/* ============================================================
   AnalyzAir – Oberfläche
   Kühle "Klare-Luft"-Palette: Nachtblau (dark) / helles Blaugrau (light),
   Cyan als Markenakzent, Ampelfarben nur für Messwert-Status.
   Klassennamen sind stabil – nur das Aussehen ändert sich.
   ============================================================ */

:root{
  --bg:#0B1120; --bg-soft:#0E1626;
  --card:#121B2E; --card-raised:#16213A;
  --text:#E9EFF8; --muted:#93A5BE; --faint:#5D6F8A;
  --border:#20304B; --border-soft:#1A2740;
  --accent:#55C7F2;            /* Links, aktive Elemente */
  --accent-strong:#0E82AC;     /* Button-Flächen (weiße Schrift lesbar) */
  --accent-soft:rgba(85,199,242,.12);
  --good:#34D399; --warn:#FBBF24; --bad:#F87171;
  --good-soft:rgba(52,211,153,.14); --warn-soft:rgba(251,191,36,.14);
  --bad-soft:rgba(248,113,113,.14); --muted-soft:rgba(147,165,190,.10);
  --shadow:0 1px 2px rgba(2,8,20,.5), 0 12px 32px -12px rgba(2,8,20,.55);
  --shadow-pop:0 24px 48px -12px rgba(2,8,20,.65);
  --radius:14px;
  --atmo:radial-gradient(120% 90% at 0% 0%, rgba(85,199,242,.16), transparent 55%),
         radial-gradient(100% 80% at 100% 0%, rgba(52,211,153,.08), transparent 50%);
}
:root.light{
  --bg:#F2F5FA; --bg-soft:#EAEFF6;
  --card:#FFFFFF; --card-raised:#FFFFFF;
  --text:#152238; --muted:#5A6B84; --faint:#8B99AE;
  --border:#DDE5F0; --border-soft:#E7EDF5;
  --accent:#0B7FA8;
  --accent-strong:#0B7FA8;
  --accent-soft:rgba(11,127,168,.10);
  --good:#0E9F6E; --warn:#B45309; --bad:#DC2626;
  --good-soft:rgba(14,159,110,.11); --warn-soft:rgba(180,83,9,.11);
  --bad-soft:rgba(220,38,38,.10); --muted-soft:rgba(90,107,132,.09);
  --shadow:0 1px 2px rgba(21,34,56,.06), 0 10px 28px -10px rgba(21,34,56,.14);
  --shadow-pop:0 24px 48px -12px rgba(21,34,56,.22);
  --atmo:radial-gradient(120% 90% at 0% 0%, rgba(11,127,168,.10), transparent 55%),
         radial-gradient(100% 80% at 100% 0%, rgba(14,159,110,.07), transparent 50%);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
  font-size:14.5px;line-height:1.5}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:var(--accent-soft)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* ---------- App-Shell ---------- */
.shell{display:flex;min-height:100svh}
.sidebar{width:242px;flex-shrink:0;display:flex;flex-direction:column;
  background:var(--bg-soft);border-right:1px solid var(--border-soft)}
.brand{position:relative;padding:22px 18px 20px;font-size:19px;font-weight:800;
  letter-spacing:-.02em;background:var(--atmo);
  border-bottom:1px solid var(--border-soft)}
.brand::after{content:"";position:absolute;left:18px;bottom:12px;width:34px;height:3px;
  border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.sidebar nav{padding:12px 10px;overflow-y:auto}

.navlink{display:flex;align-items:center;gap:10px;padding:9px 12px;margin:2px 0;
  border-radius:10px;color:var(--muted);font-weight:500;position:relative;
  transition:background .12s,color .12s}
.navlink:hover{background:var(--muted-soft);color:var(--text);text-decoration:none}
.navlink.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.navlink.active::before{content:"";position:absolute;left:-10px;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent)}
.navlink.sub{padding-left:34px;font-size:13.5px}
.nav-ico{width:18px;height:18px;object-fit:contain;flex-shrink:0}

/* Menügruppen (auf-/einklappbar) */
.navgroup-wrap{margin-top:10px}
.navgroup{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;
  border:none;background:none;color:var(--faint);font:inherit;font-size:12.5px;
  font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;
  border-radius:10px}
.navgroup:hover{color:var(--text);background:var(--muted-soft)}
.navgroup .chev{margin-left:auto;font-size:11px;transition:transform .15s}
.navgroup-items{overflow:hidden}
.navgroup-wrap.collapsed .navgroup-items{display:none}
.navgroup-wrap.collapsed .chev{transform:rotate(-90deg)}

/* ---------- Kopfzeile ---------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:12px;
  padding:12px 22px;background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-soft)}
.topbar-title{font-size:17px;font-weight:700;letter-spacing:-.01em;flex:1;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:8px}
.burger{display:none;background:none;border:none;color:var(--text);font-size:22px;
  cursor:pointer;padding:4px 8px;border-radius:8px}
.content{padding:22px;max-width:1400px;width:100%}

/* ---------- Dropdowns ---------- */
.dropdown{position:relative}
.dropdown-menu{display:none;position:absolute;right:0;top:calc(100% + 8px);
  background:var(--card-raised);border:1px solid var(--border);border-radius:12px;
  min-width:200px;box-shadow:var(--shadow-pop);z-index:60;overflow:hidden;padding:6px}
.dropdown-menu.open{display:block}
.dropdown-menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--text);font-size:14px}
.dropdown-menu a:hover{background:var(--muted-soft);text-decoration:none}
.iconbtn,.userbtn{display:inline-flex;align-items:center;gap:6px;
  background:var(--card);color:var(--text);border:1px solid var(--border);
  padding:8px 11px;border-radius:10px;cursor:pointer;font:inherit;font-size:13.5px;
  transition:border-color .12s,background .12s}
.iconbtn:hover,.userbtn:hover{border-color:var(--accent)}
.userbtn{max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Karten & KPIs ---------- */
.card{background:var(--card);border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);margin-bottom:18px}
.card h2,.card h3{letter-spacing:-.01em}
.kpi-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));margin-bottom:18px}
.kpi-card{background:var(--card);border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow)}
.kpi-card .label{color:var(--muted);font-size:12px;font-weight:600;
  letter-spacing:.05em;text-transform:uppercase}
.kpi-card .val{font-size:28px;font-weight:800;margin-top:6px;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums}
.kpi-card .small{margin-top:4px}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:10px}
.kpi{padding:12px 10px;border-radius:12px;text-align:center;
  background:var(--muted-soft);border:1px solid var(--border-soft)}
.kpi .label{font-size:11.5px;color:var(--muted);font-weight:600}
.kpi .val{font-size:19px;font-weight:800;margin-top:2px;font-variant-numeric:tabular-nums}
.kpi.good{background:var(--good-soft);border-color:transparent}
.kpi.good .val{color:var(--good)}
.kpi.warn{background:var(--warn-soft);border-color:transparent}
.kpi.warn .val{color:var(--warn)}
.kpi.bad{background:var(--bad-soft);border-color:transparent}
.kpi.bad .val{color:var(--bad)}

.good{background:var(--good-soft)} .warn{background:var(--warn-soft)}
.bad{background:var(--bad-soft)} .muted{background:var(--muted-soft)}
.text-muted{color:var(--muted)}
.small{font-size:12.5px;color:var(--muted)}

/* Status-Punkte & Chips */
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:7px}
.dot.good{background:var(--good);box-shadow:0 0 0 3px var(--good-soft)}
.dot.bad{background:var(--bad);box-shadow:0 0 0 3px var(--bad-soft)}
.dot.muted{background:var(--faint)}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.4}
.badge.good{background:var(--good-soft);color:var(--good)}
.badge.warn{background:var(--warn-soft);color:var(--warn)}
.badge.bad{background:var(--bad-soft);color:var(--bad)}

/* ---------- Meldungen ---------- */
.banner{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:12px;margin-bottom:12px;
  background:var(--card);border:1px solid var(--border);border-left:4px solid var(--accent);
  box-shadow:var(--shadow)}
.banner.warning{border-left-color:var(--warn)}
.banner.maintenance{border-left-color:var(--bad)}
.banner .close{background:none;border:none;color:var(--muted);cursor:pointer;
  font-size:15px;padding:2px 6px;border-radius:6px}
.banner .close:hover{color:var(--text);background:var(--muted-soft)}
.msg{margin:10px 0;padding:11px 14px;border-radius:10px;font-size:14px;
  background:var(--accent-soft);border:1px solid transparent;color:var(--text)}
.msg.err{background:var(--bad-soft);color:var(--bad)}

/* ---------- Formulare ---------- */
label{display:block;font-size:13px;font-weight:500;margin:12px 0 6px;color:var(--muted)}
input,select,textarea{width:100%;padding:9px 12px;border:1px solid var(--border);
  border-radius:10px;background:var(--bg);color:var(--text);font:inherit;font-size:14px;
  transition:border-color .12s,box-shadow .12s}
:root.light input,:root.light select,:root.light textarea{background:#FBFCFE}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft)}
input[type=checkbox]{width:auto;accent-color:var(--accent-strong)}
input[readonly]{color:var(--muted)}
code{background:var(--muted-soft);padding:1px 6px;border-radius:6px;font-size:.92em}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 16px;border-radius:10px;border:1px solid transparent;
  background:var(--accent-strong);color:#fff;font:inherit;font-size:14px;font-weight:600;
  cursor:pointer;transition:filter .12s,transform .05s;text-decoration:none}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn.secondary{background:var(--card);color:var(--text);border-color:var(--border)}
.btn.secondary:hover{border-color:var(--accent);filter:none;color:var(--accent)}
.btn.danger{background:transparent;color:var(--bad);border-color:currentColor}
.btn.danger:hover{background:var(--bad);color:#fff;border-color:transparent;filter:none}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

.form-narrow{max-width:480px}
.inline-form{display:inline-block;vertical-align:middle}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row > div{flex:1;min-width:150px}
.checkline{display:flex;gap:9px;align-items:center;color:var(--text);
  font-size:14px;font-weight:400;margin:10px 0;cursor:pointer}
.checkline input{width:16px;height:16px;margin:0;flex-shrink:0}

/* ---------- Tabellen ---------- */
.table-wrap{overflow-x:auto;margin:0 -4px;padding:0 4px}
table.data{border-collapse:collapse;width:100%;font-size:14px}
table.data th,table.data td{padding:10px 12px;text-align:left;white-space:nowrap;
  border-bottom:1px solid var(--border-soft)}
table.data th{color:var(--muted);font-size:12px;font-weight:700;
  letter-spacing:.05em;text-transform:uppercase;user-select:none}
table.data th[data-sort]{cursor:pointer}
table.data th[data-sort]:hover{color:var(--text)}
table.data th[data-dir="asc"]::after{content:" ▲";font-size:9px;color:var(--accent)}
table.data th[data-dir="desc"]::after{content:" ▼";font-size:9px;color:var(--accent)}
table.data td{font-variant-numeric:tabular-nums}
table.data tbody tr{transition:background .1s}
table.data tbody tr:hover{background:var(--muted-soft)}
table.data tbody tr:last-child td{border-bottom:none}

.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar input[type=search]{max-width:260px}
.toolbar .spacer{flex:1}

/* Zahnrad-Panel (Spaltenkonfiguration) */
.gear-panel{display:none;position:absolute;right:0;top:calc(100% + 8px);z-index:50;
  background:var(--card-raised);border:1px solid var(--border);border-radius:12px;
  padding:12px;min-width:240px;box-shadow:var(--shadow-pop)}
.gear-panel.open{display:block}
.gear-item{display:flex;align-items:center;gap:9px;padding:7px 9px;border-radius:8px;
  cursor:grab;border:1px solid transparent;font-size:14px}
.gear-item:hover{background:var(--muted-soft)}
.gear-item.dragging{opacity:.5;border-color:var(--accent)}
.gear-item .grip{color:var(--faint);cursor:grab;letter-spacing:-2px}

/* ---------- Diagramme ---------- */
.chart-wrap{background:var(--bg);border:1px solid var(--border-soft);
  border-radius:12px;padding:10px;height:280px;margin:6px 0 16px}
:root.light .chart-wrap{background:#FBFCFE}
.section-title{margin:18px 0 8px;font-weight:700;font-size:15px;letter-spacing:-.01em}

/* ---------- Auth-Seiten (Login, Reset, MFA) ---------- */
.auth-body{display:grid;place-items:center;min-height:100svh;background:var(--bg)}
.auth-body::before{content:"";position:fixed;inset:0;background:var(--atmo);pointer-events:none}
.auth-wrapper{width:100%;max-width:430px;margin:24px;padding:0 8px;position:relative}
.auth-card{padding:28px;box-shadow:var(--shadow-pop)}
.auth-title{margin:0 0 16px;font-size:24px;font-weight:800;letter-spacing:-.02em}
.auth-title::after{content:"";display:block;width:38px;height:3px;margin-top:10px;
  border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.codes{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-family:ui-monospace,Consolas,monospace;
  font-size:14px;background:var(--bg);border:1px solid var(--border);
  border-radius:10px;padding:14px;margin:12px 0}

/* ---------- Plattform-Admin ---------- */
.admin-shell{padding:22px;max-width:1320px;margin:0 auto}
.admin-topnav{display:flex;gap:4px;align-items:center;flex-wrap:wrap;margin-bottom:20px;
  padding:10px 14px;background:var(--card);border:1px solid var(--border-soft);
  border-radius:var(--radius);box-shadow:var(--shadow)}
.admin-topnav .admin-brand{font-weight:800;font-size:16px;letter-spacing:-.01em;margin-right:12px}
.admin-topnav a{padding:7px 12px;border-radius:8px;color:var(--muted);font-weight:500}
.admin-topnav a:hover{background:var(--muted-soft);color:var(--text);text-decoration:none}
.admin-topnav .spacer{flex:1}
.admin-page-title{margin:0 0 16px;font-size:21px;font-weight:800;letter-spacing:-.02em}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .sidebar{position:fixed;left:-260px;top:0;bottom:0;z-index:100;transition:left .2s;width:250px}
  .sidebar.open{left:0;box-shadow:var(--shadow-pop)}
  .burger{display:block}
  .content{padding:14px}
  .chart-wrap{height:240px}
  .userbtn{max-width:130px}
  .topbar{padding:10px 14px}
  .card{padding:16px}
}