/* 川上云机密随机bingo — layout on top of endfield.css.
   Variant: yellow / warm / standard / contours / standard / full.
   Everything here is layout, the 9×9 matrix, and the two console pages. */

@font-face {
  font-family: 'Saira Variable';
  src: url('../fonts/Saira.ttf') format('truetype');
  font-weight: 100 900;
  font-stretch: 50% 125%;
  font-display: swap;
}

:root {
  --ef-font-ui: 'Saira Variable', 'Saira', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ef-font-text: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;

  /* the two rarities of the matrix. Idle is the deeper (unlit) tone. */
  --lv4-idle: #c9b3e8;
  --lv4-on: #e7d8fc;
  --lv5-idle: #e0cd9c;
  --lv5-on: #f8ecc9;
  --tile-line: color-mix(in srgb, #161616 16%, transparent);
}

:root[data-theme='dark'] {
  --lv4-idle: #332a47;
  --lv4-on: #473a66;
  --lv5-idle: #3c3420;
  --lv5-on: #514529;
  --tile-line: color-mix(in srgb, #ededed 16%, transparent);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --lv4-idle: #332a47;
    --lv4-on: #473a66;
    --lv5-idle: #3c3420;
    --lv5-on: #514529;
    --tile-line: color-mix(in srgb, #ededed 16%, transparent);
  }
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------ top bar */

.site-top {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  min-height: 4.5rem;
  padding: 0 var(--ef-pad);
  border-bottom: 1px solid var(--ef-rule);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.site-brand .seal {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  background: var(--ef-ink);
  color: var(--ef-paper);
  font-size: 1.1rem;
  font-weight: 800;
}

.site-name {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 800;
  font-stretch: var(--ef-wider);
  letter-spacing: 0.08em;
}

.site-name small {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ef-ink-2);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.site-nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45em;
  padding: 0.5rem 0.6rem;
  color: var(--ef-ink-2);
  font-size: 0.86rem;
  font-weight: 600;
}

.site-nav a small {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.8;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ef-ink);
}

.site-top > .ef-btn {
  margin-left: 0.5rem;
}

/* --------------------------------------------------------------- hero */

main {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  padding: clamp(2rem, 4.5vw, 3.75rem) var(--ef-pad) clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--ef-rule);
}

.hero-copy .ef-eyebrow {
  margin: 0;
}

.hero-head {
  margin: 0.4rem 0 0;
  font-weight: 800;
}

.hero-head .ef-wordmark {
  margin: 0;
  --ef-wordmark: clamp(3.4rem, 8vw, 7.6rem);
}

.hero-name {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(1.35rem, 2.5vw, 2.05rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.hero-name em {
  font-style: normal;
  margin-left: 0.35em;
  padding: 0 0.25em;
  background: var(--ef-ink);
  color: var(--ef-paper);
}

.hero-claim {
  margin: 1.15rem 0 0;
}

.hero-bio {
  max-width: 33rem;
  margin: 1rem 0 0;
  color: var(--ef-ink-2);
  font-size: 1rem;
  line-height: 1.9;
}

.hero-actions {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-actions .ef-btn {
  min-height: 2.9rem;
}

.hero-facts {
  margin-top: 1.75rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--ef-rule);
}

.hero-facts b {
  color: var(--ef-ink);
  font-weight: 700;
}

/* -------------------------------------------------------------- stage */

.stage-wrap {
  position: relative;
  width: 100%;
  max-width: 34rem;
  justify-self: end;
  min-width: 0;
}

.stage-wrap::before {
  content: '';
  position: absolute;
  inset: 0.75rem -0.75rem -0.75rem 0.75rem;
  background: var(--ef-hatch);
}

.stage {
  position: relative;
  background: var(--ef-panel);
  border: 1px solid var(--ef-ink);
  padding: 0;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.stage-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--ef-rule);
}

.stage-head .ef-field {
  margin: 0;
}

.stage-body {
  position: relative;
  padding: 0.65rem;
}

.board-preview .cell {
  cursor: default;
}

.board-preview.is-sample .cell {
  cursor: pointer;
}

.board-preview {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 2px;
  background: var(--ef-panel);
}

.stage-seal {
  position: absolute;
  inset: 0.65rem;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.stage-seal > span {
  display: grid;
  gap: 0.15rem;
  justify-items: center;
  padding: 0.55rem 1.1rem;
  background: var(--ef-panel);
  border: 1px solid var(--ef-ink);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.stage-seal small {
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ef-ink-2);
}

.stage-seal[hidden] {
  display: none;
}

.stage-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.55rem 0.9rem;
  border-top: 1px solid var(--ef-rule);
}

.stage-foot .ef-field {
  margin: 0;
  overflow-wrap: anywhere;
}

.stage-foot {
  flex-wrap: wrap;
}

.stage-url {
  color: var(--ef-ink-2);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  font-size: 0.68rem !important;
  text-align: right;
}

.stage-url:hover {
  color: var(--ef-ink);
}

.stage.is-drawn .stage-head .ef-field {
  color: var(--ef-ink);
  font-weight: 700;
}

/* the 81 sealed cells: one redacted sheet, cut by hairlines */
.board-preview.is-sealed {
  background: var(--ef-hatch);
}

.cell.is-sealed {
  background: color-mix(in srgb, var(--ef-panel) 88%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ef-ink) 14%, transparent);
  cursor: default;
  aspect-ratio: 1;
}

/* --------------------------------------------------------- rules section */

.rules {
  padding: clamp(2.5rem, 5vw, 4rem) var(--ef-pad) clamp(2rem, 4vw, 3rem);
}

.rules .ef-bar-title {
  margin-bottom: 1.5rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ef-ink);
}

.steps li {
  padding: 1.2rem 1.5rem 1.4rem;
  border-right: 1px solid var(--ef-rule);
  border-bottom: 1px solid var(--ef-rule);
}

.steps li:first-child {
  padding-left: 0;
}

.steps li:last-child {
  border-right: 0;
  padding-right: 0;
}

.steps .no {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-stretch: var(--ef-wider);
  line-height: 1;
  letter-spacing: -0.02em;
}

.steps h3 {
  margin: 0.7rem 0 0.4rem;
  font-size: 1.1rem;
  font-weight: 800;
}

.steps p {
  margin: 0;
  color: var(--ef-ink-2);
  font-size: 0.92rem;
  line-height: 1.85;
}

.rules-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 2rem;
}

.legend {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  max-width: 26rem;
}

.legend li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--ef-rule);
}

.legend b {
  font-size: 0.95rem;
}

.legend .ef-field {
  margin-left: auto;
}

.swatch {
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--tile-line);
}

.swatch.lv4 {
  background: var(--lv4-on);
}

.swatch.lv5 {
  background: var(--lv5-on);
}

.rules-note {
  margin: 0.85rem 0 0;
  color: var(--ef-ink-2);
  font-size: 0.88rem;
  line-height: 1.85;
  max-width: 32rem;
}

.rules-note.big {
  margin-top: 0.75rem;
  font-size: 1rem;
  color: var(--ef-ink-2);
}

.rules-note b {
  color: var(--ef-ink);
}

/* -------------------------------------------------------------- footer */

.site-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding: 1.25rem var(--ef-pad) 2.5rem;
  border-top: 1px solid var(--ef-rule);
  color: var(--ef-ink-2);
}

.site-foot .ef-field {
  margin: 0;
}

.site-foot .sep {
  color: var(--ef-rule);
  margin: 0 0.35em;
}

.site-foot .foot-link {
  margin-left: auto;
  color: var(--ef-ink);
  font-weight: 600;
}

/* --------------------------------------------------------- the matrix */

.board-scroll {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 0.25rem;
  scrollbar-color: var(--ef-rule) transparent;
}

.board.is-sealed {
  background: var(--ef-hatch);
}

/* the waiting state: hatched matrix with one 随机 control on top */
.roll-layer {
  position: absolute;
  inset: 0 0 0.25rem;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: color-mix(in srgb, var(--ef-paper) 36%, transparent);
}

.roll-card {
  display: grid;
  gap: 0.55rem;
  justify-items: center;
  max-width: 22rem;
  padding: 1.15rem 1.5rem 1.25rem;
  background: var(--ef-panel);
  border: 1px solid var(--ef-ink);
  text-align: center;
}

.roll-card .ef-eyebrow {
  margin: 0;
}

.roll-card p {
  margin: 0;
  color: var(--ef-ink-2);
  font-size: 0.82rem;
  line-height: 1.7;
}

.board {
  display: grid;
  grid-template-columns: 1.35rem repeat(9, minmax(0, 1fr));
  gap: 2px;
  width: 100%;
  max-width: 44rem;
  margin-inline: auto;
  padding: 3px;
  background: var(--ef-panel);
  border: 1px solid var(--ef-ink);
}

.board .axis {
  display: grid;
  place-items: center;
  background: var(--ef-panel);
  color: var(--ef-ink-2);
  font-size: 0.54rem;
  font-weight: 600;
  font-stretch: var(--ef-wider);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.board .axis.is-bingo {
  background: var(--ef-signal);
  color: var(--ef-on-signal);
  font-weight: 800;
}

.board .corner {
  background: var(--ef-panel);
}

.cell {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--tile-idle);
  color: var(--ef-ink);
  font: inherit;
  overflow: hidden;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color 0.18s var(--ef-mech),
    transform 0.12s var(--ef-mech);
}

.cell.lv4 {
  --tile-idle: var(--lv4-idle);
  --tile-on: var(--lv4-on);
}

.cell.lv5 {
  --tile-idle: var(--lv5-idle);
  --tile-on: var(--lv5-on);
}

.cell img {
  position: absolute;
  left: 3%;
  top: 3%;
  width: 94%;
  height: 94%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  opacity: 0.82;
  filter: saturate(0.7) brightness(0.95);
  transition:
    opacity 0.18s var(--ef-mech),
    filter 0.18s var(--ef-mech);
  pointer-events: none;
}

.cell.is-on {
  background: var(--tile-on);
  box-shadow: inset 0 0 0 1px var(--tile-line);
  transform: scale(1.05);
  z-index: 2;
}

.cell.is-on img {
  opacity: 1;
  filter: none;
}

.cell.is-bingo {
  box-shadow: none;
}

.cell:focus-visible {
  outline: 3px solid var(--ef-ink);
  outline-offset: -3px;
  z-index: 2;
}

.cell:active:not(.is-sealed) {
  transform: translateY(1px);
}

@media (hover: hover) {
  .cell:not(.is-on):not(.is-sealed):hover {
    background: var(--tile-on);
  }
  .cell:not(.is-on):not(.is-sealed):hover img {
    opacity: 1;
    filter: none;
  }
}

.cell.is-sealed img {
  display: none;
}

/* the draw: cells arrive one after another, short and mechanical */
.board-preview.is-drawing .cell {
  animation: cell-in 0.26s var(--ef-snap) both;
  animation-delay: calc(var(--i, 0) * 5ms);
}

@keyframes cell-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ------------------------------------------------------------- room page */

.room {
  max-width: 100rem;
  margin-inline: auto;
  padding: clamp(1.25rem, 3vw, 2rem) var(--ef-pad) clamp(3rem, 6vw, 5rem);
}

.room .ef-crumb {
  margin: 0 0 0.75rem;
}

.room-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(19rem, 25rem);
  gap: 1.25rem;
  align-items: start;
}

.room-grid > * {
  min-width: 0;
}

.board-panel {
  padding: 1rem;
}

.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.board-head .ef-eyebrow,
.board-head .ef-field {
  margin: 0;
}

.board-hint {
  margin: 0.85rem 0 0;
  color: var(--ef-ink-2);
  font-size: 0.8rem;
  line-height: 1.7;
}

.board-hint b {
  color: var(--ef-ink);
}

.phone-only {
  display: none;
}

@media (max-width: 640px) {
  .phone-only {
    display: inline;
  }
}

.room-rail {
  display: grid;
  gap: 1rem;
}

.room-rail .ef-panel {
  padding-bottom: 1rem;
}

.panel-note {
  margin: 0.8rem 0 0;
  color: var(--ef-ink-2);
  font-size: 0.76rem;
  line-height: 1.65;
}

.bingo-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bingo-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--ef-rule);
  font-size: 0.85rem;
}

.bingo-list li:last-child {
  border-bottom: 0;
}

.bingo-list li b {
  font-weight: 700;
}

.bingo-list li .ef-field {
  margin: 0;
}

.bingo-list .empty {
  color: var(--ef-ink-2);
  font-size: 0.8rem;
  line-height: 1.7;
  padding: 0.35rem 0;
}

.feed {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 14rem;
  overflow-y: auto;
  scrollbar-color: var(--ef-rule) transparent;
}

.feed li {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.42rem 0;
  border-bottom: 1px solid var(--ef-rule);
  font-size: 0.78rem;
  line-height: 1.5;
}

.feed li:last-child {
  border-bottom: 0;
}

.feed time {
  color: var(--ef-ink-2);
  font-variant-numeric: tabular-nums;
  font-stretch: var(--ef-wide);
}

.feed .who {
  font-weight: 600;
}

.feed .what {
  color: var(--ef-ink-2);
}

.link-box {
  margin: 0.6rem 0 0;
  padding: 0.6rem 0.7rem;
  background: var(--ef-paper);
  border: 1px solid var(--ef-rule);
  font-family: var(--ef-font-mono);
  font-size: 0.74rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.room-rail .ef-actions {
  margin-top: 0.7rem;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.live i {
  width: 7px;
  height: 7px;
  background: var(--ef-signal);
}

/* ------------------------------------------------------------ admin page */

.login-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  max-width: 92rem;
  margin-inline: auto;
  padding: clamp(2.5rem, 7vw, 4.5rem) var(--ef-pad) 5rem;
}

.login-col {
  max-width: 34rem;
}

.login-side {
  justify-self: end;
  text-align: right;
  color: var(--ef-ink-2);
}

.login-side .ef-hollow-no {
  display: block;
  font-size: clamp(6rem, 12vw, 11rem);
  line-height: 0.8;
  opacity: 0.55;
}

.login-side .ef-field {
  margin-top: 1rem;
}

.login-title {
  margin: 0.4rem 0 0.9rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
}

.login-lede {
  max-width: 32rem;
  margin: 0;
  color: var(--ef-ink-2);
  line-height: 1.9;
}

.login-form {
  display: grid;
  gap: 1rem;
  max-width: 27rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ef-ink);
}

.login-form .field > small {
  display: block;
  margin-top: 0.4rem;
}

.login-form .ef-actions {
  margin-top: 1.6rem;
}

#links,
#new {
  scroll-margin-top: 1.25rem;
}

.admin {
  max-width: 100rem;
  margin-inline: auto;
  padding: clamp(1.25rem, 3vw, 2rem) var(--ef-pad) clamp(3rem, 6vw, 5rem);
}

.stats-panel {
  margin-bottom: 1.25rem;
}

.ef-seg.is-locked {
  opacity: 0.4;
  pointer-events: none;
}

.ef-figs.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.admin-cols {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 1.25rem;
  align-items: start;
  margin-bottom: 1.25rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.form-grid .ef-seg {
  margin-top: 0.35rem;
}

.form-grid .field > small {
  display: block;
  margin-top: 0.35rem;
  color: var(--ef-ink-2);
  font-size: 0.74rem;
}

.form-grid .field > span {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.created {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ef-rule);
}

.created .link-box {
  margin-top: 0.4rem;
}

.room-table {
  min-width: 52rem;
}

.room-table td {
  vertical-align: middle;
}

.room-table .no-cell {
  font-weight: 700;
  font-stretch: var(--ef-wide);
  font-variant-numeric: tabular-nums;
}

.room-table .code {
  font-family: var(--ef-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.room-table .name-cell {
  max-width: 16rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.room-table .acts {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.3rem;
  justify-content: flex-end;
}

.room-table td {
  white-space: nowrap;
}

.room-table .acts .ef-btn {
  min-height: 1.9rem;
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
}

.room-table .num {
  font-variant-numeric: tabular-nums;
}

.table-hint {
  display: none;
  margin: 0.75rem 0 0;
  color: var(--ef-ink-2);
  font-size: 0.75rem;
}

@media (max-width: 860px) {
  .table-hint {
    display: block;
  }
}

.empty-row td {
  color: var(--ef-ink-2);
  text-align: center;
  padding: 1.5rem;
}

/* --------------------------------------------------------- responsive */

@media (max-width: 1000px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .stage-wrap {
    max-width: 40rem;
  }

  .room-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .room-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .room-rail .ef-panel:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps li,
  .steps li:first-child,
  .steps li:last-child {
    padding: 1.1rem 0 1.2rem;
    border-right: 0;
  }

  .rules-pair {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-cols {
    grid-template-columns: minmax(0, 1fr);
  }

.ef-figs.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem 1rem;
  }

  .room-rail {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .site-top {
    gap: 0.5rem;
    min-height: 3.8rem;
  }

  .site-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    border-top: 1px solid var(--ef-rule);
  }

  .site-top {
    flex-wrap: wrap;
    padding-top: 0.35rem;
  }

  .site-top > .ef-btn {
    margin-left: auto;
  }

  .site-nav a {
    padding: 0.55rem 0.6rem 0.55rem 0;
  }

  .hero {
    padding-top: 1.5rem;
  }

  .hero-facts {
    gap: 0.35rem 0.9rem;
  }

  .board {
    min-width: 27rem;
  }

  .board-panel {
    padding: 0.75rem;
  }


  .ef-cmdbar {
    gap: 0 0.75rem;
  }

  .ef-cmdbar .brand {
    gap: 0.45rem;
    padding-block: 0.45rem;
    font-size: 0.84rem;
  }

  .ef-cmdbar .brand .seal {
    width: 1.9rem;
    height: 1.9rem;
    font-size: 1rem;
  }

  .ef-cmdbar nav a {
    min-height: 2.9rem;
    padding: 0.25rem 0.55rem;
    font-size: 0.85rem;
  }

  .ef-cmdbar nav a small {
    display: none;
  }

  .ef-cmdbar .util {
    gap: 0.5rem;
    margin-left: auto;
  }

  .ef-cmdbar .util .live {
    display: none;
  }

  .ef-cmdbar .util .ef-btn {
    padding: 0.3rem 0.6rem;
  }

  .cmdbar-admin nav {
    display: none;
  }

  .room .ef-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .room .ef-head::after {
    grid-column: 1;
    grid-row: 2;
    margin-top: 0.5rem;
  }

  .room .ef-head h1 {
    flex-wrap: wrap;
    font-size: 1.55rem;
  }

  .room .ef-head h1 small {
    display: none;
  }

  .room .ef-head p {
    grid-column: 1;
  }

  .room-table {
    min-width: 36rem;
  }


  .login-main {
    grid-template-columns: minmax(0, 1fr);
  }

  .login-side {
    display: none;
  }
}

@media (max-width: 400px) {
  .room-rail {
    gap: 0.75rem;
  }
}

/* --------------------------------------------------------- reduced motion */

@media (prefers-reduced-motion: reduce) {
  .board-preview.is-drawing .cell {
    animation: none;
  }
  .cell,
  .cell img {
    transition: none;
  }
}

/* 圆角矩形（与一线同一套观感） */
.cell{ border-radius: 6px; }
.board-preview .cell{ border-radius: 4px; }

/* 选中：窄彩色流动描边 */
@property --cell-flow-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}
.cell.is-on::after {
  content: '';
  position: absolute;
  inset: 0;
  padding: 3px;
  border-radius: inherit;
  background: conic-gradient(from var(--cell-flow-angle), #ff00f0, #fffa00, #00ffa2, #7de6ff, #ff00f0);
  filter: saturate(1.6) brightness(1.08);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: cell-flow 2.6s linear infinite;
  pointer-events: none;
  z-index: 1;
}
@keyframes cell-flow {
  to { --cell-flow-angle: 360deg; }
}
@media (prefers-reduced-motion: reduce) {
  .cell.is-on::after { animation: none; }
}

/* 随机前填 ID */
.roll-id{ display:flex; align-items:center; justify-content:center; gap:.55rem; margin:.7rem 0 .1rem; }
.roll-id span{ font-size:.62rem; letter-spacing:.18em; text-transform:uppercase; color:var(--ef-ink-2, #5c5c5c); }
.roll-id input{
  width:11rem;
  height:2rem;
  padding:0 .55rem;
  border:1px solid var(--ef-rule, #d9d9d6);
  border-radius:0;
  background:var(--ef-panel, #fff);
  font:inherit;
  font-size:.8rem;
  color:var(--ef-ink, #161616);
}
.roll-id input:focus-visible{ outline:2px solid var(--ef-ink, #161616); outline-offset:1px; }

/* 连成一条：贯穿线替代黑框 */
.board { position: relative; }
.bingo-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 4;
  overflow: visible;
}
.bingo-lines text {
  font-family: 'Saira', 'Noto Sans SC', system-ui, sans-serif;
  font-weight: 800;
  letter-spacing: 0.02em;
  opacity: 0.88;
  paint-order: stroke;
  stroke: #161616;
  stroke-width: 2.8;
  stroke-linejoin: round;
}

/* bingo 达成后的两个动作 */
.bingo-actions{ margin-top:.6rem; }
.bingo-actions[hidden]{ display:none; }
.bingo-actions .ef-btn.is-armed{ background:var(--ef-ink); color:var(--ef-panel); }

/* 链接与房间号 */
.link-code{ margin:0 0 .45rem; font-size:.72rem; letter-spacing:.08em; color:var(--ef-ink-2, #5c5c5c); }
.link-code b{ font-family:'Saira', system-ui, sans-serif; font-size:.9rem; letter-spacing:.12em; color:var(--ef-ink, #161616); }

/* 主界面：输入房间号 */
.join-room{ display:flex; align-items:center; gap:.5rem; margin:.9rem 0 .2rem; }
.join-room__label{ font-size:.62rem; letter-spacing:.18em; text-transform:uppercase; color:var(--ef-ink-2, #5c5c5c); }
.join-room input{
  width:10rem; height:2.1rem; padding:0 .55rem;
  border:1px solid var(--ef-rule, #d9d9d6); border-radius:0;
  background:var(--ef-panel, #fff); font:inherit; font-size:.82rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--ef-ink, #161616);
}
.join-room input:focus-visible{ outline:2px solid var(--ef-ink, #161616); outline-offset:1px; }

/* 连成后的弹窗 */
.bingo-dialog{ position:fixed; inset:0; z-index:20; display:grid; place-items:center; padding:1rem; }
.bingo-dialog[hidden]{ display:none; }
.bingo-dialog__backdrop{ position:absolute; inset:0; background:rgba(22,22,22,.5); }
.bingo-dialog__panel{
  position:relative; width:100%; max-width:24rem; padding:1.3rem 1.4rem 1.2rem;
  background:var(--ef-panel, #fff); border:1px solid var(--ef-ink, #161616); text-align:center;
}
.bingo-dialog__panel h2{ margin:.2rem 0 .5rem; font-size:1.15rem; }
.bingo-dialog__lead{ margin:0 0 1rem; font-size:.82rem; line-height:1.7; color:var(--ef-ink-2, #5c5c5c); }
.bingo-dialog__actions{ display:flex; flex-wrap:wrap; gap:.5rem; justify-content:center; }

/* 登录页与常规 bingo 排版 */
.login-panel{ max-width:24rem; }
.layout-main{ display:grid; grid-template-columns:minmax(0,1.35fr) minmax(0,1fr); gap:1rem; padding:1rem; max-width:80rem; margin:0 auto; }
@media (max-width:900px){ .layout-main{ grid-template-columns:1fr; } }
.layout-board{ display:grid; grid-template-columns:repeat(9,minmax(0,1fr)); gap:2px; }
.layout-slot{
  position:relative; aspect-ratio:1; display:grid; place-items:center; padding:0; overflow:hidden;
  border:1px solid var(--ef-rule,#d9d9d6); background:var(--ef-panel,#fff);
  font-size:.6rem; color:var(--ef-ink-2,#5c5c5c); cursor:pointer;
}
.layout-slot img{ position:absolute; left:3%; top:3%; width:94%; height:94%; max-width:100%; max-height:100%; object-fit:contain; }
.layout-slot.is-selected{ outline:2px solid var(--ef-ink,#161616); outline-offset:-2px; }
.layout-inventory{ display:grid; grid-template-columns:repeat(auto-fill,minmax(5.4rem,1fr)); gap:.4rem; max-height:34rem; overflow:auto; }
.layout-item{
  display:grid; gap:.15rem; justify-items:center; padding:.3rem; cursor:pointer;
  border:1px solid var(--ef-rule,#d9d9d6); background:var(--ef-panel,#fff);
  font-size:.6rem; color:var(--ef-ink-2,#5c5c5c);
}
.layout-item img{ width:100%; max-width:100%; aspect-ratio:1; object-fit:contain; }
.layout-item.is-used{ opacity:.32; cursor:not-allowed; }
.layout-actions{ display:flex; flex-wrap:wrap; align-items:center; gap:.5rem; margin-top:.8rem; }
.layout-search{ height:2rem; width:100%; padding:0 .55rem; border:1px solid var(--ef-rule,#d9d9d6); border-radius:0; background:var(--ef-panel,#fff); font:inherit; font-size:.8rem; }
.layout-slot.is-drop{ outline:2px dashed var(--ef-ink,#161616); outline-offset:-2px; }

/* 常规入口的几连选择与入场 ID */
.normal-rule{ display:inline-flex; align-items:center; gap:.35rem; font-size:.62rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ef-ink-2,#5c5c5c); }
.normal-rule select{
  height:2.1rem; padding:0 .4rem; border:1px solid var(--ef-rule,#d9d9d6); border-radius:0;
  background:var(--ef-panel,#fff); font:inherit; font-size:.8rem; color:var(--ef-ink,#161616);
}
.id-gate-input{
  width:100%; height:2.2rem; padding:0 .55rem; margin-top:.25rem;
  border:1px solid var(--ef-rule,#d9d9d6); border-radius:0;
  background:var(--ef-panel,#fff); font:inherit; font-size:.85rem; color:var(--ef-ink,#161616);
}
.id-gate-input:focus-visible{ outline:2px solid var(--ef-ink,#161616); outline-offset:1px; }

/* 排版页：品质筛选 */
.layout-filter{ display:flex; gap:.35rem; margin:.5rem 0 .6rem; }
.layout-filter button{
  flex:1; height:1.9rem; border:1px solid var(--ef-rule,#d9d9d6); border-radius:0;
  background:var(--ef-panel,#fff); font:inherit; font-size:.66rem; letter-spacing:.08em;
  color:var(--ef-ink-2,#5c5c5c); cursor:pointer;
}
.layout-filter button.is-on{ background:var(--ef-ink,#161616); color:var(--ef-panel,#fff); border-color:var(--ef-ink,#161616); }
.layout-slot.is-drop{ outline:2px dashed var(--ef-ink,#161616); outline-offset:-2px; }

/* 排版页：按品质上底色（4 级紫、5 级金） */
.layout-slot.lv4, .layout-item.lv4 { background: var(--lv4-idle); }
.layout-slot.lv5, .layout-item.lv5 { background: var(--lv5-idle); }
.layout-item.is-used { opacity: .32; }

/* 排版页：格子与物品圆角，和 bingo 棋盘一致 */
.layout-slot{ border-radius: 6px; }
.layout-item{ border-radius: 6px; }
.layout-item img, .layout-slot img{ border-radius: 4px; }
.layout-inventory.is-drop{ outline:2px dashed var(--ef-ink,#161616); outline-offset:-4px; }

/* 全局物品库 */
.items-main{ display:grid; gap:1rem; padding:1rem; max-width:80rem; margin:0 auto; }
.item-form{ display:grid; gap:.6rem; max-width:34rem; }
.item-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(4.8rem,1fr)); gap:.4rem; margin-top:.6rem; }
.item-card{ position:relative; display:grid; gap:.15rem; justify-items:center; padding:.3rem; border:1px solid var(--ef-rule,#d9d9d6); border-radius:8px; font-size:.56rem; }
.item-card.lv4{ background:var(--lv4-idle); }
.item-card.lv5{ background:var(--lv5-idle); }
.item-card img{ width:74%; max-width:100%; aspect-ratio:1; object-fit:contain; border-radius:6px; }
.item-card__name{ text-align:center; line-height:1.3; }
.item-card__level{ color:var(--ef-ink-2,#5c5c5c); letter-spacing:.08em; }
.item-card .danger{ font-size:.58rem; padding:3px 6px; }

/* 物品库删除按钮 */
.danger{
  border:1px solid #b3261e; border-radius:0; background:transparent; color:#b3261e;
  font-size:.6rem; letter-spacing:.06em; padding:3px 7px; cursor:pointer;
}
.danger.is-armed{ background:#b3261e; color:#fff; }

/* 随机池 */
.pool-bar{ display:flex; flex-wrap:wrap; align-items:center; gap:.45rem; margin:.5rem 0 .2rem; }
.pool-pick{ display:inline-flex; align-items:center; gap:.25rem; font-size:.58rem; color:var(--ef-ink-2,#5c5c5c); }
.pool-pick input{ accent-color: var(--ef-ink,#161616); }

/* 操作日志 */
.log-list{ list-style:none; margin:.6rem 0 0; padding:0; }
.log-item{ display:flex; flex-wrap:wrap; gap:.6rem; align-items:baseline; padding:.45rem 0; border-top:1px solid var(--ef-rule,#d9d9d6); font-size:.72rem; }
.log-item time{ color:var(--ef-ink-2,#5c5c5c); font-variant-numeric:tabular-nums; }
.log-user{ font-weight:800; color:var(--ef-ink); }
.log-user::first-letter{ color:var(--ef-ink); }
.log-what{ letter-spacing:.04em; }
.log-detail{ flex:1 1 auto; color:var(--ef-ink-2,#5c5c5c); text-align:right; }
.log-empty{ padding:.8rem 0; color:var(--ef-ink-2,#5c5c5c); font-size:.75rem; }


/* 右上角纯红色 X */
.item-x{
  position:absolute; top:1px; right:4px; z-index:2;
  padding:0; margin:0; border:0; background:transparent;
  color:#b3261e; font-size:1rem; font-weight:700; line-height:1; cursor:pointer;
}
.item-x:hover{ color:#e0311f; }
.item-x:disabled{ opacity:.4; cursor:not-allowed; }

/* 返回上一页：放进顶部导航 */
.back-btn{ margin-right:.6rem; }
.back-fab{
  position:fixed; left:1rem; bottom:calc(1rem + env(safe-area-inset-bottom, 0px));
  z-index:30; background:var(--ef-panel,#fff); border:1px solid var(--ef-ink,#161616);
}

/* 后台圆盘导航 */
.dial{ position:fixed; right:1rem; bottom:calc(1rem + env(safe-area-inset-bottom,0px)); z-index:35; width:3.2rem; height:3.2rem; }
.dial__center{
  width:3.2rem; height:3.2rem; border-radius:50%; display:grid; place-items:center;
  border:1px solid var(--ef-ink,#161616); background:var(--ef-ink,#161616); color:var(--ef-panel,#fff);
  font:inherit; font-size:.62rem; letter-spacing:.08em; cursor:pointer;
}
.dial__item{
  position:absolute; left:50%; top:50%; width:2.7rem; height:2.7rem; margin:-1.35rem 0 0 -1.35rem;
  border-radius:50%; display:grid; place-items:center; text-decoration:none;
  border:1px solid var(--ef-ink,#161616); background:var(--ef-panel,#fff); color:var(--ef-ink,#161616);
  font-size:.6rem; letter-spacing:.04em; opacity:0; pointer-events:none;
  transition:transform .28s cubic-bezier(.7,0,.2,1), opacity .2s;
  transform:rotate(0deg) translate(0) rotate(0deg);
}
.dial.is-open .dial__item{ opacity:1; pointer-events:auto; }
.dial.is-open .dial__item:nth-child(2){ transform:rotate(0deg) translate(4.4rem) rotate(0deg); }
.dial.is-open .dial__item:nth-child(3){ transform:rotate(72deg) translate(4.4rem) rotate(-72deg); }
.dial.is-open .dial__item:nth-child(4){ transform:rotate(144deg) translate(4.4rem) rotate(-144deg); }
.dial.is-open .dial__item:nth-child(5){ transform:rotate(216deg) translate(4.4rem) rotate(-216deg); }
.dial.is-open .dial__item:nth-child(6){ transform:rotate(288deg) translate(4.4rem) rotate(-288deg); }

/* 居中大圆盘导航 */
.dial-fab{
  position:fixed; right:1rem; bottom:calc(1rem + env(safe-area-inset-bottom,0px)); z-index:45;
  width:3.2rem; height:3.2rem; border-radius:50%;
  border:1px solid var(--ef-ink,#161616); background:var(--ef-ink,#161616); color:var(--ef-panel,#fff);
  font:inherit; font-size:.62rem; letter-spacing:.08em; cursor:pointer;
}
.dial-overlay{ position:fixed; inset:0; z-index:60; display:grid; place-items:center; background:rgba(22,22,22,.5); }
.dial-overlay[hidden]{ display:none; }
.dial-ring{
  position:relative; width:min(80vw,30rem); aspect-ratio:1; border-radius:50%;
  border:1px solid var(--ef-ink,#161616);
  background:conic-gradient(from -90deg,
    var(--ef-panel,#fff) 0 68deg, var(--ef-ink,#161616) 68deg 69deg,
    var(--ef-panel,#fff) 69deg 137deg, var(--ef-ink,#161616) 137deg 138deg,
    var(--ef-panel,#fff) 138deg 206deg, var(--ef-ink,#161616) 206deg 207deg,
    var(--ef-panel,#fff) 207deg 275deg, var(--ef-ink,#161616) 275deg 276deg,
    var(--ef-panel,#fff) 276deg 344deg, var(--ef-ink,#161616) 344deg 345deg,
    var(--ef-panel,#fff) 345deg 360deg);
}
.dial-core{
  position:absolute; left:50%; top:50%; width:34%; aspect-ratio:1; margin:-17% 0 0 -17%;
  border-radius:50%; border:1px solid var(--ef-ink,#161616); background:var(--ef-paper,#f4f4f2);
  display:grid; place-items:center; text-align:center; gap:.1rem; padding:.4rem;
}
.dial-core__en{ font-size:.55rem; letter-spacing:.18em; text-transform:uppercase; color:var(--ef-ink-2,#5c5c5c); }
.dial-core b{ font-size:.78rem; }
.dial-seg{
  position:absolute; left:50%; top:50%; width:26%; margin:-13% 0 0 -13%;
  display:grid; gap:.05rem; place-items:center; text-align:center;
  text-decoration:none; color:var(--ef-ink,#161616);
  transform:rotate(calc(var(--a) * 1deg)) translateY(-31%) rotate(calc(var(--a) * -1deg));
}
.dial-seg:nth-child(2){ --a:-72; }
.dial-seg:nth-child(3){ --a:0; }
.dial-seg:nth-child(4){ --a:72; }
.dial-seg:nth-child(5){ --a:144; }
.dial-seg:nth-child(6){ --a:216; }
.dial-seg__en{ font-size:.52rem; letter-spacing:.16em; text-transform:uppercase; color:var(--ef-ink-2,#5c5c5c); }
.dial-seg b{ font-size:.78rem; }
.dial-seg:hover b{ text-decoration:underline; }

/* 控制台（skill dial） */
.console{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(17rem,27rem) minmax(0,1fr);
  grid-template-rows:repeat(3,minmax(0,1fr));
  gap:1rem 1.2rem;
  padding:1.2rem;
  max-width:76rem;
  margin:0 auto;
  align-items:stretch;
}
.console-dial{ grid-column:2; grid-row:1 / span 3; display:flex; align-items:center; justify-content:center; padding:0; }
.console-dial .ef-dial{ display:block; width:100%; max-width:27rem; height:auto; }
.console-panels{ display:contents; }
.console-panels .ef-fig:nth-child(1){ grid-column:1; grid-row:1; }
.console-panels .ef-fig:nth-child(2){ grid-column:1; grid-row:2; }
.console-panels .ef-fig:nth-child(3){ grid-column:1; grid-row:3; }
.console-panels .ef-fig:nth-child(4){ grid-column:3; grid-row:1; }
.console-panels .ef-fig:nth-child(5){ grid-column:3; grid-row:2; }
.console-panels .ef-fig:nth-child(6){ grid-column:3; grid-row:3; }
@media (max-width:1000px){
  .console{ grid-template-columns:minmax(0,1fr); grid-template-rows:auto; }
  .console-dial{ grid-column:1; grid-row:1; }
  .console-panels{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.8rem; }
  .console-panels .ef-fig{ grid-column:auto !important; grid-row:auto !important; }
}
.console-panels .ef-fig{ border:1px solid var(--ef-rule,#d9d9d6); background:var(--ef-panel,#fff); padding:.8rem .9rem; }
.console-panels h2{ margin:.15rem 0 .5rem; font-size:1rem; }
.ef-figure{ margin:0; display:flex; align-items:baseline; gap:.3rem; }
.ef-figure b{ font-family:'Saira',system-ui,sans-serif; font-size:1.9rem; line-height:1; }
.ef-figure i{ font-style:normal; font-size:.62rem; color:var(--ef-ink-2,#5c5c5c); }

/* 控制台摘要看板：整块可点，当前页内跳转 */
.ef-panel.is-clickable {
  cursor: pointer;
}
.ef-panel.is-clickable:focus-visible {
  outline: 2px solid var(--ef-trace);
  outline-offset: -4px;
}

/* 后台单页切换：控制台顶栏不动，内容在 iframe 里换页 */
.admin-view {
  max-width: 100rem;
  margin-inline: auto;
  padding: 0 var(--ef-pad) 2.5rem;
}

.admin-view-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--ef-rule);
  margin-bottom: 1rem;
}

.admin-view-bar .ef-field {
  margin: 0 0 0 auto;
  color: var(--ef-ink-2);
}

.admin-frame {
  display: block;
  width: 100%;
  height: calc(100dvh - 11.5rem);
  min-height: 28rem;
  border: 0;
  background: var(--ef-paper);
}

/* 被嵌进控制台的后台页：去掉自己的顶栏和三色条 */
html.is-embedded .site-top,
html.is-embedded .ef-cmdbar,
html.is-embedded .back-btn,
html.is-embedded .dial-fab,
html.is-embedded .dial-overlay,
html.is-embedded .ef-tri {
  display: none !important;
}

html.is-embedded .items-main,
html.is-embedded .layout-main,
html.is-embedded .admin {
  padding-top: 1rem;
}

@media (max-width: 720px) {
  .admin-view-bar {
    flex-wrap: wrap;
  }
  .admin-frame {
    height: calc(100dvh - 13rem);
    min-height: 24rem;
  }
}