/*! 变调夹夹几品 · 乐谱工作台：五线谱米黄 + 靛蓝 + 品红，调式环与指板示意。深浅跟随导航。 */
.ckc-page {
    --ckc-bg: #faf6e9; --ckc-bg2: #f2ebd9; --ckc-card: #fffdf5; --ckc-card2: #f8f2e3;
    --ckc-line: #e2d7bd; --ckc-line2: #cdbf9e; --ckc-ink: #232c45; --ckc-ink2: #53607d;
    --ckc-ink3: #8b8fa0; --ckc-indigo: #2c4a91; --ckc-indigo-soft: rgba(44, 74, 145, .1);
    --ckc-pink: #bd3a72; --ckc-pink-soft: rgba(189, 58, 114, .11);
    --ckc-shadow: 0 18px 40px -28px rgba(35, 44, 69, .55);
    color: var(--ckc-ink); font-size: 15px; line-height: 1.82;
    background: repeating-linear-gradient(0deg, transparent 0 27px, rgba(44, 74, 145, .035) 27px 28px), linear-gradient(180deg, var(--ckc-bg), var(--ckc-bg2));
}
:root[data-theme="dark"] .ckc-page {
    --ckc-bg: #141822; --ckc-bg2: #0f131c; --ckc-card: #1c2230; --ckc-card2: #232b3c;
    --ckc-line: #323b50; --ckc-line2: #44506a; --ckc-ink: #eaeef8; --ckc-ink2: #b0bad2;
    --ckc-ink3: #7e89a4; --ckc-indigo: #8fb0ff; --ckc-indigo-soft: rgba(143, 176, 255, .13);
    --ckc-pink: #ff8fb8; --ckc-pink-soft: rgba(255, 143, 184, .14);
    --ckc-shadow: 0 18px 40px -26px rgba(0, 0, 0, .9);
    background: repeating-linear-gradient(0deg, transparent 0 27px, rgba(143, 176, 255, .035) 27px 28px), linear-gradient(180deg, var(--ckc-bg), var(--ckc-bg2));
}
.ckc-page *, .ckc-page *::before, .ckc-page *::after { box-sizing: border-box; }
.ckc-wrap { max-width: 1180px; margin: 0 auto; padding: 20px 16px 10px; }
.ckc-page h2 { margin: 0 0 12px; font-size: 19px; letter-spacing: .01em; }
.ckc-hint { font-size: 13px; color: var(--ckc-ink3); line-height: 1.75; }

.ckc-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 26px; align-items: center; padding: 30px; border: 2px solid var(--ckc-indigo); border-radius: 6px 30px 6px 30px; background: var(--ckc-card); box-shadow: var(--ckc-shadow); }
.ckc-kicker { display: inline-block; padding: 4px 12px; border-radius: 999px; font: 700 11.5px/1.5 ui-monospace, Consolas, monospace; letter-spacing: .08em; color: var(--ckc-pink); background: var(--ckc-pink-soft); }
.ckc-hero h1 { margin: 14px 0 10px; font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; line-height: 1.24; }
.ckc-sub { max-width: 43em; font-size: 15.5px; line-height: 1.95; color: var(--ckc-ink2); }
.ckc-sub b { color: var(--ckc-indigo); font-weight: 700; }
.ckc-facts { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.ckc-facts div { min-width: 100px; padding: 9px 16px; border: 1px solid var(--ckc-line); border-radius: 10px; background: var(--ckc-card2); }
.ckc-facts b { display: block; font: 800 23px/1.3 ui-monospace, Consolas, monospace; color: var(--ckc-indigo); }
.ckc-facts span { font-size: 12px; color: var(--ckc-ink3); }
.ckc-wheel-box { display: grid; justify-items: center; gap: 12px; }
.ckc-wheel { position: relative; width: 224px; height: 224px; border-radius: 50%; border: 1.5px solid var(--ckc-line2); background: radial-gradient(circle, var(--ckc-card) 0 33%, transparent 34%), var(--ckc-card2); }
.ckc-wheel-key { position: absolute; width: 34px; height: 34px; margin: -17px 0 0 -17px; border-radius: 50%; border: 1px solid var(--ckc-line2); background: var(--ckc-card); color: var(--ckc-ink2); font: 700 12px/34px ui-monospace, Consolas, monospace; text-align: center; cursor: pointer; }
.ckc-wheel-key.is-from { background: var(--ckc-indigo); color: #fff; border-color: var(--ckc-indigo); }
.ckc-wheel-key.is-to { background: var(--ckc-pink); color: #fff; border-color: var(--ckc-pink); }
.ckc-wheel-center { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 76px; text-align: center; font: 800 13px/1.5 ui-monospace, Consolas, monospace; color: var(--ckc-indigo); }
.ckc-wheel-center small { display: block; font: 600 10px/1.4 inherit; color: var(--ckc-ink3); }
.ckc-wheel-note { font-size: 12px; color: var(--ckc-ink3); text-align: center; max-width: 26em; }

.ckc-quick { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 18px 0 20px; padding: 14px 18px; border: 1.5px solid var(--ckc-line2); border-radius: 12px; background: var(--ckc-card); }
.ckc-quick label { font-size: 12.5px; font-weight: 700; color: var(--ckc-ink3); }
.ckc-select, .ckc-input, .ckc-textarea { font: inherit; color: var(--ckc-ink); background: var(--ckc-card2); border: 1.5px solid var(--ckc-line2); border-radius: 9px; padding: 8px 11px; outline: none; }
.ckc-select:focus, .ckc-input:focus, .ckc-textarea:focus { border-color: var(--ckc-indigo); }
.ckc-textarea { width: 100%; resize: vertical; font: 13.5px/1.8 ui-monospace, Consolas, monospace; }
.ckc-btn { font: 700 14px/1.4 inherit; padding: 9px 16px; border: 1.5px solid var(--ckc-line2); border-radius: 9px; color: var(--ckc-ink); background: var(--ckc-card); cursor: pointer; transition: .15s ease; }
.ckc-btn:hover { transform: translateY(-1px); border-color: var(--ckc-indigo); }
.ckc-btn--main { color: #fff; background: var(--ckc-indigo); border-color: var(--ckc-indigo); }
:root[data-theme="dark"] .ckc-btn--main { color: #141822; }
.ckc-btn-ai { color: #fff; background: var(--ckc-pink); border-color: var(--ckc-pink); }
:root[data-theme="dark"] .ckc-btn-ai { color: #141822; }
.ckc-btn:disabled { opacity: .6; cursor: wait; }
.ckc-chip { font: 600 13px/1.4 inherit; padding: 7px 12px; border: 1px dashed var(--ckc-line2); border-radius: 999px; color: var(--ckc-ink2); background: transparent; cursor: pointer; }
.ckc-chip:hover { background: var(--ckc-indigo-soft); }

.ckc-body { display: grid; grid-template-columns: 258px minmax(0, 1fr); gap: 20px; align-items: start; }
.ckc-body > * { min-width: 0; }
.ckc-side, .ckc-main > section { background: var(--ckc-card); border: 1.5px solid var(--ckc-line); border-radius: 12px; padding: 20px; }
.ckc-side { position: sticky; top: 16px; }
.ckc-side .ckc-textarea { margin: 12px 0; }
.ckc-field { margin: 12px 0 16px; }
.ckc-field label { display: block; font-size: 12.5px; color: var(--ckc-ink3); margin-bottom: 6px; }
.ckc-field .ckc-input { width: 100%; }
.ckc-actions { display: grid; gap: 8px; }
.ckc-err { margin-top: 10px; padding: 8px 10px; border-radius: 7px; background: var(--ckc-pink-soft); color: var(--ckc-pink); font-size: 13px; }
.ckc-main { display: grid; gap: 18px; }
.ckc-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.ckc-kpi { padding: 12px 14px; border: 1px solid var(--ckc-line); border-radius: 10px; background: var(--ckc-card2); }
.ckc-kpi.hot { border-color: var(--ckc-pink); background: var(--ckc-pink-soft); }
.ckc-kpi span { display: block; font-size: 12px; color: var(--ckc-ink3); }
.ckc-kpi b { display: block; font: 800 22px/1.4 ui-monospace, Consolas, monospace; color: var(--ckc-indigo); }
.ckc-kpi em { font-size: 11.5px; color: var(--ckc-ink3); font-style: normal; }
.ckc-fretboard { padding: 12px; border: 1px dashed var(--ckc-line2); border-radius: 10px; background: var(--ckc-card2); }
.ckc-fretboard-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--ckc-ink3); margin-bottom: 6px; }
.ckc-fretboard-head b { color: var(--ckc-ink); }
.ckc-fretboard svg { display: block; width: 100%; height: auto; }
.ckc-advice { margin-top: 14px; padding: 12px 14px; border-left: 4px solid var(--ckc-indigo); background: var(--ckc-card2); border-radius: 0 8px 8px 0; font-size: 14px; line-height: 1.9; color: var(--ckc-ink2); }
.ckc-ai { border-color: var(--ckc-pink) !important; }
.ckc-ai-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.ckc-ai-head span { font-size: 12px; color: var(--ckc-ink3); }
.ckc-ai-status { font-size: 12.5px; color: var(--ckc-ink3); margin-top: 10px !important; }
.ckc-ai-box:not(:empty) { margin-top: 12px; padding: 12px 14px; border-radius: 9px; background: var(--ckc-card2); border: 1px solid var(--ckc-line); font-size: 14px; line-height: 1.9; color: var(--ckc-ink2); }
.ckc-ai-box p + p { margin-top: 8px; }
.ckc-scroll { overflow-x: auto; }
.ckc-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.ckc-table th, .ckc-table td { padding: 9px 10px; border-bottom: 1px solid var(--ckc-line); text-align: left; }
.ckc-table th { font-size: 12px; color: var(--ckc-ink3); background: var(--ckc-card2); }
.ckc-table td b { font: 700 14px ui-monospace, Consolas, monospace; color: var(--ckc-indigo); }
.ckc-tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--ckc-indigo-soft); color: var(--ckc-indigo); }
.ckc-tag.bad { background: var(--ckc-pink-soft); color: var(--ckc-pink); }
.ckc-notes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 14px; }
.ckc-notes div { padding: 10px; border: 1px solid var(--ckc-line); border-radius: 9px; background: var(--ckc-card2); }
.ckc-notes b { display: block; font-size: 13px; }
.ckc-notes span { font-size: 12px; color: var(--ckc-ink3); }
.ckc-batch .ckc-textarea { margin: 8px 0 12px; }
.ckc-batch-actions { display: flex; gap: 8px; margin-bottom: 12px; }

.ckc-modal { position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(15, 19, 28, .6); }
.ckc-modal[hidden] { display: none !important; }
.ckc-sheet { width: min(470px, 100%); padding: 26px; border-radius: 14px; background: var(--ckc-card); border: 1.5px solid var(--ckc-line2); box-shadow: var(--ckc-shadow); }
.ckc-sheet h3 { margin: 0 0 8px; font-size: 19px; }
.ckc-sheet p { font-size: 14px; color: var(--ckc-ink2); line-height: 1.8; }
.ckc-sheet code { display: block; margin: 14px 0; padding: 10px; border-radius: 8px; background: var(--ckc-card2); font-size: 12px; word-break: break-all; }
.ckc-sheet-actions { display: flex; justify-content: flex-end; }
.ckc-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 95; padding: 9px 18px; border-radius: 999px; background: var(--ckc-indigo); color: var(--ckc-card); font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .25s; }
.ckc-toast.is-on { opacity: 1; }

@media (max-width: 960px) {
    .ckc-hero { grid-template-columns: 1fr; padding: 24px; }
    .ckc-body { grid-template-columns: 1fr; }
    .ckc-side { position: static; }
    .ckc-notes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .ckc-wrap { padding: 14px 10px 6px; }
    .ckc-hero { padding: 20px 16px; }
    .ckc-quick { padding: 12px; }
    .ckc-kpis { grid-template-columns: 1fr; }
    .ckc-notes { grid-template-columns: 1fr; }
    .ckc-main > section, .ckc-side { padding: 15px; }
    .ckc-table { min-width: 0; font-size: 12px; }
    .ckc-table th, .ckc-table td { padding: 7px 6px; }
    .ckc-wheel { width: 190px; height: 190px; }
}


/* 页面级修复：公共推荐卡在 390 窄屏固定宽导致横向溢出（只作用于本页，不改动线上其它页面） */
@media(max-width:640px){
  .tool-rec{width:calc(100vw - 24px)!important;max-width:calc(100vw - 24px)!important;box-sizing:border-box}
  .tool-rec-grid{grid-template-columns:minmax(0,1fr)!important}
  .tool-rec-item{min-width:0!important;width:100%!important;box-sizing:border-box}
  .tool-rec-body,.tool-rec-body b,.tool-rec-body small{min-width:0;max-width:100%;overflow-wrap:anywhere}
  .tskb-card{overflow-x:auto}
  .tskb-legend{min-width:0;width:100%;table-layout:fixed}
  .tskb-legend th,.tskb-legend td{overflow-wrap:anywhere;word-break:break-word;white-space:normal}
  .tskb-tabs{flex-wrap:wrap}
}