/* 回鹘文、如尼文的三栏编辑器（js/editors/three-pane.js）。 */
.top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: .75rem 1.5rem; }
.top > div:first-child { min-width: 0; flex: 1 1 22rem; }
.top h1 { margin: 0; font-family: var(--f-head); font-weight: 600; font-size: 1.75rem; letter-spacing: .04em; line-height: 1.2; text-wrap: balance; }
.top .sub { margin: .2rem 0 0; font-family: var(--f-lat); font-style: italic; color: var(--ink-soft); font-size: 1rem; }
.top .desc { margin: .5rem 0 0; color: var(--ink-soft); max-width: 40rem; }
/* 标题下的查词入口：一排按钮，样式同 .btn */
.tool-dicts { margin: .55rem 0 0; font-size: .85rem; color: var(--ink-soft); display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .5rem; }
.tool-dicts .lbl { margin-right: .15rem; }
.tool-dicts a {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .85rem; line-height: 1.3; padding: .36rem .7rem;
  border: 1px solid var(--rule); border-radius: 5px; background: var(--sheet);
  color: var(--ink); text-decoration: none;
}
.tool-dicts a svg { flex: none; color: var(--seal); }
.tool-dicts a:hover { border-color: var(--lapis); color: var(--lapis); }
.note { margin: 0; font-size: .85rem; color: var(--ink-soft); }

/* panes */
.pane { background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
.pane:focus-within { border-color: var(--lapis); box-shadow: 0 0 0 1px var(--lapis); }
.pane-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: .5rem 1rem; padding: .7rem 1rem .6rem; border-bottom: 1px solid var(--rule); }
.pane-head > div:first-child { min-width: 0; flex: 1 1 18rem; }
.pane-head h2 { margin: 0; font-size: 1rem; font-weight: 600; display: flex; align-items: baseline; gap: .5rem; }
.pane-head h2 .tag { font-family: var(--f-lat); font-style: italic; font-weight: 400; color: var(--ink-soft); font-size: .95rem; }
.pane-head p { margin: .15rem 0 0; font-size: .82rem; color: var(--ink-soft); }
.pane-head .tools { display: flex; gap: .4rem; flex-wrap: wrap; margin: 0; }

.field { position: relative; }
.field.sc { font-family: var(--f-ug); font-size: clamp(1.5rem, 1.05rem + 1.9vw, 2.05rem); line-height: 2.15; }
.field.sc.rn { font-family: var(--f-rn); font-size: clamp(1.35rem, 1rem + 1.4vw, 1.8rem); line-height: 2; }
.field.lat { font-family: var(--f-lat); font-size: clamp(1.15rem, 1rem + .7vw, 1.4rem); line-height: 1.8; }
.field textarea, .field .bd-inner {
  font: inherit; line-height: inherit; letter-spacing: 0; tab-size: 4;
  padding: .9rem 1.2rem; margin: 0; border: 0;
  white-space: pre-wrap; overflow-wrap: break-word; word-break: normal;
}
.field textarea {
  display: block; width: 100%; height: 11rem; min-height: 7rem; resize: none;
  background: transparent; color: var(--ink); caret-color: var(--lapis);
  position: relative; z-index: 1; outline: none;
  overflow-y: auto; overflow-x: hidden; scrollbar-gutter: stable;
}
.field.sc textarea { height: 15.5rem; }
.field .backdrop { position: absolute; inset: 0; overflow: hidden; scrollbar-gutter: stable; pointer-events: none; }
.field .bd-inner { color: transparent; min-height: 100%; will-change: transform; }
.field mark { color: transparent; background: var(--hl); border-radius: 3px; box-shadow: 0 0 0 .14em var(--hl); }
.field mark.self { background: var(--hl-self); box-shadow: 0 0 0 .14em var(--hl-self); }
.field.sc.vertical textarea, .field.sc.vertical .backdrop { writing-mode: sideways-lr; }
.field.sc.vertical textarea { height: 22rem; resize: none; overflow-x: auto; overflow-y: hidden; }

.pane-foot { padding: .5rem 1rem; border-top: 1px solid var(--rule); font-size: .82rem; color: var(--ink-soft); display: flex; flex-wrap: wrap; gap: .4rem 1rem; align-items: center; }
.pane-foot .warn { color: var(--warn); }
.pane-foot .warn b { font-family: var(--f-lat); font-weight: 400; font-size: 1rem; }

/* keyboard */
.kb { border-top: 1px solid var(--rule); }
.kb > summary { cursor: pointer; padding: .55rem 1rem; font-size: .85rem; color: var(--ink-soft); }
.kb-body { padding: 0 1rem 1rem; display: flex; flex-direction: column; gap: .6rem; }
.grp-lbl { font-size: .72rem; letter-spacing: .08em; color: var(--ink-soft); margin: .2rem 0 -.2rem; }
.keys { display: grid; grid-template-columns: repeat(auto-fill, minmax(3.5rem, 1fr)); gap: .4rem; }
.key {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0;
  padding: .4rem .2rem .3rem; min-height: 4.1rem; cursor: pointer;
  border: 1px solid var(--rule); border-radius: 5px; background: var(--paper); color: var(--ink); font: inherit;
}
.key:hover { border-color: var(--lapis); }
.key:active { background: var(--hl); }
.key .g { font-family: var(--f-ug); font-size: 1.45rem; line-height: 1.5; }
.key .g.rn { font-family: var(--f-rn); font-size: 1.3rem; }
.key .t { font-family: var(--f-lat); font-size: 1rem; line-height: 1.1; color: var(--lapis); }
.key .s { font-size: .7rem; line-height: 1.2; color: var(--ink-soft); }
.key kbd { position: absolute; top: .2rem; left: .3rem; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .64rem; color: var(--ink-soft); }
.key.wide { grid-column: span 2; }
.palette { display: flex; flex-wrap: wrap; gap: .35rem; padding: .55rem 1rem; border-top: 1px solid var(--rule); }
.palette .pk { font-family: var(--f-lat); font-size: 1.1rem; min-width: 2.3rem; padding: .15rem .5rem; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper); color: var(--ink); cursor: pointer; }
.palette .pk:hover { border-color: var(--lapis); }

/* 字母键那一块 */
details.box { background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; }
details.box > summary { cursor: pointer; padding: .7rem 1rem; font-weight: 600; font-size: .95rem; }
details.box .inner { padding: 0 1rem 1rem; display: flex; flex-direction: column; gap: .6rem; }
@media (max-width: 480px) {
  .field textarea, .field .bd-inner { padding: .75rem .85rem; }
  .keys { grid-template-columns: repeat(auto-fill, minmax(3.1rem, 1fr)); }
}

/* ---------- 三栏并排：宽屏时原文、换写、转写左右排开，一屏看全 ---------- */
.tri-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.tri-grid .pane { display: flex; flex-direction: column; min-width: 0; }
.tri-grid .pane-head > div:first-child { flex: 1 1 auto; }
.kb-box .kb-body { padding: 0 1rem 1rem; }
@media (min-width: 1000px) {
  .tri-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
  .tri-grid .field { flex: 1 1 auto; }
  .tri-grid .field textarea { height: max(16rem, calc(100vh - 28rem)); resize: none; }
  .tri-grid .field.sc.vertical textarea { height: max(16rem, calc(100vh - 28rem)); }
  .tri-grid .palette { margin-top: auto; }
  .tri-grid .field.sc { font-size: clamp(1.5rem, 1rem + 1vw, 1.9rem); }
  .tri-grid .field.lat { font-size: clamp(1.1rem, .95rem + .35vw, 1.3rem); }
}

/* ---------- 字号滑块：--tri-z 由编辑器设定 ---------- */
#v-tri .field.sc { font-size: calc(clamp(1.5rem, 1.05rem + 1.9vw, 2.05rem) * var(--tri-z, 1)); }
#v-tri .field.sc.rn { font-size: calc(clamp(1.35rem, 1rem + 1.4vw, 1.8rem) * var(--tri-z, 1)); }
#v-tri .field.lat { font-size: calc(clamp(1.15rem, 1rem + .7vw, 1.4rem) * var(--tri-z, 1)); }
@media (min-width: 1000px) {
  #v-tri .tri-grid .field.sc { font-size: calc(clamp(1.5rem, 1rem + 1vw, 1.9rem) * var(--tri-z, 1)); }
  #v-tri .tri-grid .field.sc.rn { font-size: calc(clamp(1.3rem, .95rem + .8vw, 1.65rem) * var(--tri-z, 1)); }
  #v-tri .tri-grid .field.lat { font-size: calc(clamp(1.1rem, .95rem + .35vw, 1.3rem) * var(--tri-z, 1)); }
}