:root {
  --brand: #b91c1c;
  --brand-dark: #7f1d1d;
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1f2328;
  --text-muted: #5f6672;
  --border: #e2e4e9;
  --success: #15803d;
  --success-bg: #dcfce7;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

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

a {
  color: var(--brand);
}

.topbar {
  background: var(--brand-dark);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar .brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.topbar .brand small {
  display: block;
  font-weight: 400;
  font-size: 0.75rem;
  opacity: 0.85;
}

.topbar nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.topbar nav a, .topbar nav button {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.9rem;
  cursor: pointer;
}

.topbar nav a.active {
  background: #fff;
  color: var(--brand-dark);
  font-weight: 600;
}

.topbar nav button:hover, .topbar nav a:hover {
  background: rgba(255, 255, 255, 0.24);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

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

.card h2 {
  margin-top: 0;
}

/* ---------- Login page ---------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--brand-dark), var(--brand));
  padding: 16px;
}

.login-box {
  background: #fff;
  border-radius: 14px;
  padding: 32px 28px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
}

.login-box h1 {
  text-align: center;
  margin: 0 0 4px;
  color: var(--brand-dark);
  font-size: 1.6rem;
}

.login-box p.tagline {
  text-align: center;
  color: var(--text-muted);
  margin: 0 0 24px;
  font-size: 0.9rem;
}

/* ---------- Forms ---------- */
label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  background: #fff;
  color: var(--text);
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}

button, .btn {
  font-size: 1rem;
  padding: 12px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  width: 100%;
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  background: #eceef1;
  color: var(--text);
}

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

.btn-small {
  padding: 7px 12px;
  font-size: 0.85rem;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.error-message {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.success-message {
  background: var(--success-bg);
  color: var(--success);
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

/* ---------- Worker dashboard ---------- */
.worker-page .container {
  max-width: 480px;
}

.worker-greeting {
  text-align: center;
  margin-bottom: 20px;
}

.worker-greeting h1 {
  margin: 0;
  color: var(--brand-dark);
}

.worker-greeting p {
  color: var(--text-muted);
  margin: 4px 0 0;
}

.search-box input {
  font-size: 1.2rem;
  padding: 16px;
  text-align: center;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.search-box button {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
  background: var(--brand);
  color: #fff;
}

.search-box button:hover {
  background: var(--brand-dark);
}

.result-card {
  text-align: center;
  padding: 24px;
}

.result-card.found {
  border-color: var(--success);
}

.result-card.not-found {
  border-color: var(--danger);
}

.result-status {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 14px;
}

.result-status.found {
  color: var(--success);
}

.result-status.not-found {
  color: var(--danger);
}

.result-row {
  margin-bottom: 14px;
}

.result-row .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-row .value {
  font-size: 1.3rem;
  font-weight: 700;
}

.result-row .value.price {
  color: var(--brand-dark);
}

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge.active, .badge.online, .badge.found {
  background: var(--success-bg);
  color: var(--success);
}

.badge.inactive, .badge.offline, .badge.not-found {
  background: var(--danger-bg);
  color: var(--danger);
}

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

/* ---------- Dashboard stat cards ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}

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

.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--brand-dark);
}

.stat-card .stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ---------- Toolbar / filters ---------- */
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 16px;
}

.toolbar .field {
  min-width: 140px;
}

.toolbar label {
  margin-bottom: 4px;
}

.toolbar input, .toolbar select {
  margin-bottom: 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}

.modal {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 420px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 8px;
}

/* ---------- Mobile card view for tables ---------- */
@media (max-width: 640px) {
  .container {
    padding: 12px;
  }

  table.responsive-cards thead {
    display: none;
  }

  table.responsive-cards, table.responsive-cards tbody, table.responsive-cards tr, table.responsive-cards td {
    display: block;
    width: 100%;
  }

  table.responsive-cards tr {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    padding: 10px 12px;
    background: #fff;
  }

  table.responsive-cards td {
    border-bottom: none;
    padding: 6px 0;
    white-space: normal;
  }

  table.responsive-cards td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
  }
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 30px 10px;
}