/* ============================================================
   键盘指法查询（Keyboard Fingering）· 样式
   全部作用域限定在 #pd 内 —— 可直接内联进任意页面而不污染宿主样式。
   颜色优先继承宿主页面的设计变量（--bg-elevated / --text / --blue …），
   独立打开时回退到内置取值，并跟随 html[data-theme="dark"]。
   ============================================================ */

#pd {
    --pd-panel: var(--bg-elevated, #ffffff);
    --pd-border: var(--border-strong, rgba(0, 0, 0, 0.14));
    --pd-text: var(--text, #1d1d1f);
    --pd-label: var(--text-2, #6e6e73);
    --pd-field-bg: var(--bg, #ffffff);
    --pd-field-border: var(--border-strong, rgba(0, 0, 0, 0.18));
    --pd-accent: var(--blue, #0071e3);
    --pd-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, .05), 0 8px 24px rgba(0, 0, 0, .05));

    font-family: var(--font, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif);
    color: var(--pd-text);
    font-size: 15px;
    line-height: 1.5;
}

html[data-theme="dark"] #pd {
    --pd-panel: var(--bg-elevated, #161618);
    --pd-border: var(--border-strong, rgba(255, 255, 255, 0.16));
    --pd-text: var(--text, #f5f5f7);
    --pd-label: var(--text-2, #9a9aa4);
    --pd-field-bg: var(--bg, #111114);
    --pd-field-border: var(--border-strong, rgba(255, 255, 255, 0.2));
    --pd-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, .5), 0 8px 24px rgba(0, 0, 0, .4));
}

#pd *,
#pd *::before,
#pd *::after { box-sizing: border-box; }

/* ---------- 控制条 ---------- */
#pd .pd-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 14px;
    background: var(--pd-panel);
    border: 1px solid var(--pd-border);
    border-radius: var(--radius-sm, 12px);
    padding: 12px 14px;
    margin-bottom: 16px;
    font-size: 14px;
    box-shadow: var(--pd-shadow);
    position: sticky;
    top: calc(var(--header-h, 52px) + 10px);
    z-index: 6;
}

#pd .pd-bar label { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
#pd .pd-bar span { font-size: 12.5px; color: var(--pd-label); white-space: nowrap; }

#pd .pd-bar select {
    font: inherit;
    font-size: 14px;
    height: 34px;
    padding: 0 10px;
    border: 1px solid var(--pd-field-border);
    border-radius: 8px;
    background: var(--pd-field-bg);
    color: inherit;
    max-width: 320px;
}

#pd .pd-bar select:focus-visible {
    outline: 2px solid var(--pd-accent);
    outline-offset: 1px;
}

#pd .pd-toggle {
    font: inherit;
    font-size: 12.5px;
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--pd-field-border);
    border-radius: 8px;
    background: var(--pd-field-bg);
    color: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color .18s var(--ease-out, ease), background .18s var(--ease-out, ease);
}

#pd .pd-toggle:hover { border-color: var(--pd-accent); }
#pd .pd-toggle.active { color: #fff; background: var(--pd-accent); border-color: var(--pd-accent); }

#pd .pd-export {
    margin-left: auto;
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    height: 34px;
    padding: 0 16px;
    color: #fff;
    background: var(--pd-accent);
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    transition: transform .18s var(--ease-out, ease), filter .18s var(--ease-out, ease);
}

#pd .pd-export:hover:not(:disabled) { filter: brightness(1.08); }
#pd .pd-export:active:not(:disabled) { transform: scale(.97); }
#pd .pd-export:disabled { opacity: .6; cursor: wait; }

/* ---------- 图纸区 ---------- */
#pd .pd-sheet {
    background: var(--pd-panel);
    border: 1px solid var(--pd-border);
    border-radius: var(--radius-sm, 12px);
    padding: 10px 6px;
    box-shadow: var(--pd-shadow);
}

/* 图内文字用 currentColor 绘制：屏幕上跟随明暗主题，导出 PNG 时按白底黑字渲染 */
#pd .pd-sheet svg {
    display: block;
    width: 100%;
    height: auto;
    color: var(--pd-text);
}

#pd .pd-sheet .pp-play { cursor: pointer; }
#pd .pd-sheet .pp-play:hover circle { stroke: var(--pd-accent); }
#pd .pd-sheet .pp-play.playing circle { fill: var(--pd-accent); stroke: var(--pd-accent); }
#pd .pd-sheet .pp-play.playing path { fill: #fff; }
#pd .pd-sheet [data-freq] { cursor: pointer; }
#pd .pd-sheet .pp-inv-btn { cursor: pointer; }
#pd .pd-sheet .pp-inv-btn:hover rect { stroke: var(--pd-accent); stroke-width: 2; }
#pd .pd-sheet .pp-root-tag { cursor: pointer; }
#pd .pd-sheet .pp-root-tag:hover rect { stroke: var(--pd-accent); }
#pd .pd-sheet circle.pp-hot { stroke: #ffbe2e; stroke-width: 4; }
#pd .pd-sheet .pp-notes { transition: opacity .12s ease; }

/* ---------- 自定义音集：可点选的琴键 / 音块 ---------- */
#pd .pd-sheet.is-custom .pp-key,
#pd .pd-sheet.is-custom .pp-dot-key,
#pd .pd-sheet.is-custom .pp-cust-chip,
#pd .pd-sheet.is-custom .pp-cust-del,
#pd .pd-sheet.is-custom .pp-cust-clear { cursor: pointer; }
#pd .pd-sheet.is-custom .pp-key:hover { filter: brightness(.93); }
#pd .pd-sheet .pp-cust-chip:hover rect { stroke: var(--pd-accent); stroke-width: 2; }
#pd .pd-sheet .pp-cust-del:hover circle { fill: #ffd9d6; }
#pd .pd-sheet .pp-cust-clear:hover rect { stroke: var(--pd-accent); stroke-dasharray: none; }

/* ---------- 自定义音集：识别结果 / 保存 / 分享面板 ---------- */
#pd .pd-match {
    margin: 2px 6px 4px;
    padding: 14px 14px 10px;
    border-top: 1px dashed var(--pd-border);
}
#pd .pd-mrow { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 8px; margin: 0 0 9px; }
#pd .pd-mlabel { flex: 0 0 132px; font-size: 13px; font-weight: 700; color: var(--pd-text); }
#pd .pd-tag {
    display: inline-flex; align-items: baseline; gap: 5px;
    padding: 3px 11px; border-radius: 999px;
    font-size: 13.5px; font-weight: 600;
    background: var(--pd-field-bg); border: 1px solid var(--pd-field-border); color: var(--pd-text);
}
#pd .pd-tag i { font-style: normal; font-size: 11.5px; font-weight: 500; color: var(--pd-label); }
#pd .pd-tag-hot { background: rgba(232, 40, 30, .07); border-color: rgba(232, 40, 30, .42); color: #c11e15; }
#pd .pd-tag-hot i { color: #c11e15; }
html[data-theme="dark"] #pd .pd-tag-hot { background: rgba(232, 40, 30, .18); border-color: rgba(255, 138, 128, .42); color: #ff8a80; }
html[data-theme="dark"] #pd .pd-tag-hot i { color: #ffb3ad; }
#pd .pd-none { font-size: 12.5px; color: var(--pd-label); }
#pd .pd-hint { font-size: 13px; color: var(--pd-label); line-height: 1.75; margin: 0 0 7px; }
#pd .pd-hint b { color: var(--pd-text); }

/* ---------- 根音切换行（一点即换，不用去够音块） ---------- */
#pd .pd-rootrow { align-items: center; }
#pd .pd-rootbtn {
    font: inherit; font-size: 13.5px; font-weight: 600;
    min-width: 38px; height: 30px; padding: 0 11px;
    cursor: pointer; border-radius: 999px;
    background: var(--pd-field-bg); color: var(--pd-text);
    border: 1px solid var(--pd-field-border);
    transition: border-color .16s var(--ease-out, ease), background .16s var(--ease-out, ease);
}
#pd .pd-rootbtn:hover { border-color: var(--pd-accent); }
#pd .pd-rootbtn.on { background: #E8281E; border-color: #E8281E; color: #fff; }
#pd .pd-rootbtn.on:hover { border-color: #a31208; }
#pd .pd-roothint { font-size: 12px; color: var(--pd-label); }

/* ---------- 工具条上的清空（仅自定义模式显示） ---------- */
#pd .pd-clearbtn:hover { border-color: #e8281e; color: #e8281e; }
#pd .pd-clearbtn[hidden] { display: none; }
#pd .pd-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 14px 0 10px; }
#pd .pd-name {
    font: inherit; font-size: 13px; height: 32px; padding: 0 10px;
    flex: 1 1 190px; min-width: 170px; max-width: 320px;
    border: 1px solid var(--pd-field-border); border-radius: 8px;
    background: var(--pd-field-bg); color: inherit;
}
#pd .pd-name:focus-visible { outline: 2px solid var(--pd-accent); outline-offset: 1px; }
#pd .pd-btn {
    font: inherit; font-size: 13px; font-weight: 500; height: 32px; padding: 0 14px;
    cursor: pointer; white-space: nowrap;
    border: 1px solid var(--pd-field-border); border-radius: 8px;
    background: var(--pd-field-bg); color: inherit;
    transition: border-color .18s var(--ease-out, ease), color .18s var(--ease-out, ease);
}
#pd .pd-btn:hover { border-color: var(--pd-accent); color: var(--pd-accent); }
#pd .pd-save { background: var(--pd-accent); border-color: var(--pd-accent); color: #fff; }
#pd .pd-save:hover { color: #fff; filter: brightness(1.08); }
#pd .pd-presets { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12.5px; color: var(--pd-label); }
#pd .pd-preset {
    display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
    padding: 3px 7px 3px 11px; border-radius: 999px; font-size: 12.5px;
    background: var(--pd-field-bg); border: 1px solid var(--pd-field-border); color: var(--pd-text);
}
#pd .pd-preset:hover { border-color: var(--pd-accent); }
#pd .pd-preset-x { font-style: normal; font-size: 13px; line-height: 1; padding: 0 2px; color: var(--pd-label); }
#pd .pd-preset-x:hover { color: #e8281e; }
#pd .pd-toast { min-height: 19px; margin-top: 1px; font-size: 12.5px; font-weight: 600; color: #12924a; opacity: 0; transition: opacity .18s ease; }
#pd .pd-toast.on { opacity: 1; }
html[data-theme="dark"] #pd .pd-toast { color: #4ade80; }

/* ---------- 说明区（内联版放在图纸下方，由布局模板写） ---------- */
.pd-note { font-size: 13px; color: var(--text-2, #6e6e73); margin: 18px 4px 0; line-height: 1.8; }
.pd-note strong { color: var(--text, #1d1d1f); }
html[data-theme="dark"] .pd-note strong { color: var(--text, #f5f5f7); }

.pd-kbd {
    display: inline-block;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 11px;
    padding: 1px 5px;
    border: 1px solid var(--border-strong, rgba(0, 0, 0, .2));
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--bg-elevated, #fff);
    color: var(--text, #1d1d1f);
}

/* ============================================================
   文章嵌入（.pd-embed）—— Hugo 短代码 {{< pd >}} 输出
   画的是「这组音所在的三个八度」而不是整台 88 键：
   整台键盘压进文章宽度后，圆点里的字会小到看不清。
   ============================================================ */
.pd-embed {
    max-width: 860px;
    margin: 22px auto;
    font-family: var(--font, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif);
    color: var(--text, #1d1d1f);
}
.pd-embed .pd-cap {
    font-size: 12.5px;
    color: var(--text-2, #6e6e73);
    text-align: center;
    margin-bottom: 3px;
}
.pd-embed svg { display: block; width: 100%; height: auto; color: var(--text, #1d1d1f); }

@media (max-width: 640px) {
    #pd .pd-bar {
        padding: 10px 12px;
        gap: 8px 12px;
        top: calc(var(--header-h, 52px) + 6px);
    }
    #pd .pd-bar label { flex: 1 1 100%; }
    #pd .pd-bar select { flex: 1 1 auto; max-width: none; }
    #pd .pd-export { margin-left: 0; width: 100%; }
    #pd .pd-sheet { padding: 8px 3px; }
}