/* PLMS — dunkles, futuristisches UI ("Jarvis") */
:root {
  --bg: #070b12;
  --panel: rgba(20, 30, 46, .55);
  --line: rgba(64, 220, 255, .18);
  --accent: #40dcff;
  --accent-dim: rgba(64, 220, 255, .55);
  --text: #dbe7f4;
  --muted: #7d93ab;
  --danger: #ff5d7a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { color-scheme: dark; }
body {
  font: 16px/1.6 -apple-system, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
body.center { display: grid; place-items: center; padding: 24px; }

/* Hintergrund: feines Gitter + Glow */
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(64,220,255,.13), transparent 60%),
    linear-gradient(rgba(64,220,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64,220,255,.045) 1px, transparent 1px);
  background-size: 100% 100%, 42px 42px, 42px 42px;
}

/* Topbar */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px; border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px); background: rgba(7, 11, 18, .7);
  position: sticky; top: 0;
}
.brand {
  font-weight: 700; letter-spacing: .35em; color: var(--text);
  text-decoration: none; display: flex; align-items: center; gap: 10px;
}
.brand.big { font-size: 1.6rem; justify-content: center; margin-bottom: 6px; }
.brand-dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 12px var(--accent), 0 0 32px var(--accent-dim);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .45; } }
.topbar nav a {
  color: var(--muted); text-decoration: none; margin-left: 22px;
  font-size: .92rem; letter-spacing: .06em; transition: color .2s;
}
.topbar nav a:hover { color: var(--accent); }

/* Layout */
.wrap { max-width: 1080px; margin: 0 auto; padding: 44px 24px; }
.hero h1 { font-size: 1.9rem; font-weight: 600; letter-spacing: .02em; }
.hero .sub, .sub { color: var(--muted); font-size: .95rem; }
.hero { margin-bottom: 34px; }
.hero-icon { color: var(--accent); }

/* Karten & Kacheln */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  backdrop-filter: blur(12px); padding: 26px;
}
.grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}
.tile {
  display: flex; flex-direction: column; gap: 6px; text-decoration: none;
  color: var(--text); transition: transform .18s, border-color .18s, box-shadow .18s;
}
.tile:hover {
  transform: translateY(-3px); border-color: var(--accent-dim);
  box-shadow: 0 8px 30px rgba(64, 220, 255, .10);
}
.tile-icon { font-size: 1.7rem; color: var(--accent); }
.tile-titel { font-size: 1.12rem; font-weight: 600; letter-spacing: .04em; }
.tile-desc { color: var(--muted); font-size: .87rem; flex: 1; }
.tile-status {
  margin-top: 12px; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-dim);
}
.tile-status.live { color: var(--accent); text-shadow: 0 0 12px rgba(64, 220, 255, .45); }

/* Login */
.login { width: min(380px, 92vw); display: flex; flex-direction: column; gap: 16px; text-align: center; }
.login label { text-align: left; font-size: .82rem; color: var(--muted); letter-spacing: .08em; }
.login input {
  width: 100%; margin-top: 6px; padding: 12px 14px; border-radius: 9px;
  border: 1px solid var(--line); background: rgba(7, 11, 18, .6); color: var(--text);
  font-size: 1rem; outline: none; transition: border-color .2s, box-shadow .2s;
}
.login input:focus { border-color: var(--accent-dim); box-shadow: 0 0 0 3px rgba(64,220,255,.12); }
.login button {
  padding: 12px; border: 1px solid var(--accent-dim); border-radius: 9px; cursor: pointer;
  background: linear-gradient(180deg, rgba(64,220,255,.20), rgba(64,220,255,.08));
  color: var(--accent); font-size: .95rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; transition: background .2s, box-shadow .2s;
}
.login button:hover { box-shadow: 0 0 24px rgba(64,220,255,.25); }
.error { color: var(--danger); font-size: .88rem; }

/* Platzhalter & Footer */
.placeholder { text-align: center; padding: 56px 26px; }
.btn-back {
  display: inline-block; margin-top: 18px; color: var(--accent); text-decoration: none;
  font-size: .9rem; letter-spacing: .06em;
}
.foot {
  text-align: center; color: var(--muted); font-size: .75rem; letter-spacing: .18em;
  text-transform: uppercase; padding: 28px; border-top: 1px solid var(--line); margin-top: 40px;
}