/* tools2 专属布局（视觉变量/卡片/深色主题全部继承自 common.css） */
.t2-section { margin: 22px 0 8px; }
.t2-section-title { font-size: 17px; margin: 0 0 12px; color: var(--text); }
.t2-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.t2-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 15px 16px; border-radius: 16px;
  background: var(--bg-elev); border: 1px solid var(--border, rgba(127,127,127,.18));
  color: var(--text); text-decoration: none;
  transition: transform .16s cubic-bezier(.16,1,.3,1), box-shadow .16s, border-color .16s;
}
.t2-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,.14); border-color: var(--accent); text-decoration: none; }
.t2-card-cat { font-size: 12px; color: var(--accent); font-weight: 600; }
.t2-card-name { font-size: 16px; font-weight: 700; }
.t2-card-desc { font-size: 12.5px; color: var(--text-soft); line-height: 1.5; }

/* 工具内通用表单区块（沿用 .panel 视觉语言，这里补工具专属间距） */
.t2-field { margin: 14px 0; }
.t2-field > label { display: block; font-size: 13px; color: var(--text-soft); margin-bottom: 6px; }
.t2-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.t2-row .btn { flex: 0 0 auto; }
.t2-out { margin-top: 14px; }
.t2-out textarea, .t2-out pre { width: 100%; }
.t2-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.t2-hint { font-size: 12.5px; color: var(--text-soft); margin: 8px 0; }
/* 运行错误 / 不支持：中国红；成功：绿 */
.t2-bad, .t2-hint.t2-bad { color: var(--error); }
.t2-ok, .t2-hint.t2-ok { color: var(--ok); }
.t2-big { font-size: 22px; font-weight: 700; }

/* ===== 第二批工具共享样式 ===== */
/* 图像工具：拖拽区 + 预览 + 滑块 */
.t2-drop {
  border: 2px dashed var(--border, rgba(127,127,127,.35));
  border-radius: 14px; padding: 22px; text-align: center;
  color: var(--text-soft); cursor: pointer; transition: border-color .15s, background .15s;
}
.t2-drop:hover, .t2-drop.over { border-color: var(--accent); background: var(--accent-soft); }
.t2-canvas-wrap { margin-top: 12px; overflow: auto; max-height: 420px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); padding: 8px; text-align: center; }
.t2-canvas-wrap canvas, .t2-canvas-wrap img { max-width: 100%; height: auto; border-radius: 8px; }
.t2-range-row { display: flex; align-items: center; gap: 12px; margin: 12px 0; }
.t2-range-row input[type=range] { flex: 1; accent-color: var(--accent); }
.t2-range-row .val { min-width: 54px; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.t2-img-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.t2-stat { display: inline-flex; gap: 6px; align-items: baseline; font-size: 13px; color: var(--text-soft); }
.t2-stat b { color: var(--text); font-size: 15px; }

/* 科学计算器按键网格 */
.t2-calc { max-width: 360px; }
.t2-calc-display {
  width: 100%; text-align: right; font-size: 22px; font-weight: 700; padding: 14px 12px;
  border-radius: 12px; margin-bottom: 10px; background: var(--bg-soft);
  border: 1px solid var(--border, rgba(127,127,127,.2)); color: var(--text); overflow-x: auto; white-space: nowrap;
}
.t2-calc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.t2-calc-grid button {
  padding: 13px 0; border-radius: 10px; border: 1px solid var(--border, rgba(127,127,127,.2));
  background: var(--bg-elev); color: var(--text); font-size: 15px; cursor: pointer; transition: background .12s, transform .08s;
}
.t2-calc-grid button:hover { background: var(--bg-hover); }
.t2-calc-grid button:active { transform: scale(.95); }
.t2-calc-grid button.op { color: var(--accent); font-weight: 700; }
.t2-calc-grid button.eq { background: var(--accent); color: #fff; border-color: transparent; }
.t2-calc-grid button.fn { font-size: 13px; }

/* 世界时钟 */
.t2-clock-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.t2-clock { padding: 14px 16px; border-radius: 14px; background: var(--bg-elev); border: 1px solid var(--border, rgba(127,127,127,.2)); }
.t2-clock .city { font-size: 13px; color: var(--text-soft); }
.t2-clock .time { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 4px; }
.t2-clock .date { font-size: 12.5px; color: var(--text-soft); margin-top: 2px; }

/* 阴影预览 */
.t2-shadow-box { height: 160px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: var(--bg-soft); margin: 12px 0; }
.t2-shadow-box .demo { width: 90px; height: 90px; border-radius: 14px; background: var(--accent); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; }

/* 颜色名 / 取色结果 */
.t2-color-line { display: flex; align-items: center; gap: 12px; margin: 10px 0; }
.t2-color-chip { width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--border, rgba(127,127,127,.3)); flex: 0 0 auto; }
.t2-copy-input { display: flex; gap: 8px; align-items: center; }
.t2-copy-input input { flex: 1; }

/* 打字测试 */
.t2-typing-src { line-height: 1.9; font-size: 16px; padding: 14px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); margin: 10px 0; }
.t2-typing-src .ok { color: #1a8a4a; }
.t2-typing-src .bad { color: #c0392b; background: rgba(192,57,43,.12); border-radius: 3px; }
.t2-typing-box { width: 100%; min-height: 90px; resize: vertical; }

/* 通用结果条 */
.t2-result { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); word-break: break-all; }
.t2-pill { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 12.5px; margin: 3px 4px 3px 0; }

/* ===== 第三批工具共享样式 ===== */
.t2-grid-imgs { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; margin-top: 10px; }
.t2-grid-imgs canvas, .t2-grid-imgs img { width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--border, rgba(127,127,127,.2)); }
.t2-pool { width: 100%; min-height: 90px; resize: vertical; }

/* 抽卡 */
.t2-gacha-res { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.t2-gacha-item { padding: 10px 14px; border-radius: 12px; background: var(--bg-elev); border: 1px solid var(--border, rgba(127,127,127,.2)); font-weight: 700; }
.t2-gacha-item .r { font-size: 11px; color: var(--text-soft); margin-left: 6px; }
.t2-stats { font-size: 13px; color: var(--text-soft); margin-top: 8px; }
.t2-stats b { color: var(--text); }

/* 对阵表 */
.t2-bracket { display: flex; gap: 26px; overflow: auto; margin-top: 12px; padding-bottom: 6px; }
.t2-round { display: flex; flex-direction: column; justify-content: space-around; gap: 12px; min-width: 160px; }
.t2-bracket .round-title { font-size: 12px; color: var(--accent); font-weight: 700; margin-bottom: 4px; }
.t2-match { background: var(--bg-elev); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 10px; padding: 8px 10px; font-size: 13px; }
.t2-match .seed { color: var(--text-soft); font-size: 11px; }
.t2-match .bye { color: var(--text-soft); font-style: italic; }

/* 节拍器 / 计时指示 */
.t2-beat { width: 88px; height: 88px; border-radius: 50%; background: var(--bg-elev); border: 2px solid var(--border, rgba(127,127,127,.3)); margin: 14px auto; transition: transform .06s ease, background .14s ease; display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--text); }
.t2-beat.on { background: var(--accent); color: #fff; transform: scale(1.14); }

/* WebSocket 日志 */
.t2-ws-log { height: 230px; overflow: auto; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 12px; padding: 10px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; margin-top: 10px; }
.t2-ws-log .line { padding: 3px 0; border-bottom: 1px dashed rgba(127,127,127,.12); white-space: pre-wrap; word-break: break-all; }
.t2-ws-log .sent { color: var(--accent); }
.t2-ws-log .recv { color: #1a8a4a; }
.t2-ws-log .sys { color: var(--text-soft); }
.t2-ws-log .err { color: #c0392b; }

/* 色卡 */
.t2-swatches { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.t2-swatch { display: flex; flex-direction: column; align-items: center; gap: 5px; font-size: 12px; }
.t2-swatch .chip { width: 50px; height: 50px; border-radius: 10px; border: 1px solid var(--border, rgba(127,127,127,.3)); }

/* 对比度网格 */
.t2-contrast-grid { display: grid; gap: 2px; margin-top: 12px; border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 10px; overflow: hidden; }
.t2-contrast-grid .cell { padding: 12px 8px; font-size: 12px; text-align: center; color: #fff; }
.t2-contrast-grid .cell.head { background: var(--bg-elev); color: var(--text); font-weight: 700; }
.t2-contrast-grid .cell.diag { background: repeating-linear-gradient(45deg, rgba(127,127,127,.18), rgba(127,127,127,.18) 6px, transparent 6px, transparent 12px); color: var(--text-soft); }

.t2-text-in { width: 100%; min-height: 90px; resize: vertical; }
.t2-num { width: 110px; }

/* ===== 第四批工具共享样式（文档 / PDF / 图像高级） ===== */
/* Markdown 预览 */
.t2-md-preview { padding: 14px 16px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); min-height: 300px; overflow: auto; line-height: 1.7; }
.t2-md-preview h1, .t2-md-preview h2, .t2-md-preview h3 { margin: 14px 0 8px; }
.t2-md-preview pre { background: var(--bg-elev); padding: 10px; border-radius: 8px; overflow: auto; }
.t2-md-preview code { background: var(--bg-elev); padding: 1px 5px; border-radius: 4px; font-family: ui-monospace, Menlo, Consolas, monospace; }
.t2-md-preview blockquote { border-left: 3px solid var(--accent); margin: 8px 0; padding: 4px 12px; color: var(--text-soft); }
/* Mermaid 输出 */
.t2-mermaid-out { margin-top: 12px; overflow: auto; text-align: center; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 12px; padding: 12px; }
.t2-mermaid-out svg { max-width: 100%; height: auto; }
/* 代码高亮输出 */
pre.t2-out { padding: 12px; background: var(--bg-elev); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 12px; overflow: auto; }
/* XML 树 */
.t2-xml-tree { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; line-height: 1.7; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 12px; padding: 10px 12px; max-height: 420px; overflow: auto; }
.t2-xml-tree ul { list-style: none; margin: 0; padding-left: 18px; }
.t2-xml-tree .xn { list-style: none; }
.t2-xml-tree .xt.foldable { cursor: pointer; color: var(--accent); }
.t2-xml-tree .xa { color: var(--text-soft); }
.t2-xml-tree .xtxt { color: var(--text); }
.t2-xml-tree .xcm { color: var(--text-soft); font-style: italic; }

/* ===== 第四批（续）工具共享样式 ===== */
/* Favicon 生成 */
.t2-color-in { display: flex; align-items: center; gap: 10px; margin: 8px 0; }
.t2-favicon-grid { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; align-items: flex-end; }
.t2-favicon-grid figure { margin: 0; text-align: center; font-size: 11px; color: var(--text-soft); }
.t2-favicon-grid canvas { border-radius: 14px; border: 1px solid var(--border, rgba(127,127,127,.25)); background: var(--bg-soft); }
/* 思维导图 */
.t2-mindmap { width: 100%; height: auto; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 12px; margin-top: 12px; }
.t2-mindmap text { fill: var(--text); font-size: 13px; }
.t2-mindmap .mm-node rect { fill: var(--bg-elev); stroke: var(--accent); stroke-width: 1.5; }
.t2-mindmap .mm-line { stroke: var(--accent); stroke-width: 1.5; fill: none; }
/* 简历预览 */
.t2-resume { background: #fff; color: #1a1a1a; max-width: 720px; margin: 12px auto; padding: 32px 36px; border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.12); line-height: 1.6; }
.t2-resume h1 { font-size: 24px; margin: 0 0 2px; }
.t2-resume .r-title { color: #555; margin-bottom: 10px; font-size: 14px; }
.t2-resume .r-contact { color: #666; font-size: 12.5px; word-break: break-all; }
.t2-resume h2 { font-size: 15px; border-bottom: 2px solid #2f6df0; padding-bottom: 3px; margin: 18px 0 8px; }
.t2-resume .r-item { margin-bottom: 10px; }
.t2-resume .r-item .ri-head { display: flex; justify-content: space-between; font-weight: 600; gap: 12px; }
.t2-resume .r-item .ri-sub { color: #666; font-size: 13px; }
.t2-resume ul { margin: 4px 0; padding-left: 18px; }
.t2-resume .r-skills span { display: inline-block; background: #eef2ff; color: #2f6df0; border-radius: 6px; padding: 2px 8px; margin: 2px 4px 2px 0; font-size: 12px; }
/* 音频 */
.t2-wave { width: 100%; height: 120px; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 10px; margin: 10px 0; }
.t2-eq-bands { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0; }
.t2-eq-band { display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 11px; color: var(--text-soft); }
.t2-eq-band input[type=range] { writing-mode: vertical-lr; direction: rtl; height: 96px; accent-color: var(--accent); }
/* ffmpeg / 通用进度与日志 */
.t2-progress { height: 10px; border-radius: 999px; background: var(--bg-soft); overflow: hidden; border: 1px solid var(--border, rgba(127,127,127,.2)); margin: 10px 0; }
.t2-progress > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
/* 音视频处理 · 统一时间轴 */
.t2-tl { margin: 12px 0; user-select: none; -webkit-user-select: none; }
.t2-tl-track { position: relative; height: 28px; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 999px; cursor: pointer; touch-action: none; }
.t2-tl-sel { position: absolute; top: 3px; bottom: 3px; background: var(--accent); opacity: .28; border-radius: 999px; }
.t2-tl-head { position: absolute; top: 2px; bottom: 2px; width: 2px; background: var(--text, #333); transform: translateX(-1px); pointer-events: none; }
.t2-tl-handle { position: absolute; top: -4px; width: 14px; height: 34px; margin-left: -7px; background: #fff; border: 2px solid var(--accent); border-radius: 6px; cursor: ew-resize; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.t2-tl-times { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-soft); margin-top: 6px; font-variant-numeric: tabular-nums; }
.segment button:disabled, .segment button.is-disabled { opacity: .4; cursor: not-allowed; }
/* 音频播放进度条（可拖拽定位） */
.t2-seekrow { display: flex; align-items: center; gap: 10px; margin: 12px 0 4px; }
.t2-seek { flex: 1; min-width: 120px; accent-color: var(--accent); cursor: pointer; }
.t2-seek:disabled { opacity: .5; cursor: not-allowed; }
.t2-time { font-variant-numeric: tabular-nums; color: var(--text-soft); font-size: 12.5px; min-width: 34px; text-align: center; }
.t2-log { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; background: var(--bg-soft); border: 1px solid var(--border, rgba(127,127,127,.2)); border-radius: 10px; padding: 8px 10px; max-height: 180px; overflow: auto; white-space: pre-wrap; word-break: break-all; }
/* 字幕 */
.t2-sub-out { width: 100%; min-height: 200px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }

@media (max-width: 600px) {
  .t2-grid { grid-template-columns: 1fr 1fr; }
  .t2-calc-grid { grid-template-columns: repeat(5, 1fr); }
  .t2-round { min-width: 130px; }
}