/* ============================================================
   Textmolt Composer Layer — s06 打磨批（A 路 C5/C6/C7 2026-07-02）
   区块: 1.C5 slash 入口   2.C7 语音计时与处理态
         3.E-7 能力时刻 inline 提示
   规范: 动效与色彩一律引用 tokens.css v2（T5: 本文件不定义 --tm-）;
         styles.css 冻结令——composer 域新样式全部落本文件。
   Spec: docs/plans/FRONTEND_UIUX_OVERHAUL_2026-07-02/01_PLAN_CHAT_CORE.md §C5-C7
   ============================================================ */

/* ────────────────────────────────────────────────────────────
   2) C7 · 语音输入状态：录音计时 pill + 处理态三点微动
      （keyframe voice-processing-dots 复用 styles.css 既有定义）
   ──────────────────────────────────────────────────────────── */
.voice-timer {
  display: inline-flex;
  align-items: center;
  align-self: center;
  padding: 2px 8px;
  margin-right: 4px;
  border-radius: var(--tm-radius-full);
  font-size: var(--tm-text-xs);
  font-weight: var(--tm-weight-semibold);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  color: #fff;
  background: var(--tm-status-danger, #ef4444);
  animation: tm-block-reveal var(--tm-dur-fast) var(--tm-ease-out) both;
}

.voice-btn.processing {
  position: relative;
}
.voice-btn.processing::after {
  content: "···";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--tm-text-2xs);
  letter-spacing: 1px;
  line-height: 1;
  color: currentColor;
  animation: voice-processing-dots 1.2s ease-in-out infinite;
}

/* ────────────────────────────────────────────────────────────
   3) E-7 · 能力时刻 inline 提示（composer 上方槽；复用 compact
      横幅的形态语言——玻璃底、单行、可关；永不弹窗）
   ──────────────────────────────────────────────────────────── */
.capability-hint-slot {
  margin: 0 12px 6px;
}
.capability-hint-slot.hidden {
  display: none;
}
.capability-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--tm-radius-lg);
  background: var(--tm-glass-bg-faint);
  border: 1px solid var(--tm-brand-purple-alpha-10);
  backdrop-filter: blur(var(--tm-glass-blur-soft));
  -webkit-backdrop-filter: blur(var(--tm-glass-blur-soft));
  animation: tm-block-reveal var(--tm-dur-normal) var(--tm-ease-out) both;
}
.capability-hint-spark {
  flex-shrink: 0;
  display: inline-flex;
  color: var(--tm-brand-purple);
}
.capability-hint-text {
  flex: 1;
  min-width: 0;
  font-size: var(--tm-text-xs);
  line-height: 1.5;
  color: var(--text-secondary);
}
.capability-hint-dismiss {
  flex-shrink: 0;
  display: inline-flex;
  padding: 4px;
  border: none;
  border-radius: var(--tm-radius-full);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--tm-dur-fast) var(--tm-ease-out),
    background var(--tm-dur-fast) var(--tm-ease-out);
}
.capability-hint-dismiss:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.06);
}
@supports not ((backdrop-filter: blur(1px))) {
  .capability-hint {
    background: var(--tm-glass-fallback-bg);
  }
}

/* ============================================================
   B5 刀② · 案头（笔·纸·墨）（2026-07-31）
   效果权威 = docs/mockups/B5_SCROLL_THREAD_v2.html 幕二/四/五/六/七/八。
   纸面 token 族亮暗自适配；旧玻璃 composer 皮在此被纸面覆盖
   （styles.css 冻结令——覆盖规则落本文件，靠加载顺序后置取胜）。
   ============================================================ */

/* ── 纸面输入盒（mockup .composer：raised 纸 + 1.5px 发丝边 + 14px 圆角）── */
.composer-glass-panel {
  background: var(--tm-paper-raised);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1.5px solid var(--tm-paper-hairline-2);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.composer-glass-panel:focus-within {
  background: var(--tm-paper-raised);
  border-color: var(--tm-ink-purple);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transform: none;
}
.composer-glass-panel.full-doc-mode {
  border-color: var(--tm-ink-purple);
  box-shadow: 0 0 0 1px var(--tm-brand-purple-alpha-28), 0 2px 12px rgba(0, 0, 0, 0.06);
}
.composer textarea {
  color: var(--tm-paper-ink);
  /* 幕二/三 1:1（0731 用户对照）：占位与手书同 13px 档，行高收紧、单行不裁串 */
  font-size: 13px;
  line-height: 1.6;
  min-height: 22px;
}
.composer textarea::placeholder {
  color: var(--tm-paper-ink-mut);
  font-size: 12.5px;
}
/* 输入行整体收薄，贴 mockup .composer（padding 11px 13px 单行形制） */
.composer-input-area {
  padding: 5px 8px;
}
.composer-input-wrapper {
  padding: 4px 6px;
}
.composer-plus-btn {
  color: var(--tm-paper-ink-2);
  border-color: var(--tm-paper-hairline);
}
.composer-plus-btn:hover {
  color: var(--tm-ink-purple-strong);
  border-color: var(--tm-ink-purple);
  background: transparent;
}
.composer-container .voice-btn {
  color: var(--tm-paper-ink-mut);
}
.composer-footer-text {
  font-size: 9.5px;
  letter-spacing: 0.02em;
  color: var(--tm-paper-ink-mut);
  text-align: center;
}
/* 暗档纸面输入盒：压过 styles.css 的 dark 玻璃补丁（rgba(30,30,30,.85) 半透
   会把对话卷从输入框里透出来——k3 轮实证），夜书房纸实底 */
:root[data-theme="dark"] .composer-glass-panel {
  background: var(--tm-paper-raised);
  border-color: var(--tm-paper-hairline-2);
}

/* ── 墨点（发送钮换皮）：恒在场 24px 圆——有字可点、无字静置；
      核心三态挂 #app 类（deskPen 只读投影）：默认实心 / ink-core 圈心墨核 /
      ink-dry 空瓶残墨。发送箭头图形撤（墨点即发送），停止方块保留。── */
#btn-send.send-btn {
  width: 24px;
  height: 24px;
  opacity: 1;
  transform: none;
  background: var(--tm-brand-purple);
  color: #fff;
  box-shadow: none;
  cursor: default;
  z-index: 2;
}
#btn-send.send-btn .icon-send {
  display: none;
}
#btn-send.send-btn .icon-stop {
  width: 12px;
  height: 12px;
}
#btn-send.send-btn.active {
  width: 24px;
  background: var(--tm-brand-purple);
  cursor: pointer;
  box-shadow: 0 1px 4px var(--tm-brand-purple-alpha-28);
}
#btn-send.send-btn.active:hover {
  transform: none;
  background: var(--tm-brand-purple-strong);
}
#btn-send.send-btn.active:active {
  transform: scale(0.95);
}
#btn-send.send-btn:disabled {
  opacity: 1;
}
#btn-send.send-btn.streaming {
  width: 24px;
  background: var(--tm-brand-purple);
}
/* 圈心墨核：月赠尽、客墨（积分）尚在——细紫环 + 中心一粒墨核 */
#app.ink-core #btn-send.send-btn:not(.streaming) {
  background: transparent;
  border: 1.5px solid var(--tm-brand-purple);
}
#app.ink-core #btn-send.send-btn:not(.streaming)::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--tm-brand-purple);
  transform: translate(-50%, -50%);
}
/* 空瓶：见底的墨水角——灰环 + 瓶底一弯残墨（点击 = 加墨，命中区见 .desk-ink-hit） */
#app.ink-dry #btn-send.send-btn:not(.streaming) {
  background: transparent;
  border: 1.5px solid var(--tm-paper-ink-mut);
  overflow: hidden;
}
#app.ink-dry #btn-send.send-btn:not(.streaming)::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 2px;
  height: 6px;
  border-radius: 0 0 99px 99px;
  background: var(--tm-brand-purple);
  opacity: 0.4;
}
#app.ink-dry #btn-send.send-btn:not(.streaming):hover {
  border-color: var(--tm-ink-purple-strong);
}
/* 空瓶点击命中区：发送钮 disabled 时点击事件被吞，透明覆盖层代收（仅 dry 态在场；
   有字时 .active 发送钮 z-index 2 压在其上，发送优先） */
.composer-input-wrapper {
  position: relative;
}
.desk-ink-hit {
  display: none;
  position: absolute;
  right: 8px;
  bottom: 7px;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: var(--tm-radius-full);
  background: transparent;
  cursor: pointer;
  z-index: 1;
}
#app.ink-dry .desk-ink-hit.desk-ink-hit--live {
  display: block;
}

/* ── 拦截卡（额度拦截 .quota-block-overlay；0923 纸面形制，本段为唯一样式源）──
   输入盒原地变便笺：上一段话、下一行描边小字钮。笔/名签/墨点随容器 .is-quota-blocked
   退场——旧玻璃横排卡在纸面下叠成一团（ID 级墨点规则压过隐藏、笔无人收、三钮挤字）。 */
.composer-container.is-quota-blocked .desk-quill,
.composer-container.is-quota-blocked .desk-quill-hit,
.composer-container.is-quota-blocked .desk-pen-tag,
.composer-container.is-quota-blocked .desk-ink-tag,
.composer-input-area.quota-blocked .composer-left-controls,
.composer-input-area.quota-blocked .composer-input-wrapper {
  display: none;
}
.composer-input-area.quota-blocked {
  padding: 12px 14px;
}
.quota-block-overlay {
  display: flex;
  flex: 1;
  min-width: 0;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--tm-dur-fast) var(--tm-ease-out), transform var(--tm-dur-fast) var(--tm-ease-out);
}
.quota-block-overlay.visible {
  opacity: 1;
  transform: none;
}
.qb-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}
.qb-message {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--tm-paper-ink);
}
.qb-context,
.qb-recovery {
  margin: 3px 0 0;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--tm-paper-ink-2);
  font-variant-numeric: tabular-nums;
}
.qb-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 6px;
}
.qb-btn {
  padding: 4px 11px;
  border: 1px solid var(--tm-paper-hairline-2);
  border-radius: 999px;
  background: transparent;
  font: inherit;
  font-size: 12px;
  line-height: 1.5;
  color: var(--tm-paper-ink-2);
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--tm-dur-fast) var(--tm-ease-out), border-color var(--tm-dur-fast) var(--tm-ease-out),
    background var(--tm-dur-fast) var(--tm-ease-out);
}
.qb-btn:hover {
  color: var(--tm-ink-purple-strong);
  border-color: var(--tm-ink-purple);
}
/* 主动作 = 描边小字钮（审美总纲 5：全 app 实心只留发送墨点） */
.qb-btn-primary {
  color: var(--tm-ink-purple-strong);
  border-color: var(--tm-ink-purple);
}
.qb-btn-primary:hover {
  background: var(--tm-brand-purple-alpha-08);
}
/* 「暂不」= 文本级出口，靠右收尾 */
.qb-btn-ghost,
.qb-btn-ghost:hover {
  margin-left: auto;
  padding: 4px 2px;
  border-color: transparent;
}
.qb-btn-ghost:hover {
  color: var(--tm-paper-ink);
}

/* ── 羽毛笔原件（右置「插在墨水角」；hover 抬笔；命中区限羽杆中上段）── */
.desk-quill {
  position: absolute;
  right: 14px;
  bottom: 78px; /* 笔尖与发送墨点 ≥8px 净空（k3 轮实测 quill 盒底 735 vs 墨点顶 711，再抬 34px） */
  width: 30px;
  height: 132px;
  transform: scaleX(-1) rotate(14deg);
  transform-origin: 50% 96%;
  filter: drop-shadow(2px 3px 3px rgba(0, 0, 0, 0.19));
  pointer-events: none;
  z-index: 4;
  transition: transform var(--tm-dur-fast) var(--tm-ease-out);
}
.desk-quill.desk-quill-lift {
  transform: scaleX(-1) rotate(20deg);
}
.desk-quill.hidden {
  display: none;
}
/* 遮挡方案 A（0731 拍板）：会话有内容时笔退为墨影，悬停命中区即全显+名签；
   空态全显。:has 不可用的老内核维持常显（安全回退，只是多一点遮挡） */
#app:has(#chat .message) .desk-quill {
  opacity: 0.25;
  transition: opacity var(--tm-dur-fast) var(--tm-ease-out),
    transform var(--tm-dur-fast) var(--tm-ease-out);
}
#app:has(#chat .message) .desk-quill.desk-quill-lift {
  opacity: 1;
}
.desk-quill-hit {
  position: absolute;
  right: 6px;
  bottom: 130px; /* 随笔身抬高（羽杆中上段） */
  width: 44px;
  height: 76px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  z-index: 6;
}
.desk-quill-hit.hidden {
  display: none;
}

/* ── 笔挂名签（打孔小纸牌，松弛系绳；平放案面贴触发点）── */
.desk-pen-tag {
  position: absolute;
  right: 56px;
  bottom: 112px;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--tm-paper-band);
  border: 1px solid var(--tm-paper-hairline-2);
  border-radius: 7px;
  padding: 5px 10px 5px 8px;
  font-family: var(--tm-serif);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--tm-paper-ink-2);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  transform: rotate(-3deg);
  transform-origin: bottom left;
  white-space: nowrap;
  pointer-events: none;
}
.desk-pen-tag::before {
  content: "";
  width: 5px;
  height: 5px;
  border: 1.2px solid var(--tm-paper-ink-mut);
  border-radius: 50%;
  flex: none;
}
.desk-pen-tag .desk-pen-tag-string {
  position: absolute;
  left: 2px;
  bottom: -13px;
  width: 1px;
  height: 15px;
  background: var(--tm-paper-ink-mut);
  transform: rotate(-32deg);
  transform-origin: top left;
  opacity: 0.55;
}
.desk-pen-tag.hidden {
  display: none;
}

/* ── 墨点两瓶名签（拉取式详情，无数字）── */
.desk-ink-tag {
  position: absolute;
  right: 44px;
  bottom: 72px;
  z-index: 6;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--tm-paper-band);
  border: 1px solid var(--tm-paper-hairline-2);
  border-radius: 7px;
  padding: 5px 10px 5px 8px;
  font-family: var(--tm-serif);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--tm-paper-ink-2);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  transform: rotate(-2deg);
  white-space: nowrap;
  pointer-events: none;
}
.desk-ink-tag::before {
  content: "";
  width: 5px;
  height: 5px;
  border: 1.2px solid var(--tm-paper-ink-mut);
  border-radius: 50%;
  flex: none;
}
.desk-ink-tag.hidden {
  display: none;
}

/* ── 笔架（点笔展开；背景渐暗但案头仍亮——dim z 低于 composer）── */
.desk-rack-dim {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--tm-paper-ink) 15%, transparent);
  z-index: 150;
}
.desk-rack-dim.hidden {
  display: none;
}
.desk-penrack {
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: calc(100% + 10px);
  z-index: 9;
  border: 1.5px solid var(--tm-paper-hairline-2);
  border-radius: 14px;
  background: var(--tm-paper-raised);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.19);
  padding: 12px 14px 10px;
  /* 架身随内容长高至刊头下缘；超限时头脚钉住、中段滚动 */
  max-height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.desk-rack-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.desk-penrack.hidden {
  display: none;
}
.desk-rack-label {
  font-family: var(--tm-serif);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--tm-paper-exlibris);
  margin: 0 0 6px 2px;
}
.desk-rack-row {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 8px 6px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}
.desk-rack-row:hover,
.desk-rack-row[aria-selected="true"] {
  background: var(--tm-paper-band);
}
.desk-rack-thumb {
  width: 52px;
  height: 20px;
  overflow: hidden;
  position: relative;
  flex: none;
}
.desk-rack-thumb img {
  position: absolute;
  width: 17px;
  height: 74px;
  left: 18px;
  top: -27px;
  transform: rotate(76deg);
  filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.13));
}
/* 品牌图标缩微（客墨行/自带墨行；登记表 src/ui/support/brandIcons.js，授权见
   assets/brand-icons/LICENSE.md） */
.desk-rack-thumb--brand {
  display: flex;
  align-items: center;
  justify-content: center;
}
.desk-rack-thumb--brand img {
  position: static;
  width: 18px;
  height: 18px;
  transform: none;
  filter: none;
}
.desk-rack-tx {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.desk-rack-tline {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-width: 0;
  /* 300px 英文窄档不截档名：徽章放不下就换行右贴（0905）；主笔行标题自身折行（0926） */
  flex-wrap: wrap;
  row-gap: 0;
}
.desk-rack-tx b {
  font-family: var(--tm-serif);
  font-size: 12.5px;
  font-weight: var(--tm-weight-semibold);
  color: var(--tm-paper-ink);
  letter-spacing: 0.06em;
  display: block;
  flex: 0 0 auto; /* 不被徽章挤压；只有标题自身超宽才走省略号 */
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.desk-rack-row--main .desk-rack-tx b {
  white-space: normal;
}
/* 主笔行（demo v4 A1） */
.desk-rack-row--main {
  gap: 10px;
  padding: 5px 2px;
}
.desk-rack-row--main .desk-rack-thumb {
  width: 44px;
  height: 18px;
}
.desk-rack-row--main .desk-rack-thumb img {
  width: 15px;
  height: 66px;
  left: 15px;
  top: -24px;
}
.desk-rack-row--main .desk-rack-tx b {
  font-size: 13px;
  letter-spacing: 0.05em;
}
/* Pro 笔行不是按钮（定稿 8） */
.desk-rack-row--static,
.desk-rack-row--static:hover {
  cursor: default;
  background: transparent;
}
/* 「换更强的笔」文字链（行右侧） */
.desk-rack-up {
  flex: none;
  margin-left: auto;
  font-size: 11px;
  color: var(--tm-ink-purple-strong);
  white-space: nowrap;
  cursor: pointer;
}
.desk-rack-up:hover {
  text-decoration: underline;
}
/* 副行 / 架脚 / 空瓶文案是要读的信息：ink-2（≥ AA，审美总纲 8；0924 拍板） */
.desk-rack-sub {
  font-size: 11px;
  color: var(--tm-paper-ink-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.desk-rack-mark {
  margin-left: auto;
  flex: none;
  font-size: 10px;
  color: var(--tm-ink-purple-strong);
  letter-spacing: 0.08em;
  white-space: nowrap; /* 「执笔中」不折行（v1 小修拍板） */
}
.desk-rack-row--guest .desk-rack-tx b {
  color: var(--tm-paper-ink-2);
}
.desk-rack-row--guest .desk-rack-thumb {
  opacity: 0.55;
}
.desk-rack-row--off {
  opacity: 0.55;
}
.desk-rack-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--tm-paper-hairline-2);
  border-radius: var(--tm-radius-full);
  padding: 3px 10px;
  font-size: 10.5px;
  color: var(--tm-paper-ink-2);
  cursor: pointer;
  background: var(--tm-paper-raised);
}
.desk-rack-chip:hover {
  color: var(--tm-ink-purple-strong);
  border-color: var(--tm-ink-purple-strong);
}
.desk-rack-addink {
  color: var(--tm-ink-purple-strong);
  cursor: pointer;
  white-space: nowrap;
}
.desk-rack-addink:hover {
  text-decoration: underline;
}

/* ── 墨源页签（0811 两源切换；demo v4 A1：下划线文字签，与分段钮不同形）── */
.desk-vtabs {
  display: flex;
  gap: 18px;
  flex: none;
  margin: 8px 2px 0;
  border-bottom: 1px solid var(--tm-paper-hairline);
}
.desk-vtab {
  border: 0;
  background: none;
  padding: 7px 0;
  font-family: inherit;
  font-size: 12px;
  color: var(--tm-paper-ink-2);
  white-space: nowrap;
  cursor: pointer;
}
.desk-vtab:hover {
  color: var(--tm-paper-ink);
}
.desk-vtab[aria-selected="true"] {
  color: var(--tm-paper-ink);
  font-weight: var(--tm-weight-semibold);
  box-shadow: inset 0 -2px 0 var(--tm-paper-ink);
}
.desk-vtab:focus-visible {
  outline: 2px solid var(--tm-ink-purple-strong);
  outline-offset: 2px;
}
.desk-rack-row--own .desk-rack-thumb img {
  /* 自带墨行缩微：金褐色调区分（mockup 幕三金划意象的实装等价） */
  filter: sepia(0.55) saturate(0.9) drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.13));
}
/* 认出墨坊的自带墨行换成厂商 logo：logo 保持原色（金褐只属于缩微墨划） */
.desk-rack-row--own .desk-rack-thumb--brand img {
  filter: none;
}
/* 单色品牌字形（OpenAI / Anthropic / Grok：fill=currentColor，经 <img> 恒为黑）
   在夜纸上会沉底不见——暗色主题反相成浅墨（笔架行 + 模型下拉共用） */
:root[data-theme="dark"] img.brand-icon--mono {
  filter: invert(1) brightness(0.92);
}
.desk-bottle-void {
  padding: 12px 8px 8px;
  font-size: 11.5px;
  color: var(--tm-paper-ink-2);
  line-height: 1.8;
}
/* 零客墨引导弹层：动作列纵排（300px 窄档友好） */
.desk-gate-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px var(--tm-space-4) 0;
}
.desk-gate-actions .settings-primary-btn,
.desk-gate-actions .settings-secondary-btn {
  width: 100%;
}
.desk-rack-foot {
  padding: 7px 6px 2px;
  font-size: 10.5px;
  color: var(--tm-paper-ink-2);
  line-height: 1.7;
}
/* 脚行里成对出现的片段（如「API Key sk-……a9f2」）不从中间断行，窄栏只在 · 处折 */
.desk-rack-nowrap {
  white-space: nowrap;
}

/* 研墨小卷（架内原位展开的配置面；页签/链接/小标复用 rack 既有类） */
.desk-byok-scroll {
  margin: 4px 2px 2px;
  padding: 10px 12px 12px;
  border: 1px solid var(--tm-paper-hairline);
  border-radius: 10px;
  background: var(--tm-paper-band);
}
.desk-byok-fld {
  margin-bottom: 8px;
}
.desk-byok-fld label {
  display: block;
  font-size: 10.5px;
  color: var(--tm-paper-ink-2);
  margin-bottom: 3px;
  letter-spacing: 0.04em;
}
.desk-byok-fld input {
  width: 100%;
  font-size: 11.5px;
  padding: 6px 8px;
  border-radius: 7px;
  background: var(--tm-paper-raised);
  border: 1px solid var(--tm-paper-hairline-2);
  color: var(--tm-paper-ink);
  font-family: inherit;
  box-sizing: border-box;
}
.desk-byok-fld input::placeholder {
  color: var(--tm-paper-ink-mut);
}
/* 钥匙掩码走 CSS 非 type=password（宿主密码管理器会弹存 key，0813 真机实证） */
.desk-byok-keyinput {
  -webkit-text-security: disc;
}
.desk-byok-err {
  font-size: 11px;
  color: var(--tm-status-warning-fg, #92400e);
  line-height: 1.65;
  margin-bottom: 8px;
}
.desk-byok-err.hidden {
  display: none;
}
.desk-byok-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.desk-byok-enable {
  border: 0;
  border-radius: 8px;
  padding: 6px 18px;
  cursor: pointer;
  background: var(--tm-paper-ink);
  color: var(--tm-paper-raised);
  font-family: var(--tm-serif);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.desk-byok-cancel {
  border: 0;
  background: none;
  color: var(--tm-paper-ink-mut);
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
}

/* ── 取墨清单 + 三步小卷（效果权威 BYOK_TRIAL_GUIDE_v3.html）：件全取自笔架既有形制 ── */
.desk-guide-head {
  padding: 12px 2px 0;
}
.desk-guide-title {
  font-family: var(--tm-serif);
  font-size: 14px;
  font-weight: var(--tm-weight-semibold);
  color: var(--tm-paper-ink);
  letter-spacing: 0.05em;
}
.desk-guide-sub {
  font-size: 11.5px;
  color: var(--tm-paper-ink-2);
  line-height: 1.65;
  margin-top: 3px;
}
/* 「有中国大陆手机号吗？」分段钮（放不下时换行右贴） */
.desk-guide-q {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 10px 0 2px;
}
.desk-guide-q-k {
  font-size: 11.5px;
  color: var(--tm-paper-ink-2);
}
.desk-guide-seg {
  display: inline-flex;
  flex: none;
  margin-left: auto;
  padding: 2px;
  border: 1px solid var(--tm-paper-hairline-2);
  border-radius: var(--tm-radius-full);
}
.desk-guide-seg-opt {
  border: 0;
  background: none;
  padding: 2px 12px;
  border-radius: var(--tm-radius-full);
  font-family: inherit;
  font-size: 11.5px;
  color: var(--tm-paper-ink-2);
  white-space: nowrap;
  cursor: pointer;
}
.desk-guide-seg-opt[aria-pressed="true"] {
  background: color-mix(in srgb, var(--tm-paper-ink) 10%, transparent);
  color: var(--tm-paper-ink);
  font-weight: var(--tm-weight-semibold);
}
.desk-guide-seg-opt:focus-visible {
  outline: 2px solid var(--tm-ink-purple-strong);
  outline-offset: 1px;
}
.desk-guide-pending,
.desk-guide-status {
  padding: 10px 6px 6px;
  font-size: 11px;
  color: var(--tm-paper-ink-2);
  line-height: 1.6;
}
/* 清单行是挑选时的额度 / 扣费披露：家名与副行都不截断 */
.desk-guide-rows .desk-rack-tx b {
  white-space: normal;
}
.desk-guide-rows .desk-rack-sub {
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
  line-height: 1.5;
}
/* 清单行 / 预告行：图标列 18px，行间无横线（定稿 10） */
.desk-rack-row--pick,
.desk-gpv-row {
  gap: 10px;
  padding: 10px 6px;
}
.desk-rack-row--pick .desk-rack-thumb--brand,
.desk-gpv-row .desk-rack-thumb--brand {
  width: 18px;
  height: 18px;
}
.desk-rack-row--pick .desk-rack-thumb--brand img,
.desk-gpv-row .desk-rack-thumb--brand img {
  width: 17px;
  height: 17px;
}
.desk-rack-chev {
  flex: none;
  font-size: 14px;
  line-height: 1;
  color: var(--tm-paper-ink-mut);
}
/* 「已有别家的 Key？」上方横线保留（定稿 10） */
.desk-guide-foot {
  margin: 4px 2px 0;
  padding: 8px 0 2px;
  border-top: 1px solid var(--tm-paper-hairline);
  font-size: 11px;
}

/* ── 三步小卷（demo v4 A-2/A-3）：无卡中卡底色框，细竖线串三步 ── */
.desk-guide-scroll {
  padding: 2px 2px 4px;
}
.desk-guide-scroll--solo {
  padding-top: 12px;
}
.desk-guide-back {
  display: inline-block;
  margin: 0 0 8px;
  font-size: 11px;
}
.desk-guide-back[aria-disabled="true"] {
  cursor: default;
  text-decoration: none;
}
.desk-guide-scroll-title {
  display: flex;
  align-items: center;
  gap: 8px;
}
.desk-guide-scroll-title img {
  width: 16px;
  height: 16px;
  flex: none;
}
.desk-guide-sub--indent {
  margin-left: 24px;
}
.desk-guide-steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}
.desk-guide-step {
  position: relative;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding-bottom: 12px;
}
.desk-guide-step:last-child {
  padding-bottom: 0;
}
.desk-guide-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 8.5px;
  top: 21px;
  bottom: 2px;
  width: 1px;
  background: var(--tm-paper-hairline);
}
.desk-guide-num {
  box-sizing: border-box;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  display: grid;
  place-items: center;
  border: 1px solid var(--tm-paper-hairline-2);
  border-radius: 50%;
  background: var(--tm-paper-raised);
  font-family: var(--tm-serif);
  font-size: 11px;
  color: var(--tm-paper-ink-2);
}
.desk-guide-stepbody {
  min-width: 0;
}
.desk-guide-stepbody.desk-byok-fld {
  margin-bottom: 0;
}
.desk-guide-step p,
.desk-guide-step .desk-guide-keylabel {
  display: block;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0;
  color: var(--tm-paper-ink);
  line-height: 1.6;
}
/* ①② 外链 = 文字链 */
.desk-guide-open {
  display: inline-block;
  margin-top: 3px;
  padding: 0;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: 11.5px;
  color: var(--tm-ink-purple-strong);
  text-align: left;
  cursor: pointer;
}
.desk-guide-open:hover {
  text-decoration: underline;
}
/* 第 3 步标题行：左「粘贴 Key」、右「模型 · 修改」（定稿 4） */
.desk-guide-rt {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2px 10px;
}
.desk-guide-preset {
  margin-left: auto;
  font-size: 11px;
  color: var(--tm-paper-ink-2);
  white-space: nowrap;
}
.desk-guide-preset code {
  font-family: var(--tm-font-mono);
  font-size: 11px;
}
.desk-guide-step .desk-byok-keyinput,
.desk-guide-editfld input {
  margin-top: 6px;
  padding: 7px 9px;
  font-size: 12px;
  background: var(--tm-paper);
}
/* 「修改」原位展开的地址 / 模型两框（字段形制同 .desk-byok-fld） */
.desk-guide-editfld {
  margin-top: 8px;
}
.desk-guide-err {
  margin: 6px 0 0;
}
/* 主按钮对齐步骤文字列 */
.desk-guide-actions {
  margin: 12px 0 0 28px;
}
/* 主按钮字面不折行（英文 300px 实测） */
.desk-guide-actions .desk-byok-enable {
  padding: 7px 20px;
  font-size: 12.5px;
  white-space: nowrap;
}
/* 验证中只换字面、不降透明度（暗色会掉到 AA 以下） */
.desk-byok-enable[aria-busy="true"] {
  cursor: progress;
}

/* ── 客墨预告页（demo v4 A-4）：厂家小标题 + logo·名行，点行就地换词 ── */
.desk-gpv-maker {
  margin: 12px 6px 0;
  font-size: 11px;
  color: var(--tm-paper-ink-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.desk-guide-head + .desk-gpv-maker {
  margin-top: 10px;
}
.desk-gpv-say {
  display: none;
  font-size: 12px;
  line-height: 1.5;
  color: var(--tm-paper-ink-2);
}
.desk-gpv-row.is-said .desk-rack-tx b {
  display: none;
}
.desk-gpv-row.is-said .desk-gpv-say {
  display: block;
}

/* ── 执笔门（登录 free 确知无墨的空态：笔搁架上不在手 → 会员窗）── */
.desk-pen-door {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 4px 8px;
  width: calc(100% - 8px);
  padding: 10px 14px;
  border: 1.5px solid var(--tm-paper-hairline-2);
  border-radius: 14px;
  background: var(--tm-paper-raised);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: border-color var(--tm-dur-fast) var(--tm-ease-out);
}
.desk-pen-door:hover {
  border-color: var(--tm-ink-purple);
}
.desk-pen-door.hidden {
  display: none;
}
.desk-pen-door .desk-rack-thumb {
  width: 64px;
  height: 24px;
}
.desk-pen-door .desk-rack-thumb img {
  width: 21px;
  height: 90px;
  left: 22px;
  top: -33px;
}
.desk-pen-door-title {
  display: block;
  font-family: var(--tm-serif);
  font-size: 13px;
  font-weight: var(--tm-weight-semibold);
  color: var(--tm-paper-ink);
  letter-spacing: 0.1em;
}
.desk-pen-door-go {
  margin-left: auto;
  flex: none;
  font-size: var(--tm-text-xs);
  color: var(--tm-ink-purple-strong);
  letter-spacing: 0.08em;
}
/* 门内文本列窄（~160px@300px）：EN 副行 300px 档需 4 行（0923 实测 3 行截成「add your ow…」），
   门是唯一的领墨说明，放足 5 行不截；架内行维持 2 行 */
.desk-pen-door .desk-rack-sub {
  -webkit-line-clamp: 5;
}