inset-left)); bottom: max(26px, env(safe-area-inset-bottom)); width: min(540px, calc(100vw - 56px)); display: grid; grid-template-columns: auto 1fr; gap: 13px; align-items: start; padding: 14px 16px; border-radius: 16px; border: 1px solid rgba(255,255,255,.5); background: rgba(248,250,252,.72); backdrop-filter: blur(15px); box-shadow: 0 14px 45px rgba(31,45,58,.13); pointer-events: none; }
.note-index { display: grid; place-items: center; width: 33px; height: 33px; border-radius: 10px; background: #1f2a33; color: white; font-weight: 800; font-size: 12px; }
.test-note strong { font-size: 13px; }
.test-note p { margin: 4px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.key-help { right: max(28px, env(safe-area-inset-right)); bottom: max(28px, env(safe-area-inset-bottom)); display: flex; gap: 12px; padding: 9px 12px; border-radius: 999px; background: rgba(25,33,41,.72); color: rgba(255,255,255,.9); font-size: 10px; backdrop-filter: blur(12px); pointer-events: none; }
kbd { display: inline-grid; place-items: center; min-width: 22px; height: 18px; padding: 0 5px; margin-right: 4px; border-radius: 5px; background: rgba(255,255,255,.16); font: 700 9px/1 system-ui; }
.loading { position: absolute; inset: 0; z-index: 5; display: flex; align-items: center; justify-content: center; gap: 13px; background: #d9dee3; color: #4e5b67; font-size: 13px; transition: opacity .35s ease; }
.loading.hidden { opacity: 0; pointer-events: none; }
.spinner { width: 23px; height: 23px; border-radius: 50%; border: 2px solid rgba(35,50,63,.16); border-top-color: #263746; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.error-panel { position: absolute; z-index: 8; inset: 50% auto auto 50%; transform: translate(-50%,-50%); width: min(420px, calc(100vw - 40px)); padding: 24px; border-radius: 16px; background: #fff; box-shadow: 0 25px 80px rgba(40,20,20,.25); color: #5b2020; }
.error-panel p { color: #775050; line-height: 1.6; }
@media (max-width: 780px) {
  #app { min-height: 560px; }
  .hud-left { top: 14px; left: 14px; }
  .hud-left p { display: none; }
  .eyebrow { font-size: 9px; margin-bottom: 5px; }
  h1 { font-size: 22px; }
  .status-card { top: 68px; right: 10px; width: 212px; padding: 11px; border-radius: 14px; }
  .status-row { padding-bottom: 8px; }
  dl { gap: 5px; margin: 8px 0 9px; }
  dl div { font-size: 9px; }
  .button-grid { gap: 5px; }
  button { min-height: 31px; font-size: 10px; }
  .parameter-card { left: 10px; top: 68px; width: 158px; padding: 10px; border-radius: 14px; }
  .panel-heading { padding-bottom: 6px; }
  .parameter-card label { margin-top: 6px; }
  .parameter-card label > span { font-size: 8px; }
  input[type="range"] { margin-top: 3px; height: 12px; }
  .test-note { left: 10px; bottom: 10px; width: calc(100vw - 20px); padding: 10px; }
  .test-note p { font-size: 9px; }
  .key-help { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Shared throw, wrist-release and liquid-COM controls */
.status-dot.charging { background: #ff9f0a; box-shadow: 0 0 0 5px rgba(255,159,10,.15); }
.status-dot.release { background: #af52de; box-shadow: 0 0 0 5px rgba(175,82,222,.14); }
.charge-meter { margin: 13px 0 10px; }
.charge-label { display: flex; align-items: center; justify-content: space-between; color: #65717b; font-size: 11px; }
.charge-label strong { color: #1f2b35; font-variant-numeric: tabular-nums; }
.charge-track { height: 9px; margin-top: 7px; overflow: hidden; border-radius: 999px; background: rgba(28,42,54,.11); box-shadow: inset 0 1px 2px rgba(12,24,34,.08); }
.charge-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #22a06b, #ffb020 72%, #ef4444); transition: width .045s linear; }
.charge-button { width: 100%; min-height: 48px; touch-action: none; user-select: none; -webkit-user-select: none; }
.charge-button.charging { background: #e78300; border-color: #e78300; transform: translateY(1px) scale(.995); }
.secondary-actions { margin-top: 8px; }
#viewport canvas { cursor: grab; }
#viewport canvas:active { cursor: grabbing; }
@media (max-width: 780px) {
  .charge-meter { margin: 8px 0 6px; }
  .charge-label { font-size: 8px; }
  .charge-track { height: 6px; margin-top: 4px; }
  .charge-button { min-height: 38px; }
}

/* Shared diagnostics, real-mass calibration and contact visualization */
.status-card { width: min(348px, calc(100vw - 48px)); }
.telemetry { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.telemetry div { display: grid; gap: 2px; min-width: 0; padding: 6px 8px; border-radius: 9px; background: rgba(255,255,255,.48); }
.telemetry dt { font-size: 9px; }
.telemetry dd { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; font-size: 11px; }
.parameter-card { max-height: calc(100vh - 160px); overflow: auto; scrollbar-width: thin; }
.parameter-card label { margin-top: 9px; }
@media (max-width: 780px) {
  .status-card { width: 226px; }
  .telemetry { gap: 4px; }
  .telemetry div { padding: 4px 5px; }
  .telemetry dt { font-size: 7px; }
  .telemetry dd { font-size: 8px; }
  .parameter-card { max-height: calc(100vh - 150px); }
}

/* Upward swipe gesture input */
.gesture-trail {
  position: fixed;
  z-index: 4;
  width: 8px;
  height: 0;
  border-radius: 999px;
  pointer-events: none;
  opacity: 0;
  transform-origin: 50% 100%;
  background: linear-gradient(to top, rgba(22,119,255,.18), rgba(22,119,255,.92));
  box-shadow: 0 0 0 5px rgba(22,119,255,.08), 0 10px 28px rgba(22,119,255,.22);
  transition: opacity .12s ease, background .12s ease, box-shadow .12s ease;
}
.gesture-trail::before {
  content: '';
  position: absolute;
  left: 50%;
  top: -2px;
  width: 18px;
  height: 18px;
  border-top: 4px solid #1677ff;
  border-right: 4px solid #1677ff;
  transform: translate(-50%, -35%) rotate(-45deg);
  border-radius: 3px;
}
.gesture-trail::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  transform: translateX(-50%);
  background: rgba(22,119,255,.24);
  border: 2px solid rgba(22,119,255,.8);
}
.gesture-trail.visible { opacity: 1; }
.gesture-trail.valid {
  background: linear-gradient(to top, rgba(18,166,106,.18), rgba(18,166,106,.95));
  box-shadow: 0 0 0 6px rgba(18,166,106,.08), 0 10px 30px rgba(18,166,106,.25);
}
.gesture-trail.valid::before { border-color: #12a66a; }
.gesture-trail.valid::after { background: rgba(18,166,106,.24); border-color: rgba(18,166,106,.85); }
.charge-button { cursor: ns-resize; }
.charge-button.charging { background: #1677ff; border-color: #1677ff; }


/* Grip calibration and direct gesture-to-hand diagnostics */
.parameter-card select { width: 100%; margin-top: 7px; min-height: 32px; padding: 4px 8px; border: 1px solid rgba(20,35,50,.14); border-radius: 8px; color: #24313c; background: rgba(255,255,255,.84); cursor: pointer; }
.parameter-card select:focus { outline: 2px solid rgba(22,119,255,.24); border-color: rgba(22,119,255,.55); }
@media (max-width: 780px) { .parameter-card select { margin-top: 3px; min-height: 25px; padding: 2px 4px; font-size: 8px; } }

/* Realistic water and wrist-load diagnostics */
.status-card { max-height: calc(100vh - 48px); overflow-y: auto; scrollbar-width: thin; }
@media (max-width: 780px) {
  .status-card { max-height: calc(100vh - 78px); }
  .telemetry { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Calibration, recorded trajectory and exact replay */
.telemetry-hidden { display: none !important; }
.status-dot.replay { background: #7c3aed; box-shadow: 0 0 0 5px rgba(124,58,237,.14); }
.calibration-card, .history-card {
  border: 1px solid rgba(255,255,255,.62);
  border-radius: 16px;
  background: rgba(248,250,252,.84);
  box-shadow: 0 16px 48px rgba(32,45,57,.15);
  backdrop-filter: blur(18px) saturate(130%);
  padding: 13px 14px;
}
.calibration-card {
  left: max(28px, env(safe-area-inset-left));
  bottom: max(24px, env(safe-area-inset-bottom));
  width: min(530px, calc(100vw - 56px));
}
.history-card {
  right: max(28px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  width: min(600px, calc(100vw - 56px));
}
.reference-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.reference-grid label { display: grid; gap: 5px; color: #687580; font-size: 9px; }
.reference-grid input, .reference-grid select {
  width: 100%; min-width: 0; height: 31px; padding: 5px 7px;
  border: 1px solid rgba(20,35,50,.14); border-radius: 8px;
  color: #24313c; background: rgba(255,255,255,.88); font-size: 11px;
}
.calibration-summary { margin-top: 9px; min-height: 34px; padding: 8px 10px; border-radius: 9px; background: rgba(22,119,255,.07); color: #4f5e6b; font-size: 10px; line-height: 1.45; }
.history-scroll { position: relative; margin-top: 9px; min-height: 84px; max-height: 148px; overflow: auto; scrollbar-width: thin; }
.history-card table { width: 100%; border-collapse: collapse; font-size: 9px; font-variant-numeric: tabular-nums; }
.history-card th { position: sticky; top: 0; z-index: 1; padding: 5px 6px; color: #687580; text-align: right; background: rgba(244,247,249,.96); border-bottom: 1px solid rgba(25,35,45,.10); }
.history-card th:nth-child(1), .history-card th:nth-child(2) { text-align: left; }
.history-card td { padding: 6px; text-align: right; border-bottom: 1px solid rgba(25,35,45,.07); white-space: nowrap; }
.history-card td:nth-child(1), .history-card td:nth-child(2) { text-align: left; }
.history-card tbody tr:first-child { background: rgba(22,119,255,.055); }
.history-empty { position: absolute; inset: 32px 0 auto; color: #7a8792; text-align: center; font-size: 10px; }
.history-actions { margin-top: 8px; }
.history-actions button { min-height: 31px; font-size: 10px; }
button:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }
#replayThrow[aria-pressed="true"] { background: #7c3aed; border-color: #7c3aed; color: white; }
#toggleTrajectory[aria-pressed="true"] { background: #1677ff; border-color: #1677ff; color: white; }
@media (max-width: 1180px) {
  .calibration-card { width: 430px; }
  .history-card { width: 470px; }
  .reference-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .calibration-card { left: 10px; bottom: 10px; width: calc(100vw - 20px); }
  .history-card { display: none; }
  .reference-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 780px) {
  .calibration-card { padding: 9px; }
  .reference-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 5px; }
  .reference-grid label { font-size: 7px; }
  .reference-grid input, .reference-grid select { height: 25px; padding: 3px 4px; font-size: 8px; }
  .calibration-summary { min-height: 26px; padding: 5px 6px; font-size: 8px; }
}

.bottle-type-label{padding:10px;border:1px solid rgba(25,55,85,.14);border-radius:12px;background:rgba(255,255,255,.54)}
.bottle-spec,.comparison-status{font-size:12px;line-height:1.55;color:#405064;padding:8px 10px;border-radius:10px;background:rgba(236,243,249,.78);margin:6px 0 10px}
.comparison-card{position:absolute;left:318px;right:380px;bottom:224px;width:auto;max-height:32vh;overflow:auto}
.comparison-scroll{margin-top:8px}.comparison-scroll table{min-width:690px}.comparison-card button:disabled{opacity:.55;cursor:progress}
@media(max-width:900px){.comparison-card{left:178px;right:246px;bottom:190px;width:auto;max-height:28vh}}


/* Integrated profile tuning and physical success distribution */
.validation-card { width: auto; max-height: 32vh; }
.validation-actions { display: grid; grid-template-columns: 1.05fr .78fr 1.25fr .9fr; gap: 8px; margin-top: 10px; align-items: end; }
.validation-actions button { min-height: 34px; font-size: 10px; }
.validation-actions label { display: grid; gap: 4px; color: #687580; font-size: 9px; }
.validation-actions select { width: 100%; min-height: 34px; padding: 4px 7px; border: 1px solid rgba(20,35,50,.14); border-radius: 9px; background: rgba(255,255,255,.88); color: #24313c; }
.validation-divider { height: 1px; margin: 10px 0 8px; background: rgba(25,35,45,.11); }
.distribution-scroll { max-height: 154px; }
.distribution-scroll table { min-width: 850px; }
.distribution-summary { margin-top: 8px; padding: 8px 10px; border-radius: 9px; background: rgba(18,166,106,.075); color: #425b51; font-size: 9px; line-height: 1.5; }
.validation-card table { width: 100%; border-collapse: collapse; font-size: 9px; font-variant-numeric: tabular-nums; }
.validation-card th { position: sticky; top: 0; z-index: 1; padding: 5px 6px; color: #687580; text-align: right; background: rgba(244,247,249,.97); border-bottom: 1px solid rgba(25,35,45,.10); white-space: nowrap; }
.validation-card td { padding: 6px; text-align: right; border-bottom: 1px solid rgba(25,35,45,.07); white-space: nowrap; }
.validation-card th:first-child, .validation-card td:first-child, .validation-card th:nth-child(2), .validation-card td:nth-child(2) { text-align: left; }
@media(max-width:900px){ .validation-card { max-height: 28vh; } .validation-actions { grid-template-columns: 1fr 1fr; } .distribution-summary { font-size: 8px; } }


/* Exact frame inspector and final physical audit */
.frame-inspector { margin-top: 10px; padding: 9px 10px; border-radius: 11px; border: 1px solid rgba(124,58,237,.16); background: rgba(124,58,237,.055); }
.frame-inspector-heading { display: flex; justify-content: space-between; align-items: center; gap: 10px; color: #3d3158; font-size: 10px; }
.frame-inspector-heading span { color: #6f6485; font-variant-numeric: tabular-nums; }
#frameScrubber { width: 100%; margin: 8px 0 6px; accent-color: #7c3aed; }
.frame-controls { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 5px; }
.frame-controls button { min-height: 29px; padding: 3px 4px; font-size: 8px; }
.frame-inspection-status, .frame-audit-summary { margin-top: 7px; padding: 7px 8px; border-radius: 8px; color: #4f5965; background: rgba(255,255,255,.64); font-size: 9px; line-height: 1.45; }
.frame-audit-summary.pass { color: #245d45; background: rgba(18,166,106,.09); }
.frame-audit-summary.warn { color: #865b12; background: rgba(255,159,10,.11); }
.frame-audit-summary.fail { color: #8a3030; background: rgba(239,68,68,.10); }
#toggleReplayPause[aria-pressed="true"] { color: white; background: #7c3aed; border-color: #7c3aed; }
@media(max-width:900px){ .frame-controls { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media(max-width:780px){ .frame-inspector { padding: 6px; } .frame-controls button { min-height: 25px; font-size: 7px; } .frame-inspection-status,.frame-audit-summary{font-size:7px;padding:5px;} }

.status-card .frame-inspector { margin: 10px 0 9px; }
.status-card .frame-controls { grid-template-columns: repeat(3, minmax(0,1fr)); }


/* Boundary-condition stress validation */
.stress-actions { display: flex; gap: 8px; align-items: center; margin-top: 10px; }
.stress-actions button { flex: 1 1 0; }
.stress-scroll { max-height: 156px; }
.stress-scroll td, .stress-scroll th { white-space: nowrap; }
@media (max-width: 780px) { .stress-actions { display: grid; grid-template-columns: 1fr 1fr; } .stress-scroll { max-height: 130px; } }

/* Keep validation docks clear of parameter, status, calibration and history panels. */
@media (max-height: 760px) {
  .comparison-card { bottom: 214px; max-height: 29vh; }
}
@media (max-width: 700px) {
  .comparison-card { left: 176px; right: 246px; bottom: 176px; max-height: 25vh; }
}

/* Real slow-motion measurement import and reverse calibration workbench */
.calibration-card {
  left: 318px;
  width: min(720px, calc(100vw - 346px));
  max-height: 36vh;
  overflow: auto;
  scrollbar-width: thin;
}
.calibration-actions { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; margin-top: 9px; }
.calibration-actions button { min-height: 31px; padding: 5px 7px; font-size: 9px; }
.calibration-dataset-status, .calibration-fit-summary {
  margin-top: 8px; padding: 7px 9px; border-radius: 9px; font-size: 9px; line-height: 1.5; color: #455766;
  background: rgba(58,107,154,.075); border: 1px solid rgba(58,107,154,.10);
}
.calibration-fit-summary { background: rgba(18,166,106,.075); border-color: rgba(18,166,106,.10); color: #405c50; }
.calibration-profile-scroll { min-height: 62px; max-height: 112px; }
.calibration-profile-scroll table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 8px; font-variant-numeric: tabular-nums; }
.calibration-profile-scroll th, .calibration-profile-scroll td { padding: 5px 6px; border-bottom: 1px solid rgba(25,35,45,.075); white-space: nowrap; text-align: right; }
.calibration-profile-scroll th { position: sticky; top: 0; z-index: 1; color: #687580; background: rgba(244,247,249,.98); }
.calibration-profile-scroll th:first-child, .calibration-profile-scroll td:first-child { text-align: left; }
.comparison-card { bottom: calc(36vh + 52px); max-height: 26vh; }
@media (max-width: 1500px) {
  .calibration-card { left: 318px; width: min(590px, calc(100vw - 346px)); }
  .history-card { width: 440px; }
  .calibration-actions { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-height: 820px) {
  .calibration-card { max-height: 32vh; }
  .comparison-card { bottom: calc(32vh + 44px); max-height: 24vh; }
}
@media (max-width: 900px) {
  .calibration-card { width: calc(100vw - 20px); max-height: 34vh; }
  .calibration-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .comparison-card { display: none; }
}
@media (max-width: 780px) {
  .calibration-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .calibration-actions button { min-height: 26px; font-size: 7px; }
  .calibration-dataset-status, .calibration-fit-summary { font-size: 7px; padding: 5px 6px; }
  .legacy-reference-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}


/* Continuous success-window and operation-feel calibration */
.operation-window-actions { display: grid; grid-template-columns: .72fr 1.25fr 1.25fr .9fr; gap: 7px; align-items: end; margin-top: 9px; }
.operation-window-actions label { display: grid; gap: 4px; color: #687580; font-size: 9px; }
.operation-window-actions select { min-height: 33px; padding: 4px 7px; border: 1px solid rgba(20,35,50,.14); border-radius: 9px; background: rgba(255,255,255,.88); color: #24313c; }
.operation-window-actions button { min-height: 33px; padding: 5px 7px; font-size: 9px; }
.operation-window-scroll { max-height: 154px; }
.operation-window-scroll table { min-width: 1340px; }
.operation-window-scroll th:nth-child(9), .operation-window-scroll td:nth-child(9) { text-align: left; max-width: 480px; overflow: hidden; text-overflow: ellipsis; }
.operation-window-summary { background: rgba(124,58,237,.065); border: 1px solid rgba(124,58,237,.10); color: #514565; }
@media(max-width:900px){ .operation-window-actions{grid-template-columns:1fr 1fr;} }
@media(max-width:780px){ .operation-window-actions button,.operation-window-actions select{min-height:27px;font-size:7px;} }

/* V3.36 frame-timeline slow-motion video capture and exact-frame annotation workbench */
.video-capture-modal[hidden] { display: none !important; }
.video-capture-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(8, 18, 28, .78);
  backdrop-filter: blur(12px);
}
.video-capture-shell {
  width: min(1540px, calc(100vw - 36px));
  height: min(940px, calc(100vh - 36px));
  overflow: auto;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 22px;
  background: rgba(244, 248, 251, .98);
  box-shadow: 0 30px 90px rgba(0,0,0,.42);
  color: #20303d;
}
.video-capture-header {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid rgba(24,42,58,.10);
  background: rgba(246,249,251,.96);
  backdrop-filter: blur(10px);
}
.video-capture-header h2 { margin: 3px 0 4px; font-size: clamp(18px, 2vw, 28px); }
.video-capture-header p { margin: 0; color: #61717d; font-size: 11px; }
.video-capture-header button { min-width: 72px; }
.video-capture-metadata {
  display: grid;
  grid-template-columns: auto minmax(260px, 1.7fr) repeat(4, minmax(120px, .65fr));
  gap: 9px;
  align-items: end;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(24,42,58,.08);
}
.video-capture-metadata label { display: grid; grid-template-columns: 1fr auto; gap: 4px 6px; align-items: center; color: #60717d; font-size: 9px; }
.video-capture-metadata label span { grid-column: 1 / -1; }
.video-capture-metadata label.wide { grid-column: span 2; }
.video-capture-metadata input,
.video-capture-metadata select,
.annotation-tools select,
.video-frame-controls input,
.video-frame-controls select {
  min-height: 33px;
  width: 100%;
  padding: 5px 8px;
  border: 1px solid rgba(27,49,66,.16);
  border-radius: 9px;
  background: #fff;
  color: #243440;
}
.video-capture-metadata em { color: #7b8790; font-size: 9px; font-style: normal; }
.video-file-label {
  min-height: 34px;
  display: flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 9px;
  background: rgba(58,107,154,.075);
  color: #536875;
  font-size: 10px;
  line-height: 1.35;
}
.video-capture-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  gap: 14px;
  padding: 14px 18px 8px;
}
.video-capture-stage-wrap {
  min-width: 0;
  padding: 10px;
  border-radius: 16px;
  background: #0d1720;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
#videoCaptureCanvas {
  display: block;
  width: 100%;
  max-height: calc(100vh - 360px);
  object-fit: contain;
  border-radius: 10px;
  background: #101820;
  cursor: crosshair;
  touch-action: none;
}
.video-frame-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(70px, .55fr)) minmax(120px, .8fr) minmax(120px, .8fr) minmax(230px, 1.6fr);
  gap: 7px;
  align-items: end;
  margin-top: 9px;
}
.video-frame-controls label { display: grid; gap: 3px; color: #aebbc5; font-size: 8px; }
.video-frame-controls output {
  min-height: 32px;
  display: flex;
  align-items: center;
  padding: 6px 9px;
  border-radius: 9px;
  background: rgba(255,255,255,.08);
  color: #d9e7ef;
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}
.video-capture-sidebar { min-width: 0; }
.annotation-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  padding: 10px;
  border: 1px solid rgba(30,55,72,.10);
  border-radius: 13px;
  background: rgba(255,255,255,.78);
}
.annotation-tools label { display: grid; gap: 4px; color: #61717c; font-size: 9px; }
.annotation-tools button { min-height: 33px; font-size: 9px; }
.video-platform-status,
.video-capture-instructions {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.13);
  color: #685321;
  font-size: 9px;
  line-height: 1.45;
}
.video-marker-scroll {
  max-height: 310px;
  overflow: auto;
  margin-top: 8px;
  border: 1px solid rgba(30,55,72,.10);
  border-radius: 11px;
  background: rgba(255,255,255,.82);
}
.video-marker-scroll table { width: 100%; border-collapse: collapse; font-size: 9px; font-variant-numeric: tabular-nums; }
.video-marker-scroll th,
.video-marker-scroll td { padding: 7px 8px; border-bottom: 1px solid rgba(30,55,72,.08); text-align: right; white-space: nowrap; }
.video-marker-scroll th:first-child,
.video-marker-scroll td:first-child { text-align: left; }
.video-marker-scroll th { position: sticky; top: 0; background: #f6f9fb; color: #667781; }
.video-marker-scroll tbody tr { cursor: pointer; }
.video-marker-scroll tbody tr:hover { background: rgba(58,107,154,.08); }
.video-capture-instructions { background: rgba(58,107,154,.065); border-color: rgba(58,107,154,.11); color: #4d6472; }
.video-capture-instructions p { margin: 4px 0 0; }
.video-capture-results {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: stretch;
  padding: 8px 18px 18px;
}
#videoCaptureSummary {
  min-height: 76px;
  max-height: 150px;
  overflow: auto;
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: #17232d;
  color: #dce8ee;
  font: 10px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
}
.video-capture-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(125px, 1fr));
  gap: 7px;
  min-width: 300px;
}
.video-capture-actions button { min-height: 34px; font-size: 9px; }
.video-capture-actions button:last-child { grid-column: 1 / -1; }
@media (max-width: 1120px) {
  .video-capture-metadata { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .video-capture-metadata > button,
  .video-file-label,
  .video-capture-metadata label.wide { grid-column: span 3; }
  .video-capture-workspace { grid-template-columns: 1fr; }
  #videoCaptureCanvas { max-height: 52vh; }
  .video-marker-scroll { max-height: 220px; }
}
@media (max-width: 720px) {
  .video-capture-modal { padding: 0; }
  .video-capture-shell { width: 100vw; height: 100vh; border-radius: 0; }
  .video-capture-header { padding: 11px 12px; }
  .video-capture-header p { font-size: 8px; }
  .video-capture-metadata { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 10px; }
  .video-capture-metadata > button,
  .video-file-label,
  .video-capture-metadata label.wide { grid-column: span 2; }
  .video-capture-workspace { padding: 10px; }
  .video-frame-controls { grid-template-columns: repeat(3, 1fr); }
  .video-frame-controls output { grid-column: 1 / -1; }
  .video-capture-results { grid-template-columns: 1fr; padding: 5px 10px 12px; }
  .video-capture-actions { min-width: 0; }
}
.video-precision-status{grid-column:1/-1;display:block;padding:.42rem .65rem;border-radius:.55rem;background:rgba(15,23,42,.72);color:#bae6fd;font-size:.78rem;line-height:1.35;white-space:normal}


/* V3.4 focus mode toolbar and decluttered observation layout */
.top-toolbar {
  top: max(18px, env(safe-area-inset-top));
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.62);
  border-radius: 16px;
  background: rgba(248,250,252,.82);
  box-shadow: 0 12px 32px rgba(31,45,57,.13);
  backdrop-filter: blur(18px) saturate(130%);
  max-width: min(860px, calc(100vw - 120px));
  z-index: 7;
}
.top-toolbar button { min-height: 36px; white-space: nowrap; }
.toolbar-hint { color: #5f6f7d; font-size: 11px; line-height: 1.4; }

html[data-ui-mode="focus"] .calibration-card,
html[data-ui-mode="focus"] .comparison-card,
html[data-ui-mode="focus"] .history-card {
  display: none;
}
html[data-ui-mode="focus"] .parameter-card {
  width: min(244px, calc(100vw - 48px));
  max-height: calc(100vh - 158px);
}
html[data-ui-mode="focus"] .parameter-card label:nth-of-type(n+9) {
  display: none;
}
html[data-ui-mode="focus"] .parameter-card .panel-heading::after {
  content: '观察模式下仅保留核心参数';
  margin-left: 8px;
  color: #6b7782;
  font-size: 9px;
  font-weight: 400;
}
html[data-ui-mode="debug"] .parameter-card { width: min(280px, calc(100vw - 48px)); }
html[data-ui-mode="debug"] .parameter-card label:nth-of-type(n+9) { display: grid; }

html[data-ui-mode="focus"] .status-card {
  width: min(296px, calc(100vw - 48px));
  max-height: calc(100vh - 108px);
}

#viewport::after {
  content: '默认关闭跟镜头：改为更宽固定视野，尽量完整看到投掷与落地';
  position: absolute;
  right: max(26px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  color: #4b5b68;
  font-size: 11px;
  letter-spacing: .01em;
  box-shadow: 0 10px 24px rgba(34,47,60,.10);
  pointer-events: none;
}
html[data-ui-mode="debug"] #viewport::after { content: '调试模式：底部验证面板已展开'; }

@media (max-width: 960px) {
  .top-toolbar {
    width: calc(100vw - 20px);
    max-width: none;
    padding: 8px 10px;
    gap: 6px;
    flex-wrap: wrap;
  }
  .toolbar-hint { width: 100%; font-size: 10px; }
  html[data-ui-mode="focus"] .parameter-card { width: 220px; }
  html[data-ui-mode="focus"] .status-card { width: 220px; }
}

@media (max-width: 780px) {
  .top-toolbar button { min-height: 32px; font-size: 10px; }
  .toolbar-hint { font-size: 9px; }
  #viewport::after { right: 10px; bottom: 10px; font-size: 9px; }
}

/* R6.3.7 realtime-only render stacking */
#viewport { z-index: 0; }
.hud { z-index: 3; }
.loading { z-index: 6; }
.error-panel { z-index: 8; }


/* R6.4.0 productized play mode: the full laboratory remains available, but is no longer the default experience. */
.play-hud { position:absolute; inset:0; z-index:5; pointer-events:none; color:#13222d; }
.play-brand { position:absolute; top:max(22px,env(safe-area-inset-top)); left:max(24px,env(safe-area-inset-left)); display:flex; align-items:center; gap:11px; pointer-events:none; filter:drop-shadow(0 8px 24px rgba(31,57,73,.13)); }
.play-brand strong { display:block; font-size:20px; line-height:1; letter-spacing:-.04em; }
.play-brand small { display:block; margin-top:5px; font-size:8px; font-weight:800; letter-spacing:.18em; color:#68808f; }
.play-logo { width:37px; height:37px; display:grid; place-items:center; border-radius:13px; background:linear-gradient(145deg,#fff,#e5eff4); box-shadow:0 9px 25px rgba(37,65,82,.15),inset 0 0 0 1px rgba(255,255,255,.9); }
.play-logo span { width:10px; height:24px; position:relative; border:2px solid #1683f3; border-radius:4px 4px 6px 6px; transform:rotate(8deg); }
.play-logo span::before { content:''; position:absolute; width:6px; height:4px; left:0; top:-7px; border:2px solid #1683f3; border-bottom:0; border-radius:2px 2px 0 0; }
.play-logo span::after { content:''; position:absolute; inset:8px 1px 1px; border-radius:2px 2px 4px 4px; background:linear-gradient(#9ee7f6,#46b6e9); opacity:.75; }
.play-top-actions { position:absolute; top:max(20px,env(safe-area-inset-top)); right:max(22px,env(safe-area-inset-right)); display:flex; gap:7px; pointer-events:auto; }
.play-icon-button { min-height:35px; padding:0 13px; border:1px solid rgba(255,255,255,.8); border-radius:999px; background:rgba(250,253,255,.76); color:#405565; font-size:10px; font-weight:700; box-shadow:0 9px 25px rgba(38,64,80,.10); backdrop-filter:blur(18px) saturate(145%); }
.play-profile-switcher { position:absolute; top:max(76px,calc(env(safe-area-inset-top) + 54px)); left:50%; transform:translateX(-50%); display:flex; gap:5px; padding:5px; border:1px solid rgba(255,255,255,.86); border-radius:17px; background:rgba(248,252,254,.78); box-shadow:0 16px 38px rgba(39,65,81,.13); backdrop-filter:blur(20px) saturate(145%); pointer-events:auto; }
.play-profile { min-width:82px; min-height:44px; padding:6px 13px; border:0; border-radius:12px; background:transparent; box-shadow:none; }
.play-profile span,.play-profile small { display:block; }
.play-profile span { font-size:12px; font-weight:800; }
.play-profile small { margin-top:2px; color:#7a8b96; font-size:8px; }
.play-profile.is-active { color:#fff; background:linear-gradient(135deg,#0e75e8,#2395f4); box-shadow:0 7px 18px rgba(22,119,255,.25); }
.play-profile.is-active small { color:rgba(255,255,255,.74); }
.play-status-pill { position:absolute; top:max(139px,calc(env(safe-area-inset-top) + 117px)); left:50%; transform:translateX(-50%); min-width:255px; display:flex; align-items:center; justify-content:center; gap:10px; padding:9px 15px; border:1px solid rgba(255,255,255,.8); border-radius:999px; background:rgba(249,252,254,.76); box-shadow:0 13px 32px rgba(40,65,80,.12); backdrop-filter:blur(18px); pointer-events:none; }
.play-status-pill strong,.play-status-pill small { display:block; text-align:left; }
.play-status-pill strong { font-size:11px; line-height:1.2; }
.play-status-pill small { margin-top:2px; color:#758691; font-size:8px; }
.play-status-dot { width:8px; height:8px; flex:none; border-radius:50%; background:#1683f3; box-shadow:0 0 0 5px rgba(22,131,243,.12); }
.play-status-dot.charging { background:#f59e0b; box-shadow:0 0 0 5px rgba(245,158,11,.14); }
.play-status-dot.release { background:#9b59e6; box-shadow:0 0 0 5px rgba(155,89,230,.14); }
.play-status-dot.active { background:#16a870; box-shadow:0 0 0 5px rgba(22,168,112,.13); }
.play-status-dot.contact { background:#f97316; box-shadow:0 0 0 5px rgba(249,115,22,.14); }
.play-status-dot.sleeping { background:#647887; box-shadow:0 0 0 5px rgba(100,120,135,.13); }
.play-metrics { position:absolute; left:max(24px,env(safe-area-inset-left)); bottom:max(29px,env(safe-area-inset-bottom)); display:flex; gap:7px; pointer-events:none; }
.play-metrics div { min-width:82px; padding:9px 12px; border:1px solid rgba(255,255,255,.75); border-radius:14px; background:rgba(248,252,254,.70); box-shadow:0 12px 30px rgba(38,63,79,.11); backdrop-filter:blur(16px); }
.play-metrics span,.play-metrics strong { display:block; }
.play-metrics span { color:#7a8b95; font-size:8px; }
.play-metrics strong { margin-top:3px; font-size:13px; font-variant-numeric:tabular-nums; }
.play-water-presets { position:absolute; right:max(24px,env(safe-area-inset-right)); bottom:max(31px,env(safe-area-inset-bottom)); display:flex; align-items:center; gap:5px; padding:5px; border:1px solid rgba(255,255,255,.76); border-radius:14px; background:rgba(248,252,254,.72); box-shadow:0 12px 30px rgba(38,63,79,.11); backdrop-filter:blur(16px); pointer-events:auto; }
.play-water-presets>span { padding:0 5px; color:#738591; font-size:9px; font-weight:700; }
.play-water-presets button { min-height:29px; padding:0 9px; border:0; border-radius:9px; background:transparent; font-size:9px; }
.play-water-presets button.is-active { color:#0673d7; background:#e8f4ff; box-shadow:inset 0 0 0 1px rgba(22,119,255,.12); font-weight:800; }
.play-gesture-guide { position:absolute; left:50%; bottom:max(159px,calc(env(safe-area-inset-bottom) + 134px)); transform:translateX(-50%); display:grid; justify-items:center; gap:4px; opacity:.74; transition:opacity .25s ease,transform .25s ease; }
.play-gesture-guide strong { font-size:11px; }
.play-gesture-guide small { color:#6c7e89; font-size:8px; }
.play-gesture-arrow { width:2px; height:39px; position:relative; background:linear-gradient(to top,rgba(22,119,255,.12),#1677ff); border-radius:999px; animation:playSwipeHint 1.8s ease-in-out infinite; }
.play-gesture-arrow::before { content:''; position:absolute; left:50%; top:0; width:9px; height:9px; border-top:2px solid #1677ff; border-left:2px solid #1677ff; transform:translate(-50%,-1px) rotate(45deg); }
@keyframes playSwipeHint { 0%,100%{transform:translateY(9px);opacity:.35} 48%{transform:translateY(-6px);opacity:1} }
.play-dock { position:absolute; left:50%; bottom:max(30px,env(safe-area-inset-bottom)); transform:translateX(-50%); display:grid; grid-template-columns:62px 128px 62px; align-items:end; gap:9px; pointer-events:auto; }
.play-dock button { box-shadow:0 16px 38px rgba(36,60,76,.18); }
.play-dock-side { min-height:58px; border:1px solid rgba(255,255,255,.86); border-radius:18px; background:rgba(250,253,255,.84); backdrop-filter:blur(18px); }
.play-dock-side span,.play-dock-side small { display:block; }
.play-dock-side span { font-size:17px; line-height:1; }
.play-dock-side small { margin-top:5px; color:#71838f; font-size:8px; font-weight:750; }
.play-throw-button { min-height:82px; display:grid; place-items:center; align-content:center; gap:1px; border:0; border-radius:25px; color:#fff; background:linear-gradient(155deg,#1689f6,#0868db); box-shadow:0 18px 45px rgba(9,105,219,.35)!important; touch-action:none; user-select:none; cursor:ns-resize; }
.play-throw-button:hover { background:linear-gradient(155deg,#2698ff,#0872e9); }
.play-throw-button.charging { transform:scale(.97); background:linear-gradient(155deg,#ffae32,#ef7d00); box-shadow:0 18px 45px rgba(239,125,0,.32)!important; }
.play-throw-button .play-throw-arrow { font-size:24px; line-height:.9; }
.play-throw-button strong { font-size:13px; }
.play-throw-button small { color:rgba(255,255,255,.72); font-size:8px; }
.play-result-card { position:absolute; left:50%; top:50%; width:min(370px,calc(100vw - 32px)); transform:translate(-50%,-46%) scale(.94); padding:25px; border:1px solid rgba(255,255,255,.94); border-radius:27px; background:rgba(248,252,254,.91); box-shadow:0 34px 100px rgba(25,48,64,.28); backdrop-filter:blur(28px) saturate(145%); opacity:0; pointer-events:none; transition:opacity .28s ease,transform .34s cubic-bezier(.2,.9,.2,1); text-align:center; }
.play-result-card.is-visible { opacity:1; transform:translate(-50%,-50%) scale(1); pointer-events:auto; }
.play-result-card.success { box-shadow:0 34px 100px rgba(15,121,83,.25); }
.play-result-card h2 { margin:9px 0 4px; font-size:29px; letter-spacing:-.05em; }
.play-result-card p { margin:0; color:#6f818d; font-size:11px; line-height:1.5; }
.play-result-badge { display:inline-flex; min-height:25px; align-items:center; padding:0 11px; border-radius:999px; color:#fff; background:#617482; font-size:9px; font-weight:800; letter-spacing:.08em; }
.play-result-card.success .play-result-badge { background:#14a36c; }
.play-result-card.near .play-result-badge { background:#f28c18; }
.play-result-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:7px; margin:18px 0; }
.play-result-stats div { padding:10px 5px; border-radius:13px; background:rgba(225,235,241,.56); }
.play-result-stats span,.play-result-stats strong { display:block; }
.play-result-stats span { color:#7a8c97; font-size:8px; }
.play-result-stats strong { margin-top:5px; font-size:13px; font-variant-numeric:tabular-nums; }
.play-result-actions { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.play-result-actions button { min-height:43px; }
.play-feedback-flash { position:absolute; inset:0; opacity:0; pointer-events:none; background:radial-gradient(circle at 50% 55%,rgba(49,207,140,.24),transparent 54%); transition:opacity .6s ease; }
.play-feedback-flash.is-active { opacity:1; transition:opacity .08s ease; }
html[data-ui-mode="play"] .top-toolbar,
html[data-ui-mode="play"] .hud-left,
html[data-ui-mode="play"] .status-card,
html[data-ui-mode="play"] .parameter-card,
html[data-ui-mode="play"] .calibration-card,
html[data-ui-mode="play"] .comparison-card,
html[data-ui-mode="play"] .history-card,
html[data-ui-mode="play"] .key-help { display:none!important; }
html[data-ui-mode="lab"] .play-hud { display:none!important; }
html[data-ui-mode="lab"] .top-toolbar { display:flex; }
html[data-ui-mode="lab"] .calibration-card,
html[data-ui-mode="lab"] .comparison-card,
html[data-ui-mode="lab"] .history-card { display:block; }
html[data-ui-mode="lab"] .parameter-card label:nth-of-type(n+9) { display:grid; }
html[data-ui-mode="play"] #viewport::after { display:none; }
html[data-ui-mode="lab"] #viewport::after { content:'物理实验室：参数、标定与验证工具已展开'; }
html[data-throw-state="swiping"] .play-gesture-guide,
html[data-throw-state="active"] .play-gesture-guide,
html[data-result-visible="true"] .play-gesture-guide { opacity:0; transform:translateX(-50%) translateY(-8px); }
@media(max-width:820px){
  .play-brand{top:13px;left:13px}.play-logo{width:33px;height:33px}.play-brand strong{font-size:17px}.play-top-actions{top:12px;right:12px}.play-icon-button{min-height:31px;padding:0 10px;font-size:8px}
  .play-profile-switcher{top:62px}.play-profile{min-width:69px;min-height:39px;padding:4px 9px}.play-status-pill{top:112px;min-width:225px;padding:8px 12px}
  .play-metrics{left:10px;bottom:10px;gap:4px}.play-metrics div{min-width:62px;padding:7px 8px;border-radius:11px}.play-metrics span{font-size:7px}.play-metrics strong{font-size:10px}
  .play-water-presets{right:10px;bottom:10px}.play-water-presets>span{display:none}.play-water-presets button{min-height:26px;padding:0 7px;font-size:8px}
  .play-dock{bottom:max(61px,calc(env(safe-area-inset-bottom) + 51px));grid-template-columns:54px 112px 54px;gap:6px}.play-dock-side{min-height:52px;border-radius:15px}.play-throw-button{min-height:72px;border-radius:21px}
  .play-gesture-guide{bottom:max(190px,calc(env(safe-area-inset-bottom) + 169px))}.play-result-card{padding:20px;border-radius:23px}.play-result-card h2{font-size:25px}
}
@media(max-width:520px){
  .play-brand small{display:none}.play-top-actions #playSoundToggle{display:none}.play-profile-switcher{width:calc(100vw - 24px);justify-content:center}.play-profile{flex:1;min-width:0}
  .play-status-pill{top:111px}.play-water-presets{bottom:auto;top:158px;right:50%;transform:translateX(50%)}
  .play-metrics{bottom:8px}.play-metrics div:nth-child(3){display:none}.play-result-stats{gap:5px}.play-result-stats div{padding:8px 3px}
}

/* R6.4.1 real-device visual and motion refinement */
#viewport canvas { display:block; width:100%; height:100%; outline:none; }
html[data-render-quality] .play-brand small::after { content:' · ' attr(data-render-quality); display:none; }
@media (max-height:680px) and (min-width:700px) {
  .play-profile-switcher { top:58px; }
  .play-status-pill { top:106px; }
  .play-gesture-guide { bottom:138px; }
  .play-dock { bottom:18px; }
  .play-metrics,.play-water-presets { bottom:20px; }
}
@media (max-width:900px) and (orientation:landscape) {
  .play-brand { top:10px; left:12px; }
  .play-top-actions { top:9px; right:10px; }
  .play-profile-switcher { top:48px; left:12px; transform:none; flex-direction:column; }
  .play-profile { min-width:74px; min-height:34px; }
  .play-status-pill { top:12px; min-width:210px; }
  .play-water-presets { right:10px; bottom:10px; }
  .play-metrics { left:10px; bottom:10px; }
  .play-dock { bottom:10px; grid-template-columns:50px 104px 50px; }
  .play-dock-side { min-height:48px; }
  .play-throw-button { min-height:64px; }
  .play-gesture-guide { bottom:92px; }
}
@media (prefers-reduced-motion: reduce) {
  .play-gesture-arrow { animation:none; }
  .play-result-card,.play-feedback-flash,.play-gesture-guide,.play-throw-button { transition-duration:.01ms!important; }
}

/* R6.4.4 final release hardening: accessibility, diagnostics and device stability */
.skip-link { position:fixed; z-index:100; left:12px; top:10px; padding:10px 14px; border-radius:10px; color:#fff; background:#0b66d6; transform:translateY(-160%); transition:transform .15s ease; }
.skip-link:focus { transform:translateY(0); }
.sr-only { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }
.noscript-panel { position:fixed; z-index:100; inset:20px; display:grid; place-items:center; padding:24px; border-radius:18px; background:#fff; color:#5b2020; box-shadow:0 25px 80px rgba(40,20,20,.25); }
button:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline:3px solid rgba(11,102,214,.72); outline-offset:3px; }
.error-panel { max-height:min(82vh,640px); overflow:auto; color:#382424; }
.error-panel>strong { display:block; font-size:21px; color:#7d2020; }
.error-panel p { margin:10px 0 14px; }
.error-actions { display:grid; grid-template-columns:1fr 1fr; gap:9px; margin-top:14px; }
.diagnostics { border-top:1px solid rgba(91,32,32,.14); padding-top:12px; }
.diagnostics summary { cursor:pointer; color:#6a4b4b; font-size:12px; font-weight:750; }
.diagnostics pre { max-height:180px; overflow:auto; margin:10px 0 0; padding:10px; border-radius:10px; color:#37434d; background:#f2f5f7; font:11px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace; white-space:pre-wrap; word-break:break-word; }
.play-icon-button,.play-profile,.play-water-presets button,.play-dock-side { min-width:44px; min-height:44px; }
@media (max-width:820px) {
  .play-icon-button { min-height:40px; font-size:10px; }
  .play-profile { min-height:44px; }
  .play-profile small,.play-metrics span,.play-result-stats span,.play-throw-button small,.play-dock-side small { font-size:9px; }
  .play-metrics strong { font-size:12px; }
  .play-water-presets button { min-height:40px; font-size:10px; }
}
@media (max-width:520px) {
  .play-top-actions #playSoundToggle { display:inline-flex; padding:0 9px; }
  .play-top-actions { gap:5px; }
  .play-brand strong { font-size:16px; }
  .play-status-pill { min-width:215px; }
  .error-actions { grid-template-columns:1fr; }
}
@media (prefers-reduced-transparency: reduce) {
  .play-status-pill,.play-metrics div,.play-water-presets,.play-dock-side,.play-result-card,.status-card,.parameter-card { backdrop-filter:none!important; background:#f7fafc!important; }
}
@media (forced-colors: active) {
  button,.play-result-card,.play-status-pill,.error-panel { forced-color-adjust:auto; border:1px solid CanvasText; }
  .play-status-dot,.status-dot { forced-color-adjust:none; background:Highlight!important; }
}