:root{
  --bg:#eef1f5; --surface:#ffffff; --ink:#16202b; --muted:#647386; --line:#e2e8f0;
  --brand:#143a5a; --brand-ink:#ffffff; --accent:#1d6fb8; --accent-ink:#fff;
  --ok:#1a7f37; --ok-bg:#e7f4ea; --warn:#9a6700; --warn-bg:#fdf3da;
  --bad:#b3261e; --bad-bg:#fbe9e7; --info:#0b5cad; --info-bg:#e6f0fa;
  --radius:14px; --shadow:0 1px 2px rgba(16,32,48,.06), 0 6px 24px rgba(16,32,48,.06);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:15px; line-height:1.5;
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .4em; line-height:1.25}

/* ---- nav ---- */
.nav{
  display:flex; align-items:center; gap:18px; padding:0 22px; height:60px;
  background:var(--brand); color:var(--brand-ink); position:sticky; top:0; z-index:10;
}
.brand{color:#fff; font-weight:700; font-size:18px; letter-spacing:.02em}
.brand:hover{text-decoration:none; opacity:.92}
.navlinks{display:flex; gap:6px; margin-left:8px; flex:1}
.navlinks a{color:#dbe6f2; padding:6px 12px; border-radius:8px; font-weight:500}
.navlinks a:hover{background:rgba(255,255,255,.12); color:#fff; text-decoration:none}
.navuser{display:flex; align-items:center; gap:12px}
.userchip{display:flex; align-items:center; gap:8px; color:#fff; font-weight:500}
.userchip:hover{text-decoration:none; opacity:.9}

/* ---- layout ---- */
.wrap{max-width:1040px; margin:0 auto; padding:26px 22px 60px}
.pagetitle{font-size:26px; font-weight:700}
.lead{color:var(--muted); margin:0 0 22px}
.muted{color:var(--muted)} .small{font-size:13px}

/* ---- cards / grid ---- */
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:18px}
.card{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); margin-bottom:18px}
.card.narrow{max-width:520px}
.card.tool{display:block; transition:transform .08s ease, box-shadow .12s ease; border-top:3px solid var(--accent)}
.card.tool:hover{transform:translateY(-2px); box-shadow:0 8px 30px rgba(16,32,48,.12); text-decoration:none}
.card.tool .ic{font-size:30px; margin-bottom:8px}
.card.tool h2{font-size:18px; color:var(--ink)}
.card.tool p{color:var(--muted); margin:.3em 0 0; font-size:14px}
.admincard{border-top-color:var(--brand)}

/* ---- buttons ---- */
.btn{display:inline-flex; align-items:center; gap:6px; font:inherit; cursor:pointer;
  border:1px solid var(--line); background:#fff; color:var(--ink); border-radius:9px; padding:9px 14px; font-weight:500}
.btn:hover{border-color:#b7c2cd; text-decoration:none}
.btn.primary{background:var(--accent); color:var(--accent-ink); border-color:var(--accent)}
.btn.primary:hover{background:#185f9f}
.btn.ghost{background:transparent; border-color:rgba(255,255,255,.5); color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.14)}
.btn.small{padding:5px 10px; font-size:13px; border-radius:8px}
.btn.block{width:100%; justify-content:center; margin-top:10px}
.btn.danger{color:var(--bad); border-color:#e7b4b0}
.btn.danger:hover{background:var(--bad-bg)}
.inline{display:inline}

/* ---- forms ---- */
label{display:block; font-size:13px; color:var(--muted); margin:12px 0 4px}
.input{width:100%; font:inherit; padding:9px 11px; border:1px solid var(--line); border-radius:9px; background:#fff; color:var(--ink)}
.input:focus{outline:2px solid var(--accent); outline-offset:0; border-color:var(--accent)}
.input.small{width:auto; padding:5px 8px; font-size:13px}
select.input{appearance:auto}
.err{color:var(--bad); font-size:13px; margin-top:4px}
.formrow{display:flex; flex-wrap:wrap; gap:12px; align-items:flex-end}
.formrow .field{flex:1; min-width:150px}
.formrow label{margin-top:0}

/* ---- auth ---- */
.authwrap{max-width:380px; margin:6vh auto 0}
.authcard{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:30px; box-shadow:var(--shadow)}
.authbrand{font-weight:700; color:var(--brand); font-size:18px; margin-bottom:14px}
.authcard h1{font-size:22px}
.authnote{text-align:center; color:var(--muted); font-size:12px; margin-top:16px}

/* ---- flashes ---- */
.flashes{margin-bottom:18px; display:flex; flex-direction:column; gap:8px}
.flash{padding:11px 14px; border-radius:10px; border:1px solid var(--line); font-size:14px}
.flash.error{background:var(--bad-bg); border-color:#e7b4b0; color:#7d1a14}
.flash.success{background:var(--ok-bg); border-color:#bfe3c8; color:#155f29}
.flash.info{background:var(--info-bg); border-color:#bcd8f3; color:#0b4a8a}

/* ---- badges / pills ---- */
.rolebadge{display:inline-block; font-size:12px; font-weight:600; padding:2px 9px; border-radius:999px; background:#eef2f6; color:var(--muted)}
.role-owner{background:#efe3ff; color:#5a2ca0}
.role-admin{background:#e6f0fa; color:#0b5cad}
.role-user{background:#eef2f6; color:#475569}
.pill{display:inline-block; font-size:12px; padding:2px 9px; border-radius:999px}
.pill.ok{background:var(--ok-bg); color:var(--ok)}
.pill.off{background:#f1f3f6; color:var(--muted)}

/* ---- tables ---- */
.usertable{width:100%; border-collapse:collapse}
.usertable th,.usertable td{text-align:left; padding:11px 10px; border-bottom:1px solid var(--line); vertical-align:middle}
.usertable th{font-size:12px; text-transform:uppercase; letter-spacing:.03em; color:var(--muted)}
.usertable tr.inactive{opacity:.55}
.usertable .uname{font-weight:600}
.usertable td.actions{white-space:nowrap}
.usertable td.actions form{margin-right:6px}
.kv{display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px solid var(--line)}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted)}

/* ---- tool frame ---- */
.toolbar{display:flex; align-items:center; gap:14px; margin-bottom:14px}
.toolname{font-size:20px; margin:0}
.toolframe{width:100%; height:calc(100vh - 170px); min-height:620px; border:1px solid var(--line); border-radius:var(--radius); background:#fff; box-shadow:var(--shadow)}

/* ---- 2FA ---- */
.qrbox{display:flex;justify-content:center;padding:14px 0}
.qrbox svg{width:220px;height:220px}
.codes{columns:2;list-style:none;padding:0;margin:14px 0;font-family:Consolas,"Courier New",monospace;font-size:15px}
.codes li{padding:4px 0}
.steps{padding-left:18px;color:var(--muted)}
.steps li{margin:5px 0}
code{background:#eef2f6;padding:2px 6px;border-radius:6px;font-family:Consolas,"Courier New",monospace;font-size:13px}

/* ---- error pages ---- */
.errpage{text-align:center; padding:60px 0}
.errpage h1{font-size:64px; color:var(--brand); margin:0}
.errpage p{color:var(--muted); margin:6px 0 20px}

@media (max-width:560px){
  .nav{gap:10px; padding:0 14px}
  .navlinks{margin-left:0}
  .wrap{padding:18px 14px 50px}
}