:root{
  /* Lighter dark-gray theme (requested: deutlich heller, aber nicht zu hell) */
  --bg:#1f2937;           /* gray-800 */
  --bg2:#111827;          /* slate-900 */
  --card:#2b3648;         /* custom mid-dark */
  --card2:#334155;        /* slate-700 */
  --muted:#d1d5db;        /* gray-300 */
  --text:#f9fafb;         /* gray-50 */
  --line:rgba(255,255,255,.14);
  --brand:#60a5fa;
  --danger:#ef4444;
  --ok:#22c55e;
  --warn:#f59e0b;
  --shadow:0 10px 30px rgba(0,0,0,.22);
  --radius:18px;
  --container:1100px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1100px 720px at 10% 0%, rgba(96,165,250,.22), transparent 62%),
    radial-gradient(1100px 720px at 90% 0%, rgba(34,197,94,.14), transparent 62%),
    radial-gradient(1200px 900px at 50% 120%, rgba(255,255,255,.07), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.06), transparent 40%),
    var(--bg);
  color:var(--text);
}

a{color:inherit}
code{background:rgba(255,255,255,.07);padding:2px 6px;border-radius:8px;border:1px solid var(--line)}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:24px;
}

/* Top bar */
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(31,41,55,.78); /* lighter than before */
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  max-width:var(--container);
  margin:0 auto;
  padding:14px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.brand{font-weight:850;letter-spacing:.2px;text-decoration:none}

.nav{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.nav a{text-decoration:none;color:var(--text);opacity:.92}
.nav a:hover{opacity:1}
.nav__sep{width:1px;height:18px;background:var(--line)}
.nav__user{color:var(--muted);font-size:.92rem;opacity:.95}

/* Cards & layout */
.card{
  background: rgba(43,54,72,.90);   /* card */
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
}
.card__bd{padding:18px}

.grid{display:grid;gap:14px}
.grid.cols2{grid-template-columns:1fr 1fr}

.h1{font-size:1.35rem;margin:0 0 6px 0}
.p{margin:0;color:var(--muted);line-height:1.55}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  padding:10px 14px;border-radius:14px;
  border:1px solid rgba(96,165,250,.42);
  background: rgba(96,165,250,.16);
  color:var(--text);
  text-decoration:none;
  cursor:pointer;
}
.btn:hover{background: rgba(96,165,250,.22)}
.btn--ghost{border-color:var(--line);background: rgba(255,255,255,.06)}
.btn--ghost:hover{background: rgba(255,255,255,.08)}
.btn--danger{border-color: rgba(239,68,68,.52);background: rgba(239,68,68,.16)}
.btn--danger:hover{background: rgba(239,68,68,.22)}
.btn--ok{border-color: rgba(34,197,94,.52);background: rgba(34,197,94,.16)}
.btn--ok:hover{background: rgba(34,197,94,.22)}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spread{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.hr{height:1px;background:var(--line);margin:14px 0}

/* Flash messages */
.flash{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.07);
  margin:0 0 14px 0
}
.flash--error{border-color:rgba(239,68,68,.55)}
.flash--ok{border-color:rgba(34,197,94,.55)}
.flash--warn{border-color:rgba(245,158,11,.55)}

/* Forms */
.form{display:grid;gap:12px}
.input, select{
  width:100%;
  padding:11px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.07);
  color: var(--text);
  outline:none;
}
.input:focus, select:focus{
  border-color: rgba(96,165,250,.60);
  box-shadow: 0 0 0 3px rgba(96,165,250,.18);
}
label{font-size:.92rem;color:var(--muted)}

/* Tables - mobile friendly */
.table{
  width:100%;
  border-collapse:collapse;
}
.table th,.table td{
  padding:10px 8px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top
}
.table th{
  color:var(--muted);
  font-weight:650;
  font-size:.85rem
}
.table tr:hover td{
  background: rgba(255,255,255,.04);
}
.table-wrap{overflow-x:auto;border-radius:14px;border:1px solid var(--line); background: rgba(255,255,255,.03)}
.table-wrap .table{min-width:720px}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  color:var(--muted);
  font-size:.82rem
}

.breadcrumb a{text-decoration:none;color:var(--muted)}
.breadcrumb a:hover{color:var(--text)}

.footer{border-top:1px solid var(--line);margin-top:34px}
.footer__inner{
  max-width:var(--container);
  margin:0 auto;
  padding:18px 24px;
  color:var(--muted)
}
.small{color:var(--muted);font-size:.92rem}

/* ===== Mobile tuning ===== */
@media (max-width: 820px){
  .grid.cols2{grid-template-columns:1fr}
}

@media (max-width: 520px){
  .container{padding:14px}
  .topbar__inner{padding:12px 14px;flex-direction:column;align-items:flex-start}
  .nav{width:100%;gap:10px;flex-wrap:nowrap;overflow:auto;padding-bottom:2px}
  .nav a{white-space:nowrap}
  .card__bd{padding:14px}
  .btn{padding:10px 12px;border-radius:14px}
  .input,select{padding:11px 12px;border-radius:14px}
  .h1{font-size:1.2rem}
  .spread{align-items:flex-start}
}