/* Gemeinsame Basis im Stil von lumovex.de: Slate-Hintergrund, Cyan + Violett,
   Glas-Navigation, weiße Karten, perspektivisches Gitter. */
:root {
  --bg: #f8fafc;
  --panel: #ffffff;
  --panel-2: #f1f5f9;
  --line: rgba(15, 23, 42, .08);
  --line-strong: rgba(15, 23, 42, .15);
  --text: #0f172a;
  --muted: #475569;
  --dim: #94a3b8;
  --primary: #0891b2;
  --primary-ink: #ffffff;
  --primary-soft: rgba(8, 145, 178, .1);
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, .1);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, .08);
  --ok: #059669;
  --ok-soft: rgba(5, 150, 105, .1);
  --warn: #d97706;
  --warn-soft: rgba(217, 119, 6, .1);
  --glass: rgba(255, 255, 255, .72);
  --glass-line: rgba(255, 255, 255, .6);
  --grid: rgba(8, 145, 178, .2);
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 30px rgba(15, 23, 42, .06);
  --radius: 16px;
  --radius-sm: 10px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1120; --panel: #111a2e; --panel-2: #18233a; --line: rgba(226, 232, 240, .08); --line-strong: rgba(226, 232, 240, .16);
    --text: #e2e8f0; --muted: #94a3b8; --dim: #64748b; --primary: #22b8d6; --primary-ink: #04161c; --primary-soft: rgba(34, 184, 214, .14);
    --accent: #a78bfa; --accent-soft: rgba(167, 139, 250, .14); --danger: #f87171; --danger-soft: rgba(248, 113, 113, .12);
    --ok: #34d399; --ok-soft: rgba(52, 211, 153, .12); --warn: #fbbf24; --warn-soft: rgba(251, 191, 36, .12);
    --glass: rgba(17, 26, 46, .72); --glass-line: rgba(226, 232, 240, .08); --grid: rgba(34, 184, 214, .14);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1120; --panel: #111a2e; --panel-2: #18233a; --line: rgba(226, 232, 240, .08); --line-strong: rgba(226, 232, 240, .16);
  --text: #e2e8f0; --muted: #94a3b8; --dim: #64748b; --primary: #22b8d6; --primary-ink: #04161c; --primary-soft: rgba(34, 184, 214, .14);
  --accent: #a78bfa; --accent-soft: rgba(167, 139, 250, .14); --danger: #f87171; --danger-soft: rgba(248, 113, 113, .12);
  --ok: #34d399; --ok-soft: rgba(52, 211, 153, .12); --warn: #fbbf24; --warn-soft: rgba(251, 191, 36, .12);
  --glass: rgba(17, 26, 46, .72); --glass-line: rgba(226, 232, 240, .08); --grid: rgba(34, 184, 214, .14);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .3);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); font: 15px/1.55 var(--font); }
a { color: var(--primary); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Perspektivisches Gitter (wie lumovex.de) */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: var(--grid);
  -webkit-mask: url("/assets/grid.svg") center top / cover no-repeat;
  mask: url("/assets/grid.svg") center top / cover no-repeat;
}

/* Glas-Navigation */
.topbar {
  position: sticky; top: 12px; z-index: 30; margin: 12px 16px 0; padding: 8px 10px 8px 16px;
  display: flex; align-items: center; gap: 12px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--glass-line); box-shadow: var(--shadow);
  backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
}
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 600; white-space: nowrap; }
.logo img { height: 22px; width: auto; display: block; }
.logo span { color: var(--muted); font-weight: 500; padding-left: 10px; border-left: 1px solid var(--line-strong); }
.spacer { flex: 1; }

.icon-btn {
  width: 38px; height: 38px; display: inline-grid; place-items: center; border-radius: 999px; border: 0;
  background: transparent; color: var(--muted); cursor: pointer;
}
.icon-btn:hover { background: var(--panel-2); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }
[data-theme-toggle] .sun { display: none; }
[data-theme-toggle][aria-pressed="true"] .sun { display: block; }
[data-theme-toggle][aria-pressed="true"] .moon { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 8px 16px;
  border-radius: 999px; border: 1px solid var(--line-strong); background: var(--panel); color: var(--text);
  font-weight: 500; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--panel-2); }
.btn.primary { background: var(--primary); border-color: transparent; color: var(--primary-ink); }
.btn.primary:hover { filter: brightness(1.06); background: var(--primary); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.btn.ok { background: var(--ok); color: #fff; border-color: transparent; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.glass { background: var(--glass); border: 1px solid var(--glass-line); border-radius: var(--radius); box-shadow: var(--shadow); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.muted { color: var(--muted); }

/* Formulare */
.field { display: block; margin-top: 14px; font-size: .9rem; color: var(--muted); font-weight: 500; }
.field input, .field select, .field textarea {
  display: block; width: 100%; margin-top: 6px; padding: 11px 14px; border-radius: var(--radius-sm);
  background: var(--panel); border: 1px solid var(--line-strong); color: var(--text); font-size: 1rem;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: transparent; }

.notice { padding: 10px 14px; border-radius: var(--radius-sm); font-size: .92rem; }
.notice.err { background: var(--danger-soft); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }