:root{
  --bg:#0b1020;
  --card:#121a2c;
  --card2:#182238;
  --text:#f4f7fb;
  --muted:#9aa8bc;
  --line:#25324b;
  --accent:#6ee7b7;
  --danger:#fb7185;
  --warning:#fbbf24;
  --shadow:0 18px 50px rgba(0,0,0,.24);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:
  radial-gradient(circle at 20% 0%,#16233f 0,transparent 35%),
  var(--bg);color:var(--text);min-height:100vh}
button,input,select{font:inherit}
button,a{touch-action:manipulation}
.shell{width:min(760px,100%);margin:auto;padding:20px 14px 60px}
.shell.wide{width:min(1050px,100%)}
.hidden{display:none!important}
.card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.login-card{max-width:420px;margin:12vh auto 0}
.logo{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:var(--accent);color:#062116;font-weight:900;font-size:22px;margin-bottom:18px}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:6px}
h2{margin:2px 0 0;font-size:22px}
h3{margin-bottom:14px}
.muted{color:var(--muted)}
.eyebrow{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:800}
label{display:block;margin:20px 0 8px;color:var(--muted);font-size:13px}
input,select{width:100%;background:#0c1424;border:1px solid var(--line);color:var(--text);border-radius:14px;padding:14px;outline:none}
input:focus,select:focus{border-color:var(--accent)}
button,.icon-btn{border:0;border-radius:14px;padding:12px 15px;font-weight:800;cursor:pointer;text-decoration:none}
.primary{width:100%;margin-top:12px;background:var(--accent);color:#062116}
.primary:disabled{opacity:.45;cursor:not-allowed}
.icon-btn{background:#172238;color:var(--text);border:1px solid var(--line)}
.error{color:var(--danger);margin:12px 0 0;min-height:20px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.top-actions{display:flex;gap:8px}
.period{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.pill{padding:7px 10px;border-radius:999px;background:#0c1424;border:1px solid var(--line);font-size:12px;color:var(--muted)}
.day{margin-top:14px}
.day-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:10px}
.day-name{font-weight:900;font-size:18px}
.day-date{font-size:12px;color:var(--muted)}
.shift{padding:16px;margin-top:10px;background:#10182a;border:1px solid var(--line);border-radius:18px}
.shift-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px}
.shift-time{font-weight:900;font-size:17px}
.count{font-size:12px;color:var(--muted)}
.members{display:flex;flex-wrap:wrap;gap:7px;min-height:30px}
.member{padding:7px 10px;border-radius:999px;background:#1a2941;border:1px solid #2c3c58;font-size:13px}
.member.mine{background:#12372d;border-color:#287d64;color:#b8ffe4}
.empty{font-size:13px;color:var(--muted);padding:5px 0}
.shift-actions{display:flex;gap:8px;margin-top:13px}
.shift-actions button{flex:1}
.join{background:var(--accent);color:#062116}
.leave{background:#3a1720;color:#ffd8df;border:1px solid #6b2635}
.locked{background:#2d2732;color:#cfc5d3}
.tabs{display:flex;gap:8px;overflow:auto;margin-bottom:16px;padding:9px}
.tab{white-space:nowrap;background:transparent;color:var(--muted)}
.tab.active{background:#24314a;color:var(--text)}
.grid-form{display:grid;grid-template-columns:1fr 1fr 160px 130px;gap:10px}
.grid-form .primary{margin:0}
.user-row,.stat-row,.audit-row,.history-row{margin-top:10px;background:#111a2c;border:1px solid var(--line);border-radius:16px;padding:14px}
.user-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}
.user-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.small{padding:8px 10px;border-radius:10px;background:#202c43;color:var(--text);border:1px solid var(--line)}
.danger{background:#3a1720;color:#ffd8df}
.good{color:var(--accent)}
.bad{color:var(--danger)}
.admin-shift-controls{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.admin-shift-controls select{flex:1;min-width:170px}
.admin-shift-controls .small{min-width:110px}
.history-date{font-weight:900}
.history-members{margin-top:6px;color:var(--muted)}
.stat-row{display:flex;justify-content:space-between}
.audit-row{font-size:13px}
.audit-row code{color:#cdd8ec;word-break:break-word}
@media(max-width:700px){
  .grid-form{grid-template-columns:1fr}
  .grid-form .primary{margin-top:0}
  .user-row{grid-template-columns:1fr}
  .user-actions{justify-content:flex-start}
}

textarea{
  width:100%;
  resize:vertical;
  min-height:150px;
  background:#0c1424;
  border:1px solid var(--line);
  color:var(--text);
  border-radius:14px;
  padding:14px;
  outline:none;
  font:inherit;
}
textarea:focus{border-color:var(--accent)}
.secondary{
  width:100%;
  margin-top:9px;
  background:#172238;
  color:var(--text);
  border:1px solid var(--line)
}
.activation-code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  letter-spacing:.08em;
  font-weight:900
}
.import-summary{margin-top:14px}
.import-output{
  margin-top:10px;
  white-space:pre-wrap;
  background:#0c1424;
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  max-height:360px;
  overflow:auto
}