:root {
  --bg: #f4f6f8;
  --card: #fff;
  --text: #1a1d21;
  --muted: #6b7280;
  --primary: #2563eb;
  --danger: #dc2626;
  --border: #e5e7eb;
  --radius: 12px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

a { color: var(--primary); text-decoration: none; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.hidden { display: none !important; }

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  font-size: 1rem;
  cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-ghost { background: transparent; }
.btn-scan { font-size: 1.25rem; min-width: 48px; min-height: 48px; }
.btn-remove { color: var(--danger); min-width: 44px; min-height: 44px; }

.page-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-card, .form-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.25rem;
  width: min(420px, 100%);
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
}
.login-card select, .form-card select, .form-card input, textarea,
.login-card input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  margin: 0.35rem 0 0.85rem;
}
.login-error {
  color: var(--danger);
  font-size: 0.92rem;
  margin: 0.5rem 0;
}
.login-secondary { margin-top: 0.5rem; }
.login-secondary .btn { width: 100%; }
label { display: block; font-weight: 600; font-size: 0.9rem; }

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

.container { padding: 1rem; max-width: 720px; margin: 0 auto; }

.task-cards { display: grid; gap: 0.75rem; }
.task-card {
  display: block;
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem;
  border: 1px solid var(--border);
}
.task-card-title { font-weight: 700; margin-bottom: 0.5rem; }
.progress-line { display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; font-size: 0.85rem; color: var(--muted); }

.item-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.item-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
}
.item-main { flex: 1; min-width: 0; }
.item-barcode { font-weight: 700; font-size: 1.05rem; }
.item-name { font-size: 0.92rem; }
.item-actions { display: flex; gap: 0.35rem; }

.scan-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.scan-panel {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem;
  width: min(420px, 100%);
}
.qr-reader { width: 100%; min-height: 260px; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 110;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.modal-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem;
  width: min(400px, 100%);
}
.modal-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 0.75rem; }

.remove-reasons { display: grid; gap: 0.5rem; margin: 0.75rem 0; }
.reason-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.reason-option:has(input:checked) {
  border-color: var(--primary);
  background: #eff6ff;
}
.reason-option input { width: auto; margin: 0; }
#remove-note-other {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  background: #111827;
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  z-index: 200;
  max-width: 90vw;
  text-align: center;
}
.toast.error { background: var(--danger); }
.toast.ok { background: #059669; }

.empty { text-align: center; color: var(--muted); padding: 2rem 0; }

.page-admin .admin-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 1.25rem;
  background: #111827;
}
.page-admin .admin-nav a { color: #e5e7eb; }
.page-admin .admin-nav a.active { color: #fff; font-weight: 700; }
.page-admin .nav-logout { margin-left: auto; }

.admin-main { padding: 1.25rem; max-width: 1200px; margin: 0 auto; }
.admin-header-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.admin-header-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.admin-header-actions form { margin: 0; }
.admin-section { margin-top: 1.5rem; }
.filter-row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: end; margin-bottom: 1rem; }
.filter-row select,
.filter-row input[type="date"] {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  margin-top: 0.35rem;
  min-width: 140px;
}
.task-status {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
}
.task-status--completed {
  background: #dcfce7;
  color: #166534;
}
.task-status--cancelled {
  background: #fee2e2;
  color: #991b1b;
}
.task-status--active,
.task-status--draft {
  background: #fef9c3;
  color: #854d0e;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
}
.data-table th, .data-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-size: 0.92rem;
}
.data-table th { background: #f9fafb; }
.status-found { background: #ecfdf5; }
.status-removed { background: #fef2f2; }

.user-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}
.badge {
  font-size: 0.75rem;
  background: #e5e7eb;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
}
.assign-builder { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.assign-list { list-style: none; padding: 0; margin: 0 0 0.75rem; }
.assign-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--border);
}

.task-new-layout .task-new-grid {
  display: grid;
  grid-template-columns: minmax(320px, 520px) minmax(280px, 1fr);
  gap: 1.25rem;
  align-items: start;
  width: 100%;
  max-width: none;
}
.task-new-layout .form-card { width: 100%; max-width: none; }
.side-panel {
  display: grid;
  gap: 1rem;
  align-content: start;
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow: auto;
}
.coord-fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem 1rem;
  margin: 0 0 0.85rem;
}
.coord-fieldset legend { padding: 0 0.25rem; font-weight: 600; }
.coord-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
}
.coord-grid label { font-size: 0.85rem; }
.subgroups-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.activity-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.activity-panel h2,
.subgroups-panel h2 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.activity-stats-list {
  list-style: none;
  margin: 0.75rem 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}
.activity-stats-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.9rem;
}
.activity-stats-list .percent {
  font-weight: 600;
  white-space: nowrap;
}
.activity-form-section {
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 0.85rem 0 0;
  margin: 0.85rem 0 0;
}
.activity-form-section legend { padding: 0; font-weight: 600; font-size: 0.95rem; }
.activity-bucket-checks {
  display: grid;
  gap: 0.35rem;
  margin: 0.5rem 0;
}
.activity-bucket-checks label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
}
.checkbox-inline {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0.65rem 0 0.35rem;
}
#random-count-wrap input[type="number"] {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  margin-top: 0.35rem;
}
#random-count-wrap input[type="number"]:disabled {
  opacity: 0.55;
  background: var(--bg, #f5f5f5);
  cursor: not-allowed;
}
.btn-block { display: block; width: 100%; margin-top: 0.65rem; text-align: center; }
.task-submit-wrap { margin-top: 0.85rem; padding-top: 0.15rem; }
.task-submit-wrap .btn-block { margin-top: 0; }
.activity-error { color: var(--danger, #c0392b); margin-top: 0.5rem; }
.subgroups-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.subgroups-list li {
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.45rem;
}
.subgroups-list strong { display: block; }

@media (max-width: 960px) {
  .task-new-layout .task-new-grid { grid-template-columns: 1fr; }
  .side-panel { position: static; max-height: none; }
}

@media (min-width: 768px) {
  .page-worker .container { padding: 1.25rem; }
}