:root {
  color-scheme: light dark;
  /* 绮夌郴鍧楃姸 UI锛涙鏂囩敤绯荤粺瀛椾綋淇濊瘉涓嫳鏂囦笌鏁板瓧鏄撹 */
  --bg: #e5dce4;
  --panel: #efe7ee;
  --ink: #2a222c;
  --muted: #5d515c;
  --line: #b57794;
  --accent: #c9588c;
  --accent-ink: #fdf8fb;
  --danger: #b83254;
  --bubble-me: #e2bbd1;
  --bubble-them: #e8e0e7;
  --pixel-frame: #453341;
  --pixel-frame-mid: #624a5c;
  --pixel-drop-sm: 3px 3px 0 var(--pixel-frame);
  --pixel-drop: 4px 4px 0 var(--pixel-frame);
  --pixel-drop-lg: 6px 6px 0 var(--pixel-frame);
  --shadow-soft: var(--pixel-drop);
  --shadow-soft-lg: var(--pixel-drop-lg);
  --shadow-bubble-drop: var(--pixel-drop-sm);
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
  --radius-pill: 0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141016;
    --panel: #1f1a1f;
    --ink: #f4ecf2;
    --muted: #b89aae;
    --line: #8a5f76;
    --accent: #f070ae;
    --accent-ink: #181018;
    --danger: #f06696;
    --bubble-me: #312931;
    --bubble-them: #29242b;
    --pixel-frame: #ebb0ce;
    --pixel-frame-mid: #dc8fba;
  }
}

* {
  box-sizing: border-box;
}

::selection {
  background: color-mix(in srgb, var(--accent) 34%, transparent);
  color: inherit;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto,
    "Noto Sans", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei",
    "Hiragino Sans GB", sans-serif;
  font-feature-settings: "kern" 1;
  background-color: var(--bg);
  background-image:
    linear-gradient(transparent 3px, color-mix(in srgb, var(--line) 22%, transparent) 3px),
    linear-gradient(
      90deg,
      transparent 3px,
      color-mix(in srgb, var(--line) 22%, transparent) 3px
    );
  background-size: 4px 4px;
  background-attachment: fixed;
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.52;
}

/* 宸ヤ綔鍙版墦寮€鏃讹細html/workspace-open锛堢敱鑴氭湰鍒囨崲锛夐攣浣忚鍙ｉ珮搴︼紝閬垮厤鏁撮〉琚秷鎭拺闀垮鑷磋緭鍏ユ婊氬嚭瑙嗛噹銆?*/

/* Use position:fixed rather than vh/dvh so mobile keyboard changes do not break scroll anchoring */
html.workspace-open {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

html.workspace-open body {
  overflow: hidden;
  height: 100%;
  margin: 0;
}

html.workspace-open #workspace.workspace {
  box-sizing: border-box;
  height: 100%;
  max-height: 100%;
  overflow: hidden;
}

body:has(#workspace:not([hidden])) {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

body:has(#workspace:not([hidden])) #workspace.workspace {
  box-sizing: border-box;
  height: 100%;
  max-height: 100%;
  overflow: hidden;
}

@media (prefers-color-scheme: dark) {
  body {
    background-image:
      linear-gradient(transparent 3px, color-mix(in srgb, var(--line) 14%, transparent) 3px),
      linear-gradient(
        90deg,
        transparent 3px,
        color-mix(in srgb, var(--line) 14%, transparent) 3px
      );
    background-size: 4px 4px;
  }
}

[hidden] {
  display: none !important;
}

/* 门禁内 checkbox 已由左上角切换钮替代（DOM 保留供表单提交同步） */
#gate-form .field.field-checkbox {
  display: none !important;
}

/* 左上角 · 低调版式切换 */
.ui-shell-toggle {
  position: fixed;
  top: max(12px, env(safe-area-inset-top, 0px));
  left: max(12px, env(safe-area-inset-left, 0px));
  z-index: 10001;
  width: min(42px, 12vw);
  height: min(42px, 12vw);
  min-width: 28px;
  min-height: 28px;
  padding: 0;
  margin: 0;
  display: grid;
  place-items: center;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1;
  font-weight: 500;
  color: color-mix(in srgb, var(--muted) 48%, transparent);
  background: color-mix(in srgb, var(--panel) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--pixel-frame) 28%, transparent);
  border-radius: 999px;
  box-shadow: none;
  opacity: 0.38;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition:
    opacity 0.16s ease,
    color 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.ui-shell-toggle:hover,
.ui-shell-toggle:focus-visible {
  opacity: 0.92;
  color: color-mix(in srgb, var(--muted) 78%, var(--accent) 22%);
  border-color: color-mix(in srgb, var(--pixel-frame) 55%, var(--accent) 45%);
}

.ui-shell-toggle:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 3px;
}

.ui-shell-toggle:active {
  opacity: 0.65;
  transform: scale(0.96);
}

html.beta-shell .ui-shell-toggle {
  background: color-mix(in srgb, rgba(255, 255, 255, 0.14) 100%, transparent);
  border-color: color-mix(in srgb, rgba(255, 255, 255, 0.12) 100%, transparent);
  color: color-mix(in srgb, rgba(255, 255, 255, 0.38) 100%, transparent);
}

html.beta-shell .ui-shell-toggle:hover,
html.beta-shell .ui-shell-toggle:focus-visible {
  color: color-mix(in srgb, rgba(255, 255, 255, 0.78) 100%, transparent);
  border-color: color-mix(in srgb, rgba(255, 255, 255, 0.28) 100%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  .ui-shell-toggle:active {
    transform: none;
  }
}

/* --- Gate (鈥渘ot IM鈥? fa莽ade --- */

#gate-root {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.gate-sheet {
  width: min(480px, 100%);
  background: var(--panel);
  border: 3px solid var(--pixel-frame);
  padding: 1.85rem 1.65rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft-lg);
}
@media (max-width: 480px) {
  .gate-sheet {
    padding: 1.4rem 1rem;
    border-width: 2px;
  }
  .gate-sheet h1 {
    font-size: 1.05rem;
  }
  .gate-sheet p.small {
    font-size: 0.8rem;
  }
  .quick-pin-digit {
    width: 42px;
    height: 48px;
    font-size: 18px;
    line-height: 48px;
  }
}

.gate-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  font-weight: 500;
  color: color-mix(in srgb, var(--muted) 82%, var(--accent) 18%);
  margin-bottom: 0.45rem;
}

.gate-sheet h1 {
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: 0.01em;
  margin: 0 0 0.75rem;
}

.gate-sheet p.small {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.field input {
  width: 100%;
  padding: 0.7rem 0.82rem;
  border: 3px solid var(--pixel-frame);
  background: color-mix(in srgb, var(--panel) 82%, var(--bubble-me) 18%);
  color: inherit;
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  box-shadow: var(--pixel-drop-sm);
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

.field input:hover {
  border-color: var(--accent);
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--pixel-drop-sm),
    inset 2px 2px 0 color-mix(in srgb, var(--accent) 18%, transparent);
}

@media (prefers-color-scheme: dark) {
  .field input {
    background: color-mix(in srgb, var(--panel) 78%, var(--bubble-me) 22%);
  }
}

.gate-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.25rem;
  align-items: center;
}

button {
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border: 3px solid var(--pixel-frame);
  padding: 0.54rem 1.18rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  box-shadow: var(--pixel-drop);
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease;
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary {
    transition: none;
  }
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, black 12%);
}

@media (prefers-color-scheme: dark) {
  .btn-primary:hover {
    background: color-mix(in srgb, var(--accent) 92%, white 8%);
  }
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--pixel-frame);
}

.btn-primary:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  filter: grayscale(0.25);
}

.btn-ghost {
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border: 3px solid var(--pixel-frame);
  color: inherit;
  padding: 0.5rem 0.94rem;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--pixel-drop-sm);
  transition:
    background 0.12s ease,
    transform 0.1s ease,
    box-shadow 0.1s ease;
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
}

.btn-ghost:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--pixel-frame);
}

@media (prefers-reduced-motion: reduce) {
  .btn-ghost {
    transition: none;
  }
  .btn-ghost:active,
  .btn-primary:active {
    transform: none;
  }
}

.gate-msg {
  font-size: 0.82rem;
  color: var(--danger);
  min-height: 1.25em;
}

/* --- Workspace --- */

.workspace {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  box-shadow:
    inset 4px 0 0 color-mix(in srgb, var(--pixel-frame) 45%, transparent),
    inset -4px 0 0 color-mix(in srgb, var(--pixel-frame) 45%, transparent);
}

.ws-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.72rem 1rem;
  border-bottom: 3px solid color-mix(in srgb, var(--pixel-frame) 72%, transparent);
  background: var(--panel);
}

.ws-header strong {
  font-weight: 700;
  letter-spacing: 0;
  font-size: 0.92rem;
  text-transform: none;
  color: var(--accent);
  text-shadow:
    1px 0 0 var(--pixel-frame),
    -1px 0 0 var(--pixel-frame),
    0 1px 0 var(--pixel-frame),
    0 -1px 0 var(--pixel-frame);
}

@media (prefers-color-scheme: dark) {
  .ws-header strong {
    color: var(--accent);
    text-shadow:
      1px 0 0 var(--bg),
      -1px 0 0 var(--bg),
      0 1px 0 var(--bg),
      0 -1px 0 var(--bg),
      2px 2px 0 color-mix(in srgb, var(--pixel-frame) 55%, transparent);
  }
}

.ws-header span.hint {
  font-size: 0.82rem;
  color: var(--muted);
}

.crypto-indicator {
  font-size: 0.9rem;
  cursor: default;
  user-select: none;
  flex-shrink: 0;
}
.crypto-on { color: #22c55e; }
.crypto-off { color: #ef4444; font-weight: bold; }

.crypto-warning {
  font-size: 0.72rem;
  color: #ef4444;
  font-weight: 700;
  flex-shrink: 0;
}

.ws-header span#partner-pres-dot {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.ws-header span#partner-pres-dot .partner-pres-live-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 0;
  background: color-mix(in srgb, #34d399 93%, black 7%);
  border: 2px solid color-mix(in srgb, #047857 78%, black 22%);
  box-shadow: var(--pixel-drop-sm);
}

@media (prefers-color-scheme: dark) {
  .ws-header span#partner-pres-dot .partner-pres-live-dot {
    background: color-mix(in srgb, #4ade81 94%, transparent);
    border-color: color-mix(in srgb, #bbf7d0 35%, #166534 65%);
    box-shadow: none;
  }
}

.ws-header span#partner-pres-dot.partner-pres-clickable {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 0.15em;
}

.ws-header-info {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.75rem;
  min-width: 0;
}

.ws-header-status {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--muted);
  flex-shrink: 0;
}

.ws-header-spacer {
  flex: 1;
  min-width: 0.5rem;
}

.ws-header .btn-ghost {
  flex-shrink: 0;
  white-space: nowrap;
}

#btn-favorites {
  font-size: 0.78rem;
}

#btn-favorites:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ws-header .btn-favorites-active {
  outline: 2px solid color-mix(in srgb, #eab308 55%, var(--accent));
  outline-offset: 1px;
  background: color-mix(in srgb, #eab308 12%, transparent);
  font-weight: 650;
}

.workspace .ws-log {
  min-height: 0;
  padding: 0.65rem 0.75rem;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
}

.workspace .ws-log:has(> .empty-log:only-child) {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.empty-log {
  text-align: center;
  padding: 2rem 1.5rem;
  max-width: min(22rem, 100%);
  margin: 0 auto;
  font-size: 0.87rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: color-mix(in srgb, var(--muted) 72%, var(--accent) 12%);
}

.empty-log.empty-log-favorites-empty {
  white-space: pre-line;
}

.bubble-quote-btn {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  flex-shrink: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  margin: 0;
  padding: 0.08rem 0.18rem;
  border: none;
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  opacity: 0.28;
  transition: opacity 0.15s;
  touch-action: manipulation;
}
.bubble-quote-btn:hover,
.bubble-quote-btn:focus-visible {
  opacity: 0.7;
  color: var(--accent);
  background: color-mix(in srgb, var(--muted) 10%, transparent);
}

/* 引用预览块 */
.quote-preview {
  margin-bottom: 0.32rem;
  padding: 0.34rem 0.55rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  font-size: 0.8rem;
  line-height: 1.38;
}
.quote-preview-text {
  color: color-mix(in srgb, currentColor 72%, transparent);
  white-space: pre-wrap;
  word-wrap: break-word;
}
.bubble--reply {
  font-size: 0.905rem;
}

.bubble-row {
  position: relative;
  display: flex;
  margin-bottom: 0.55rem;
  align-items: flex-end;
  gap: 0.32rem;
}
.bubble-row--has-quote {
  padding-left: 1.1rem;
}

.bubble-row.mine {
  justify-content: flex-end;
}

.bubble-wrap {
  max-width: 78%;
  position: relative;
}

.bubble {
  padding: 0.44rem 0.65rem;
  border: 3px solid var(--pixel-frame);
  font-size: 0.905rem;
  line-height: 1.44;
  word-wrap: break-word;
  white-space: pre-wrap;
  box-shadow: var(--shadow-bubble-drop);
}

.bubble-row.mine .bubble {
  background: var(--bubble-me);
  border-radius: var(--radius-md);
}

.bubble-row.theirs .bubble {
  background: var(--bubble-them);
  border-radius: var(--radius-md);
}

/** 鎺ユ敹鏂瑰€掕鏃舵湡闂达細鍐呭鍙婃彃鍥惧凡浠庣晫闈㈠墺闄わ紝鍗犱綅浠呮壙鎵樻彁绀烘潯 */
.bubble.bubble--stripped-removal {
  min-height: 1.85rem;
  opacity: 0.88;
}

.bubble-row.mine .bubble.bubble--stripped-removal {
  background: color-mix(in srgb, var(--bubble-me) 72%, var(--panel));
}

.bubble-row.theirs .bubble.bubble--stripped-removal {
  background: color-mix(in srgb, var(--bubble-them) 72%, var(--panel));
}

.bubble-wrap--media {
  padding: 0.32rem;
  border-radius: var(--radius-md);
  border: 3px solid var(--pixel-frame);
  box-shadow: var(--shadow-bubble-drop);
}

.bubble-row.mine .bubble-wrap--media {
  background: var(--bubble-me);
}

.bubble-row.theirs .bubble-wrap--media {
  background: var(--bubble-them);
}

.bubble-image {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  vertical-align: middle;
  cursor: pointer;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.bubble-caption {
  margin-top: 0.28rem;
  padding: 0 0.12rem 0 0.06rem;
  font-size: 0.9rem;
  line-height: 1.42;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.meta {
  margin-top: 0.18rem;
  font-size: 0.68rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.meta-send-status {
  font-weight: 500;
  opacity: 0.88;
  letter-spacing: 0.02em;
}

.meta-send-status--fail {
  color: var(--danger);
  opacity: 1;
}

.meta-read-check {
  color: #22c55e;
  font-size: 0.6rem;
}

.meta-read-wait {
  color: #3b82f6;
  font-size: 0.6rem;
}

/* 鍙戦€佸け璐ユ爣璁帮紙宸辨柟姘旀场涓嬭锛屽潡鐘跺儚绱犳牱寮忥級 */
span.bubble-send-fail-dot,
button.bubble-send-fail-dot {
  position: absolute;
  bottom: -1px;
  left: 2px;
  box-sizing: border-box;
  width: 8px;
  height: 8px;
  padding: 0;
  margin: 0;
  border-radius: 0;
  flex-shrink: 0;
  background: #ff3b43;
  border: 2px solid var(--pixel-frame);
  box-shadow: var(--pixel-drop-sm);
}

button.bubble-send-fail-dot {
  cursor: pointer;
  transition: transform 0.12s ease;
}

.bubble-send-fail-dot--static {
  pointer-events: none;
  cursor: default;
}

button.bubble-send-fail-dot:hover,
button.bubble-send-fail-dot:focus-visible {
  transform: scale(1.08);
}

button.bubble-send-fail-dot:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  button.bubble-send-fail-dot:hover,
  button.bubble-send-fail-dot:focus-visible {
    transform: none;
  }
}

@media (prefers-color-scheme: dark) {
  span.bubble-send-fail-dot,
  button.bubble-send-fail-dot {
    background: #ff5c64;
    border-color: var(--pixel-frame);
  }
}

button.bubble-remove-side {
  flex-shrink: 0;
  align-self: flex-end;
  margin-bottom: 0.06rem;
  padding: 0.08rem 0.18rem;
  touch-action: manipulation;
  border: 2px dashed color-mix(in srgb, var(--pixel-frame) 55%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--muted) 76%, var(--accent) 12%);
  cursor: pointer;
  opacity: 0.94;
  transition:
    color 0.15s ease,
    opacity 0.15s ease,
    background 0.15s ease;
}

button.bubble-remove-side:hover {
  color: color-mix(in srgb, var(--accent) 45%, var(--muted));
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  opacity: 1;
}

button.bubble-remove-side:focus-visible {
  outline: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  button.bubble-remove-side {
    transition: none;
  }
}

.bubble-side-actions {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 0.1rem;
  flex-shrink: 0;
  align-self: flex-end;
  margin-bottom: 0.02rem;
}

.bubble-row.bubble-row--favorited:not(.covert-row) .bubble-wrap {
  outline: 1px dashed color-mix(in srgb, #ca8a04 38%, var(--accent) 22%);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button.bubble-favorite {
  flex-shrink: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1;
  margin: 0;
  padding: 0.06rem 0.08rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  touch-action: manipulation;
  color: color-mix(in srgb, var(--muted) 72%, var(--accent) 18%);
  opacity: 0.42;
  width: 1.25em;
  height: 1.25em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.2s ease,
    color 0.18s ease;
}

button.bubble-favorite::before {
  content: "T";
  display: block;
  font-size: 0.7em;
  font-weight: 700;
  line-height: 1;
  transform: rotate(25deg);
  margin-top: -0.04em;
}

button.bubble-favorite:hover:not(:disabled) {
  opacity: 0.82;
}

button.bubble-favorite.bubble-favorite--on {
  opacity: 0.9;
  color: color-mix(in srgb, #ca8a04 92%, var(--muted));
}

button.bubble-favorite:disabled {
  cursor: progress;
  opacity: 0.32;
}

button.bubble-favorite:focus-visible {
  outline: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  button.bubble-favorite {
    transition: none;
  }
}

.ws-compose {
  position: relative;
  display: flex;
  gap: 0.4rem;
  padding: 0.58rem 0.82rem;
  border-top: 3px solid color-mix(in srgb, var(--pixel-frame) 38%, transparent);
  background: var(--panel);
  align-items: flex-end;
  flex-shrink: 0;
}

.ws-compose textarea {
  flex: 1;
  resize: none;
  min-height: 3.85rem;
  max-height: 12rem;
  border: 3px solid var(--pixel-frame);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.72rem;
  font: inherit;
  line-height: 1.4;
  background: color-mix(in srgb, var(--panel) 80%, var(--bubble-me) 20%);
  color: inherit;
  box-shadow: inset 4px 4px 0 color-mix(in srgb, var(--pixel-frame) 12%, transparent);
  overflow-y: auto;
  transition:
    border-color 0.12s ease,
    box-shadow 0.12s ease;
}

.ws-compose textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow:
    inset 4px 4px 0 color-mix(in srgb, var(--accent) 14%, transparent),
    inset 6px 6px 0 color-mix(in srgb, var(--pixel-frame) 8%, transparent);
}

@media (prefers-color-scheme: dark) {
  .ws-compose textarea {
    background: color-mix(in srgb, var(--panel) 76%, var(--bubble-me) 24%);
  }
}

#btn-attach-image {
  flex-shrink: 0;
  max-height: 3.1rem;
  white-space: nowrap;
}

.badge-soft {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--pixel-frame);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
}

.danger-lite {
  color: var(--danger);
}

/* 鍙屾柟绉婚櫎锛氭暣鍧楁皵娉′竴璧疯繃娓★紝鍊掕鏃跺祵鍦ㄥ師鏂囨垨濯掍綋鍗＄墖鍐咃紙鏃犵嫭绔嬬（鐮傚眰锛?*/
.bubble-wrap--removal-active {
  transition:
    opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.35s ease;
  filter: saturate(0.82);
}

.bubble-wrap--removal-active.bubble-wrap--removal-exit {
  opacity: 0;
  transform: scale(0.97) translateY(2px);
  filter: saturate(0.35);
  pointer-events: none;
}

.bubble:has(.bubble-removal-meter) {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.bubble-removal-meter {
  display: flex;
  align-items: baseline;
  gap: 0.38rem;
  margin: 0;
  padding-top: 0.3rem;
  border-top: 1px solid color-mix(in srgb, var(--line) 44%, transparent);
  font-size: 0.68rem;
}

.bubble-row.mine .bubble-removal-meter {
  justify-content: flex-end;
}

.bubble-row.theirs .bubble-removal-meter {
  justify-content: flex-start;
}

.bubble-wrap--media .bubble-removal-meter {
  margin-top: 0.22rem;
  padding-left: 0.08rem;
  padding-right: 0.06rem;
}

.bubble-removal-soft {
  font-weight: 500;
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--muted) 92%, transparent);
}

.bubble-removal-digit {
  font-size: 1.05rem;
  font-weight: 550;
  line-height: 1;
  color: color-mix(in srgb, var(--muted) 78%, var(--ink) 22%);
  font-variant-numeric: tabular-nums;
}

.bubble-removal-digit.bubble-removal-digit--pulse {
  animation: bubble-removal-digit-tick-flat 0.78s cubic-bezier(0.25, 0.82, 0.35, 1)
    forwards;
}

@keyframes bubble-removal-digit-tick-flat {
  0% {
    opacity: 0.55;
    transform: translateY(2px);
  }
  30% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0.92;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bubble-wrap--removal-active {
    transition-duration: 0.2s;
  }
  .bubble-wrap--removal-active.bubble-wrap--removal-exit {
    transform: none;
  }
  .bubble-removal-digit.bubble-removal-digit--pulse {
    animation: none;
  }
}

@media (max-width: 520px) {
  .bubble-wrap {
    max-width: 92%;
  }
}

/* 登录：Beta 勾选 */
.field.field-checkbox {
  margin-bottom: 0.65rem;
}

.field-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.45;
  cursor: pointer;
}

.field-checkbox-label--solo {
  margin-bottom: 0.15rem;
}

.field-checkbox-label--solo input {
  margin-top: 0;
}

/* --- Beta：Apple「备忘录」式伪装（分组背景 / 磨砂顶栏）--- */
html.beta-shell {
  color-scheme: light;
  --notes-fn: -apple-system, BlinkMacSystemFont, "SF Pro Text",
    system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei UI",
    "Helvetica Neue", sans-serif;

  /* 护眼：偏暖淡黄色底，降低对比刺眼感 */
  --bg: #f5f3e8;
  --panel: rgba(251, 248, 236, 0.9);
  --paper: #fcfaf3;
  --ink: rgba(60, 60, 67, 0.95);
  --muted: rgba(60, 60, 67, 0.61);
  --line: rgba(60, 60, 67, 0.2);
  --line-hairline: rgba(60, 60, 67, 0.1);
  --accent: #007aff;
  --accent-ink: #ffffff;
  --danger: #ff3b30;
  --bubble-me: #ffffff;
  --bubble-them: #ffffff;
  --lane-mine: #ff9500;
  --lane-peer: rgba(142, 142, 147, 0.95);
  --pixel-frame: rgba(209, 209, 214, 0.7);
  --pixel-frame-mid: rgba(199, 199, 204, 0.85);
  --radius-sm: 10px;
  --radius-md: 13px;
  --radius-pill: 980px;
}

html.beta-shell ::selection {
  background: rgba(255, 200, 80, 0.28);
}

html.beta-shell body {
  background-image: none;
  background-color: var(--bg);
  font-family: var(--notes-fn);
  -webkit-font-smoothing: antialiased;
}

html.beta-shell #gate-root.shell-covert .field.field-checkbox {
  display: none !important;
}

html.beta-shell #gate-root.shell-covert .field:not(.field-checkbox) {
  margin-bottom: 0.62rem;
}

html.beta-shell #gate-root.shell-covert .field:not(.field-checkbox):last-of-type {
  margin-bottom: 0.42rem;
}

html.beta-shell #gate-root.shell-covert #gate-msg.gate-msg {
  margin-top: 0.35rem;
  min-height: 0;
}

html.beta-shell #gate-root.shell-covert {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 2rem max(1.25rem, env(safe-area-inset-left))
    calc(2rem + env(safe-area-inset-bottom)) max(1.25rem, env(safe-area-inset-right));
  background: var(--bg);
}

html.beta-shell #gate-root.shell-covert .gate-sheet {
  border: none;
  border-radius: 16px;
  background: var(--paper);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 1.55rem 1.55rem 1.52rem !important;
  width: min(396px, 100%);
}

html.beta-shell #gate-root.shell-covert .gate-kicker {
  display: none !important;
}

html.beta-shell #gate-root.shell-covert .gate-sheet h1 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 0.48rem;
}

html.beta-shell #gate-root.shell-covert .gate-sheet p.small {
  font-size: 0.865rem;
  line-height: 1.42;
  color: var(--muted);
  margin: 0 0 1.12rem !important;
}

html.beta-shell #gate-root.shell-covert .field label {
  position: static;
  width: auto;
  height: auto;
  clip-path: none;
  overflow: visible;
  margin-bottom: 0.4rem !important;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 600;
}

html.beta-shell #gate-root.shell-covert .field input {
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.71rem 0.95rem;
  box-shadow: none;
  background: var(--bg);
  font-size: 1.05rem;
  outline: none;
}

html.beta-shell #gate-root.shell-covert .field input:focus {
  box-shadow:
    inset 0 0 0 1.5px rgba(0, 122, 255, 0.45),
    0 4px 14px rgba(0, 122, 255, 0.08);
}

html.beta-shell #gate-root.shell-covert .gate-actions {
  margin-top: 1.55rem;
  flex-wrap: wrap;
}

html.beta-shell #gate-root.shell-covert .btn-primary {
  flex: 1;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  padding: 0.66rem 1.35rem;
  font-size: 1.063rem;
  letter-spacing: 0;
}

html.beta-shell #gate-root.shell-covert .btn-primary:hover {
  opacity: 0.92;
}

html.beta-shell #gate-root.shell-covert .btn-ghost {
  border: none;
  background: transparent;
  color: var(--accent);
  font-weight: 500;
}

html.beta-shell #gate-root.shell-covert .btn-ghost:hover {
  background: rgba(0, 122, 255, 0.08);
}

html.beta-shell #workspace.shell-covert.workspace {
  max-width: 668px;
  width: 100%;
  margin: 0 auto;
  border: none;
  box-shadow: none;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: transparent;
}

@media (max-width: 520px) {
  html.beta-shell #workspace.shell-covert.workspace {
    max-width: none;
  }
}

html.beta-shell #workspace.shell-covert .ws-header {
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.5rem;
  padding: calc(10px + env(safe-area-inset-top)) max(17px, env(safe-area-inset-right))
    10px max(17px, env(safe-area-inset-left));
  border-bottom: 0;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: saturate(175%) blur(22px);
  -webkit-backdrop-filter: saturate(175%) blur(22px);
}

html.beta-shell #workspace.shell-covert .ws-header strong {
  display: none;
}

html.beta-shell #workspace.shell-covert .ws-header span.hint {
  font-size: 0.78rem;
}

html.beta-shell #workspace.shell-covert .ws-header .ws-header-info {
  min-width: 0;
}

html.beta-shell #workspace.shell-covert .ws-header .ws-header-status {
  font-size: 0.7rem;
}

html.beta-shell #workspace.shell-covert .partner-pres-live-dot {
  display: none !important;
}

html.beta-shell #workspace.shell-covert .ws-header-spacer {
  flex: 1;
  min-width: 1.75rem;
}

html.beta-shell #workspace.shell-covert #btn-favorites {
  font-weight: 600 !important;
  font-size: 0.86rem !important;
}

html.beta-shell #workspace.shell-covert #btn-favorites.btn-favorites-active {
  background: color-mix(in srgb, #eab308 18%, transparent) !important;
  color: inherit !important;
}

html.beta-shell #workspace.shell-covert .ws-log {
  margin-inline: max(14px, env(safe-area-inset-left)) max(14px, env(safe-area-inset-right));
  margin-top: 0.35rem;
  margin-bottom: 0;
  padding: 4px 0 12px;
  background: transparent;
  font-family: var(--notes-fn);
  font-size: 0.875rem;
  line-height: 1.28;
}

html.beta-shell #workspace.shell-covert .ws-log:not(:has(> .empty-log:only-child)) {
  background: var(--paper);
  border-radius: var(--radius-md);
  box-shadow:
    0 1px 8px rgba(0, 0, 0, 0.04),
    0 14px 30px rgba(0, 0, 0, 0.05);
}

html.beta-shell #workspace.shell-covert .empty-log-covert {
  margin: 2rem auto !important;
  padding: 0 2rem !important;
  font-size: 0.875rem !important;
  font-weight: 400;
}

html.beta-shell #workspace.shell-covert .ws-compose {
  gap: 0.42rem;
  padding:
    calc(8px + env(safe-area-inset-bottom))
    max(17px, env(safe-area-inset-right))
    calc(10px + env(safe-area-inset-bottom))
    max(17px, env(safe-area-inset-left));
  border-top: 1px solid var(--line-hairline);
  background: var(--panel);
  backdrop-filter: saturate(172%) blur(18px);
  -webkit-backdrop-filter: saturate(172%) blur(18px);
  align-items: flex-end;
}

html.beta-shell #workspace.shell-covert .ws-compose textarea {
  resize: none;
  min-height: 2.55rem !important;
  max-height: 6rem !important;
  overflow-y: auto;
  flex: 1;
  padding: 0.54rem 0.95rem calc(0.54rem + 1px);
  border: none !important;
  border-radius: var(--radius-pill);
  box-shadow:
    inset 0 0 0 1px var(--line) !important;
  background: color-mix(in srgb, var(--bg) 98%, transparent);
  font-family: var(--notes-fn);
  font-size: 0.988rem !important;
  line-height: 1.34;
  caret-color: var(--accent);
  transition:
    box-shadow 0.18s ease,
    background-color 0.18s ease;
}

html.beta-shell #workspace.shell-covert .ws-compose textarea::placeholder {
  color: color-mix(in srgb, currentColor 35%, transparent);
}

html.beta-shell #workspace.shell-covert .ws-compose textarea:focus {
  box-shadow:
    inset 0 0 0 1.5px rgba(0, 122, 255, 0.35) !important;
}

html.beta-shell #workspace.shell-covert .btn-primary {
  align-self: center;
  padding: 0.58rem 1.15rem !important;
}

html.beta-shell #workspace.shell-covert .btn-primary,
html.beta-shell #workspace.shell-covert .btn-ghost {
  border-radius: var(--radius-pill) !important;
  border-width: 0 !important;
  transform: none;
  flex-shrink: 0;
}

html.beta-shell #workspace.shell-covert .btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 0.974rem !important;
  box-shadow: none;
}

html.beta-shell #workspace.shell-covert .btn-ghost {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  color: var(--accent);
  font-weight: 500;
}

html.beta-shell #workspace.shell-covert .btn-primary:active,
html.beta-shell #workspace.shell-covert .btn-ghost:active {
  opacity: 0.9;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row {
  display: grid;
  grid-template-columns: minmax(2.5rem, 3.2rem) minmax(0, 1fr) auto;
  gap: 0.1rem 0.42rem;
  align-items: start;
  margin: 0;
  padding-inline: max(12px, 0.82rem);
}

@media (max-width: 520px) {
  html.beta-shell #workspace.shell-covert .bubble-row.covert-row {
    grid-template-columns: minmax(2.35rem, 3rem) minmax(0, 1fr) auto;
  }
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row:first-of-type {
  padding-top: 0.42rem !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row:not(:first-of-type) {
  padding-top: 0.4rem !important;
  margin-top: 0 !important;
  border-top: 1px solid var(--line-hairline);
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row:last-of-type {
  padding-bottom: 0.46rem !important;
}

html.beta-shell #workspace.shell-covert .covert-lane {
  padding-top: 0.56rem;
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

html.beta-shell #workspace.shell-covert .covert-lane-mark {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  padding: 0;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(60, 60, 67, 0.12);
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row.mine .covert-lane-mark {
  background: var(--lane-mine);
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row.theirs .covert-lane-mark {
  background: #8d95a5;
}

html.beta-shell #workspace.shell-covert .bubble-wrap {
  max-width: none;
  display: flex;
  flex-direction: column;
  gap: 0.03rem;
  border: none;
  background: transparent;
  padding: 0;
  box-shadow: none;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-wrap .meta {
  order: -1;
  margin: 0;
  font-size: 0.6rem !important;
  letter-spacing: 0;
  opacity: 1;
  gap: 0.24rem !important;
  line-height: 1.22;
  color: var(--muted);
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble {
  padding: 0.02rem 0 0 !important;
  margin: 0 !important;
  border: none !important;
  box-shadow: none !important;
  background: transparent !important;
  font-size: 0.875rem !important;
  line-height: 1.3 !important;
  font-weight: 400 !important;
  letter-spacing: -0.018em !important;
  color: var(--ink);
  border-radius: 0 !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-wrap--media {
  margin-top: 0 !important;
  padding: 0.2rem !important;
  border: none !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: inset 0 0 0 1px var(--line-hairline) !important;
  background: color-mix(in srgb, var(--bg) 94%, transparent) !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-wrap--media > .bubble {
  padding: 0.26rem !important;
  border-style: dashed !important;
  border-width: 1px !important;
  border-color: var(--line) !important;
  font-size: 0.8rem !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-wrap--media .bubble-image {
  border-radius: calc(var(--radius-sm) - 3px);
  border: none;
}

html.beta-shell #workspace.shell-covert .bubble-caption {
  margin-top: 0.28rem !important;
  padding: 0 !important;
  border: none !important;
  background: transparent;
  font-size: 0.8625rem !important;
  line-height: 1.3;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble.bubble--stripped-removal {
  opacity: 0.72 !important;
  font-style: italic;
  font-size: 0.84rem !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-side-actions {
  margin: 0.85rem 0 0 !important;
  gap: 0.1rem !important;
  flex-direction: row !important;
  align-items: center !important;
  align-self: start;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row.bubble-row--favorited .bubble-wrap {
  box-shadow:
    inset 0 0 0 1px rgba(202, 138, 4, 0.2) !important,
    inset 3px 0 0 rgba(202, 138, 4, 0.35) !important;
  border-radius: var(--radius-sm) !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-favorite {
  box-sizing: border-box;
  min-width: 2.15rem !important;
  min-height: 2.15rem !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0.1rem !important;
  font-size: 0.96rem !important;
  opacity: 0.4 !important;
  border-radius: 8px !important;
  color: color-mix(in srgb, var(--muted) 72%, var(--accent) 18%) !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-favorite.bubble-favorite--on {
  opacity: 0.88 !important;
  color: color-mix(in srgb, #ca8a04 92%, var(--muted)) !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-favorite:disabled {
  opacity: 0.3 !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-favorite:hover:not(:disabled) {
  opacity: 0.72 !important;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-remove-side {
  margin: 0 !important;
  min-height: 2rem;
  min-width: min(44px, 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.32rem 0.45rem !important;
  font-size: 0.616rem !important;
  font-weight: 500;
  color: var(--muted);
  border: none;
  background: transparent !important;
  text-decoration: none;
  border-radius: 8px;
}

html.beta-shell #workspace.shell-covert .bubble-row.covert-row .bubble-remove-side:hover {
  color: var(--danger);
}

html.beta-shell #workspace.shell-covert .quote-preview {
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border-radius: 0 8px 8px 0;
  font-size: 0.82rem;
}
html.beta-shell #workspace.shell-covert .quote-preview-text {
  color: var(--muted);
}

html.beta-shell #workspace.shell-covert .bubble-removal-meter {
  gap: 0.18rem !important;
  margin-top: 0.32rem !important;
  padding-top: 0.36rem !important;
  border-top: 1px solid var(--line-hairline) !important;
  border-top-style: solid !important;
  font-size: 0.64rem !important;
}

html.beta-shell #workspace.shell-covert .bubble-removal-soft {
  letter-spacing: 0 !important;
  font-weight: 500;
}

html.beta-shell #workspace.shell-covert .bubble-removal-digit {
  font-weight: 600;
}

html.beta-shell #workspace.shell-covert .bubble-send-fail-dot,
html.beta-shell #workspace.shell-covert button.bubble-send-fail-dot {
  position: static;
  inset: unset;
  display: inline-block !important;
  width: fit-content !important;
  height: auto !important;
  min-height: unset !important;
  margin: 0.14rem 0 0 !important;
  padding: 0.1rem 0.28rem !important;
  border: none !important;
  border-radius: 8px !important;
  box-shadow: none !important;
  background: rgba(255, 149, 0, 0.16) !important;
  font-size: 0.58rem !important;
  font-weight: 600 !important;
  color: #e87600 !important;
}

html.beta-shell #workspace.shell-covert span.bubble-send-fail-dot--static::after,
html.beta-shell #workspace.shell-covert button.bubble-send-fail-dot::after {
  content: none !important;
}

/* scroll anchor — 翻看历史时提示新消息 */
.scroll-anchor {
  display: none;
  position: absolute;
  bottom: 4.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  padding: 0.42rem 1.05rem;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.22);
  white-space: nowrap;
  user-select: none;
}
.scroll-anchor--visible {
  display: block;
}

/* typing indicator */
.typing-indicator {
  padding: 0.25rem 0.82rem 0.35rem;
  font-size: 0.72rem;
  color: color-mix(in srgb, currentColor 52%, transparent);
  font-style: italic;
  flex-shrink: 0;
}

/* emoji & attach buttons — left-side compose toolbar, stacked vertically */
.compose-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  flex-shrink: 0;
  align-self: flex-end;
}

.btn-emoji,
.btn-attach {
  flex-shrink: 0;
  width: 2.55rem;
  height: 2.55rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
}
.btn-attach {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
}
#btn-emoji.btn-emoji--active {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.emoji-panel {
  position: absolute;
  bottom: calc(100% + 0.4rem);
  left: 0;
  right: 0;
  max-height: 240px;
  overflow-y: auto;
  background: var(--panel);
  border: 3px solid var(--pixel-frame);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.7rem;
  z-index: 30;
  box-shadow: 0 6px 24px rgba(0,0,0,0.28);
}

.emoji-group {
  margin-bottom: 0.5rem;
}
.emoji-group:last-child {
  margin-bottom: 0;
}
.emoji-group-title {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, currentColor 42%, transparent);
  margin-bottom: 0.28rem;
  padding: 0 0.12rem;
}
.emoji-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.18rem;
}
.emoji-chip {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.18rem;
  line-height: 1;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: background 0.1s ease, transform 0.1s ease;
  padding: 0;
}
.emoji-chip:hover {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  transform: scale(1.18);
}
.emoji-chip:active {
  transform: scale(0.92);
}

html.beta-shell #workspace.shell-covert .emoji-panel {
  border-radius: 1rem;
  border-width: 1px;
  border-color: var(--line);
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter: saturate(172%) blur(18px);
  -webkit-backdrop-filter: saturate(172%) blur(18px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.32);
}
html.beta-shell #workspace.shell-covert .emoji-chip:hover {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
}

/* lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.22s ease;
}
.lightbox--open {
  pointer-events: auto;
  opacity: 1;
}
.lightbox-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
}
.lightbox-img {
  position: relative;
  max-width: 92vw;
  max-height: 92vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.45);
  cursor: default;
  user-select: none;
}

/* ---- 完整登录折叠 ---- */
.gate-toggle-full {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 6px 0;
  font-size: 0.8rem;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: color 0.15s;
}
.gate-toggle-full:hover {
  color: var(--accent);
}
.gate-toggle-full[aria-expanded="true"] {
  color: var(--accent);
}

/* ---- 六位速记码快速登录 ---- */
.quick-login {
  margin-top: 0;
  padding-top: 0;
  text-align: center;
}
.quick-login-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.8rem;
}
.quick-login-divider::before,
.quick-login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
  opacity: 0.4;
}
.quick-login-row {
  display: flex;
  justify-content: center;
  gap: 8px;
}
.quick-pin-digit {
  width: 44px;
  height: 50px;
  text-align: center;
  font-size: 20px;
  line-height: 50px;
  font-family: -apple-system, "SF Mono", "Menlo", monospace;
  font-weight: 600;
  -webkit-text-security: disc;
  letter-spacing: 0;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  caret-color: var(--accent);
  padding: 0;
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  -moz-appearance: textfield;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.quick-pin-digit:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 88, 140, 0.3);
  font-size: 20px;
}
.quick-pin-digit.filled {
  border-color: var(--accent);
  background: rgba(200, 88, 140, 0.12);
}
.quick-pin-digit.error {
  border-color: var(--danger);
  animation: pin-shake 0.3s ease;
}
@keyframes pin-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* 潜伏样式下的速记码 */
html.beta-shell #gate-root.shell-covert .quick-login {
  margin-top: 12px;
}
html.beta-shell #gate-root.shell-covert .quick-pin-digit {
  background: var(--panel);
  color: var(--ink);
  border-color: var(--line);
}

/* ===== 五子棋面板 ===== */
.game-panel {
  display: none;
  flex-direction: column;
  align-items: center;
  padding: 0.6rem 0.5rem 0.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.game-panel:not([hidden]) {
  display: flex;
}
.game-bar {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 450px;
  margin-bottom: 0.35rem;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.game-tabs {
  display: flex;
  gap: 2px;
}
.game-tab {
  font-size: 0.78rem;
  padding: 0.1rem 0.5rem;
  opacity: 0.55;
  border-bottom: 2px solid transparent;
  border-radius: 0;
}
.game-tab-active {
  opacity: 1;
  border-bottom-color: var(--accent);
}
#game-status-text {
  font-size: 0.82rem;
  color: var(--ink-muted);
  white-space: nowrap;
}
#game-canvas {
  display: block;
  border-radius: 6px;
  cursor: pointer;
  max-width: 100%;
  height: auto;
}
/* 你画我猜 */
.draw-word-display {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.2em;
}
.draw-guess-input {
  width: 140px;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 0.82rem;
  background: var(--surface);
  color: var(--ink);
}
.draw-toolbar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  max-width: 450px;
  width: 100%;
  margin-bottom: 0.3rem;
}
.draw-color-row {
  display: flex;
  gap: 3px;
}
.draw-color-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
}
.draw-color-dot.draw-color-active {
  border-color: var(--ink);
  transform: scale(1.15);
}
.draw-size-btn { min-width: 32px; padding: 0.15rem 0.35rem; }
.draw-size-active { background: var(--accent); color: #fff; }

/* 沙盒 */
.sand-toolbar { gap: 0.3rem; }
.sand-elem-row { display: flex; gap: 3px; flex-wrap: wrap; }
.sand-elem-btn {
  min-width: 32px; height: 28px; padding: 0 5px; border-radius: 4px;
  border: 2px solid transparent; cursor: pointer; flex-shrink: 0;
  font-size: 0.7rem; font-weight: 600; line-height: 1;
  color: #fff; text-shadow: 0 0 3px rgba(0,0,0,0.5);
  display: inline-flex; align-items: center; justify-content: center;
}
.sand-elem-btn.sand-elem-active { border-color: var(--ink); transform: scale(1.15); }
.sand-brush-label { font-size: 0.72rem; color: var(--muted); margin-left: 2px; }
.sand-size-btn { min-width: 28px; padding: 0.1rem 0.3rem; font-size: 0.75rem; }
.sand-size-active { background: var(--accent); color: #fff; }
.sand-elem-label { font-size: 0.58rem; color: var(--muted); font-weight: 600; letter-spacing: 0.05em; }
.sand-elem-sep { color: var(--line); margin: 0 1px; font-size: 0.6rem; user-select: none; }
#btn-sand-grid, #btn-sand-zoom-reset { font-size: 0.85rem; padding: 0.1rem 0.4rem; min-width: 26px; }
#btn-sand-pause, #btn-sand-step { min-width: 36px; font-size: 0.72rem; }

/* beta-shell 下五子棋面板适应 */
.beta-shell .game-panel {
  background: transparent;
}
.beta-shell .game-bar .btn-ghost {
  font-size: 0.78rem;
}