:root{
  --bg:#f5f6f8;--ink:#18233a;--muted:#5b6980;--accent:#4338ca;--accent-soft:#eeedff;--line:#e3e7f0;
  --green:#14684b;--green-soft:#e3f3ec;--amber:#7c5400;--amber-soft:#fff2d6;--red:#a32632;--red-soft:#fdecee;
  --radius:16px;--shadow:0 4px 18px rgba(24,35,58,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1{font-size:30px;line-height:1.2;letter-spacing:-.6px;margin:0 0 6px}
h2{font-size:18px;margin:0 0 14px;letter-spacing:-.2px}
h3{font-size:15px;margin:0 0 6px}
p{margin:8px 0 14px}
a{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;min-height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:9px 15px;transition:background .15s}
button:hover{background:#f3f4fa}
button:disabled{opacity:.5;cursor:not-allowed}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #a79dfa;outline-offset:2px}
.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.primary:hover{background:#3a30b4}
.ghost{background:transparent}
.danger{color:var(--red);border-color:#f2c8ce}
.sm{padding:5px 10px;min-height:34px;font-size:13px;border-radius:9px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #c9d0de;border-radius:10px;background:#fff}
textarea{min-height:96px;resize:vertical}
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 0}
label > input,label > select,label > textarea{margin-top:5px}
.small{font-size:13px;color:var(--muted)}
.tiny{font-size:12px;color:var(--muted)}
.muted{color:var(--muted)}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.between{justify-content:space-between}
.grow{flex:1;min-width:0}
.wrap{flex-wrap:wrap}
.grid{display:grid;gap:16px}
.cols2{grid-template-columns:1.4fr 1fr}
.cols3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card + .card{margin-top:16px}
.hero{background:linear-gradient(135deg,#eeedff,#f7f6ff);border-color:#ddd8ff}
.badge{display:inline-block;font-size:12px;padding:4px 9px;border-radius:7px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.badge.ok{background:var(--green-soft);color:var(--green)}
.badge.warn{background:var(--amber-soft);color:var(--amber)}
.badge.err{background:var(--red-soft);color:var(--red)}
.badge.gray{background:#eef0f5;color:var(--muted)}
.note{border-left:3px solid #b5abf8;background:#f9f8ff;padding:12px 14px;border-radius:0 10px 10px 0;font-size:14px;margin:14px 0}
.err{background:var(--red-soft);color:var(--red);padding:10px 14px;border-radius:10px;font-size:14px}
.okmsg{background:var(--green-soft);color:var(--green);padding:10px 14px;border-radius:10px;font-size:14px}
.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:11px 10px;border-bottom:1px solid #f0f2f7;vertical-align:middle}
tr:last-child td{border-bottom:0}
.tablewrap{overflow-x:auto}

/* ---------- auth ---------- */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 500px at 20% -10%,#e6e2ff,transparent),var(--bg)}
.authbox{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 24px 70px rgba(24,35,58,.09)}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:24px;letter-spacing:2px}
.logomark{width:42px;height:42px;border-radius:13px;background:var(--accent);color:#fff;display:grid;place-items:center}
.logomark .icon{width:28px;height:28px}
.tabs{display:flex;gap:6px;background:#eef0f6;border-radius:11px;padding:4px;margin:18px 0}
.tabs button{border:0;background:transparent;flex:1;min-height:36px;border-radius:8px;font-size:14px}
.tabs button.on{background:#fff;box-shadow:0 1px 4px rgba(24,35,58,.1);font-weight:600}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:236px 1fr;min-height:100vh}
.sidebar{background:#fff;border-right:1px solid var(--line);padding:26px 16px;display:flex;flex-direction:column;gap:22px;position:sticky;top:0;height:100vh;overflow-y:auto}
nav{display:grid;gap:4px}
nav button{display:flex;align-items:center;gap:11px;text-align:left;border:0;background:transparent;padding:10px 12px;border-radius:10px;font-size:15px;width:100%}
nav button.on{background:var(--accent-soft);color:var(--accent);font-weight:650}
.sidefoot{margin-top:auto;display:grid;gap:10px}
.levelrow{display:flex;align-items:center;gap:10px}
.bar{height:8px;border-radius:6px;background:#e8eaf2;overflow:hidden}
.bar > span{display:block;height:100%;background:var(--accent);border-radius:6px;transition:width .3s}
.main{padding:26px 34px 60px;min-width:0;max-width:1400px;width:100%}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px;flex-wrap:wrap}
.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.stat b{display:block;font-size:26px;letter-spacing:-.5px;margin:4px 0}
.mission{display:flex;gap:12px;align-items:center;padding:11px 0;border-bottom:1px solid #f0f2f7}
.mission:last-child{border-bottom:0}
.mnum{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#eef0f6;font-size:13px;flex-shrink:0}
.mission.done .mnum{background:var(--green-soft);color:var(--green)}
.list{display:grid;gap:10px}
.item{display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff}
.thumb{width:46px;height:46px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex-shrink:0}
.bubble{background:#f2f4f9;border-radius:14px;padding:11px 14px;max-width:82%;margin:8px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.bubble.me{margin-left:auto;background:var(--accent-soft)}
.cover{height:200px;border-radius:14px;background:linear-gradient(135deg,#2b2570,#5b4bd1 65%,#9380d8);color:#fff;padding:20px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover .covertext{position:relative;z-index:1;text-shadow:0 1px 12px rgba(0,0,0,.5)}
.cover b{font-size:22px;display:block;line-height:1.25}
.modal{position:fixed;inset:0;background:rgba(20,32,64,.42);display:grid;place-items:center;padding:18px;z-index:40}
.modal[hidden]{display:none}
.modalbox{background:#fff;border-radius:18px;max-width:560px;width:100%;max-height:90vh;overflow:auto;padding:26px;box-shadow:0 30px 90px rgba(20,32,64,.35)}
.toast{position:fixed;right:20px;bottom:20px;background:var(--ink);color:#fff;padding:13px 18px;border-radius:12px;max-width:min(440px,90vw);z-index:50;box-shadow:0 8px 30px rgba(24,35,58,.3)}
.toast[hidden]{display:none}
.empty{text-align:center;padding:26px;background:#fafbfd;border:1px dashed var(--line);border-radius:12px;color:var(--muted);font-size:14px}
.spin{display:inline-block;width:14px;height:14px;border:2px solid #cfd3e4;border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}
.hide{display:none !important}
.chip{display:inline-flex;align-items:center;gap:6px;background:#f1f2f8;border-radius:20px;padding:5px 11px;font-size:13px}
.drop{border:2px dashed #c9d0de;border-radius:14px;padding:22px;text-align:center;background:#fafbff}
@media(max-width:1080px){.cols2,.cols3{grid-template-columns:1fr}.statgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:14px}
  .sidefoot{display:none}
  nav{display:flex;overflow-x:auto;gap:2px}
  nav button{white-space:nowrap;font-size:13px;padding:8px 10px}
  nav button .icon{width:18px;height:18px}
  .main{padding:18px 14px 40px}
  h1{font-size:25px}
  .statgrid{grid-template-columns:1fr 1fr;gap:10px}
  .stat{padding:14px}
  .stat b{font-size:22px}
  .card{padding:16px}
  table{font-size:13px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}