/* ==========================================================================
   file-encoding.css —— 在线文件编码识别与转码（页面级布局）
   --------------------------------------------------------------------------
   只负责本工具排版；颜色 / 圆角 / 间距 / 动效复用 ui-kit 令牌（--ui-*），
   随颜色模板与明暗模式自动换肤。
   ========================================================================== */

.fb-tool {
  --r: 14px;
  --gap: 14px;
  --fb-font: 12.5px;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  color: var(--ui-text);
}
.fb-tool [hidden] { display: none !important; }
.fb-tool > .ui-alert { align-items: flex-start; }
.fb-tool > .ui-alert .body .t { font-weight: 600; }

/* --------------------------------------------------------------------------
   1. 拖拽上传
   -------------------------------------------------------------------------- */
.fb-drop {
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  padding: 26px 20px; text-align: center;
  border: 2px dashed var(--ui-line); border-radius: var(--r);
  background: var(--ui-bg-sub); cursor: pointer; transition: var(--transition);
}
.fb-drop:hover { border-color: var(--ui-primary); background: var(--ui-primary-soft); }
.fb-drop.over { border-color: var(--ui-primary); background: var(--ui-primary-soft); transform: scale(1.005); }
.fb-drop .ico {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--ui-primary-soft); color: var(--ui-primary);
}
.fb-drop .ico .ui-i { width: 26px; height: 26px; }
.fb-drop .t1 { font-size: 15px; font-weight: 600; }
.fb-drop .t2 { font-size: 12px; color: var(--ui-text-mute); line-height: 1.9; }
.fb-drop .acts { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 2px; }
.fb-drop.compact { flex-direction: row; align-items: center; gap: 12px; padding: 12px 16px; text-align: left; border-style: solid; }
.fb-drop.compact .ico { width: 38px; height: 38px; flex-shrink: 0; }
.fb-drop.compact .ico .ui-i { width: 20px; height: 20px; }
.fb-drop.compact .t1 { font-size: 13px; }
.fb-drop.compact .t2 { display: none; }
.fb-drop.compact .acts { margin: 0 0 0 auto; }

/* --------------------------------------------------------------------------
   2. 通用面板与两栏
   -------------------------------------------------------------------------- */
.fb-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); gap: var(--gap); align-items: start; }
@media (max-width: 1200px) { .fb-grid { grid-template-columns: 1fr; } }

.fb-panel {
  border: 1px solid var(--ui-line-soft); border-radius: var(--r);
  background: var(--ui-bg); overflow: hidden;
}
.fb-panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ui-line-soft);
  background: var(--ui-bg-sub);
}
.fb-panel-title { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; min-width: 0; }
.fb-panel-title > .ui-i { color: var(--ui-primary); flex-shrink: 0; }
.fb-panel-body { padding: 16px; }
.fb-panel-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 11px 16px;
  border-top: 1px solid var(--ui-line-soft);
  background: var(--ui-bg-sub);
}

/* --------------------------------------------------------------------------
   3. 结论卡
   -------------------------------------------------------------------------- */
.fb-verdict {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 15px 16px;
  border: 1px solid var(--ui-line-soft); border-radius: 12px;
  background: var(--ui-bg-sub);
}
.fb-verdict.is-warn { border-color: var(--ui-warning); background: var(--ui-warning-soft); }
.fb-verdict.is-unknown { border-color: var(--ui-line); }
.fb-verdict .ico {
  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--ui-primary-soft); color: var(--ui-primary);
}
.fb-verdict.is-warn .ico { background: rgba(0, 0, 0, 0.075); color: var(--ui-warning-text); }
.fb-verdict .txt { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.fb-verdict .cap { font-size: 11.5px; color: var(--ui-text-mute); }
.fb-verdict .big {
  font: 700 22px / 1.25 var(--font-mono);
  letter-spacing: -.4px; word-break: break-all;
}
.fb-conf { margin-top: 12px; }

/* 字节构成 */
.fb-bar { display: flex; height: 12px; border-radius: 6px; overflow: hidden; background: var(--ui-bg-sunken); }
.fb-bar i { display: block; height: 100%; transition: width .3s var(--ui-ease); }
.fb-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 10px; font-size: 12px; color: var(--ui-text-mute); }
.fb-legend span { display: inline-flex; align-items: center; gap: 6px; }
.fb-legend i.d { width: 9px; height: 9px; border-radius: 3px; display: inline-block; flex-shrink: 0; }

/* --------------------------------------------------------------------------
   4. 解码核对
   -------------------------------------------------------------------------- */
.fb-code {
  max-height: 340px; overflow: auto; margin: 0; padding: 12px 14px;
  border: 1px solid var(--ui-line-soft); border-radius: 10px;
  background: var(--ui-bg-sub);
  font: var(--fb-font) / 1.75 var(--font-mono);
  white-space: pre-wrap; word-break: break-word; color: var(--ui-text);
}
.fb-code.none { color: var(--ui-text-mute); font-family: inherit; }
.fb-code u {
  text-decoration: none; border-radius: 3px; padding: 0 2px;
  background: var(--ui-danger-soft); color: var(--ui-danger); font-weight: 700;
}
.fb-code .ctrl { color: var(--ui-text-mute); }
.fb-hex {
  max-height: 340px; overflow: auto; margin: 0; padding: 12px 14px;
  border: 1px solid var(--ui-line-soft); border-radius: 10px;
  background: var(--ui-bg-sunken);
  font: 12px / 1.7 var(--font-mono);
  white-space: pre; color: var(--ui-text-sub);
}
.fb-hex b { color: var(--ui-primary); font-weight: 700; }

/* --------------------------------------------------------------------------
   5. 文件列表（批量）
   -------------------------------------------------------------------------- */
.fb-files { max-height: 336px; overflow: auto; padding: 6px; }
.fb-file {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: center;
  padding: 9px 10px; border: 1px solid transparent; border-radius: 10px;
  cursor: pointer; transition: var(--transition);
}
.fb-file + .fb-file { margin-top: 2px; }
.fb-file:hover { background: var(--ui-bg-sub); }
.fb-file.on { background: var(--ui-primary-soft); border-color: var(--ui-primary); }
.fb-file .nm { display: block; font-size: 12.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fb-file .mt { display: block; font-size: 11.5px; color: var(--ui-text-mute); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fb-file .rt { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.fb-file .rt button {
  padding: 4px; border: 0; border-radius: 7px; line-height: 0;
  background: none; color: var(--ui-text-mute); cursor: pointer; transition: var(--transition);
}
.fb-file .rt button:hover { background: var(--ui-bg-sunken); color: var(--ui-danger); }

/* --------------------------------------------------------------------------
   6. 编码清单
   -------------------------------------------------------------------------- */
.fb-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.fb-enc-name { font-weight: 600; }
.fb-enc-sub { display: block; margin-top: 3px; font-size: 11.5px; color: var(--ui-text-mute); }
.fb-cat-list { font-size: 12.5px; line-height: 2; color: var(--ui-text-sub); word-break: break-word; }
.fb-cat-list b { color: var(--ui-text); }

/* 底部 */
.fb-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px;
  border: 1px solid var(--ui-line-soft); border-radius: var(--r); background: var(--ui-bg-sub);
}
.fb-foot .sp { flex: 1; }
.fb-tool .ui-btn[disabled] { opacity: .52; cursor: not-allowed; pointer-events: none; }
.fb-tool .ui-desc dd { word-break: break-word; }