/* ==========================================================================
   监考小助手 · style.css
   ========================================================================== */
:root{
  --bg:#eef2fb;
  --surface:#ffffff;
  --surface-2:#f7f9fd;
  --ink:#16203a;
  --ink-2:#4a5570;
  --ink-3:#7d879e;
  --line:#e3e8f2;
  --line-2:#eef1f8;
  --brand:#3b5bdb;
  --brand-2:#2f6df6;
  --teal:#0ea5a5;
  --ok:#10b981;
  --warn:#f59e0b;
  --danger:#ef4444;
  --a-left:#3b82f6;
  --a-right:#8b5cf6;
  --a-back:#f59e0b;
  --a-sleep:#ef4444;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(20,32,64,.05),0 6px 18px -8px rgba(20,32,64,.16);
  --sh-2:0 2px 6px rgba(20,32,64,.06),0 22px 48px -24px rgba(20,32,64,.28);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  font-size:15px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  display:flex;flex-direction:column;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
b,strong{font-weight:650}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
canvas{display:block}

/* ---------- 背景 ---------- */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;background:
  radial-gradient(1200px 620px at 50% -240px,#dfe8ff 0%,rgba(223,232,255,0) 62%),
  linear-gradient(180deg,#f2f5fd 0%,#eef2fb 40%,#e9eef9 100%)}
.bg-glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.bg-glow-a{width:560px;height:560px;left:-160px;top:-160px;background:radial-gradient(circle,#c7d7ff,transparent 68%)}
.bg-glow-b{width:620px;height:620px;right:-220px;top:120px;background:radial-gradient(circle,#c8f0ec,transparent 68%)}
.bg-grid{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(59,91,219,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(59,91,219,.05) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 50% 0%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 78% 62% at 50% 0%,#000 20%,transparent 78%)}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;gap:18px;
  padding:10px clamp(14px,3vw,30px);
  background:rgba(255,255,255,.78);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(227,232,242,.9);
}
.brand{display:flex;align-items:center;gap:10px;color:inherit;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,#0f172a,#1e293b);box-shadow:0 6px 16px -8px rgba(15,23,42,.8)}
.brand-txt{display:flex;flex-direction:column;line-height:1.25}
.brand-txt strong{font-size:16px;letter-spacing:.01em}
.brand-txt em{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.02em}

.steps{display:flex;align-items:center;gap:6px;margin-left:auto;margin-right:auto;flex-wrap:wrap}
.steps span{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-3);
  padding:5px 11px;border-radius:999px;background:transparent;transition:.2s}
.steps b{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;
  background:#e8ecf6;color:#7d879e;font-size:11px;font-weight:700}
.steps span.on{background:#eaf0ff;color:var(--brand)}
.steps span.on b{background:var(--brand);color:#fff}
.steps span.done{color:var(--ok)}
.steps span.done b{background:#d7f5e9;color:#0b8a63}

.topbar-right{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;
  color:var(--ink-2);background:#f0f3fa;border:1px solid var(--line);border-radius:999px;padding:5px 12px;white-space:nowrap}
.pill i{width:7px;height:7px;border-radius:50%;background:#b6bfd3;box-shadow:0 0 0 3px rgba(182,191,211,.2)}
.pill.live{color:#b91c1c;background:#fff1f2;border-color:#fecdd3}
.pill.live i{background:#ef4444;animation:blink 1.3s infinite}
.pill.warm{color:#b45309;background:#fffbeb;border-color:#fde68a}
.pill.warm i{background:#f59e0b}
.pill.ok{color:#0b8a63;background:#ecfdf5;border-color:#a7f3d0}
.pill.ok i{background:#10b981}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ---------- 布局 ---------- */
main{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:clamp(16px,2.6vw,34px) clamp(12px,3vw,30px) 56px}
.view{display:none;animation:rise .34s cubic-bezier(.2,.8,.3,1)}
.view.is-active{display:block}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  font-size:14px;font-weight:600;line-height:1;padding:0 15px;height:40px;border-radius:11px;
  cursor:pointer;transition:.16s;white-space:nowrap;user-select:none;
  box-shadow:0 1px 2px rgba(20,32,64,.04);
}
.btn:hover{background:var(--surface-2);border-color:#d3dbeb;transform:translateY(-1px);box-shadow:0 4px 12px -6px rgba(20,32,64,.24)}
.btn:active{transform:none}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn.lg{height:50px;font-size:15.5px;padding:0 22px;border-radius:13px}
.btn.sm{height:33px;font-size:13px;padding:0 11px;border-radius:9px}
.btn.xs{height:27px;font-size:12px;padding:0 9px;border-radius:8px;font-weight:600}
.btn.primary{background:linear-gradient(170deg,#4361e0,#2f4fd0);border-color:#2f4fd0;color:#fff;
  box-shadow:0 8px 20px -10px rgba(47,79,208,.9)}
.btn.primary:hover{background:linear-gradient(170deg,#4b69e8,#3453d8)}
.btn.danger{background:linear-gradient(170deg,#ef4444,#dc2626);border-color:#dc2626;color:#fff;
  box-shadow:0 8px 20px -10px rgba(220,38,38,.9)}
.btn.danger:hover{background:linear-gradient(170deg,#f05252,#e11d48)}
.btn.ghost{background:rgba(255,255,255,.6)}
.btn.ghost-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28);color:#fff;
  backdrop-filter:blur(8px);box-shadow:none}
.btn.ghost-light:hover{background:rgba(255,255,255,.24);border-color:rgba(255,255,255,.5)}
.btn.ghost-light.on{background:#fff;color:#16203a;border-color:#fff}

/* ---------- 首页 ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:clamp(18px,3vw,44px);align-items:center;
  padding:clamp(8px,2vw,26px) 0 clamp(18px,3vw,34px)}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand);
  background:#e8eeff;border:1px solid #d7e1ff;padding:4px 11px;border-radius:999px;margin-bottom:14px}
.hero h1{font-size:clamp(25px,3.4vw,40px);letter-spacing:-.02em;font-weight:760;color:#101a33}
.grad{background:linear-gradient(96deg,#3b5bdb,#0ea5a5);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin-top:14px;font-size:15.5px;color:var(--ink-2);max-width:38em}
.hero-points{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px}
.hero-points li{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-2)}
.hero-points svg{color:var(--teal);flex:0 0 auto}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hint{margin-top:14px;font-size:12.5px;color:var(--ink-3)}

.hero-card{background:linear-gradient(170deg,#0f172a,#1b2540);border-radius:var(--r-lg);padding:22px;
  color:#e6ebf7;box-shadow:var(--sh-2);border:1px solid rgba(255,255,255,.08);position:relative;overflow:hidden}
.hero-card::after{content:"";position:absolute;inset:0;background:radial-gradient(320px 160px at 100% 0%,rgba(45,212,191,.22),transparent 70%);pointer-events:none}
.mini-chart{margin:-4px -6px 16px;opacity:.9}
.mini-chart svg{width:100%;height:auto}
.hero-card h3{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#8ea2c8;font-weight:700}
.hero-card ol{margin:12px 0 0;padding:0;list-style:none;counter-reset:c;display:flex;flex-direction:column;gap:11px}
.hero-card li{counter-increment:c;position:relative;padding-left:30px;font-size:14px}
.hero-card li::before{content:counter(c);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-weight:700;background:rgba(255,255,255,.1);color:#a8c4ff}
.hero-card li b{display:block;font-weight:650;color:#fff}
.hero-card li span{display:block;font-size:12.5px;color:#8ea2c8;line-height:1.5}

.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}
.card-opt{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:16px;
  box-shadow:var(--sh-1);transition:.2s}
.card-opt:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d5deef}
.card-ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:11px}
.ico-turn{background:#eef4ff;color:var(--a-left)}
.ico-back{background:#fff7e8;color:#b45309}
.ico-sleep{background:#fef2f2;color:#dc2626}
.ico-seat{background:#eefbf7;color:#0b8a63}
.card-opt h4{font-size:14.5px;margin-bottom:5px}
.card-opt p{font-size:12.8px;color:var(--ink-2);line-height:1.6}
.card-opt b{color:var(--brand);font-variant-numeric:tabular-nums}

/* ---------- 面板 ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:clamp(13px,2vw,20px);margin-bottom:16px}
.panel.soft{background:linear-gradient(180deg,#fbfcff,#f6f9ff);border-color:#e6ecf8}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px;flex-wrap:wrap}
.panel-head h3{font-size:15px;display:flex;align-items:center;gap:8px}
.panel-head-actions{display:flex;gap:6px}
.muted{font-size:12.5px;color:var(--ink-3);font-weight:400}
.count{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 7px;border-radius:999px;
  background:#e8eeff;color:var(--brand);font-size:12px;font-weight:700}

.tune-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.tune-grid.tight{grid-template-columns:1fr;gap:13px}
.tune{display:flex;flex-direction:column;gap:6px}
.tune>span{font-size:13px;font-weight:600;color:var(--ink-2);display:flex;justify-content:space-between;gap:8px}
.tune>span b{color:var(--brand);font-variant-numeric:tabular-nums}
.tune em{font-style:normal;font-size:11.5px;color:var(--ink-3)}
.tune input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:99px;
  background:linear-gradient(90deg,#3b5bdb var(--p,40%),#e3e8f2 var(--p,40%));outline:none;cursor:pointer}
.tune input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:17px;height:17px;border-radius:50%;
  background:#fff;border:2.5px solid var(--brand);box-shadow:0 2px 6px rgba(20,32,64,.22);cursor:grab}
.tune input[type=range]::-moz-range-thumb{width:15px;height:15px;border-radius:50%;background:#fff;
  border:2.5px solid var(--brand);box-shadow:0 2px 6px rgba(20,32,64,.22);cursor:grab}

.note{margin-top:14px;font-size:12.5px;color:var(--ink-3);line-height:1.7;
  background:rgba(255,255,255,.6);border:1px dashed var(--line);border-radius:var(--r-md);padding:12px 14px}
.note b{color:var(--ink-2)}

/* ---------- 实时页 ---------- */
.live-grid{display:grid;grid-template-columns:minmax(0,1fr) 372px;gap:16px;align-items:start}
.stage-wrap{min-width:0}
.stage{position:relative;background:#0b1120;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 20px 50px -28px rgba(11,17,32,.9),0 0 0 1px rgba(255,255,255,.06) inset;aspect-ratio:16/9}
.stage canvas{width:100%;height:100%;display:block;object-fit:contain}
.stage-empty{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:14px;
  color:#8ea2c8;font-size:13.5px;background:#0b1120;text-align:center;padding:20px}
.stage-empty[hidden]{display:none}
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid rgba(255,255,255,.16);
  border-top-color:#60a5fa;animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.stage-top{position:absolute;top:10px;left:10px;right:10px;display:flex;gap:6px;flex-wrap:wrap;pointer-events:none}
.chip{font-size:11.5px;font-weight:600;color:#dbe6f7;background:rgba(11,17,32,.62);border:1px solid rgba(255,255,255,.14);
  padding:3px 9px;border-radius:999px;backdrop-filter:blur(6px);font-variant-numeric:tabular-nums}
.stage-bar{position:absolute;bottom:10px;right:10px;display:flex;gap:6px}

.stage-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;flex-wrap:wrap}
.tool-left{display:flex;align-items:center;gap:14px}
.tool-right{display:flex;gap:8px;flex-wrap:wrap}
.rec{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--ink-2)}
.rec i{width:9px;height:9px;border-radius:50%;background:#c3cbdd}
.rec.on i{background:#ef4444;animation:blink 1.3s infinite;box-shadow:0 0 0 4px rgba(239,68,68,.14)}
.clock{font-family:var(--mono);font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink);
  font-variant-numeric:tabular-nums}
.tip{margin-top:10px;font-size:12.5px;color:var(--ink-3);min-height:1.4em}

.side{display:flex;flex-direction:column;gap:16px;min-width:0}
.seat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;max-height:290px;overflow:auto;padding-right:2px}
.seat-chip{position:relative;border:1px solid var(--line);border-radius:11px;padding:7px 9px;background:var(--surface-2);
  transition:.16s;cursor:default;overflow:hidden}
.seat-chip .nm{font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:4px}
.seat-chip .nm em{font-style:normal;font-size:10.5px;color:var(--ink-3);font-weight:600}
.seat-chip .st{font-size:11px;color:var(--ink-3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.seat-chip .del{position:absolute;top:2px;right:2px;width:16px;height:16px;border:0;background:transparent;
  color:#b9c2d4;font-size:13px;line-height:1;cursor:pointer;border-radius:5px;display:none}
.seat-chip:hover .del{display:block}
.seat-chip .del:hover{color:var(--danger);background:#fee2e2}
.seat-chip .bar{position:absolute;left:0;bottom:0;height:2.5px;width:0;transition:width .5s,background .3s}
.seat-chip[data-act="TURN_LEFT"]{border-color:#bfdbfe;background:#eff6ff}
.seat-chip[data-act="TURN_LEFT"] .bar{width:100%;background:var(--a-left)}
.seat-chip[data-act="TURN_RIGHT"]{border-color:#ddd6fe;background:#f5f3ff}
.seat-chip[data-act="TURN_RIGHT"] .bar{width:100%;background:var(--a-right)}
.seat-chip[data-act="BACK"]{border-color:#fde68a;background:#fffbeb}
.seat-chip[data-act="BACK"] .bar{width:100%;background:var(--a-back)}
.seat-chip[data-act="SLEEP"]{border-color:#fecaca;background:#fef2f2}
.seat-chip[data-act="SLEEP"] .bar{width:100%;background:var(--a-sleep)}
.seat-chip[data-lost="1"]{opacity:.5}

.feed-panel .feed{max-height:320px;overflow:auto;display:flex;flex-direction:column;gap:7px}
.ev{display:flex;align-items:flex-start;gap:9px;padding:8px 10px;border-radius:10px;background:var(--surface-2);
  border:1px solid var(--line-2);font-size:12.8px;animation:slidein .28s ease}
@keyframes slidein{from{opacity:0;transform:translateX(8px)}to{opacity:1;transform:none}}
.ev .dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto;margin-top:6px}
.ev .txt{min-width:0}
.ev .txt b{font-weight:700}
.ev .txt small{display:block;color:var(--ink-3);font-size:11.5px;font-variant-numeric:tabular-nums}
.ev.TURN_LEFT .dot{background:var(--a-left)}
.ev.TURN_RIGHT .dot{background:var(--a-right)}
.ev.BACK .dot{background:var(--a-back)}
.ev.SLEEP .dot{background:var(--a-sleep)}

.empty{color:var(--ink-3);font-size:12.5px;padding:12px 4px;text-align:center}

/* ---------- 报告 ---------- */
.report-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.report-head h2{font-size:clamp(20px,2.6vw,27px);letter-spacing:-.02em}
.report-actions{display:flex;gap:8px;flex-wrap:wrap}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:13px 15px;box-shadow:var(--sh-1)}
.stat .k{font-size:12px;color:var(--ink-3);font-weight:600}
.stat .v{font-size:clamp(20px,2.6vw,27px);font-weight:750;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2;margin-top:2px}
.stat .s{font-size:11.5px;color:var(--ink-3)}
.stat.hl .v{color:var(--brand)}
.stat.bad .v{color:var(--danger)}

.seg{display:inline-flex;background:#eef1f8;border-radius:10px;padding:3px;gap:2px}
.seg button{border:0;background:transparent;font-size:12.5px;font-weight:600;color:var(--ink-2);
  padding:5px 12px;border-radius:8px;cursor:pointer;transition:.15s}
.seg button.on{background:#fff;color:var(--brand);box-shadow:0 1px 3px rgba(20,32,64,.12)}

.chart-box{position:relative;width:100%}
#chartCv{width:100%;height:auto;border-radius:12px}
.chart-tip{position:absolute;pointer-events:none;background:rgba(15,23,42,.94);color:#e8eefc;font-size:12px;
  padding:7px 10px;border-radius:9px;transform:translate(-50%,-118%);white-space:nowrap;z-index:5;
  box-shadow:0 8px 24px -10px #000;line-height:1.5}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:12px;font-size:12.5px;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:11px;height:11px;border-radius:3px;display:inline-block}

.gantt-box{width:100%;overflow-x:auto}
#ganttCv{width:100%;height:auto;min-width:560px;border-radius:12px}

.table-wrap{overflow:auto;max-height:520px;border-radius:12px;border:1px solid var(--line-2)}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{position:sticky;top:0;background:#f6f8fd;text-align:left;font-size:12px;font-weight:700;color:var(--ink-2);
  padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap;z-index:2}
.tbl td{padding:8px 12px;border-bottom:1px solid var(--line-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl tr:hover td{background:#fafbff}
.tbl td:nth-child(3){font-weight:600}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;
  padding:2px 9px;border-radius:999px;border:1px solid}
.badge.TURN_LEFT{color:#1d4ed8;background:#eff6ff;border-color:#bfdbfe}
.badge.TURN_RIGHT{color:#6d28d9;background:#f5f3ff;border-color:#ddd6fe}
.badge.BACK{color:#b45309;background:#fffbeb;border-color:#fde68a}
.badge.SLEEP{color:#b91c1c;background:#fef2f2;border-color:#fecaca}

.hist-list{display:flex;flex-direction:column;gap:9px}
.hist{display:flex;align-items:center;gap:14px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface-2);transition:.16s}
.hist:hover{border-color:#cfd9ec;background:#fff}
.hist .h-main{flex:1;min-width:0}
.hist .h-main b{font-size:14px;display:block}
.hist .h-main small{font-size:12px;color:var(--ink-3)}
.hist .h-acts{display:flex;gap:6px}

/* ---------- 页脚 ---------- */
.foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:22px clamp(14px,3vw,30px) 30px;font-size:12px;color:var(--ink-3);
  border-top:1px solid rgba(227,232,242,.9);margin-top:auto}
.foot-links{display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.foot-links a{color:var(--ink-3)}
.foot-links a:hover{color:var(--brand)}
.police{display:inline-flex;align-items:center;gap:4px}
.police img{width:14px;height:14px;vertical-align:-2px}

/* ---------- 弹层 ---------- */
.pop{position:fixed;z-index:60;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:15px;width:290px}
.pop-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.pop-x{border:0;background:transparent;font-size:19px;line-height:1;color:var(--ink-3);cursor:pointer;padding:0 2px}
.pop-x:hover{color:var(--danger)}

.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px;
  background:rgba(12,18,34,.5);backdrop-filter:blur(3px);animation:fadein .2s}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.modal-box{background:#fff;border-radius:var(--r-lg);padding:24px;max-width:440px;width:100%;
  box-shadow:0 32px 70px -24px rgba(0,0,0,.5);animation:popin .24s cubic-bezier(.2,.9,.3,1)}
@keyframes popin{from{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:none}}
.modal-box h3{font-size:17px;margin-bottom:9px}
.modal-box p{font-size:13.5px;color:var(--ink-2);white-space:pre-wrap;line-height:1.7}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}

.toasts{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:90;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:rgba(15,23,42,.94);color:#fff;font-size:13px;font-weight:500;padding:9px 16px;border-radius:11px;
  box-shadow:0 12px 30px -12px #000;animation:toastin .26s cubic-bezier(.2,.9,.3,1);max-width:82vw;text-align:center}
@keyframes toastin{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.toast.bad{background:rgba(190,18,60,.95)}
.toast.good{background:rgba(4,120,87,.95)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{grid-template-columns:1fr}
  .hero-card{order:-1}
  .live-grid{grid-template-columns:1fr}
  .side{flex-direction:row;flex-wrap:wrap}
  .side>.panel{flex:1 1 300px}
  .tune-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  body{font-size:14.5px}
  .topbar{flex-wrap:wrap;gap:10px;padding:9px 14px}
  .steps{order:3;width:100%;justify-content:flex-start;margin:0;gap:4px}
  .steps span{font-size:11.5px;padding:4px 8px}
  .topbar-right{margin-left:auto}
  .cards{grid-template-columns:1fr}
  .tune-grid{grid-template-columns:1fr}
  .stage-tools{flex-direction:column;align-items:stretch}
  .tool-right{justify-content:stretch}
  .tool-right .btn{flex:1}
  .side{flex-direction:column}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .report-head{flex-direction:column}
  .report-actions{width:100%}
  .report-actions .btn{flex:1 1 auto}
  .brand-txt em{display:none}
  .hero-actions .btn{flex:1}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}