:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 2px 8px rgba(16, 24, 40, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* Einheitliche Typografie-Skala statt Browser-Standardgrößen für Überschriften. */
h1 { font-size: 1.65rem; line-height: 1.3; margin: 0 0 20px; font-weight: 700; }
h2 { font-size: 1.25rem; line-height: 1.35; margin: 0 0 14px; font-weight: 700; }
h3 { font-size: 1.05rem; line-height: 1.4; margin: 0 0 8px; font-weight: 600; }

/* Deutlich sichtbarer, einheitlicher Fokusring für Tastaturbedienung - ersetzt den
   browserabhängigen Standard-Fokusrahmen, der v. a. im Dark Mode schlecht sichtbar ist. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  flex-wrap: wrap;
  gap: 10px;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar nav a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.topbar nav a:hover { text-decoration: underline; }

.topbar-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.theme-toggle-btn:hover { background: var(--bg); }

.nav-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

.userinfo { color: var(--muted); font-size: 0.9rem; }

/* Ab dieser Breite wird die Navigation zu einem Klapp-Menü, damit sie bei vielen
   freigeschalteten Bereichen nicht als lange, umbrechende Linkliste wirkt. */
@media (max-width: 720px) {
  .nav-toggle-btn { display: inline-block; order: 1; }
  #theme-toggle { order: 2; }

  .topbar-right nav {
    order: 3;
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
  }

  .topbar-right nav.nav-open { display: flex; }
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.auth-card { max-width: 420px; margin: 40px auto; }

.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }

label { display: block; margin-bottom: 14px; font-weight: 500; font-size: 0.9rem; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"] {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  margin-top: 4px;
}

textarea {
  width: 100%;
  min-height: 110px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  margin-top: 4px;
  resize: vertical;
}

.tiny-input { width: 70px; margin-top: 0; display: inline-block; }
.small-input { width: 140px; margin-top: 0; display: inline-block; }

button, .button {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

button:hover, .button:hover { background: var(--primary-dark); }
button:disabled { background: #9ca3af; cursor: not-allowed; }
button.danger { background: var(--danger); }
button.danger:hover { background: #b91c1c; }

/* Zurückhaltender Sekundär-Stil für Aktionen wie "Abbrechen", die neben einer
   eigentlichen Hauptaktion (z. B. "Speichern") nicht gleich stark wirken sollen. */
a.button.button-secondary,
button.button-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
a.button.button-secondary:hover,
button.button-secondary:hover {
  background: var(--bg);
}

.stack-form label { margin-bottom: 16px; }

.inline-form {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 2px 4px 2px 0;
}

.actions-cell { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.table th, .table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

.table th { background: #f9fafb; font-weight: 600; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:nth-child(even) { background: var(--bg); }
.table tbody tr:hover { background: var(--border); }

/* Leere-Listen-Hinweise ("Noch keine Buchungen vorhanden." etc.) sind immer die
   einzige Zelle einer Zeile und tragen deshalb ein colspan-Attribut - darüber lassen
   sie sich ohne Markup-Änderungen gezielt ruhiger gestalten als normale Datenzeilen. */
.table td[colspan] {
  text-align: center;
  color: var(--muted);
  font-style: italic;
  padding: 26px 14px;
}
.table tbody tr:has(td[colspan]):hover { background: var(--card-bg); }

.neg { color: var(--danger); font-weight: 600; }
.pos { color: var(--success); font-weight: 600; }

.balance-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  font-size: 1.05rem;
  box-shadow: var(--shadow);
}

.balance-box .hint { color: var(--muted); font-size: 0.85rem; margin-left: 8px; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.product-card h3 { margin: 0 0 6px; font-size: 1rem; }
.product-card .price { font-weight: 700; font-size: 1.1rem; margin: auto 0 4px; }
.product-card .stock { color: var(--muted); font-size: 0.85rem; margin-bottom: 10px; }
.product-card form { margin: 0; }
.product-card button { width: 100%; }

.buy-btn {
  position: relative;
  overflow: hidden;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

.buy-btn-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: var(--success);
  transition: width 0.15s ease-out;
  z-index: 0;
}

.buy-btn.filling .buy-btn-fill {
  width: 100%;
  transition: width 3s linear;
}

.buy-btn-label { position: relative; z-index: 1; }

.buy-hint { margin: 6px 0 0; font-size: 0.75rem; color: var(--muted); }

.rating-form { margin-top: 8px !important; }
.star-rating {
  display: flex;
  flex-direction: row-reverse;
  justify-content: center;
  gap: 2px;
}
.star-btn {
  background: none;
  color: #d1d5db;
  border: none;
  padding: 2px;
  font-size: 1.3rem;
  line-height: 1;
  width: auto;
  cursor: pointer;
}
.star-btn:hover,
.star-btn:hover ~ .star-btn { color: #f59e0b; }
.star-btn.star-filled { color: #f59e0b; }
.product-card .hint { color: var(--muted); font-size: 0.8rem; margin-top: 8px; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-number { display: block; font-size: 1.8rem; font-weight: 700; color: var(--primary); }

.admin-nav { display: flex; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.module-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.module-card:hover { transform: translateY(-1px); }

.module-card:hover { border-color: var(--primary); }
.module-card h3 { margin: 0 0 6px; color: var(--primary); }
.module-card p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.module-card.admin-card h3 { color: var(--danger); }

.access-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 400;
  font-size: 0.85rem;
  margin-bottom: 0;
  white-space: nowrap;
}

.checkbox-label input[type="checkbox"] { width: auto; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-warn { background: #fef9c3; color: #854d0e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-muted { background: #e5e7eb; color: #4b5563; }

.pledge-checklist { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 4px 0 16px; }
.checkbox-label.checkbox-disabled { opacity: 0.55; }

/* Aktions-Buttons am Ende einer Karte: immer gleich breit und unten rechts ausgerichtet,
   statt als unterschiedlich große, links ausgerichtete Buttonliste. */
.card-footer-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.card-footer-actions button,
.card-footer-actions .button {
  min-width: 140px;
  text-align: center;
}

select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: #fff;
  color: var(--text);
}

/* Gruppiert mehrere alternative Aktionen (z. B. "selbst übernehmen" ODER "Person X per
   Admin-Auswahl festlegen") sichtbar zusammen, statt sie als lose Buttonreihe wirken zu lassen. */
.action-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
}

.action-group .inline-form {
  margin: 0;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.action-divider {
  color: var(--muted);
  font-size: 0.85rem;
  font-style: italic;
}

.card ul { margin: 0 0 14px; padding-left: 20px; }
.card ul:last-child { margin-bottom: 0; }
.card ul li { margin-bottom: 2px; }

.changelog-list {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.changelog-entry {
  display: flex;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.changelog-entry:last-child { border-bottom: none; }

.changelog-date {
  flex: 0 0 100px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding-top: 2px;
}

.changelog-body h3 { margin: 0 0 6px; font-size: 1rem; }
.changelog-body p { margin: 0; color: var(--text); line-height: 1.5; }

.topup-presets { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 16px; }
.topup-presets .button { padding: 6px 14px; font-size: 0.85rem; }
.topup-paypal-box { max-width: 320px; margin-top: 12px; }
#topup-message:empty { display: none; }

.schema-warning-banner {
  background: #fee2e2;
  color: #991b1b;
  border-bottom: 1px solid #fecaca;
  padding: 10px 24px;
  font-size: 0.9rem;
}
.schema-warning-banner a { color: #991b1b; text-decoration: underline; }

.impersonation-banner {
  background: #fef3c7;
  color: #92400e;
  border-bottom: 1px solid #fde68a;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.impersonation-banner form { margin: 0; }
.impersonation-banner button {
  background: #92400e;
  padding: 5px 12px;
  font-size: 0.82rem;
}
.impersonation-banner button:hover { background: #78350f; }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 24px;
}

/* Dunkles Design, per Button im Header umschaltbar (siehe includes/header.php).
   Die meisten Farben laufen bereits über CSS-Variablen und passen sich automatisch
   an - hier werden nur die Basis-Variablen sowie die wenigen Stellen mit fest
   eingetragenen Farben (Badges, Flash-Meldungen, Formularfelder, ...) überschrieben. */
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14171f;
  --card-bg: #1c2029;
  --text: #e5e7eb;
  --muted: #9aa1ad;
  --primary: #3b82f6;
  --primary-dark: #60a5fa;
  --danger: #f87171;
  --success: #4ade80;
  --border: #2d323c;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 4px 10px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: var(--card-bg);
  color: var(--text);
  border-color: var(--border);
}

[data-theme="dark"] .table th { background: #242933; }
[data-theme="dark"] button:disabled { background: #4b5563; color: #d1d5db; }

[data-theme="dark"] .flash-success { background: #14532d; color: #bbf7d0; }
[data-theme="dark"] .flash-error { background: #7f1d1d; color: #fecaca; }

[data-theme="dark"] .badge-success { background: #14532d; color: #bbf7d0; }
[data-theme="dark"] .badge-warn { background: #713f12; color: #fef08a; }
[data-theme="dark"] .badge-danger { background: #7f1d1d; color: #fecaca; }
[data-theme="dark"] .badge-muted { background: #374151; color: #d1d5db; }

[data-theme="dark"] .star-btn { color: #4b5563; }
[data-theme="dark"] .star-btn:hover,
[data-theme="dark"] .star-btn:hover ~ .star-btn,
[data-theme="dark"] .star-btn.star-filled { color: #f59e0b; }

[data-theme="dark"] .impersonation-banner {
  background: #78350f;
  color: #fde68a;
  border-bottom-color: #92400e;
}

[data-theme="dark"] .schema-warning-banner {
  background: #7f1d1d;
  color: #fecaca;
  border-bottom-color: #991b1b;
}
[data-theme="dark"] .schema-warning-banner a { color: #fecaca; }
[data-theme="dark"] .impersonation-banner button { background: #fde68a; color: #78350f; }
[data-theme="dark"] .impersonation-banner button:hover { background: #fcd34d; }