/*
  Design-System BN Performance Frontdesk.
  Angelehnt an bnperformance.de: Salbeigrün als Akzent, viel Weißraum,
  dünne Trennlinien, ruhige Typografie. Bewusst hell statt im dunklen
  Website-Look, da der Bildschirm ganztägig am Empfang genutzt wird.
*/

:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-alt: #f0f1ed;
  --border: #e4e5e0;
  --text: #17181a;
  --text-muted: #6b6f76;
  --accent: #889c7c;
  --accent-soft: #e7ece3;
  --accent-strong: #4f6146;
  --accent-strong-hover: #3d4b37;
  --danger: #a33a2e;
  --danger-soft: #f5e6e3;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(23, 24, 26, 0.04), 0 6px 16px rgba(23, 24, 26, 0.05);
  --font: "Open Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font);
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}
h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; }

a { color: var(--accent-strong); }

/* Navigation, angelehnt an das Logo-Motiv der Website (Wortmarke + dünne Linie) */
nav.topbar {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 0 2rem;
  height: 64px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  margin-right: 0.5rem;
  white-space: nowrap;
}
.brand-mark {
  font-weight: 700;
  font-size: 1.05rem;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--text);
}
.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 3px;
}
nav.topbar .links {
  display: flex;
  gap: 1.75rem;
  flex: 1;
}
nav.topbar .links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
nav.topbar .links a:hover,
nav.topbar .links a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
nav.topbar form.logout-form { margin-left: auto; }
nav.topbar button.link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
}
nav.topbar button.link:hover { color: var(--text); }

main {
  max-width: 1040px;
  margin: 2.5rem auto;
  padding: 0 1.5rem 3rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
}
.page-header h1 { margin: 0; }
.page-header p.subtitle {
  color: var(--text-muted);
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
}

/* Tabelle */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.75rem 0.6rem; }
th {
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
}
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--surface-alt); }
td.uid { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; color: var(--text-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent-strong);
  color: #fff;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font);
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-strong-hover); }
.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.secondary:hover { background: var(--surface-alt); }
.btn.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger-soft);
}
.btn.danger:hover { background: var(--danger-soft); }
.btn.small { padding: 0.4rem 0.75rem; font-size: 0.8rem; }
form.inline { display: inline; }

/* Formulare */
label {
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: block;
  margin: 1rem 0 0.35rem;
}
label:first-of-type { margin-top: 0; }
input[type=text], input[type=password], input[type=date], input[type=number], select {
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font);
  font-size: 0.92rem;
  background: var(--surface);
  color: var(--text);
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.checkbox-row { display: flex; align-items: center; gap: 0.5rem; margin-top: 1rem; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; }
.form-actions { margin-top: 1.5rem; display: flex; gap: 0.75rem; }

/* Status-Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}
.badge.ok { background: var(--accent-soft); color: var(--accent-strong); }
.badge.bad { background: var(--danger-soft); color: var(--danger); }

.pending-uid {
  font-size: 1.4rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface-alt);
  border: 1px dashed var(--border);
  padding: 1.1rem;
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: 1.25rem;
}
.pending-uid.detected { border-style: solid; border-color: var(--accent); background: var(--accent-soft); }

.wristband-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 0.5rem 0 1.5rem;
}
.wristband-box .uid-value { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1rem; }
.wristband-box .uid-empty { color: var(--text-muted); font-style: italic; }

.empty-state { color: var(--text-muted); text-align: center; padding: 2.5rem 1rem; }

/* Login */
body.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
.login-card { max-width: 340px; width: 100%; }
.login-card .brand { margin-bottom: 1.5rem; align-items: center; }
.error {
  color: var(--danger);
  background: var(--danger-soft);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Statistik-Kacheln */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.kpi .value { font-size: 1.9rem; font-weight: 700; }
.kpi .label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.2rem; }

.chart-card { margin-bottom: 1.5rem; }
.chart-card h2 { margin-bottom: 0.25rem; }
.chart-card p.hint { color: var(--text-muted); font-size: 0.82rem; margin: 0 0 1.25rem; }
.bar-chart { width: 100%; height: auto; overflow: visible; }
.bar-chart .bar { fill: var(--accent); }
.bar-chart .bar:hover { fill: var(--accent-strong); }
.bar-chart .axis-label { fill: var(--text-muted); font-size: 10px; font-family: var(--font); }
.bar-chart .value-label { fill: var(--text); font-size: 10px; font-family: var(--font); font-weight: 600; }

@media (max-width: 640px) {
  nav.topbar { flex-wrap: wrap; height: auto; padding: 1rem; gap: 1rem; }
  nav.topbar .links { gap: 1.1rem; flex-wrap: wrap; }
  main { margin: 1.5rem auto; }
  .card { padding: 1.1rem; }
}