:root {
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-border: #e2e5e9;
  --color-text: #1a1f24;
  --color-text-muted: #66707a;
  --color-primary: #0b5394;
  --color-primary-hover: #084174;
  --color-danger: #c62828;
  --color-danger-bg: #fdecea;
  --color-warning: #b8860b;
  --color-warning-bg: #fff8e1;
  --color-success: #2e7d32;
  --color-success-bg: #e8f5e9;
  --color-muted-bg: #eef0f2;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  line-height: 1.2;
}

p {
  margin: 0 0 0.75rem;
}

/* -- Layout ------------------------------------------------------------- */

.app-shell {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  text-decoration: none;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.topbar-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.topbar-nav a:hover,
.topbar-nav a.active {
  background: var(--color-muted-bg);
  color: var(--color-text);
}

.page {
  flex: 1;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 1.25rem;
}

.page-narrow {
  max-width: 380px;
}

/* Verwaltung (Admin/Material-/Leitungsverantwortliche) läuft am Desktop -
   Tabellen (Änderungslog) und mehrspaltige Formulare brauchen mehr Platz als
   die mobile 640px-Kontroll-Ansicht der Mitarbeiter. Nutzer-Vorgabe: links
   ausgerichtet statt zentriert - bei 1200px sonst viel verschenkter Platz
   rechts/links auf breiten Monitoren. */
.page-wide {
  max-width: 1200px;
  margin: 0;
}

/* -- Cards ---------------------------------------------------------------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-link:hover {
  border-color: var(--color-primary);
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.15rem;
}

/* -- Forms ------------------------------------------------------------ */

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.field label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.input,
select.input,
textarea.input {
  width: 100%;
  font-size: 1rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
}

.input:focus,
select.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 83, 148, 0.15);
}

.input-search {
  font-size: 1.05rem;
  padding: 0.85rem 1rem;
}

/* -- Buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, opacity 0.15s ease;
  font-family: inherit;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-muted-bg);
}

.btn-danger {
  background: var(--color-surface);
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-danger-bg);
}

.btn-block {
  width: 100%;
}

/* -- Badges / Alerts ------------------------------------------------------ */

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-neutral {
  background: var(--color-muted-bg);
  color: var(--color-text-muted);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.alert {
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.alert-warning {
  background: var(--color-warning-bg);
  color: #6b5200;
}

.alert-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.text-muted {
  color: var(--color-text-muted);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.section {
  margin-bottom: 2rem;
}

.scanner-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.scanner-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
}

.scanner-video {
  width: min(90vw, 480px);
  border-radius: 0.5rem;
  background: #000;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.table th,
.table td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  white-space: nowrap;
}

.table th {
  font-weight: 600;
  color: var(--color-text-muted, #64748b);
}