/* ✦ Designed & Built by YuEn © 2025–2026 ✦ */
/* musictool.css — 音乐工具箱 */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Noto+Serif+SC:wght@400;600;700&display=swap');

/* 隐藏 Halo 页面的导航栏、侧边栏、页脚 */
#header-menu,aside,footer,.mt-10{display:none!important;}
/* 强制隐藏所有可能的侧边栏 — 无论是否全屏 */
aside,
[class*="sidebar"],
[class*="side-bar"],
[id*="sidebar"],
[id*="side-bar"],
#header-menu,
footer,
.mt-10 {
  display:none!important;
  width:0!important;
  min-width:0!important;
  max-width:0!important;
  overflow:hidden!important;
  visibility:hidden!important;
  pointer-events:none!important;
}
section.mx-auto{grid-template-columns:1fr!important;max-width:100%!important;padding:0!important;margin:0!important;gap:0!important;}
/* 让主内容区占满全部宽度 */
main,
[class*="main-content"],
[class*="post-content"],
.page-content,
article {
  width:100%!important;
  max-width:100%!important;
}
body{overflow:hidden!important;}

#music-toolbox{
  --bg:#0c0e14;--surf:#13151e;--surf2:#1a1d28;--surf3:#22263a;
  --border:rgba(255,255,255,0.07);--border2:rgba(255,255,255,0.14);
  --ink:rgba(255,255,255,0.88);--ink2:rgba(255,255,255,0.50);--ink3:rgba(255,255,255,0.22);
  --gold:#d4a847;--gold2:#f0c96a;--accent:#6c8eff;--green:#5ce8a0;--red:#f07878;
  --wm:rgba(255,255,255,0.12);
  --tut-card:#18191f;--tut-border:rgba(255,255,255,0.12);
  --tut-dim:rgba(255,255,255,0.35);--tut-text:rgba(255,255,255,0.9);--tut-text2:rgba(255,255,255,0.5);
  --tut-item-bg:rgba(255,255,255,0.04);--tut-item-border:rgba(255,255,255,0.07);--tut-item-text:rgba(255,255,255,0.75);
  --tut-dot-bg:rgba(255,255,255,0.18);--tut-next-bg:rgba(255,255,255,0.9);--tut-next-text:#111;--tut-next-hover:#fff;
  --ts-bg:#1a2a3a;--ts-text:#7dd3fc;--ts-border:#3b82f6;
  color-scheme:dark;
  font-family:'Noto Serif SC',serif;
  position:fixed;inset:0;z-index:9999;
  background:var(--bg);color:var(--ink);
  display:flex;flex-direction:column;
}

@media (prefers-color-scheme: light){
  #music-toolbox{
    --bg:#f4f7fc;--surf:#ffffff;--surf2:#f1f4fa;--surf3:#e8edf7;
    --border:rgba(18,30,53,0.10);--border2:rgba(18,30,53,0.18);
    --ink:rgba(18,23,36,0.92);--ink2:rgba(18,23,36,0.62);--ink3:rgba(18,23,36,0.38);
    --gold:#ad7e1a;--gold2:#d19b2e;--accent:#4a6cff;--green:#1f9f6c;--red:#d95f5f;
    --wm:rgba(18,23,36,0.2);
    --tut-card:#ffffff;--tut-border:rgba(18,30,53,0.14);
    --tut-dim:rgba(18,23,36,0.48);--tut-text:rgba(18,23,36,0.95);--tut-text2:rgba(18,23,36,0.66);
    --tut-item-bg:rgba(74,108,255,0.06);--tut-item-border:rgba(74,108,255,0.18);--tut-item-text:rgba(18,23,36,0.78);
    --tut-dot-bg:rgba(18,23,36,0.18);--tut-next-bg:#111827;--tut-next-text:#fff;--tut-next-hover:#0f172a;
    --ts-bg:#edf4ff;--ts-text:#1e3a8a;--ts-border:#3b82f6;
    color-scheme:light;
  }
  .mt-hub{background:radial-gradient(ellipse 120% 80% at 50% -5%,rgba(74,108,255,.12) 0%,transparent 65%);}
  .mt-tool-card:hover{box-shadow:0 18px 40px rgba(15,23,42,.16);}
  .mt-modal-overlay{background:rgba(15,23,42,.44);}
  .mt-tut-overlay{background:rgba(15,23,42,.45);}
}

/* ══ HUB ══ */
.mt-hub{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:32px 20px;overflow-y:auto;
  background:radial-gradient(ellipse 120% 80% at 50% -5%,rgba(108,142,255,.10) 0%,transparent 65%);
}
.mt-hub-title{text-align:center;margin-bottom:48px;}
.mt-hub-title h1{
  font-size:clamp(26px,5vw,40px);font-weight:700;letter-spacing:8px;
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold2) 55%,#fffde8 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.mt-hub-title p{font-size:11px;color:var(--ink3);letter-spacing:4px;margin-top:8px;font-family:'Space Mono',monospace;}
.mt-tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;width:100%;max-width:560px;}
.mt-tool-card{
  background:var(--surf);border:1px solid var(--border);border-radius:14px;padding:34px 24px;
  cursor:pointer;transition:all .22s;display:flex;flex-direction:column;align-items:center;
  text-align:center;position:relative;overflow:hidden;
}
.mt-tool-card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity .22s;border-radius:14px;}
.mt-tool-card.c1::before{background:radial-gradient(ellipse at 50% 0%,rgba(108,142,255,.15),transparent 70%);}
.mt-tool-card.c2::before{background:radial-gradient(ellipse at 50% 0%,rgba(92,232,160,.15),transparent 70%);}
.mt-tool-card:hover{border-color:var(--border2);transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.5);}
.mt-tool-card:hover::before{opacity:1;}
.mt-tool-icon{font-size:40px;margin-bottom:16px;line-height:1;position:relative;}
.mt-tool-name{font-size:17px;font-weight:700;letter-spacing:1px;margin-bottom:8px;position:relative;}
.mt-tool-desc{font-size:11px;color:var(--ink2);line-height:1.9;position:relative;font-family:'Space Mono',monospace;}
.mt-tool-arrow{margin-top:20px;font-size:11px;color:var(--ink3);font-family:'Space Mono',monospace;letter-spacing:2px;transition:color .18s;position:relative;}
.mt-tool-card:hover .mt-tool-arrow{color:var(--gold2);}

/* ══ TOOLVIEW ══ */
.mt-toolview{display:none;flex:1;flex-direction:column;overflow:hidden;}
.mt-toolview.on{display:flex;}
.mt-topbar{flex-shrink:0;height:46px;display:flex;align-items:center;gap:10px;padding:0 14px;background:var(--surf);border-bottom:1px solid var(--border2);}
.mt-back{background:none;border:1px solid var(--border2);border-radius:6px;color:var(--ink2);font-family:'Space Mono',monospace;font-size:11px;padding:5px 12px;cursor:pointer;transition:all .15s;letter-spacing:1px;}
.mt-back:hover{border-color:var(--gold);color:var(--gold2);}
.mt-nav-label{font-size:11px;color:var(--ink3);font-family:'Space Mono',monospace;letter-spacing:2px;}
.mt-nav-name{font-size:13px;font-weight:600;color:var(--gold2);}
.mt-body{flex:1;overflow:hidden;display:flex;flex-direction:column;}
.mt-panel{display:none;flex:1;overflow:hidden;}
.mt-panel.on{display:flex;flex-direction:column;}
.mt-panel-jf.on{display:flex;}
.mt-panel-jf iframe{flex:1;border:none;width:100%;height:100%;}

/* ══ LRC 顶栏 ══ */
.mt-lrc-top{flex-shrink:0;background:var(--surf);border-bottom:1px solid var(--border2);}
.mt-lrc-progbar{height:4px;background:var(--surf3);cursor:pointer;position:relative;}
.mt-lrc-progfill{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));width:0%;transition:width .1s linear;pointer-events:none;}
.mt-lrc-controls{display:flex;align-items:center;gap:16px;padding:10px 20px;}
.mt-lrc-time{font-family:'Space Mono',monospace;font-size:13px;color:var(--ink2);min-width:88px;flex-shrink:0;}
.mt-play-btn{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--border2);background:var(--surf2);color:var(--ink);cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0;}
.mt-play-btn:hover{border-color:var(--gold);color:var(--gold2);}
.mt-vol-wrap{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0;}
.mt-vol-label{font-size:11px;color:var(--ink3);font-family:'Space Mono',monospace;letter-spacing:1px;}
.mt-vol-range{width:120px;height:4px;accent-color:var(--gold2);cursor:pointer;}

/* ══ LRC 身体 ══ */
.mt-lrc-body{flex:1;display:flex;overflow:hidden;min-height:0;}
.mt-lrc-left{width:130px;flex-shrink:0;border-right:1px solid var(--border);padding:16px 10px;display:flex;flex-direction:column;gap:7px;overflow-y:auto;}
.mt-side-btn{display:flex;align-items:center;gap:7px;padding:8px 10px;border-radius:7px;border:1px solid var(--border2);background:transparent;color:var(--green);font-family:'Space Mono',monospace;font-size:10px;cursor:pointer;transition:all .15s;text-align:left;width:100%;}
.mt-side-btn:hover{background:rgba(92,232,160,.07);border-color:var(--green);}
.mt-lrc-center{flex:1;overflow-y:auto;padding:12px 0;}
.mt-lrc-center::-webkit-scrollbar{width:4px;}
.mt-lrc-center::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px;}
.mt-info-row{display:flex;align-items:center;gap:10px;padding:4px 24px 14px;}
.mt-info-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex-shrink:0;}
.mt-info-btn{padding:4px 14px;border-radius:5px;border:1px solid var(--border2);background:transparent;color:var(--ink2);font-family:'Space Mono',monospace;font-size:10px;cursor:pointer;transition:all .15s;}
.mt-info-btn:hover{border-color:var(--accent);color:var(--accent);}
.mt-ly-row{display:flex;align-items:center;padding:8px 24px;position:relative;transition:background .1s;user-select:none;}
.mt-ly-row:hover{background:var(--surf2);}
.mt-ly-row.playing{background:rgba(240,201,106,.06);}
.mt-ly-time{font-family:'Space Mono',monospace;font-size:12px;color:var(--ink2);min-width:82px;flex-shrink:0;cursor:pointer;}
.mt-ly-time:hover{color:var(--gold);}
.mt-ly-time.unstamped{color:var(--ink3);}
.mt-ly-stamp{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--border2);background:transparent;color:var(--ink3);cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center;font-size:8px;flex-shrink:0;margin-right:12px;}
.mt-ly-stamp:hover{border-color:var(--gold);color:var(--gold2);background:rgba(240,201,106,.1);}
.mt-ly-inp{flex:1;font-size:15px;font-family:'Noto Serif SC',serif;color:var(--ink);border:none;background:transparent;outline:none;padding:0;line-height:1.5;min-width:0;user-select:text;}
.mt-ly-inp:focus{color:var(--gold2);}
.mt-ly-row.playing .mt-ly-inp{color:var(--gold2);}
.mt-ly-actions{display:none;align-items:center;gap:3px;position:absolute;right:20px;top:50%;transform:translateY(-50%);background:var(--surf);padding:3px 4px;border-radius:6px;border:1px solid var(--border2);z-index:10;}
.mt-ly-row:hover .mt-ly-actions{display:flex;}
.mt-ly-act{padding:3px 8px;border-radius:4px;border:none;font-family:'Space Mono',monospace;font-size:9px;cursor:pointer;background:var(--surf3);}
.mt-ly-act.update{color:var(--accent);}
.mt-ly-act.update:hover{background:rgba(108,142,255,.15);}
.mt-ly-act.add{color:var(--green);}
.mt-ly-act.add:hover{background:rgba(92,232,160,.12);}
.mt-ly-act.del{color:var(--red);}
.mt-ly-act.del:hover{background:rgba(240,120,120,.12);}
.mt-lrc-right{width:120px;flex-shrink:0;border-left:1px solid var(--border);padding:16px 12px;display:flex;flex-direction:column;gap:14px;}
.mt-r-label{font-size:9px;color:var(--ink3);letter-spacing:2px;font-family:'Space Mono',monospace;display:block;margin-bottom:5px;}
.mt-offset-row{display:flex;align-items:center;gap:5px;}
.mt-offset-inp{width:58px;background:var(--surf3);border:1px solid var(--border2);border-radius:5px;color:var(--ink);font-family:'Space Mono',monospace;font-size:12px;padding:5px 7px;outline:none;}
.mt-offset-inp:focus{border-color:var(--gold);}
.mt-offset-unit{font-size:10px;color:var(--ink3);font-family:'Space Mono',monospace;}
.mt-apply-btn{margin-top:5px;padding:4px 8px;border-radius:5px;border:1px solid var(--border2);background:transparent;color:var(--ink3);font-family:'Space Mono',monospace;font-size:9px;cursor:pointer;width:100%;}
.mt-apply-btn:hover{color:var(--ink);border-color:var(--ink);}
.mt-toggle-row{display:flex;align-items:center;gap:7px;}
.mt-toggle-lbl{font-size:10px;color:var(--ink2);font-family:'Space Mono',monospace;}
.mt-toggle{width:32px;height:17px;border-radius:999px;background:var(--surf3);border:1px solid var(--border2);cursor:pointer;position:relative;transition:background .2s;flex-shrink:0;}
.mt-toggle.on{background:var(--accent);border-color:var(--accent);}
.mt-toggle::after{content:'';position:absolute;left:2px;top:2px;width:11px;height:11px;border-radius:50%;background:#fff;transition:transform .2s;}
.mt-toggle.on::after{transform:translateX(15px);}
.mt-add-end-btn{padding:7px 10px;border-radius:7px;border:1px solid var(--border2);background:transparent;color:var(--ink2);font-family:'Space Mono',monospace;font-size:10px;cursor:pointer;width:100%;}
.mt-add-end-btn:hover{border-color:var(--ink);color:var(--ink);}

/* ══ Modals ══ */
.mt-modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:10000;align-items:center;justify-content:center;}
.mt-modal-overlay.open{display:flex;}
.mt-modal-box{background:var(--surf);border:1px solid var(--border2);border-radius:12px;padding:22px;width:360px;max-width:92vw;}
.mt-modal-title{font-size:10px;color:var(--ink3);letter-spacing:2px;font-family:'Space Mono',monospace;margin-bottom:14px;text-transform:uppercase;}
.mt-modal-row{margin-bottom:10px;}
.mt-modal-row label{font-size:9px;color:var(--ink3);letter-spacing:1.5px;font-family:'Space Mono',monospace;display:block;margin-bottom:4px;text-transform:uppercase;}
.mt-modal-inp{width:100%;background:var(--surf3);border:1px solid var(--border2);border-radius:6px;color:var(--ink);font-family:'Space Mono',monospace;font-size:12px;padding:9px 12px;outline:none;box-sizing:border-box;}
.mt-modal-inp:focus{border-color:var(--gold);}
.mt-modal-ta{width:100%;background:var(--surf3);border:1px solid var(--border2);border-radius:6px;color:var(--ink);font-family:'Noto Serif SC',serif;font-size:13px;padding:9px 12px;outline:none;height:190px;line-height:1.8;resize:vertical;box-sizing:border-box;}
.mt-modal-ta:focus{border-color:var(--gold);}
.mt-modal-footer{display:flex;gap:8px;margin-top:14px;}
.mt-modal-ok{flex:1;padding:9px;border-radius:7px;border:none;background:var(--accent);color:#fff;font-family:'Space Mono',monospace;font-size:11px;cursor:pointer;letter-spacing:1px;}
.mt-modal-ok:hover{opacity:.85;}
.mt-modal-cancel{padding:9px 16px;border-radius:7px;border:1px solid var(--border2);background:transparent;color:var(--ink2);font-family:'Space Mono',monospace;font-size:11px;cursor:pointer;}

@media(max-width:580px){
  .mt-lrc-left{width:0;padding:0;overflow:hidden;border:none;}
  .mt-lrc-right{width:100px;}
  .mt-ly-row{padding:8px 12px;}
  .mt-ly-actions{right:6px;}
  .mt-vol-range{width:80px;}
}

/* ══ 水印 ══ */
#music-toolbox::after {
  content: 'YuEn';
  position: fixed;
  bottom: 18px;
  right: 22px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--wm);
  pointer-events: none;
  z-index: 10001;
  user-select: none;
}

/* ══ 教程弹窗 ══ */
.mt-tut-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.75); z-index: 10002;
  align-items: center; justify-content: center; padding: 20px;
}
.mt-tut-overlay.open { display: flex; }
.mt-tut-box {
  background: var(--tut-card); border: 1px solid var(--tut-border);
  border-radius: 16px; padding: 32px 28px 24px;
  width: 100%; max-width: 520px; position: relative;
}
.mt-tut-close {
  position: absolute; top: 16px; right: 18px;
  background: none; border: none; color: var(--tut-dim);
  font-size: 18px; cursor: pointer; line-height: 1;
}
.mt-tut-close:hover { color: var(--tut-text2); }
.mt-tut-icon { font-size: 40px; margin-bottom: 18px; line-height: 1; }
.mt-tut-step-label {
  font-size: 10px; color: var(--tut-dim);
  font-family: 'Space Mono', monospace; letter-spacing: 2px;
  margin-bottom: 6px; text-transform: uppercase;
}
.mt-tut-title {
  font-size: 22px; font-weight: 700; margin-bottom: 8px;
  color: var(--tut-text);
}
.mt-tut-desc {
  font-size: 13px; color: var(--tut-text2);
  line-height: 1.8; margin-bottom: 22px;
  font-family: 'Space Mono', monospace;
}
.mt-tut-items { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.mt-tut-item {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--tut-item-bg); border: 1px solid var(--tut-item-border);
  border-radius: 10px; padding: 12px 16px;
  font-size: 13px; color: var(--tut-item-text); line-height: 1.6;
}
.mt-tut-item-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold2); flex-shrink: 0; margin-top: 6px;
}
.mt-tut-footer {
  display: flex; align-items: center; justify-content: space-between;
}
.mt-tut-dots { display: flex; gap: 7px; }
.mt-tut-dot {
  width: 28px; height: 6px; border-radius: 999px;
  background: var(--tut-dot-bg); transition: background .2s;
}
.mt-tut-dot.active { background: var(--gold2); }
.mt-tut-btns { display: flex; align-items: center; gap: 12px; }
.mt-tut-skip {
  background: none; border: none; color: var(--tut-dim);
  font-family: 'Space Mono', monospace; font-size: 11px;
  cursor: pointer; letter-spacing: 1px;
}
.mt-tut-skip:hover { color: var(--tut-text2); }
.mt-tut-next {
  display: flex; align-items: center; gap: 6px;
  background: var(--tut-next-bg); color: var(--tut-next-text);
  border: none; border-radius: 8px; padding: 10px 20px;
  font-family: 'Space Mono', monospace; font-size: 12px;
  font-weight: 700; cursor: pointer; transition: all .15s;
}
.mt-tut-next:hover { background: var(--tut-next-hover); transform: translateX(2px); }

/* ══ 帮助按钮 ══ */
.mt-help-btn {
  margin-left: auto;
  width: 26px; height: 26px; border-radius: 50%;
  border: 1.5px solid var(--border2); background: transparent;
  color: var(--ink3); font-family: 'Space Mono', monospace;
  font-size: 12px; font-weight: 700; cursor: pointer;
  transition: all .15s; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.mt-help-btn:hover { border-color: var(--gold); color: var(--gold2); }

/* ══ 以后不再显示按钮 ══ */
.mt-tut-nevershow {
  background: none; border: none;
  color: var(--tut-dim);
  font-family: 'Space Mono', monospace; font-size: 10px;
  cursor: pointer; letter-spacing: 0.5px; margin-right: 4px;
  text-decoration: underline; text-underline-offset: 3px;
}
.mt-tut-nevershow:hover { color: var(--tut-text2); }

/* LRC 悬停展开子按钮 */
.mt-hover-group { position:relative; }
.mt-sub-btns {
  display:none;
  flex-direction:column;
  gap:4px;
  margin-top:4px;
}
.mt-hover-group:hover .mt-sub-btns { display:flex; }
.mt-sub-btn { font-size:11px !important; padding:4px 8px !important; opacity:0.85; }
.mt-modal-warn { font-size:12px; color:#f59e0b; margin-bottom:8px; }

/* 时间戳手动编辑 */
.mt-ly-ts-wrap { display:inline-flex; align-items:center; }
.mt-ly-time-edit {
  width:80px; font-size:12px; font-family:monospace;
  background:var(--ts-bg); color:var(--ts-text); border:1px solid var(--ts-border);
  border-radius:4px; padding:1px 4px; text-align:center;
}