/* Final responsive layer. Desktop rules remain in the existing stylesheets. */
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
.deviceToggle:focus-visible {
  outline: 2px solid #7aa7ff;
  outline-offset: 2px;
}

body.mobileFullscreenActive { overflow: hidden; }
.stage.mobileFullscreen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  width: 100vw;
  width: 100dvw;
  height: 100vh;
  height: 100dvh;
  max-width: none;
  aspect-ratio: auto !important;
  border: 0;
  border-radius: 0;
  background: #000;
}
.stage.mobileFullscreen canvas,
.stage:fullscreen canvas {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.stage.mobileFullscreen #empty,
.stage:fullscreen #empty { display: none; }
.stage.mobileFullscreen #exitFullscreen,
.stage:fullscreen #exitFullscreen {
  display: block;
  position: absolute;
  z-index: 4;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  width: auto;
  min-height: 42px;
  padding: 9px 14px;
  background: #121a29e8;
  border: 1px solid #53617a;
  box-shadow: 0 8px 28px #0009;
}

@media (max-width: 900px) {
  body:not(.authMode) {
    min-height: 100dvh;
    background: #080b12;
  }
  body:not(.authMode) main {
    min-height: 100dvh;
    gap: 8px;
    padding:
      max(8px, env(safe-area-inset-top))
      max(8px, env(safe-area-inset-right))
      max(12px, env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-left));
  }

  body:not(.authMode) header {
    min-height: 38px;
    padding: 0 3px;
  }
  body:not(.authMode) header .mark {
    width: 30px;
    height: 30px;
    border-radius: 8px;
  }
  body:not(.authMode) header b { font-size: 15px; }
  #status {
    max-width: 52vw;
    overflow: hidden;
    text-align: right;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .sessionControls {
    position: sticky;
    top: max(6px, env(safe-area-inset-top));
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    padding: 9px;
    border-color: #344057;
    background: #111722f2;
    box-shadow: 0 10px 28px #0008;
    backdrop-filter: blur(14px);
  }
  .sessionControls #activeDevice,
  .sessionControls .guestExpiry {
    grid-column: 1 / -1;
    min-width: 0;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .sessionControls .guestExpiry { font-size: 10px; }
  .sessionControls button {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    margin: 0;
    padding: 8px 7px;
    white-space: normal;
  }

  .inventoryHead {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 9px;
    min-height: 0;
    padding: 6px 2px 10px;
  }
  .inventoryHead b { font-size: 21px; }
  .inventoryTools {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 7px;
    width: 100%;
  }
  .inventoryTools input {
    width: 100%;
    min-width: 0;
    height: 44px;
    font-size: 16px;
  }
  .inventoryTools button {
    width: auto;
    min-height: 44px;
    padding-inline: 14px;
  }

  .groupBlock { margin-top: 7px; }
  .groupBlock > summary {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px;
    min-height: 54px;
    padding: 9px;
  }
  .groupBlock > summary::before { align-self: center; }
  .groupBlock > summary > span { min-width: 0; }
  .groupBlock > summary b,
  .groupBlock > summary small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .groupActions {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    width: 100%;
  }
  .groupActions select {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 44px;
    margin: 0;
    font-size: 16px;
  }
  .groupActions button {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 7px;
    white-space: normal;
  }

  .deviceGrid {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 5px;
  }
  .deviceToggle {
    min-height: 64px;
    padding: 10px;
  }
  .deviceToggle strong { font-size: 14px; }
  .deviceToggle small { font-size: 11px; }
  .deviceArrow { padding: 8px 2px 8px 10px; }
  .deviceDetails { padding: 8px; }
  .renameDevice {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 7px;
  }
  .renameDevice input {
    min-width: 0;
    height: 44px;
    font-size: 16px;
  }
  .renameDevice button,
  .tileActions button {
    min-height: 44px;
  }
  .tileActions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }
  .tileActions button {
    min-width: 0;
    padding: 7px 5px;
    font-size: 11px;
  }

  .guestPanel.compact { padding: 9px; }
  .guestCreate {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 7px;
  }
  .guestCreate select,
  .guestCreate button {
    width: 100%;
    min-height: 44px;
    margin: 0;
  }
  .guestCreate select { font-size: 16px; }
  .guestCreate .audioPermission,
  .guestCreate .guestResult { grid-column: 1 / -1; }
  .guestCreate .audioPermission {
    min-height: 34px;
    white-space: normal;
  }
  .guestCreate .audioPermission input { min-width: 20px; min-height: 20px; }
  .guestRow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 6px 10px;
  }
  .guestRow .countdown { min-width: 0; }
  .guestRow .audioBadge { grid-column: 1; }
  .guestRow button {
    grid-row: 1 / span 2;
    min-height: 44px;
    align-self: center;
  }
  .guestRow .copyGuest { grid-column: 2; }
  .guestRow .revokeGuest { grid-column: 3; }

  .stage {
    scroll-margin-top: 116px;
    min-width: 0;
    border-radius: 10px;
  }
  #screen {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
  }
  #empty {
    padding: 16px;
    text-align: center;
    font-size: 12px;
  }
  footer {
    padding: 1px 14px;
    font-size: 10px;
    line-height: 1.45;
  }

  .managementPanel > summary {
    min-height: 48px;
    flex-wrap: wrap;
  }
  .managementPanel > summary span { width: 100%; }
  .managementBody { padding: 0 8px 8px; }
  .compactAdmin,
  .compactUserList {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 9px;
    padding: 10px;
  }
  .compactAdmin > div,
  .compactAdmin label {
    max-width: none;
    width: 100%;
  }
  .compactAdmin input {
    min-height: 44px;
    font-size: 16px;
  }
  .compactAdmin button {
    width: 100%;
    min-height: 44px;
  }
  .userRows .guestRow { grid-template-columns: minmax(0, 1fr); }

  .removeDialog {
    width: 100%;
    max-width: none;
    max-height: min(82vh, 620px);
    max-height: min(82dvh, 620px);
    margin: auto 0 0;
    border-width: 1px 0 0;
    border-radius: 18px 18px 0 0;
  }
  .removeDialog form {
    padding: 22px max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  }
  .removeDialog h2 { font-size: 20px; }
  .confirmCheck { align-items: flex-start; line-height: 1.4; }
  .confirmCheck input { min-width: 22px; min-height: 22px; }
  .dialogActions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .dialogActions button {
    width: 100%;
    min-height: 44px;
    padding-inline: 8px;
  }
}

@media (max-width: 480px) {
  body.authMode {
    min-height: 100dvh;
    padding:
      max(14px, env(safe-area-inset-top))
      max(14px, env(safe-area-inset-right))
      max(14px, env(safe-area-inset-bottom))
      max(14px, env(safe-area-inset-left));
  }
  body.authMode main { width: min(100%, 420px); }
  body.authMode #loginPanel,
  body.authMode #setupPanel {
    gap: 14px;
    padding: 22px;
    border-radius: 16px;
  }
  body.authMode #setupPanel label {
    display: grid;
    gap: 6px;
    font-size: 12px;
  }
  body.authMode #setupPanel input { margin-top: 0; }
  body.authMode input { font-size: 16px; }
}

@media (max-height: 520px) and (orientation: landscape) {
  .sessionControls {
    grid-template-columns: minmax(150px, 1.25fr) repeat(4, minmax(88px, 1fr));
  }
  .sessionControls #activeDevice {
    grid-column: 1;
    grid-row: 1;
    align-self: end;
  }
  .sessionControls .guestExpiry {
    grid-column: 1;
    grid-row: 2;
    align-self: start;
  }
  .sessionControls #audioToggle { grid-column: 2; }
  .sessionControls #disconnect { grid-column: 3; }
  .sessionControls #fullscreen { grid-column: 4; }
  .sessionControls #logout { grid-column: 5; }
  .sessionControls button {
    grid-row: 1 / span 2;
    align-self: center;
  }
  .stage:not(.mobileFullscreen) {
    max-height: calc(100dvh - 68px);
  }
  .stage.mobileFullscreen #exitFullscreen,
  .stage:fullscreen #exitFullscreen {
    top: max(6px, env(safe-area-inset-top));
    right: max(6px, env(safe-area-inset-right));
  }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}