/* ================= 心晴工具箱 · 样式 ================= */
:root{
  --bg:#f5f7fc; --surface:#ffffff; --surface2:#fafbff; --surface3:#f0f2fa;
  --border:#e7eaf3; --border2:#dce0ee;
  --text:#1b1f31; --text2:#5d6480; --text3:#98a0b8;
  --primary:#5b5bd6; --primary2:#8b5cf6; --primary-soft:#eeeefe;
  --accent:#ff7a59; --ok:#16a34a; --warn:#e0952a; --err:#e04848;
  --shadow:0 4px 18px rgba(35,45,90,.055); --shadow-lg:0 20px 60px rgba(30,40,90,.16);
  --radius:16px; --radius-sm:10px;
  --sidebar-w:246px;
}
body[data-theme="dark"]{
  --bg:#0d1018; --surface:#171b27; --surface2:#1c2130; --surface3:#242a3a;
  --border:#2a3040; --border2:#363e52;
  --text:#eef1fa; --text2:#a8b0c6; --text3:#737d96;
  --primary:#8b8bf5; --primary2:#a98bfa; --primary-soft:#282652;
  --accent:#ff916f; --ok:#4ade80; --warn:#fbbf4d; --err:#ff7a7a;
  --shadow:0 4px 18px rgba(0,0,0,.22); --shadow-lg:0 20px 60px rgba(0,0,0,.55);
}
*{box-sizing:border-box}
/* 自定义 display 会覆盖 UA 的 [hidden]，必须显式声明 */
[hidden]{display:none !important}
html,body{margin:0;padding:0;height:100%}
body{
  background:var(--bg); color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:14px; line-height:1.6; -webkit-font-smoothing:antialiased;
  /* 颜色来自 CSS 变量，参与 transition 会在切主题时卡在旧值 */
  transition:background .25s;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--primary);text-decoration:none}
::selection{background:var(--primary);color:#fff}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:9px}
::-webkit-scrollbar-track{background:transparent}

.app{display:flex;min-height:100vh}

/* ---------- 侧栏 ---------- */
.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);height:100vh;position:sticky;top:0;
  background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;z-index:40;
}
.brand{display:flex;align-items:center;gap:11px;padding:22px 20px 18px}
.brand-logo{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:22px;
  background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:0 6px 16px rgba(99,102,241,.3)
}
.brand-text{display:flex;flex-direction:column;line-height:1.35}
.brand-text strong{font-size:15px;letter-spacing:.3px}
.brand-text span{font-size:11.5px;color:var(--text3)}
.nav{flex:1;overflow-y:auto;padding:6px 12px 12px}
.nav-label{font-size:11px;color:var(--text3);letter-spacing:1.2px;padding:14px 10px 7px;font-weight:600}
.nav-item{
  display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;
  padding:9px 11px;border-radius:10px;color:var(--text2);font-size:13.5px;text-align:left;
  transition:.16s;margin-bottom:2px;
}
.nav-item .ni-ico{font-size:16px;width:20px;text-align:center}
.nav-item .ni-count{margin-left:auto;font-size:11px;color:var(--text3);background:var(--surface3);padding:1px 7px;border-radius:20px}
.nav-item:hover{background:var(--surface3);color:var(--text)}
.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.nav-item.active .ni-count{background:var(--surface);color:var(--primary)}
.side-foot{padding:12px;border-top:1px solid var(--border)}
.side-tip{display:flex;gap:9px;background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:11px;margin-bottom:8px}
.tip-ico{font-size:16px}
.side-tip b{display:block;font-size:12px}
.side-tip small{display:block;font-size:11px;color:var(--text3);line-height:1.45;margin-top:2px}
.side-links{display:flex;gap:4px}
.side-link{flex:1;border:0;background:transparent;color:var(--text2);font-size:11.5px;padding:7px 4px;border-radius:8px}
.side-link:hover{background:var(--surface3);color:var(--text)}
.side-link span{margin-right:3px}

/* ---------- 顶栏 ---------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:66px;flex:0 0 66px;position:sticky;top:0;z-index:30;
  display:flex;align-items:center;gap:14px;padding:0 28px;
  background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.search-wrap{position:relative;flex:1;max-width:560px}
.search-wrap input{
  width:100%;height:40px;border:1px solid var(--border);background:var(--surface);
  border-radius:11px;padding:0 42px 0 40px;outline:none;transition:.2s;
  box-shadow:var(--shadow);
}
.search-wrap input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.search-wrap input::placeholder{color:var(--text3)}
.search-ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:15px;opacity:.65}
.search-kbd{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--text3);border:1px solid var(--border2);border-radius:5px;padding:0 6px;line-height:18px}
.top-actions{margin-left:auto;display:flex;gap:8px}
.icon-btn{
  width:36px;height:36px;border:1px solid var(--border);background:var(--surface);color:var(--text2);
  border-radius:10px;display:grid;place-items:center;font-size:16px;transition:.16s;flex:0 0 auto;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.menu-btn{display:none}

.content{padding:0 28px 0;max-width:1500px;width:100%;margin:0 auto}

/* ---------- Hero ---------- */
.hero{
  margin:26px 0 30px;position:relative;overflow:hidden;border-radius:22px;
  background:linear-gradient(115deg,#eef0ff 0%,#f7f0ff 48%,#fff2ec 100%);
  border:1px solid var(--border);padding:36px 40px;display:flex;align-items:center;min-height:236px;
}
body[data-theme="dark"] .hero{background:linear-gradient(115deg,#1d1e3c,#251b3a,#30211f)}
.hero-left{position:relative;z-index:2;max-width:600px}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--border);border-radius:30px;padding:5px 13px;font-size:11.5px;color:var(--text2);box-shadow:var(--shadow)}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(22,163,74,.16)}
.hero h1{font-size:34px;line-height:1.28;margin:16px 0 10px;letter-spacing:-.6px;font-weight:750}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--primary),var(--primary2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--text2);font-size:13.5px;margin:0 0 20px;max-width:520px}
.hero p b{color:var(--primary)}
.hero-btns{display:flex;gap:10px;flex-wrap:wrap}
.btn-primary{border:0;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;padding:10px 20px;border-radius:10px;font-weight:600;font-size:13px;box-shadow:0 6px 16px rgba(99,102,241,.28);transition:.18s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 9px 22px rgba(99,102,241,.38)}
.btn-ghost{border:1px solid var(--border2);background:var(--surface);color:var(--text2);padding:9px 18px;border-radius:10px;font-size:13px;transition:.18s}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.hero-art{position:absolute;right:0;top:0;bottom:0;width:44%;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.5}
.orb1{width:230px;height:230px;right:40px;top:-70px;background:radial-gradient(circle at 30% 30%,#c9c4ff,#8b5cf6);opacity:.35}
.orb2{width:170px;height:170px;right:180px;bottom:-90px;background:radial-gradient(circle at 30% 30%,#ffd9c2,#ff8a65);opacity:.32}
.orb3{width:110px;height:110px;right:15px;bottom:-20px;background:radial-gradient(circle at 30% 30%,#c9f0ff,#5eb8ff);opacity:.3}
.float-card{
  position:absolute;background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:9px 13px;font-size:13px;font-weight:650;box-shadow:var(--shadow-lg);white-space:nowrap;
  display:flex;align-items:center;gap:8px;animation:float 5s ease-in-out infinite;
}
.float-card span{font-weight:500;font-size:12px;color:var(--text2)}
.fc1{right:52%;top:22px;animation-delay:0s}
.fc2{right:20%;top:6px;animation-delay:.7s}
.fc3{right:6%;top:82px;animation-delay:1.4s}
.fc4{right:38%;bottom:26px;animation-delay:2.1s}
.fc5{right:9%;bottom:22px;animation-delay:2.8s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 分类 / 网格 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:14px}
.section-head h2{font-size:19px;margin:0;letter-spacing:-.2px}
.section-head p{font-size:12.5px;color:var(--text3);margin:2px 0 0}
.view-toggle{display:flex;gap:4px;background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:3px}
.vt{border:0;background:transparent;color:var(--text3);width:28px;height:26px;border-radius:6px;font-size:13px}
.vt.active{background:var(--primary-soft);color:var(--primary)}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:12px;margin-bottom:6px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{border:1px solid var(--border);background:var(--surface);color:var(--text2);padding:6px 14px;border-radius:30px;white-space:nowrap;font-size:12.5px;transition:.16s}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(91,91,214,.25)}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(224px,1fr));gap:14px;padding-bottom:24px}
.tool-grid.list-view{grid-template-columns:1fr;gap:8px}
.tool-card{
  position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;cursor:pointer;transition:.2s;overflow:hidden;text-align:left;
  display:flex;flex-direction:column;gap:9px;min-height:116px;
}
.tool-card::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--cat-color),transparent 62%);opacity:0;transition:.25s}
.tool-card:hover{transform:translateY(-3px);border-color:var(--cat-color);box-shadow:var(--shadow-lg)}
.tool-card:hover::before{opacity:.07}
.tc-top{display:flex;align-items:center;justify-content:space-between;position:relative}
.tc-ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:19px;background:var(--surface3);transition:.2s}
.tool-card:hover .tc-ico{background:var(--cat-color);transform:scale(1.06)}
.tc-fav{border:0;background:transparent;color:var(--text3);font-size:15px;padding:2px 4px;line-height:1;transition:.15s}
.tc-fav:hover{color:var(--accent);transform:scale(1.2)}
.tc-fav.on{color:var(--accent)}
.tc-name{font-size:14px;font-weight:650;position:relative;letter-spacing:.1px}
.tc-desc{font-size:11.8px;color:var(--text3);line-height:1.5;position:relative;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tc-cat{position:absolute;right:12px;bottom:12px;font-size:10px;color:var(--text3);opacity:0;transition:.2s}
.tool-card:hover .tc-cat{opacity:1}
.tool-grid.list-view .tool-card{min-height:0;flex-direction:row;align-items:center;gap:14px;padding:11px 15px}
.tool-grid.list-view .tc-top{order:0}
.tool-grid.list-view .tc-name{order:1;min-width:150px}
.tool-grid.list-view .tc-desc{order:2;flex:1;-webkit-line-clamp:1}
.tool-grid.list-view .tc-cat{display:none}
.cat-group{grid-column:1/-1;margin:14px 0 2px;display:flex;align-items:center;gap:9px}
.cat-group h3{font-size:15px;margin:0}
.cat-group .cg-line{flex:1;height:1px;background:var(--border)}
.cat-group .cg-num{font-size:11px;color:var(--text3)}
.empty{text-align:center;padding:70px 20px;color:var(--text2)}
.empty-ico{font-size:48px}
.empty h3{margin:12px 0 4px}
.empty p{color:var(--text3);font-size:13px;margin:0 0 16px}
.footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid var(--border);padding:20px 0 26px;color:var(--text3);font-size:11.5px}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,20,40,.42);backdrop-filter:blur(3px);z-index:80;animation:fadeIn .2s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(760px,100vw);z-index:90;
  background:var(--surface);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;
  animation:slideIn .28s cubic-bezier(.2,.8,.2,1);
}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.drawer-head{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);flex:0 0 auto}
.drawer-title{display:flex;align-items:center;gap:11px;min-width:0;flex:1}
.drawer-title>span{width:38px;height:38px;border-radius:11px;background:var(--primary-soft);display:grid;place-items:center;font-size:19px;flex:0 0 auto}
.drawer-title h3{margin:0;font-size:16px;line-height:1.3}
.drawer-title small{color:var(--text3);font-size:11.5px}
.drawer-actions{display:flex;gap:7px}
.drawer-actions .icon-btn.on{color:var(--accent);border-color:var(--accent)}
.drawer-desc{padding:10px 22px;background:var(--surface2);border-bottom:1px solid var(--border);font-size:12.5px;color:var(--text2);flex:0 0 auto}
.drawer-body{flex:1;overflow-y:auto;padding:20px 22px 60px}
.back-btn{font-size:14px}

/* ---------- 工具通用组件 ---------- */
.tb-field{margin-bottom:15px}
.tb-field>label{display:block;font-size:12.5px;font-weight:600;margin-bottom:6px;color:var(--text2)}
.tb-field>label .lite{font-weight:400;color:var(--text3);font-size:11.5px;margin-left:6px}
.tb-input,.tb-textarea,.tb-select{
  width:100%;border:1px solid var(--border2);background:var(--surface2);border-radius:var(--radius-sm);
  padding:9px 12px;outline:none;transition:.18s;color:var(--text);
}
.tb-input:focus,.tb-textarea:focus,.tb-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);background:var(--surface)}
.tb-textarea{min-height:118px;resize:vertical;line-height:1.65;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Microsoft YaHei",monospace;font-size:12.8px}
.tb-textarea.tall{min-height:190px}
.tb-textarea.short{min-height:72px}
.tb-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text3) 50%),linear-gradient(135deg,var(--text3) 50%,transparent 50%);background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:30px}
.tb-row{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
/* 取色块 + 十六进制输入框保持同一行 */
.tb-row>input[type="color"]{flex:0 0 auto}
.tb-row>input[type="color"]+input{flex:1 1 0;min-width:0;width:auto}
.tb-grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tb-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tb-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.tb-actions{display:flex;gap:8px;flex-wrap:wrap;margin:4px 0 16px}
.tb-btn{
  border:1px solid var(--border2);background:var(--surface);color:var(--text2);
  padding:8px 15px;border-radius:9px;font-size:12.5px;font-weight:550;transition:.16s;white-space:nowrap;
}
.tb-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.tb-btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(91,91,214,.22)}
.tb-btn.primary:hover{filter:brightness(1.08);color:#fff}
.tb-btn.sm{padding:4px 10px;font-size:11.5px;border-radius:7px}
.tb-btn.danger:hover{border-color:var(--err);color:var(--err);background:rgba(224,72,72,.08)}
.tb-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.tb-chips{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:13px}
.tb-chip{border:1px solid var(--border2);background:var(--surface2);color:var(--text2);padding:5px 11px;border-radius:20px;font-size:12px;transition:.15s}
.tb-chip:hover{border-color:var(--primary);color:var(--primary)}
.tb-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
.tb-result{border:1px solid var(--border);background:var(--surface2);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:15px}
.tb-result-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 11px;border-bottom:1px solid var(--border);background:var(--surface3);font-size:11.5px;font-weight:600;color:var(--text2)}
.tb-result-body{padding:12px;font-size:13px;word-break:break-word;min-height:44px;white-space:pre-wrap;line-height:1.7;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Microsoft YaHei",monospace}
.tb-result-body.big{font-size:19px;font-weight:650;color:var(--primary);font-family:inherit}
.tb-result-body.plain{font-family:inherit;white-space:normal}
.tb-result-body textarea{width:100%;min-height:120px;border:0;background:transparent;outline:none;resize:vertical;color:var(--text);font-family:inherit;font-size:13px;line-height:1.7}
.tb-note{background:var(--primary-soft);border-left:3px solid var(--primary);border-radius:0 8px 8px 0;padding:9px 12px;font-size:12px;color:var(--text2);margin-bottom:14px;line-height:1.65}
.tb-note.warn{background:rgba(224,149,42,.1);border-color:var(--warn)}
.tb-note b{color:var(--text)}
.tb-hr{height:1px;background:var(--border);margin:20px 0}
.tb-h4{font-size:13px;font-weight:650;margin:0 0 10px;display:flex;align-items:center;gap:7px}
.tb-kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-bottom:14px}
.tb-stat{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 13px}
.tb-stat small{display:block;color:var(--text3);font-size:11px;margin-bottom:3px}
.tb-stat b{font-size:18px;color:var(--primary);font-variant-numeric:tabular-nums}
.tb-stat b small{display:inline;font-size:11px;color:var(--text3);margin-left:3px}
.tb-table-wrap{width:100%;overflow-x:auto;margin-bottom:14px}
.tb-table{width:100%;border-collapse:collapse;font-size:12.5px;min-width:360px}
.tb-table th,.tb-table td{border:1px solid var(--border);padding:7px 10px;text-align:left}
.tb-table th{background:var(--surface3);font-weight:600;color:var(--text2);font-size:11.5px}
.tb-table tr:hover td{background:var(--surface2)}
.tb-code{background:var(--surface3);border:1px solid var(--border);border-radius:8px;padding:11px 13px;font-family:ui-monospace,Consolas,monospace;font-size:12px;white-space:pre-wrap;word-break:break-all;line-height:1.65;max-height:340px;overflow:auto}
.tb-check{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text2);cursor:pointer;margin-right:12px}
.tb-check input{accent-color:var(--primary);width:15px;height:15px}
.tb-radio{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--text2);cursor:pointer;margin-right:12px}
.tb-radio input{accent-color:var(--primary)}
.tb-drop{
  border:2px dashed var(--border2);border-radius:14px;padding:26px;text-align:center;
  background:var(--surface2);transition:.2s;cursor:pointer;margin-bottom:14px;
}
.tb-drop:hover,.tb-drop.over{border-color:var(--primary);background:var(--primary-soft)}
.tb-drop .dd-ico{font-size:34px;display:block;margin-bottom:6px}
.tb-drop b{font-size:13px}
.tb-drop small{display:block;color:var(--text3);font-size:11.5px;margin-top:4px}
.tb-preview{background:var(--surface3);border:1px solid var(--border);border-radius:12px;padding:12px;text-align:center;max-height:400px;overflow:auto;margin-bottom:14px}
.tb-preview img,.tb-preview canvas{max-width:100%;max-height:360px;border-radius:6px;display:block;margin:0 auto;background:repeating-conic-gradient(#d8dbe6 0% 25%,#fff 0% 50%) 50%/16px 16px}
.tb-preview canvas{cursor:crosshair}
.tb-two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tb-mini{font-size:11.5px;color:var(--text3)}
.tb-badge{display:inline-block;background:var(--primary-soft);color:var(--primary);border-radius:6px;padding:1px 7px;font-size:11px;font-weight:600}
.tb-badge.ok{background:rgba(22,163,74,.12);color:var(--ok)}
.tb-badge.err{background:rgba(224,72,72,.12);color:var(--err)}
.tb-swatch{width:34px;height:34px;border-radius:8px;border:1px solid var(--border2);flex:0 0 auto}
.tb-range{flex:1;min-width:120px;accent-color:var(--primary)}
.tb-inline{display:flex;align-items:center;gap:9px;margin-bottom:10px;flex-wrap:wrap}
.tb-inline>span{min-width:74px;font-size:12.5px;color:var(--text2)}
.tb-seg{display:inline-flex;background:var(--surface3);border-radius:9px;padding:3px;gap:2px;flex-wrap:wrap}
.tb-seg button{border:0;background:transparent;color:var(--text2);padding:5px 11px;border-radius:7px;font-size:12px}
.tb-seg button.active{background:var(--surface);color:var(--primary);font-weight:600;box-shadow:var(--shadow)}
.tb-list{display:flex;flex-direction:column;gap:7px}
.tb-list-item{display:flex;align-items:center;gap:9px;background:var(--surface2);border:1px solid var(--border);border-radius:9px;padding:8px 11px;font-size:12.5px}
.tb-list-item.done{opacity:.55;text-decoration:line-through}
.tb-list-item .grow{flex:1}
.tb-link{color:var(--primary);cursor:pointer}
mark{background:rgba(255,190,60,.45);color:inherit;border-radius:3px;padding:0 1px}
.diff-add{background:rgba(22,163,74,.12);color:var(--ok)}
.diff-del{background:rgba(224,72,72,.12);color:var(--err);text-decoration:line-through}
.tb-error{color:var(--err);font-size:12.5px;margin:6px 0}

/* Toast */
.toast-wrap{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:var(--text);color:var(--surface);padding:9px 17px;border-radius:10px;font-size:12.5px;box-shadow:var(--shadow-lg);animation:toastIn .22s;white-space:nowrap}
body[data-theme="dark"] .toast{background:#e9ecf7;color:#171b27}
.toast.ok{background:var(--ok);color:#fff}
.toast.err{background:var(--err);color:#fff}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){.hero-art{width:36%}.fc1,.fc4{display:none}}
@media(max-width:860px){
  .sidebar{position:fixed;left:0;transform:translateX(-100%);transition:transform .25s;box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .menu-btn{display:grid}
  .topbar{padding:0 16px}
  .content{padding:0 16px}
  .hero{padding:26px 22px;min-height:0}
  .hero h1{font-size:26px}
  .hero-art{display:none}
  .drawer{width:100vw}
  .drawer-body{padding:16px 14px 60px}
  .tb-grid3,.tb-grid4{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .hero h1{font-size:22px}
  .hero p{font-size:12.5px}
  .tool-grid{grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:10px}
  .tool-card{padding:13px;min-height:104px}
  .tb-grid2,.tb-two{grid-template-columns:1fr}
  .tb-grid3,.tb-grid4{grid-template-columns:1fr 1fr}
  .footer{flex-direction:column}
  .search-kbd{display:none}
}