/* 老孟猜车引擎 · 设计系统（夜奇迹猜车智能引擎中台） */
:root {
  --bg: #0a0c10;
  --bg-2: #0f1218;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.085);
  --line-2: rgba(255, 255, 255, 0.14);
  --txt: #e9eef5;
  --txt-2: #9aa5b5;
  --txt-3: #66707f;
  --gold: #f5a524;
  --gold-2: #ff8a3d;
  --gold-soft: rgba(245, 165, 36, 0.12);
  --green: #35d07f;
  --red: #ff5c5c;
  --blue: #4d9dff;
  --r: 14px;
  --r-sm: 10px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* 背景光效 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(245, 165, 36, 0.13), transparent 62%),
    radial-gradient(760px 480px at 96% 4%, rgba(77, 157, 255, 0.09), transparent 60%),
    radial-gradient(900px 700px at 50% 115%, rgba(255, 138, 61, 0.06), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* ========== 登录 ========== */
.login-wrap {
  position: relative;
  z-index: 1;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.025));
  border: 1px solid var(--line-2);
  border-radius: 20px;
  padding: 38px 34px 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  animation: rise .5s cubic-bezier(.2,.8,.3,1);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px) scale(.985); }
  to { opacity: 1; transform: none; }
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
}

.brand-logo {
  width: 44px; height: 44px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  display: grid; place-items: center;
  font-weight: 800; font-size: 19px; color: #1a1204;
  box-shadow: 0 8px 24px rgba(245, 165, 36, 0.32), inset 0 1px 0 rgba(255,255,255,0.4);
  flex: none;
}

.brand-txt strong { display: block; font-size: 16px; letter-spacing: .2px; }
.brand-txt span { font-size: 12px; color: var(--txt-3); letter-spacing: .5px; }

.field { margin-bottom: 15px; }
.field label {
  display: block;
  font-size: 12px;
  color: var(--txt-2);
  margin-bottom: 7px;
  letter-spacing: .3px;
}

input[type=text], input[type=password], textarea {
  width: 100%;
  background: rgba(0,0,0,0.32);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  color: var(--txt);
  font-family: var(--font);
  font-size: 14px;
  padding: 11px 13px;
  outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
}

input:focus, textarea:focus {
  border-color: rgba(245, 165, 36, 0.6);
  box-shadow: 0 0 0 3px rgba(245, 165, 36, 0.12);
  background: rgba(0,0,0,0.45);
}

input::placeholder, textarea::placeholder { color: var(--txt-3); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line-2);
  background: var(--panel-2);
  color: var(--txt);
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 500;
  padding: 10px 17px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all .18s;
  white-space: nowrap;
  user-select: none;
}

.btn:hover:not(:disabled) { background: rgba(255,255,255,0.1); border-color: var(--line-2); transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  border: none;
  color: #1a1204;
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(245, 165, 36, 0.26);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 12px 30px rgba(245, 165, 36, 0.4);
  filter: brightness(1.05);
}

.btn-block { width: 100%; padding: 12px; font-size: 14.5px; }
.btn-sm { padding: 7px 12px; font-size: 12.5px; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--txt-2); }
.btn-ghost:hover:not(:disabled) { background: var(--panel-2); color: var(--txt); }

.alert {
  font-size: 13px;
  padding: 10px 13px;
  border-radius: var(--r-sm);
  margin-bottom: 14px;
  display: none;
  line-height: 1.5;
}
.alert.show { display: block; }
.alert-err { background: rgba(255, 92, 92, 0.12); border: 1px solid rgba(255, 92, 92, 0.3); color: #ffabab; }
.alert-ok { background: rgba(53, 208, 127, 0.1); border: 1px solid rgba(53, 208, 127, 0.28); color: #8ff0bd; }

/* ========== 主布局 ========== */
.app { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; }

.topbar {
  height: 58px;
  flex: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 12, 16, 0.72);
  backdrop-filter: blur(20px);
}

.topbar .brand-mark { margin: 0; gap: 10px; }
.topbar .brand-logo { width: 32px; height: 32px; border-radius: 9px; font-size: 14px; }
.topbar .brand-txt strong { font-size: 14px; }
.topbar .brand-txt span { font-size: 10.5px; }

.top-spacer { flex: 1; }

.quota-pill {
  display: flex; align-items: center; gap: 8px;
  font-size: 12.5px;
  color: var(--txt-2);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 100px;
}
.quota-pill b { color: var(--gold); font-size: 13px; font-variant-numeric: tabular-nums; }
.quota-pill.low b { color: var(--red); }

.user-chip {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px;
  color: var(--txt-2);
  cursor: pointer;
  padding: 5px 10px 5px 5px;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: all .18s;
}
.user-chip:hover { background: var(--panel-2); border-color: var(--line); }
.avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: linear-gradient(135deg, #2b3441, #1a2029);
  border: 1px solid var(--line-2);
  display: grid; place-items: center;
  font-size: 11.5px; font-weight: 700; color: var(--gold);
}

.main { flex: 1; display: flex; min-height: 0; }

/* 左栏 */
.side {
  width: 372px;
  flex: none;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: rgba(255,255,255,0.012);
}

.side-scroll { flex: 1; overflow-y: auto; padding: 18px; }
.side-scroll::-webkit-scrollbar { width: 8px; }
.side-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 8px; }
.side-scroll::-webkit-scrollbar-track { background: transparent; }

.block { margin-bottom: 18px; }
.block-title {
  font-size: 11.5px;
  color: var(--txt-3);
  letter-spacing: 1.1px;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.block-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}

/* 上传区 */
.drop {
  border: 1.5px dashed rgba(255,255,255,0.16);
  border-radius: var(--r);
  background: rgba(0,0,0,0.22);
  min-height: 186px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all .22s;
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 18px;
}
.drop:hover, .drop.over {
  border-color: rgba(245, 165, 36, 0.62);
  background: rgba(245, 165, 36, 0.045);
}
.drop.over { transform: scale(1.012); }

.drop-inner { pointer-events: none; }
.drop-icon {
  width: 42px; height: 42px;
  margin: 0 auto 11px;
  border-radius: 12px;
  background: var(--gold-soft);
  border: 1px solid rgba(245,165,36,0.22);
  display: grid; place-items: center;
  color: var(--gold);
}
.drop-t { font-size: 13.5px; color: var(--txt); margin-bottom: 5px; font-weight: 500; }
.drop-s { font-size: 11.5px; color: var(--txt-3); line-height: 1.6; }

.drop.has-img { border-style: solid; border-color: rgba(245,165,36,0.4); padding: 10px; }

/* 多素材缩略图（一次可传多张 / 整个文件夹） */
.thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: #000;
}
.thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.thumb-no {
  position: absolute;
  left: 4px; bottom: 4px;
  min-width: 17px; height: 17px;
  padding: 0 4px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.68);
  color: #fff;
  font-size: 10.5px;
  line-height: 17px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.thumb-x {
  position: absolute;
  right: 3px; top: 3px;
  width: 19px; height: 19px;
  border: none;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 11px;
  line-height: 19px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, background .15s;
}
.thumb:hover .thumb-x { opacity: 1; }
.thumb-x:hover { background: var(--red); }

.up-row { display: flex; gap: 8px; margin-top: 8px; }
.up-row .btn { flex: 1; }
/* 标题右侧的计数：order 排在 ::after 那条渐变线之后，才能靠到最右边 */
.bt-right {
  order: 2;
  margin-left: 4px;
  font-size: 11px;
  font-weight: 400;
  color: var(--txt-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.preview-tools {
  position: absolute;
  right: 8px; top: 8px;
  display: flex; gap: 6px;
  z-index: 3;
}
.icon-btn {
  width: 28px; height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(6px);
  color: #fff;
  display: grid; place-items: center;
  cursor: pointer;
  font-size: 13px;
  transition: all .16s;
}
.icon-btn:hover { background: rgba(255,92,92,0.85); border-color: transparent; }

textarea#note { min-height: 62px; resize: vertical; line-height: 1.55; font-size: 13px; }

/* 模式选择 */
.modes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.mode {
  border: 1px solid var(--line-2);
  background: var(--panel);
  border-radius: var(--r-sm);
  padding: 9px 11px;
  cursor: pointer;
  transition: all .18s;
  text-align: left;
}
.mode:hover { background: var(--panel-2); }
.mode.on {
  border-color: rgba(245,165,36,0.62);
  background: var(--gold-soft);
  box-shadow: inset 0 0 0 1px rgba(245,165,36,0.15);
}
.mode b { display: block; font-size: 13px; font-weight: 600; margin-bottom: 1px; }
.mode span { font-size: 11px; color: var(--txt-3); }
.mode.on b { color: var(--gold); }

/* 生成按钮 */
.gen-wrap { padding: 14px 18px; border-top: 1px solid var(--line); background: rgba(0,0,0,0.2); }

/* 两段式的第一段：先识车，认准了再出全稿 */
.btn-id {
  width: 100%;
  margin-bottom: 9px;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--txt-2);
  background: var(--panel);
  border: 1px dashed var(--line-2);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all .18s;
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.btn-id svg { opacity: .75; }
.btn-id:hover:not(:disabled) {
  color: var(--gold);
  border-color: rgba(245,165,36,0.45);
  background: rgba(245,165,36,0.07);
}
.btn-id:hover:not(:disabled) svg { opacity: 1; }
.btn-id:disabled { opacity: .34; cursor: not-allowed; }

.btn-gen {
  width: 100%;
  padding: 13px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .3px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  border: none;
  color: #1a1204;
  border-radius: var(--r-sm);
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(245,165,36,0.24);
  transition: all .2s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-gen:hover:not(:disabled) { box-shadow: 0 14px 34px rgba(245,165,36,0.4); filter: brightness(1.06); }
.btn-gen:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }

/* 历史 */
.hist-item {
  padding: 9px 11px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .16s;
  margin-bottom: 4px;
  position: relative;
}
.hist-item:hover { background: var(--panel-2); border-color: var(--line); padding-right: 52px; }
.hist-item .h-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--txt);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  margin-bottom: 3px;
}
.hist-item .h-top { display: flex; justify-content: space-between; gap: 8px; font-size: 11.5px; color: var(--txt-3); margin-bottom: 2px; }
.hist-item .h-body { font-size: 12.5px; color: var(--txt-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* 已用 / 未用 标记：常显，点一下切换 */
.hist-item .h-flag {
  position: absolute;
  right: 8px; top: 8px;
  font-family: var(--font);
  font-size: 10.5px;
  line-height: 16px;
  height: 18px;
  padding: 0 7px;
  border-radius: 9px;
  border: 1px solid var(--line-2);
  background: var(--panel-2);
  color: var(--txt-3);
  cursor: pointer;
  transition: all .16s;
}
.hist-item .h-flag.on {
  border-color: rgba(53, 208, 127, 0.42);
  background: rgba(53, 208, 127, 0.13);
  color: var(--green);
}
.hist-item .h-flag:hover { border-color: rgba(245,165,36,0.5); color: var(--gold); }

.hist-item .h-rename {
  position: absolute;
  right: 7px; bottom: 6px;
  opacity: 0;
  font-family: var(--font);
  font-size: 11px;
  line-height: 1;
  padding: 5px 7px;
  border-radius: 7px;
  border: 1px solid var(--line-2);
  background: rgba(0,0,0,0.5);
  color: var(--txt-2);
  cursor: pointer;
  transition: all .16s;
}
.hist-item .h-del {
  position: absolute;
  right: 7px; bottom: 27px;
  opacity: 0;
  font-family: var(--font);
  font-size: 11px;
  line-height: 1;
  padding: 5px 7px;
  border-radius: 7px;
  border: 1px solid var(--line-2);
  background: rgba(0,0,0,0.5);
  color: var(--txt-2);
  cursor: pointer;
  transition: all .16s;
}
.hist-item:hover .h-rename, .hist-item:hover .h-del { opacity: 1; }
.hist-item .h-rename:hover { color: var(--gold); border-color: rgba(245,165,36,0.5); background: var(--gold-soft); }
.hist-item .h-del:hover { color: var(--red); border-color: rgba(255,92,92,0.5); background: rgba(255,92,92,0.12); }
.hist-item.on { background: var(--gold-soft); border-color: rgba(245,165,36,0.32); }
.hist-item .h-edited { color: var(--gold); opacity: .85; }
.hist-item .h-pics { color: var(--blue); opacity: .8; margin-left: 4px; }
/* 标成已用的稿子整体压暗：拍过的稿子不会再被当成新素材 */
.hist-item.used { opacity: .58; }
.hist-item.used .h-title { text-decoration: line-through; text-decoration-color: rgba(255,255,255,0.22); }
.hist-item.used:hover { opacity: .85; }

.btn-danger {
  background: rgba(255, 92, 92, 0.14);
  border-color: rgba(255, 92, 92, 0.45);
  color: #ffb3b3;
}
.btn-danger:hover:not(:disabled) { background: rgba(255, 92, 92, 0.24); border-color: rgba(255, 92, 92, 0.7); }
.del-tip { font-size: 13.5px; color: var(--txt); margin-bottom: 6px; word-break: break-all; }
.del-sub { font-size: 12px; color: var(--txt-3); line-height: 1.6; }
.del-sub code {
  font-family: var(--mono);
  font-size: 11.5px;
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 5px;
}
.rn-tip { text-align: right; font-size: 11px; color: var(--txt-3); margin-top: 5px; font-variant-numeric: tabular-nums; }

/* 右栏 */
.content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  position: relative;
}

.content-bar {
  flex: none;
  height: 46px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(10,12,16,0.4);
}
.content-bar .cb-title { font-size: 12.5px; color: var(--txt-2); display: flex; align-items: center; gap: 8px; flex: none; }
.content-bar .doc-title {
  max-width: 38%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 12px;
  color: var(--txt-2);
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
  transition: all .16s;
}
.content-bar .doc-title:hover { color: var(--gold); border-color: rgba(245,165,36,0.45); background: var(--gold-soft); }
.bar-group { display: flex; align-items: center; gap: 8px; flex: none; }
.edit-tip { font-size: 11.5px; color: var(--gold); letter-spacing: .3px; white-space: nowrap; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--txt-3); }
.dot.live { background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 1.4s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* 识车确认条：只出第①块之后冒出来，给一个「按这个出全稿」的明确动作 */
.id-banner {
  flex: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  border-bottom: 1px solid rgba(245,165,36,0.22);
  background: linear-gradient(90deg, rgba(245,165,36,0.13), rgba(245,165,36,0.02));
  font-size: 12.5px;
  color: var(--txt-2);
}
.ib-tag {
  flex: none;
  padding: 2px 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .3px;
  border-radius: 999px;
  color: #1a1204;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
}
.ib-txt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ib-go {
  flex: none;
  padding: 6px 13px;
  font-size: 12.5px;
  font-weight: 700;
  color: #1a1204;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  border: none;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(245,165,36,0.22);
  transition: all .18s;
}
.ib-go:hover { filter: brightness(1.07); box-shadow: 0 8px 20px rgba(245,165,36,0.34); }
.ib-x {
  flex: none;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  color: var(--txt-3);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  transition: all .16s;
}
.ib-x:hover { color: var(--red); border-color: rgba(255,92,92,0.4); }

.output {
  flex: 1;
  overflow-y: auto;
  padding: 28px 34px 80px;
  scroll-behavior: smooth;
}
.output::-webkit-scrollbar { width: 10px; }
.output::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
.output::-webkit-scrollbar-track { background: transparent; }

/* 编辑模式 */
.output.editing {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 18px 24px 24px;
}
.editor-wrap { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 10px; }
.editor-head {
  flex: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  font-size: 11.5px; color: var(--txt-3);
}
.editor-head .eh-count { color: var(--txt-2); font-variant-numeric: tabular-nums; }
textarea.editor {
  flex: 1;
  min-height: 0;
  width: 100%;
  resize: none;
  font-family: var(--mono);
  font-size: 12.8px;
  line-height: 1.8;
  padding: 16px 18px;
  border-radius: var(--r);
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--line-2);
  color: var(--txt);
  tab-size: 2;
}
textarea.editor:focus { border-color: rgba(245,165,36,0.55); box-shadow: 0 0 0 3px rgba(245,165,36,0.1); background: rgba(0,0,0,0.5); }

/* 空状态 */
.empty {
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px;
}
.empty-inner { max-width: 470px; }
.empty-ico {
  width: 62px; height: 62px;
  margin: 0 auto 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(245,165,36,0.16), rgba(255,138,61,0.06));
  border: 1px solid rgba(245,165,36,0.24);
  display: grid; place-items: center;
  color: var(--gold);
}
.empty h2 { font-size: 19px; font-weight: 650; margin-bottom: 9px; letter-spacing: .2px; }
.empty p { font-size: 13.5px; color: var(--txt-2); line-height: 1.8; }
.empty .steps {
  display: flex; gap: 8px; justify-content: center; margin-top: 22px; flex-wrap: wrap;
}
.step-chip {
  font-size: 11.5px; color: var(--txt-2);
  background: var(--panel); border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 100px;
  display: flex; align-items: center; gap: 6px;
}
.step-chip i {
  font-style: normal; color: var(--gold); font-weight: 700; font-size: 10.5px;
}

/* markdown */
.md { font-size: 14.2px; line-height: 1.82; color: #dbe3ec; max-width: 940px; }
.md h1 {
  font-size: 21px;
  font-weight: 700;
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  letter-spacing: .2px;
  background: linear-gradient(90deg, #fff, #c9d3e0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.md h2 {
  font-size: 16px;
  font-weight: 650;
  margin: 30px 0 13px;
  padding-left: 11px;
  border-left: 3px solid var(--gold);
  color: #fff;
  letter-spacing: .2px;
}
.md h2:first-of-type { margin-top: 6px; }
.md h3 { font-size: 14.2px; font-weight: 650; margin: 20px 0 9px; color: #fff; }
.md h4 { font-size: 13.5px; font-weight: 600; margin: 16px 0 7px; color: var(--txt); }
.md p { margin: 9px 0; }
.md strong { color: #fff; font-weight: 650; }
.md em { color: var(--txt-2); }
.md ul, .md ol { margin: 9px 0 9px 20px; }
.md li { margin: 4px 0; }
.md li::marker { color: var(--gold); }
.md code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: rgba(255,255,255,0.075);
  padding: 1.5px 5px;
  border-radius: 5px;
  color: #ffd08a;
}
.md pre {
  background: rgba(0,0,0,0.42);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 13px 15px;
  overflow-x: auto;
  margin: 11px 0;
}
.md pre code { background: none; padding: 0; color: #cfd8e3; }
.md blockquote {
  border-left: 3px solid rgba(77,157,255,0.5);
  background: rgba(77,157,255,0.06);
  margin: 11px 0;
  padding: 9px 15px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--txt-2);
}
.md hr { border: none; border-top: 1px solid var(--line); margin: 20px 0; }
.md table {
  width: 100%;
  border-collapse: collapse;
  margin: 13px 0;
  font-size: 13.2px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.md thead { background: rgba(245,165,36,0.075); }
.md th {
  text-align: left;
  padding: 9px 12px;
  font-weight: 600;
  color: #ffd08a;
  border-bottom: 1px solid var(--line-2);
  font-size: 12.5px;
  white-space: nowrap;
}
.md td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.055);
  vertical-align: top;
}
.md tbody tr:last-child td { border-bottom: none; }
.md tbody tr:hover { background: rgba(255,255,255,0.022); }

/* 光标 */
.caret {
  display: inline-block;
  width: 7px; height: 15px;
  background: var(--gold);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(2) infinite;
  border-radius: 1px;
}
@keyframes blink { 0%,50% { opacity: 1; } 50.01%,100% { opacity: 0; } }

/* 提示条 */
.notice {
  display: flex; align-items: center; gap: 9px;
  font-size: 12.8px;
  padding: 9px 14px;
  border-radius: var(--r-sm);
  margin-bottom: 16px;
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--line);
  color: var(--txt-2);
}
.notice.err { background: rgba(255,92,92,0.1); border-color: rgba(255,92,92,0.28); color: #ffb3b3; }
.notice.warn { background: rgba(245,165,36,0.09); border-color: rgba(245,165,36,0.26); color: #ffd08a; }

/* 弹窗 */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.68);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  animation: fade .2s;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%;
  max-width: 520px;
  max-height: 86vh;
  overflow-y: auto;
  background: linear-gradient(180deg, #171b22, #12151a);
  border: 1px solid var(--line-2);
  border-radius: 18px;
  padding: 26px;
  box-shadow: var(--shadow);
  animation: rise .32s cubic-bezier(.2,.8,.3,1);
}
.modal h3 { font-size: 17px; margin-bottom: 6px; }
.modal .sub { font-size: 12.5px; color: var(--txt-3); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 9px; justify-content: flex-end; margin-top: 22px; }

.member-row {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  margin-bottom: 8px;
  background: var(--panel);
}
.member-row .m-info { flex: 1; min-width: 0; }
.member-row .m-name { font-size: 13.5px; font-weight: 550; display: flex; align-items: center; gap: 7px; }
.member-row .m-sub { font-size: 11.5px; color: var(--txt-3); }
.tag {
  font-size: 10px;
  padding: 1.5px 7px;
  border-radius: 100px;
  border: 1px solid var(--line-2);
  color: var(--txt-2);
  font-weight: 500;
}
.tag.admin { color: var(--gold); border-color: rgba(245,165,36,0.4); background: var(--gold-soft); }
.tag.off { color: var(--red); border-color: rgba(255,92,92,0.35); background: rgba(255,92,92,0.1); }

.qty-input {
  width: 62px;
  text-align: center;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--line-2);
  border-radius: 7px;
  color: var(--txt);
  padding: 5px;
  font-size: 13px;
  font-family: var(--font);
}

.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(24, 28, 36, 0.96);
  border: 1px solid var(--line-2);
  color: var(--txt);
  font-size: 13px;
  padding: 10px 20px;
  border-radius: 100px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: all .26s cubic-bezier(.2,.8,.3,1);
  z-index: 200;
  backdrop-filter: blur(10px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 移动端 */
@media (max-width: 880px) {
  body { overflow: auto; }
  .app { height: auto; min-height: 100%; }
  .main { flex-direction: column; }
  .side { width: 100%; border-right: none; border-bottom: 1px solid var(--line); }
  .side-scroll { max-height: none; overflow: visible; }
  .content { min-height: 60vh; }
  .output { padding: 20px 16px 60px; }
  .md { font-size: 14px; }
  .md table { display: block; overflow-x: auto; white-space: nowrap; }
  .topbar { padding: 0 14px; gap: 9px; }
  .topbar .brand-txt span { display: none; }
  .quota-pill span.lbl { display: none; }
  .content-bar { padding: 0 12px; gap: 6px; }
  .content-bar .doc-title { display: none !important; }
  .content-bar .btn-sm { padding: 6px 9px; font-size: 11.5px; }
  .edit-tip { display: none; }
  .output.editing { padding: 12px 12px 16px; }
  .editor-head { font-size: 11px; }
  .editor-head .eh-hint { display: none; }
}

@media (max-width: 380px) {
  #copyBtn { display: none !important; }
}


/* ========== IM 互联面板 ========== */
.im-mask {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(4, 6, 10, 0.72);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 22px;
  animation: imFade .18s ease;
}
@keyframes imFade { from { opacity: 0 } to { opacity: 1 } }

.im-panel {
  width: min(1000px, 100%);
  max-height: min(92vh, 900px);
  background: linear-gradient(180deg, #12161e, #0d1015);
  border: 1px solid var(--line-2);
  border-radius: 18px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.06);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: imUp .22s cubic-bezier(.2,.8,.3,1);
}
@keyframes imUp { from { transform: translateY(14px) scale(.99); opacity: 0 } to { transform: none; opacity: 1 } }

.im-head {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(600px 120px at 10% 0%, rgba(245,165,36,0.10), transparent 70%);
}
.im-head h3 { font-size: 16.5px; letter-spacing: .2px; }
.im-head p { font-size: 12.5px; color: var(--txt-3); margin-top: 3px; }
.im-head .icon-btn { flex: none; }

.im-body { overflow-y: auto; padding: 18px 22px 24px; }
.im-body::-webkit-scrollbar { width: 8px; }
.im-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }

.im-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 860px) { .im-grid { grid-template-columns: 1fr; } }

.im-card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  padding: 16px 16px 14px;
  transition: border-color .18s, background .18s;
}
.im-card:hover { border-color: var(--line-2); }
.im-card.on { border-color: rgba(53,208,127,0.34); background: rgba(53,208,127,0.045); }
.im-card.err { border-color: rgba(255,92,92,0.32); background: rgba(255,92,92,0.04); }

.im-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.im-card-head b { font-size: 14px; display: block; }
.im-card-head span { font-size: 11.5px; color: var(--txt-3); }
.im-ico {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  font-size: 15px; font-weight: 700; color: #fff;
  flex: none;
}
.im-ico.wecom { background: linear-gradient(145deg, #2f7cf6, #1b52b8); box-shadow: 0 6px 16px rgba(47,124,246,0.28); }
.im-ico.feishu { background: linear-gradient(145deg, #3d7bfd, #7a5cff); box-shadow: 0 6px 16px rgba(90,110,255,0.28); }

.im-state {
  font-size: 11.5px; padding: 4px 10px; border-radius: 99px;
  border: 1px solid var(--line-2); color: var(--txt-3);
  white-space: nowrap;
}
.im-state.on { color: #8ff0bd; border-color: rgba(53,208,127,0.4); background: rgba(53,208,127,0.1); }
.im-state.err { color: #ffabab; border-color: rgba(255,92,92,0.4); background: rgba(255,92,92,0.1); }
.im-state.wait { color: #ffd08a; border-color: rgba(245,165,36,0.4); background: rgba(245,165,36,0.1); }

.im-reason {
  font-size: 11.8px; line-height: 1.55; color: var(--txt-3);
  background: rgba(0,0,0,0.26);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  margin-bottom: 12px;
  min-height: 34px;
  word-break: break-all;
}
.im-reason.bad { color: #ffabab; border-color: rgba(255,92,92,0.28); }
.im-reason.ok { color: #8ff0bd; border-color: rgba(53,208,127,0.26); }

.im-card .field { margin-bottom: 11px; }
.im-card .field label { font-size: 11.5px; margin-bottom: 5px; }
.im-card .field label em { font-style: normal; color: var(--txt-3); margin-left: 6px; font-size: 11px; }

.im-mask input[type=text], .im-mask input[type=password], .im-mask input[type=number], .im-mask select {
  width: 100%;
  background: rgba(0,0,0,0.34);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  color: var(--txt);
  font-family: var(--font);
  font-size: 13px;
  padding: 9px 11px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
.im-mask input:focus, .im-mask select:focus {
  border-color: rgba(245,165,36,0.6);
  box-shadow: 0 0 0 3px rgba(245,165,36,0.12);
}
.im-mask select { appearance: none; cursor: pointer; }
.im-mask select option { background: #12161e; color: var(--txt); }

.im-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 520px) { .im-row2 { grid-template-columns: 1fr; } }

.im-callback {
  display: flex; align-items: center; gap: 8px;
  font-size: 11.5px; color: var(--txt-3);
  margin-bottom: 11px; flex-wrap: wrap;
}
.im-callback code {
  font-family: var(--mono); font-size: 11px;
  background: rgba(0,0,0,0.34); border: 1px solid var(--line);
  padding: 4px 8px; border-radius: 6px; color: var(--txt-2);
  word-break: break-all;
}

.im-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.im-actions .btn { flex: 1 1 auto; justify-content: center; min-width: 84px; }

.im-global {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px;
  margin-top: 14px; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--panel);
}
.im-g-item { flex: 1 1 180px; }
.im-g-item label { display: block; font-size: 11.5px; color: var(--txt-2); margin-bottom: 6px; }
.im-g-check { flex: 1 1 100%; }
.im-g-check .check { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--txt-2); cursor: pointer; }
.im-g-check input[type=checkbox] { width: 15px; height: 15px; accent-color: var(--gold); }

.im-sim, .im-events {
  margin-top: 14px; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--panel);
}
.im-sim-head b, .im-events-head b { font-size: 13px; }
.im-sim-head span { display: block; font-size: 11.5px; color: var(--txt-3); margin-top: 3px; }
.im-sim-body { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.im-sim-body input[type=text] { flex: 1 1 240px; }
.im-sim-out {
  margin-top: 12px; padding: 12px; max-height: 260px; overflow: auto;
  background: rgba(0,0,0,0.36); border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-family: var(--mono); font-size: 11.5px; line-height: 1.7;
  color: var(--txt-2); white-space: pre-wrap; word-break: break-word;
}

.im-events-head { display: flex; align-items: center; gap: 10px; }
.im-event-list { margin-top: 10px; max-height: 240px; overflow-y: auto; }
.im-empty { font-size: 12px; color: var(--txt-3); padding: 10px 0; }
.ev-item {
  display: flex; gap: 9px; align-items: baseline;
  font-size: 11.8px; padding: 6px 8px; border-radius: 7px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.ev-item:last-child { border-bottom: none; }
.ev-time { color: var(--txt-3); font-family: var(--mono); font-size: 10.5px; flex: none; }
.ev-ch { flex: none; font-size: 10.5px; padding: 1px 6px; border-radius: 99px; border: 1px solid var(--line-2); color: var(--txt-2); }
.ev-msg { color: var(--txt-2); word-break: break-word; }
.ev-item.error .ev-msg { color: #ffabab; }
.ev-item.warn .ev-msg { color: #ffd08a; }

@media (max-width: 620px) {
  .im-mask { padding: 0; }
  .im-panel { max-height: 100vh; height: 100vh; border-radius: 0; border: none; }
  .im-head { padding: 16px; }
  .im-body { padding: 14px 16px 22px; }
  .im-actions .btn { flex: 1 1 40%; }
}

.hist-item .h-rev { color: #7ad0ff; opacity: .85; margin-left: 4px; }

/* ---- AI 改稿面板：说出哪里不对，让 AI 按同一套规则重写一版 ---- */
.ai-panel {
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 12px 18px 13px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(77, 157, 255, 0.075), rgba(77, 157, 255, 0.015));
}
.ap-head { display: flex; align-items: center; gap: 9px; }
.ap-tag {
  flex: none;
  padding: 2px 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .3px;
  border-radius: 999px;
  color: #06111f;
  background: linear-gradient(135deg, var(--blue), #7ad0ff);
}
.ap-sub { font-size: 12px; color: var(--txt-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ap-x {
  flex: none;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  color: var(--txt-3);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  transition: all .16s;
}
.ap-x:hover { color: var(--txt); border-color: var(--line-2); background: var(--panel-2); }
.ap-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  padding: 4px 10px;
  font-size: 12px;
  font-family: var(--font);
  color: var(--txt-2);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: all .16s;
}
.chip:hover { color: var(--txt); border-color: rgba(77, 157, 255, 0.45); background: rgba(77, 157, 255, 0.13); }
.ai-panel textarea {
  width: 100%;
  min-height: 62px;
  max-height: 150px;
  resize: vertical;
  padding: 9px 11px;
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.7;
  color: var(--txt);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  outline: none;
}
.ai-panel textarea:focus { border-color: rgba(77, 157, 255, 0.45); box-shadow: 0 0 0 3px rgba(77, 157, 255, 0.1); }
.ap-foot { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.ap-mode { color: var(--txt-2); }
.ap-mode.ok { color: var(--green); opacity: .9; }
.ap-mode.warn { color: var(--gold); opacity: .9; }
.ap-count { color: var(--txt-3); font-variant-numeric: tabular-nums; }

/* ---- 修改记录：每一版留底的明细，支持一键还原 ---- */
.ver-list { display: flex; flex-direction: column; gap: 9px; max-height: 320px; overflow: auto; }
.ver-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--panel);
}
.ver-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.ver-label { font-size: 13px; font-weight: 700; color: var(--txt); }
.ver-when { font-size: 11.5px; color: var(--txt-3); font-variant-numeric: tabular-nums; }
.ver-sub { font-size: 12px; color: var(--txt-2); }
.ver-item .ver-go { align-self: flex-start; }