:root{
  --bg:#0b1020; --bg2:#0e1530; --panel:#141c38; --panel2:#1a2444;
  --line:#243056; --text:#e7ecff; --muted:#8b97c4; --brand:#5fa343; --brand2:#3f7a2a;
  --ok:#2bd99f; --warn:#ffb547; --bad:#ff5c7a; --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%,#1a2350 0,transparent 60%),var(--bg);
  color:var(--text); font-size:14px; line-height:1.5;
}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted)}
.small{font-size:12px}

/* ---------- App shell ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex:0 0 248px;background:linear-gradient(180deg,var(--bg2),var(--bg));
  border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh
}
.brand{display:flex;gap:12px;align-items:center;padding:20px 18px;border-bottom:1px solid var(--line)}
.brand-mark{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:18px;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:var(--shadow)
}
.brand-name{font-weight:700;letter-spacing:.3px}
.brand-sub{font-size:11px;color:var(--muted)}
/* Logo K-Food */
.brand-logo{width:100%;display:flex;justify-content:center;padding:4px 0}
.brand-logo img{width:auto;max-width:92px;max-height:74px;object-fit:contain;display:block;
  background:#fff;border-radius:12px;padding:8px;box-shadow:var(--shadow)}
.login-logo{display:flex;justify-content:center;margin-bottom:10px}
.login-logo img{width:auto;max-width:120px;max-height:100px;object-fit:contain;
  background:#fff;border-radius:16px;padding:12px;box-shadow:var(--shadow)}
.nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow:auto}
.nav-link{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--muted);
  font-weight:500;transition:.15s
}
.nav-link:hover{background:var(--panel);color:var(--text)}
.nav-link.active{background:linear-gradient(135deg,rgba(95,163,67,.18),rgba(63,122,42,.18));color:#fff;
  box-shadow:inset 0 0 0 1px var(--line)}
.nav-ico{width:20px;text-align:center;opacity:.9}
.sidebar-foot{margin-top:auto;padding:16px 18px;border-top:1px solid var(--line)}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 28px;border-bottom:1px solid var(--line);
  background:rgba(10,14,30,.6);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5
}
.page-title{margin:0;font-size:20px;font-weight:700}
.topbar-right{display:flex;align-items:center;gap:18px}
.live{display:flex;align-items:center;gap:7px;color:var(--ok);font-size:12px;font-weight:600}
.live .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(43,217,159,.6);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(43,217,159,.5)}70%{box-shadow:0 0 0 8px rgba(43,217,159,0)}100%{box-shadow:0 0 0 0 rgba(43,217,159,0)}}
.user-chip{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand2))}
.user-name{font-weight:600;font-size:13px}
.content{padding:24px 28px;flex:1}
.footer{padding:14px 28px;border-top:1px solid var(--line)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);font-weight:600;cursor:pointer;font-size:13px;transition:.15s}
.btn:hover{background:var(--panel2)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));border:none;color:#fff}
.btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{background:transparent}
.btn-sm{padding:5px 10px;font-size:12px}

/* ---------- Cards & grid ---------- */
.grid{display:grid;gap:16px}
.grid-kpi{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 14px;font-size:15px}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.card-head h3{margin:0}
.kpi-label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.kpi-value{font-size:30px;font-weight:800;margin-top:6px}
.kpi-sub{margin-top:4px}
.kpi.ok{border-left:3px solid var(--ok)}
.kpi.warn{border-left:3px solid var(--warn)}
.kpi.bad{border-left:3px solid var(--bad)}
.kpi.brand{border-left:3px solid var(--brand)}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.badge-ok{background:rgba(43,217,159,.14);color:var(--ok)}
.badge-warn{background:rgba(255,181,71,.14);color:var(--warn)}
.badge-bad{background:rgba(255,92,122,.14);color:var(--bad)}
.badge-muted{background:rgba(139,151,196,.14);color:var(--muted)}

/* ---------- Tables ---------- */
.table-wrap{overflow:auto;border-radius:12px;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{text-align:left;padding:11px 14px;background:var(--bg2);color:var(--muted);
  font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.5px;position:sticky;top:0}
tbody td{padding:11px 14px;border-top:1px solid var(--line)}
tbody tr:hover{background:rgba(95,163,67,.05)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}

/* ---------- Meters ---------- */
.meter{height:7px;border-radius:999px;background:var(--bg2);overflow:hidden;min-width:90px}
.meter > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.meter.warn > i{background:linear-gradient(90deg,#ffb547,#ff8a47)}
.meter.bad  > i{background:linear-gradient(90deg,#ff5c7a,#ff3d6a)}

/* ---------- Location tiles ---------- */
.tiles{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.tile{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:14px;padding:16px;position:relative;overflow:hidden}
.tile .tile-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.tile .loc-name{font-weight:700}
.tile .loc-type{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.tile .tile-stats{display:flex;gap:16px;margin-top:14px}
.tile .ts-val{font-weight:700;font-size:16px}
.tile .ts-lbl{font-size:11px;color:var(--muted)}
.tile.is-off{opacity:.85;border-color:rgba(255,92,122,.4)}
.tile .stripe{position:absolute;left:0;top:0;bottom:0;width:4px}
.stripe.online{background:var(--ok)} .stripe.offline{background:var(--bad)}
.stripe.atentie{background:var(--warn)} .stripe.critic{background:var(--bad)}

/* ---------- Chat / AI ---------- */
.chat{display:flex;flex-direction:column;height:480px}
.chat-log{flex:1;overflow:auto;display:flex;flex-direction:column;gap:14px;padding:6px 2px}
.msg{display:flex;gap:10px;max-width:88%}
.msg .ava{width:30px;height:30px;border-radius:8px;flex:0 0 30px;display:grid;place-items:center;font-size:13px;color:#fff}
.msg.ai .ava{background:linear-gradient(135deg,var(--brand),var(--brand2))}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.msg.me .ava{background:#2a3766}
.bubble{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:11px 14px}
.msg.me .bubble{background:linear-gradient(135deg,rgba(95,163,67,.2),rgba(63,122,42,.2))}
.bubble h4{margin:0 0 6px;font-size:13px}
.bubble ul{margin:6px 0 0;padding-left:18px}
.chat-input{display:flex;gap:10px;margin-top:14px}
.chat-input input{flex:1;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--text);font-size:14px}
.chat-input input:focus{outline:none;border-color:var(--brand)}
.suggest{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.chip{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--panel);cursor:pointer;font-size:12px;color:var(--muted)}
.chip:hover{color:var(--text);border-color:var(--brand)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(900px 500px at 50% -10%,#1c2a5e 0,transparent 60%),var(--bg)}
.login-card{width:100%;max-width:400px;background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);border-radius:18px;padding:34px 30px;box-shadow:var(--shadow)}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.login-brand .brand-mark{width:44px;height:44px;font-size:22px}
.login-title{font-size:22px;font-weight:800;margin:18px 0 4px}
.login-sub{color:var(--muted);margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--text);font-size:15px}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(95,163,67,.15)}
.login-err{background:rgba(255,92,122,.12);color:var(--bad);border:1px solid rgba(255,92,122,.3);
  padding:10px 14px;border-radius:10px;margin-bottom:16px;font-size:13px}
.login-hint{margin-top:18px;font-size:12px;color:var(--muted);text-align:center}
.w-full{width:100%;justify-content:center;padding:13px}

/* ---------- Utils ---------- */
.row{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.mt{margin-top:18px}.mb{margin-bottom:18px}
.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:26px 0 12px}
.link{color:var(--brand);font-weight:600}
canvas{max-width:100%}

@media(max-width:880px){
  .sidebar{display:none}
  .content{padding:16px}
}