:root{
  --bg:#eef1f7; --blob1:#a5c8ff; --blob2:#ffc9e3; --blob3:#c7f0dd;
  --glass:rgba(255,255,255,.62); --glass-strong:rgba(255,255,255,.82); --glass-border:rgba(255,255,255,.75);
  --line:rgba(15,23,42,.08); --text:#0f172a; --muted:#64748b; --faint:#94a3b8;
  --accent:#0a84ff; --accent-soft:rgba(10,132,255,.12); --accent-text:#0060c7;
  --ok:#1f9d55; --ok-soft:rgba(52,199,89,.15); --err:#d70015; --err-soft:rgba(255,59,48,.12);
  --warn:#a35c00; --warn-soft:rgba(255,159,10,.16); --neutral-soft:rgba(120,120,128,.12);
  --shadow:0 8px 32px rgba(15,23,42,.08); --r:18px; --r-sm:11px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0b0d12; --blob1:#1e3a8a; --blob2:#6b2150; --blob3:#0f5132;
  --glass:rgba(28,30,38,.62); --glass-strong:rgba(36,38,48,.86); --glass-border:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.08); --text:#f1f5f9; --muted:#9aa4b2; --faint:#6b7280;
  --accent:#0a84ff; --accent-soft:rgba(10,132,255,.2); --accent-text:#64b5ff;
  --ok:#30d158; --ok-soft:rgba(48,209,88,.16); --err:#ff6961; --err-soft:rgba(255,69,58,.18);
  --warn:#ffb340; --warn-soft:rgba(255,159,10,.18); --neutral-soft:rgba(255,255,255,.08);
  --shadow:0 8px 32px rgba(0,0,0,.35);
}}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{font:15px/1.55 var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden}
body::before{content:"";position:fixed;inset:-20%;z-index:-1;
  background:radial-gradient(40% 35% at 15% 20%,var(--blob1),transparent 70%),
             radial-gradient(35% 30% at 85% 15%,var(--blob2),transparent 70%),
             radial-gradient(40% 35% at 70% 85%,var(--blob3),transparent 70%);
  filter:blur(40px);opacity:.75}
a{color:var(--accent-text);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:26px;font-weight:650;letter-spacing:-.02em;margin:0}
h2{font-size:17px;font-weight:600;margin:0 0 14px;letter-spacing:-.01em}
.muted{color:var(--muted)} .small{font-size:13px} .faint{color:var(--faint)}
.glass{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r);
  backdrop-filter:blur(24px) saturate(170%);-webkit-backdrop-filter:blur(24px) saturate(170%);box-shadow:var(--shadow)}

/* layout */
.app{display:grid;grid-template-columns:250px minmax(0,1fr);gap:18px;padding:18px;min-height:100vh}
.side{position:sticky;top:18px;height:calc(100vh - 36px);display:flex;flex-direction:column;padding:16px 12px;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;font-weight:650;font-size:16px}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#0a84ff,#5e5ce6);display:grid;place-items:center;color:#fff}
.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);padding:14px 10px 6px}
.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;color:var(--text);font-size:14px}
.nav a:hover{background:var(--neutral-soft);text-decoration:none}
.nav a.on{background:var(--glass-strong);box-shadow:0 1px 3px rgba(0,0,0,.06);font-weight:550}
.nav .ic{width:18px;height:18px;color:var(--muted)} .nav a.on .ic{color:var(--accent)}
.side-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:12px;display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:var(--accent-text);display:grid;place-items:center;font-weight:600;font-size:13px;flex:none}
.main{min-width:0;display:flex;flex-direction:column;gap:18px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 4px;flex-wrap:wrap}
.panel{padding:20px 22px}
.grid{display:grid;gap:18px}
.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.cols-3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.stat{padding:16px 18px} .stat .n{font-size:26px;font-weight:650;letter-spacing:-.02em} .stat .l{font-size:13px;color:var(--muted)}

/* app tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.tile{display:flex;flex-direction:column;gap:12px;padding:20px;color:var(--text);transition:transform .15s,box-shadow .15s}
.tile:hover{transform:translateY(-2px);text-decoration:none}
.tile .ti{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.tile .ti svg{width:24px;height:24px}
.tile{position:relative}
.tile-link{color:inherit}
.tile-link::after{content:"";position:absolute;inset:0;border-radius:inherit}
.tile-link:hover{text-decoration:none}
.tile-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-top:auto}
.tile-ext{position:relative;z-index:1}

/* forms */
label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
.field{margin-bottom:14px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=search],select,input[type=file],textarea{
  width:100%;height:40px;padding:0 12px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--glass-strong);color:var(--text);font:inherit;outline:none;transition:border-color .15s,box-shadow .15s}
input[type=file]{padding:8px 12px;height:auto}
textarea{height:auto;padding:10px 12px;line-height:1.45;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.check{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text);margin:8px 0}
.check input{width:18px;height:18px;accent-color:var(--accent)}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.btn{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--glass-strong);color:var(--text);font:inherit;font-size:14px;font-weight:550;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--faint);text-decoration:none}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{filter:brightness(1.06)}
.btn-danger{color:var(--err)} .btn-sm{height:30px;padding:0 12px;font-size:13px}
.btn svg{width:16px;height:16px}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.inline{display:inline}

/* tables */
.table-wrap{overflow-x:auto;margin:0 -6px}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-weight:500;font-size:12px;color:var(--faint);text-transform:uppercase;letter-spacing:.04em;padding:8px 6px;border-bottom:1px solid var(--line)}
td{padding:10px 6px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:none}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:550;background:var(--neutral-soft);color:var(--muted);white-space:nowrap}
.b-ok{background:var(--ok-soft);color:var(--ok)} .b-err{background:var(--err-soft);color:var(--err)}
.b-warn{background:var(--warn-soft);color:var(--warn)} .b-acc{background:var(--accent-soft);color:var(--accent-text)}
select.level{height:32px;font-size:13px;padding:0 8px;min-width:120px}

/* alerts */
.alert{padding:12px 16px;border-radius:14px;font-size:14px;border:1px solid transparent}
.alert-ok{background:var(--ok-soft);color:var(--ok)} .alert-warn{background:var(--warn-soft);color:var(--warn)}
.alert-err{background:var(--err-soft);color:var(--err)}
.error{color:var(--err);font-size:13px;margin-top:5px}

/* auth */
.auth{min-height:100vh;display:grid;place-items:center;padding:20px}
.auth-card{width:100%;max-width:400px;padding:30px}
.auth-card .brand{justify-content:center;padding-bottom:6px}
.code-input{letter-spacing:.5em;text-align:center;font-size:22px !important;height:52px !important}
.secret{font-family:ui-monospace,Menlo,monospace;font-size:14px;background:var(--neutral-soft);padding:8px 12px;border-radius:10px;word-break:break-all}
.qr{background:#fff;padding:10px;border-radius:12px;display:inline-block}
.pagination{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px;font-size:13px}
.pagination a,.pagination span{padding:4px 10px;border-radius:8px;background:var(--neutral-soft)}

.menu-btn{display:none}
@media (max-width:860px){
  .app{grid-template-columns:1fr;padding:12px}
  .side{position:static;height:auto;display:none}
  body.nav-open .side{display:flex}
  .menu-btn{display:inline-flex}
}
/* Požadavky na heslo */
.pw-rules{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--faint)}
.pw-rules li::before{content:"○";display:inline-block;width:1.2em;color:var(--faint)}
.pw-rules li.ok{color:var(--ok)} .pw-rules li.ok::before{content:"✓";color:var(--ok)}