/* =========================================================
   卖场助手 · iOS 风格毛玻璃视觉
   ========================================================= */

:root {
  --ink: #12141a;
  --ink-2: #3a3f47;
  --muted: #83898f;
  --muted-2: #a7adb3;

  --glass: rgba(255, 255, 255, 0.62);
  --glass-2: rgba(255, 255, 255, 0.78);
  --glass-3: rgba(255, 255, 255, 0.92);
  --glass-border: rgba(255, 255, 255, 0.75);
  --hairline: rgba(18, 20, 26, 0.08);
  --blur: saturate(180%) blur(24px);

  --me: #0e8a72;
  --me-2: #14a88c;
  --me-soft: rgba(14, 138, 114, 0.1);
  --me-ink: #07584a;

  --them: #2b57c8;
  --them-2: #4a78e8;
  --them-soft: rgba(43, 87, 200, 0.09);
  --them-ink: #1b3a86;

  --gold: #b98f2e;

  --r-xl: 28px;
  --r-lg: 22px;
  --r-md: 16px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);

  --shadow-soft: 0 1px 2px rgba(16, 20, 30, 0.04), 0 10px 30px rgba(16, 20, 30, 0.07);
  --shadow-lift: 0 12px 34px rgba(14, 138, 114, 0.26);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  height: 100%;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Helvetica Neue", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior: none;
}

body {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
  background: #f2f0ea;
}

/* 背景光斑 —— 毛玻璃的层次来源 */
body::before {
  content: "";
  position: fixed;
  inset: -10%;
  z-index: -1;
  background:
    radial-gradient(46% 34% at 12% 4%, rgba(180, 236, 222, 0.95) 0%, rgba(180, 236, 222, 0) 62%),
    radial-gradient(42% 30% at 92% 10%, rgba(198, 215, 255, 0.95) 0%, rgba(198, 215, 255, 0) 64%),
    radial-gradient(60% 42% at 50% 104%, rgba(247, 226, 198, 0.9) 0%, rgba(247, 226, 198, 0) 66%),
    linear-gradient(180deg, #f6f4ef 0%, #eeece6 100%);
  filter: blur(0.2px);
}

/* ---------------- 顶栏 ---------------- */
.topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: calc(var(--safe-t) + 10px) 12px 8px;
  position: relative;
  z-index: 5;
}

.top-left { display: flex; align-items: center; gap: 8px; min-width: 0; }

.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--muted-2);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.dot.ok { background: #17a673; box-shadow: 0 0 0 4px rgba(23, 166, 115, 0.14); }
.dot.bad { background: #e0553a; box-shadow: 0 0 0 4px rgba(224, 85, 58, 0.14); }

.view-switch {
  display: flex;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 0.5px solid var(--glass-border);
  border-radius: 14px;
  padding: 3px;
  gap: 2px;
  box-shadow: 0 1px 3px rgba(16, 20, 30, 0.05);
}
.vs-btn {
  border: none;
  background: transparent;
  border-radius: 11px;
  padding: 8px 15px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: all 0.22s var(--ease);
}
.vs-btn.active {
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  box-shadow: 0 2px 8px rgba(16, 20, 30, 0.1);
}
.vs-btn:active { transform: scale(0.96); }

.top-actions { display: flex; align-items: center; gap: 2px; }

/* 图标统一 44×44 点击区，矢量居中，避免任何视觉偏移 */
.icon-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 50%;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  line-height: 0;
  transition: background 0.18s var(--ease), transform 0.12s var(--ease), opacity 0.18s;
}
.icon-btn svg {
  width: 21px;
  height: 21px;
  display: block;
  flex: 0 0 auto;
}
.icon-btn:active { background: rgba(18, 20, 26, 0.07); transform: scale(0.92); }
.icon-btn.off { opacity: 0.32; }
.icon-btn .ico-off { display: none; }
.icon-btn.off .ico-on { display: none; }
.icon-btn.off .ico-off { display: block; }

/* ---------------- 视图 ---------------- */
.view {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  animation: viewIn 0.28s var(--ease);
}
.view[hidden] { display: none; }
@keyframes viewIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------------- 对话区 ---------------- */
.chat {
  flex: 1 1 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 10px 14px 6px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

.empty {
  margin: auto;
  text-align: center;
  padding: 20px 28px;
  color: var(--muted);
  animation: fadeUp 0.5s var(--ease) both;
}
.empty svg { display: block; margin: 0 auto 16px; }
.empty-line {
  font-size: 16px;
  font-weight: 650;
  color: var(--ink-2);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.empty-sub {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* 气泡：毛玻璃 */
.msg {
  max-width: 88%;
  padding: 13px 15px 11px;
  border-radius: var(--r-lg);
  background: var(--glass-2);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 0.5px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
  animation: bubbleIn 0.34s var(--ease) both;
}
@keyframes bubbleIn {
  from { opacity: 0; transform: translateY(10px) scale(0.96); }
  to { opacity: 1; transform: none; }
}

.msg.me {
  align-self: flex-end;
  background: linear-gradient(165deg, rgba(255,255,255,0.9), rgba(226,246,241,0.82));
  border-bottom-right-radius: 7px;
}
.msg.them {
  align-self: flex-start;
  background: linear-gradient(165deg, rgba(255,255,255,0.9), rgba(230,238,255,0.82));
  border-bottom-left-radius: 7px;
}

.msg .who {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.msg.me .who { color: var(--me); }
.msg.them .who { color: var(--them); }
.msg .who::before {
  content: "";
  width: 4px; height: 4px; border-radius: 50%;
  background: currentColor; opacity: 0.7;
}

.msg .big {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: -0.012em;
  word-break: break-word;
  cursor: pointer;
}
.msg.me .big { color: var(--me-ink); }
.msg.them .big { color: var(--them-ink); }

.msg .small {
  margin-top: 9px;
  padding-top: 8px;
  border-top: 0.5px solid var(--hairline);
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  word-break: break-word;
}

.msg .toolbar { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.msg .toolbar button {
  border: 0.5px solid rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(8px);
  border-radius: 9px;
  font-size: 12px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--ink-2);
  transition: transform 0.12s var(--ease), background 0.18s;
}
.msg .toolbar button:active { transform: scale(0.95); background: rgba(255, 255, 255, 0.95); }
.toolbar button.kept { color: var(--me); font-weight: 600; }

.msg.pending { opacity: 0.85; }
.typing { display: inline-flex; gap: 4px; align-items: center; }
.typing i {
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; opacity: 0.3;
  animation: blink 1.1s infinite;
}
.typing i:nth-child(2) { animation-delay: 0.15s; }
.typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes blink { 0%, 100% { opacity: 0.22; } 50% { opacity: 0.9; } }

/* ---------------- 常用话术 ---------------- */
.quick {
  flex: 0 0 auto;
  max-height: 36vh;
  overflow-y: auto;
  background: var(--glass-3);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  border-top: 0.5px solid var(--glass-border);
  box-shadow: 0 -10px 34px rgba(16, 20, 30, 0.09);
  padding: 14px 16px 16px;
  animation: sheetUp 0.32s var(--ease);
}
.quick[hidden] { display: none; }
@keyframes sheetUp {
  from { transform: translateY(28px); opacity: 0; }
  to { transform: none; opacity: 1; }
}
.quick-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11.5px; font-weight: 700; color: var(--muted);
  margin-bottom: 12px; letter-spacing: 0.08em;
}
.link-btn {
  border: none; background: none; color: var(--me);
  font-size: 13px; font-weight: 600; padding: 2px 4px; cursor: pointer;
}
.quick-groups { display: flex; flex-direction: column; gap: 14px; }
.qg-title {
  font-size: 11px; color: var(--muted-2); margin-bottom: 8px;
  font-weight: 650; letter-spacing: 0.04em;
}
.qg-items { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  border: 0.5px solid rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink-2);
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 13.5px;
  cursor: pointer;
  line-height: 1.25;
  text-align: left;
  transition: transform 0.14s var(--ease), background 0.18s, border-color 0.18s;
}
.chip:active {
  background: rgba(226, 246, 241, 0.95);
  border-color: rgba(14, 138, 114, 0.35);
  color: var(--me-ink);
  transform: scale(0.96);
}

/* ---------------- 底部操作区 ---------------- */
.composer {
  flex: 0 0 auto;
  padding: 8px 12px calc(10px + var(--safe-b));
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.5) 40%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.mode-switch {
  display: flex;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 0.5px solid var(--glass-border);
  border-radius: 15px;
  padding: 3px;
  gap: 3px;
}
.mode {
  flex: 1;
  border: none;
  background: transparent;
  border-radius: 12px;
  padding: 10px 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.24s var(--ease);
}
.mode:active { transform: scale(0.97); }
.mode.active {
  background: rgba(255, 255, 255, 0.98);
  color: var(--ink);
  box-shadow: 0 2px 10px rgba(16, 20, 30, 0.1);
}
.mode.active[data-mode="zh"] { color: var(--me-ink); }
.mode.active[data-mode="en"] { color: var(--them-ink); }
.mode-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--muted-2);
  display: inline-block;
  flex: 0 0 auto;
  transition: background 0.2s, box-shadow 0.2s;
}
.mode.active[data-mode="zh"] .mode-dot { background: var(--me); box-shadow: 0 0 0 3px rgba(14,138,114,0.14); }
.mode.active[data-mode="en"] .mode-dot { background: var(--them); box-shadow: 0 0 0 3px rgba(43,87,200,0.14); }

.quick-toggle {
  border: none; background: transparent; color: var(--muted);
  font-size: 12.5px; font-weight: 600; padding: 2px; cursor: pointer;
  align-self: center; letter-spacing: 0.02em;
  transition: color 0.18s;
}
.quick-toggle:active { color: var(--me); }

.talk-row { display: flex; align-items: stretch; gap: 8px; }

.type-btn {
  flex: 0 0 52px;
  border: 0.5px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--r-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(16, 20, 30, 0.06);
  color: var(--ink-2);
  text-decoration: none;
  transition: transform 0.12s var(--ease), background 0.18s;
}
.type-btn svg { width: 21px; height: 21px; display: block; }
.type-btn:active { transform: scale(0.94); background: rgba(255, 255, 255, 0.98); }

.talk-btn {
  flex: 1 1 auto;
  position: relative;
  border: none;
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, #7cc7f7 0%, #57a9e8 62%, #3f8fd0 100%);
  color: #fff;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  touch-action: none;
  box-shadow: var(--shadow-lift);
  transition: transform 0.12s var(--ease), box-shadow 0.24s var(--ease), background 0.3s;
  overflow: hidden;
}
.talk-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0) 52%);
  pointer-events: none;
}
.talk-btn[data-mode="en"] {
  background: linear-gradient(165deg, var(--them-2) 0%, var(--them) 62%, #1c3f92 100%);
  box-shadow: 0 12px 34px rgba(43, 87, 200, 0.28);
}
.talk-btn:active, .talk-btn.recording { transform: scale(0.978); }
.talk-btn.recording { box-shadow: 0 0 0 4px rgba(20, 168, 140, 0.16), var(--shadow-lift); }
.talk-btn[data-mode="en"].recording { box-shadow: 0 0 0 4px rgba(74, 120, 232, 0.16), 0 12px 34px rgba(43,87,200,0.28); }

.talk-label { font-size: 19px; font-weight: 700; letter-spacing: 0.03em; position: relative; }
.talk-hint { font-size: 12px; opacity: 0.86; position: relative; }
.talk-btn.busy { background: linear-gradient(165deg, #8b9598, #5f6a6d) !important; box-shadow: var(--shadow-soft); }

.wave {
  display: none; gap: 3px; align-items: flex-end; height: 16px;
  margin-top: 4px; position: relative;
}
.wave i {
  width: 3px; background: #fff; border-radius: 2px; height: 5px;
  animation: w 0.85s infinite ease-in-out;
}
.wave i:nth-child(2) { animation-delay: 0.1s; }
.wave i:nth-child(3) { animation-delay: 0.2s; }
.wave i:nth-child(4) { animation-delay: 0.3s; }
.wave i:nth-child(5) { animation-delay: 0.4s; }
@keyframes w { 0%,100% { height: 4px; opacity: .6; } 50% { height: 15px; opacity: 1; } }
.talk-btn.recording .wave { display: inline-flex; }
.talk-btn.recording .talk-hint { display: none; }

/* ---------------- 助手 ---------------- */
.agent-top { display: flex; gap: 8px; align-items: stretch; }
.agent-suggest {
  flex: 1 1 auto;
  border: 0.5px solid rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  color: var(--muted);
  border-radius: var(--r-md);
  padding: 11px 12px;
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
  line-height: 1.4;
  transition: transform 0.12s var(--ease), background 0.18s;
}
.agent-suggest:active { background: rgba(226,246,241,0.95); color: var(--me-ink); transform: scale(0.985); }

.agent-attach, .agent-speak {
  flex: 0 0 46px;
  border: 0.5px solid var(--glass-border);
  background: rgba(255,255,255,0.62);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--r-md);
  color: var(--muted);
  width: 46px;
  height: auto;
}
.agent-attach svg { width: 19px; height: 19px; }
.agent-speak.off { opacity: 0.5; }
.agent-speak:not(.off) { color: var(--me); background: rgba(226,246,241,0.9); }

.talk-btn.agent {
  background: linear-gradient(165deg, #7cc7f7 0%, #57a9e8 62%, #3f8fd0 100%);
  box-shadow: 0 12px 34px rgba(87, 169, 232, 0.32);
}
.talk-btn.agent.recording { box-shadow: 0 0 0 4px rgba(124, 199, 247, 0.28), 0 12px 34px rgba(87,169,232,0.32); }

.doc-row { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; }
.doc-row[hidden] { display: none; }
.doc-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(226, 246, 241, 0.9);
  color: var(--me-ink);
  border: 0.5px solid rgba(14, 138, 114, 0.22);
  border-radius: 999px;
  padding: 6px 8px 6px 11px;
  font-size: 11.5px;
  white-space: nowrap;
  flex: 0 0 auto;
}
.doc-chip button {
  border: none; background: rgba(14,138,114,0.16); color: var(--me-ink);
  width: 18px; height: 18px; border-radius: 50%; font-size: 13px; line-height: 1; cursor: pointer;
}
.doc-preview {
  margin-top: 8px; padding-top: 8px;
  border-top: 0.5px dashed rgba(18,20,26,0.12);
  font-size: 12px; line-height: 1.55; color: var(--muted);
  max-height: 90px; overflow: hidden; word-break: break-all;
}

/* 介绍词卡片 */
.intro-card {
  margin-top: 11px;
  border: 0.5px solid rgba(14, 138, 114, 0.3);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--r-md);
  padding: 12px 13px;
  box-shadow: 0 6px 20px rgba(14, 138, 114, 0.09);
}
.intro-label { font-size: 11px; font-weight: 700; color: var(--me); letter-spacing: .06em; margin-bottom: 8px; }
.intro-text { margin: 0 0 11px; font-size: 14px; line-height: 1.6; color: var(--ink-2); }
.intro-actions { display: flex; gap: 8px; }
.intro-actions button {
  flex: 1; border-radius: 11px; padding: 11px 10px; font-size: 13.5px; font-weight: 650;
  cursor: pointer; border: none; transition: transform 0.12s var(--ease);
}
.intro-actions button:active { transform: scale(0.96); }
.intro-yes { background: linear-gradient(165deg, var(--me-2), var(--me)); color: #fff; }
.intro-no { background: rgba(18, 20, 26, 0.06); color: var(--ink-2); }
.intro-done { font-size: 12.5px; color: var(--me); font-weight: 600; }
.intro-done.muted { color: var(--muted); }
.intro-card.sent { border-color: rgba(14, 138, 114, 0.42); }
.intro-card.kept { border-color: rgba(18,20,26,0.12); background: rgba(255,255,255,0.6); }

/* 知识库写入卡片 */
.save-card {
  margin-top: 11px;
  border: 0.5px solid rgba(185, 143, 46, 0.45);
  background: rgba(255, 251, 240, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--r-md);
  padding: 12px 13px;
}
.save-label { font-size: 11px; font-weight: 700; color: #9a7320; letter-spacing: .06em; margin-bottom: 8px; }
.save-body { font-size: 13.5px; color: var(--ink-2); line-height: 1.55; margin-bottom: 10px; word-break: break-word; }
.save-body b { color: var(--ink); }
.save-actions { display: flex; gap: 8px; }
.save-actions button {
  flex: 1; border-radius: 11px; padding: 11px 10px; font-size: 13.5px; font-weight: 650;
  cursor: pointer; border: none; transition: transform 0.12s var(--ease);
}
.save-actions button:active { transform: scale(0.96); }
.save-yes { background: linear-gradient(165deg, #cba24a, #a97f22); color: #fff; }
.save-no { background: rgba(18,20,26,0.06); color: var(--ink-2); }
.save-done { font-size: 12.5px; color: #8a6a1c; font-weight: 600; }
.save-card.done { border-color: rgba(18,20,26,0.12); background: rgba(255,255,255,0.6); }

/* ---------------- 弹层 ---------------- */
.sheet {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(18, 20, 26, 0.28);
  display: flex;
  align-items: flex-end;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.2s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.sheet[hidden] { display: none; }

.sheet-inner {
  width: 100%;
  background: rgba(252, 251, 248, 0.92);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  border-top: 0.5px solid var(--glass-border);
  padding: 16px 16px calc(18px + var(--safe-b));
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: sheetUp 0.32s var(--ease);
  box-shadow: 0 -14px 40px rgba(16, 20, 30, 0.18);
}
.sheet-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 15px; font-weight: 700;
}

textarea {
  width: 100%;
  border: 0.5px solid rgba(18,20,26,0.1);
  border-radius: 14px;
  padding: 13px;
  font-size: 16.5px;
  font-family: inherit;
  resize: none;
  background: rgba(255,255,255,0.8);
  color: var(--ink);
  line-height: 1.5;
  transition: border-color 0.18s, box-shadow 0.18s;
}
textarea:focus { outline: none; border-color: var(--me); box-shadow: 0 0 0 3px rgba(14,138,114,0.12); }

.primary-btn {
  border: none;
  background: linear-gradient(165deg, var(--me-2), var(--me));
  color: #fff;
  border-radius: 14px;
  padding: 15px;
  font-size: 15.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-lift);
  transition: transform 0.12s var(--ease);
}
.primary-btn:active { transform: scale(0.98); }
.primary-btn:disabled { opacity: 0.45; box-shadow: none; }

/* 会话列表 */
.sessions-inner { max-height: 82vh; }
.new-session-btn {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  border: 1px dashed rgba(14, 138, 114, 0.4);
  background: rgba(226, 246, 241, 0.65);
  color: var(--me-ink);
  border-radius: 13px;
  padding: 12px;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  transition: transform 0.12s var(--ease), background 0.18s;
}
.new-session-btn svg { width: 17px; height: 17px; }
.new-session-btn:active { transform: scale(0.98); background: rgba(214, 240, 233, 0.95); }

.session-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  max-height: 46vh;
  margin: 2px -4px;
  padding: 0 4px;
}
.session-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.66);
  border: 0.5px solid rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: transform 0.12s var(--ease), background 0.18s;
}
.session-row:active { transform: scale(0.985); background: rgba(255,255,255,0.95); }
.session-row.active { border-color: rgba(14, 138, 114, 0.35); background: rgba(226, 246, 241, 0.7); }
.session-main { flex: 1 1 auto; min-width: 0; }
.session-title {
  font-size: 14px; font-weight: 620; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.session-meta {
  font-size: 11.5px; color: var(--muted); margin-top: 3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.session-del {
  flex: 0 0 auto;
  border: none; background: rgba(224, 85, 58, 0.1); color: #b23c2a;
  border-radius: 9px; padding: 7px 10px; font-size: 12px; cursor: pointer;
}
.session-del:active { transform: scale(0.94); }

.clear-current {
  border: none; background: transparent; color: var(--muted);
  font-size: 13px; padding: 8px; cursor: pointer;
  border-radius: 10px;
}
.clear-current:active { background: rgba(224, 85, 58, 0.08); color: #b23c2a; }

/* ---------------- 大字展示（圆角弹窗） ---------------- */
.bigshow {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(16, 18, 22, 0.32);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  animation: fadeIn 0.2s var(--ease);
}
.bigshow[hidden] { display: none; }

.bigshow-card {
  width: 100%;
  max-width: 620px;
  max-height: 82%;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 0.5px solid rgba(255, 255, 255, 0.9);
  border-radius: 26px;
  box-shadow: 0 30px 70px rgba(10, 14, 20, 0.28);
  overflow: hidden;
  animation: cardIn 0.28s var(--ease);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to { opacity: 1; transform: none; }
}

.bigshow-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 10px 20px;
  border-bottom: 0.5px solid var(--hairline);
}
.bigshow-lang {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted-2);
  text-transform: uppercase;
  font-weight: 700;
}
.bigshow-x {
  width: 34px;
  height: 34px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(18, 20, 26, 0.06);
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  line-height: 0;
  transition: background 0.16s, transform 0.12s var(--ease);
}
.bigshow-x svg { width: 16px; height: 16px; display: block; }
.bigshow-x:active { transform: scale(0.9); background: rgba(18, 20, 26, 0.12); }

.bigshow-body {
  flex: 1 1 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 18px 20px 22px;
  overscroll-behavior: contain;
}
.bigshow-text {
  font-size: clamp(30px, 8.4vw, 58px);
  line-height: 1.28;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
  word-break: break-word;
  letter-spacing: -0.02em;
}
.bigshow-text.long { font-size: clamp(19px, 5.2vw, 30px); line-height: 1.5; font-weight: 600; }
.bigshow-small {
  font-size: 14px;
  color: var(--muted);
  margin: 20px 0 0;
  line-height: 1.6;
  padding-top: 14px;
  border-top: 0.5px solid var(--hairline);
}

/* ---------------- 朗读停止条 ---------------- */
.stopbar {
  position: fixed;
  left: 0;
  right: 0;
  top: calc(var(--safe-t) + 64px);
  z-index: 55;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.stopbar[hidden] { display: none; }
.stopbar-btn {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0.5px solid rgba(255, 255, 255, 0.18);
  background: rgba(24, 27, 33, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.26);
  animation: stopIn 0.24s var(--ease);
}
.stopbar-btn svg { width: 14px; height: 14px; display: block; }
.stopbar-btn:active { transform: scale(0.96); }
@keyframes stopIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* ---------------- Toast / 自检 ---------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(122px + var(--safe-b));
  transform: translateX(-50%) translateY(10px);
  background: rgba(24, 27, 33, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.26s var(--ease);
  z-index: 80;
  max-width: 86vw;
  text-align: center;
  line-height: 1.45;
  box-shadow: 0 10px 30px rgba(0,0,0,0.22);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.diag {
  position: fixed;
  left: 8px; right: 8px;
  top: calc(var(--safe-t) + 56px);
  z-index: 90;
  background: rgba(20, 24, 24, 0.92);
  backdrop-filter: blur(10px);
  color: #cfe9e5;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  line-height: 1.55;
  padding: 10px 12px;
  border-radius: 12px;
  max-height: 34vh;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.diag[hidden] { display: none; }

/* ---------------- 深色模式 ---------------- */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f3f5;
    --ink-2: #cdd2d8;
    --muted: #8b9299;
    --muted-2: #6a7178;
    --glass: rgba(30, 33, 38, 0.6);
    --glass-2: rgba(32, 35, 41, 0.72);
    --glass-3: rgba(28, 31, 36, 0.9);
    --glass-border: rgba(255, 255, 255, 0.1);
    --hairline: rgba(255, 255, 255, 0.08);
    --me-soft: rgba(20, 168, 140, 0.14);
    --them-soft: rgba(74, 120, 232, 0.14);
    --me-ink: #6ee0c6;
    --them-ink: #a8c0ff;
    --shadow-soft: 0 1px 2px rgba(0,0,0,0.3), 0 10px 30px rgba(0,0,0,0.35);
  }
  body { background: #0d0f12; }
  body::before {
    background:
      radial-gradient(46% 34% at 12% 4%, rgba(18, 78, 68, 0.75) 0%, rgba(18, 78, 68, 0) 62%),
      radial-gradient(42% 30% at 92% 10%, rgba(28, 48, 96, 0.8) 0%, rgba(28, 48, 96, 0) 64%),
      radial-gradient(60% 42% at 50% 104%, rgba(74, 58, 32, 0.6) 0%, rgba(74, 58, 32, 0) 66%),
      linear-gradient(180deg, #12151a 0%, #0b0d10 100%);
  }
  .msg.me { background: linear-gradient(165deg, rgba(38,42,48,0.9), rgba(18,54,48,0.8)); }
  .msg.them { background: linear-gradient(165deg, rgba(38,42,48,0.9), rgba(22,36,66,0.8)); }
  .msg .toolbar button { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.1); color: var(--ink-2); }
  .sheet-inner { background: rgba(24, 27, 32, 0.94); }
  .mode.active { background: rgba(255,255,255,0.14); color: #fff; }
  .type-btn { background: rgba(40, 44, 50, 0.8); color: var(--ink-2); }
  .agent-suggest { background: rgba(40, 44, 50, 0.72); }
  .agent-attach, .agent-speak { background: rgba(40, 44, 50, 0.8); }
  .agent-speak:not(.off) { background: rgba(20, 168, 140, 0.18); }
  .chip { background: rgba(40,44,50,0.75); border-color: rgba(255,255,255,0.1); color: var(--ink-2); }
  textarea { background: rgba(20, 23, 27, 0.9); color: var(--ink); border-color: rgba(255,255,255,0.12); }
  .intro-card, .save-card { background: rgba(30, 34, 40, 0.86); }
  .bigshow { background: rgba(8, 10, 13, 0.5); }
  .bigshow-card { background: rgba(26, 29, 34, 0.94); border-color: rgba(255,255,255,0.1); }
  .bigshow-x { background: rgba(255,255,255,0.1); color: var(--ink-2); }
  .session-row { background: rgba(40, 44, 50, 0.66); }
  .session-row.active { background: rgba(20, 168, 140, 0.16); }
  .new-session-btn { background: rgba(20, 168, 140, 0.14); color: var(--me-ink); }
}

/* ---------------- 桌面预览：手机外框 ---------------- */
@media (min-width: 760px) {
  html {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100dvh;
    background: #d9d4ca;
    background-image: radial-gradient(120% 100% at 50% 0%, #efeae1 0%, #d9d4ca 45%, #c8c2b6 100%);
  }
  body {
    width: 390px;
    height: min(844px, 94vh);
    flex: 0 0 auto;
    position: relative;
    transform: translateZ(0);
    border-radius: 46px;
    overflow: hidden;
    box-shadow:
      0 0 0 10px #15171a,
      0 0 0 12px #2c2f33,
      0 30px 70px rgba(0, 0, 0, 0.32),
      0 6px 18px rgba(0, 0, 0, 0.18);
  }
  .toast { bottom: calc(112px + var(--safe-b)); }
  .diag { max-height: 40%; }
}

/* 访问码弹窗 */
.code-inner { gap: 12px; }
.code-hint { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.6; }
#codeInput {
  width: 100%;
  border: 1.5px solid var(--line-strong);
  border-radius: 14px;
  padding: 15px;
  font-size: 17px;
  background: var(--panel-soft);
  color: var(--ink);
}
#codeInput:focus { outline: none; border-color: var(--me); background: #fff; }

/* 左滑取消态 */
.talk-btn.cancel-mode {
  background: linear-gradient(165deg, #f07b6a 0%, #dc5946 62%, #b8432f 100%) !important;
  box-shadow: 0 0 0 4px rgba(220, 89, 70, 0.18), 0 12px 32px rgba(220, 89, 70, 0.3) !important;
}
.talk-btn.cancel-mode .talk-label::before {
  content: "← ";
}