:root {
  --primary: #1f6f4a;
  --primary-dark: #174f36;
  --danger: #b91c1c;
  --warning: #b45309;
  --success: #047857;
  --bg: #f6f5f1;
  --surface: #ffffff;
  --muted: #667085;
  --text: #242424;
  --border: #dedbd2;
  --shadow: 0 8px 24px rgba(31, 41, 55, .08);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

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

button, input, select {
  font: inherit;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card, .panel, .toolbar, .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.auth-card {
  width: min(440px, 100%);
  padding: 32px;
}

.auth-card h1, .topbar h1 {
  margin: 0 0 6px;
  color: var(--primary-dark);
}

.auth-card p, .topbar p {
  color: var(--muted);
  margin: 0 0 24px;
}

label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-size: 14px;
  font-weight: 650;
}

input, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 10px 12px;
}

input:focus, select:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(31, 111, 74, .12);
}

.btn {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  padding: 10px 14px;
}

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

.btn.ghost {
  background: transparent;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.message {
  color: var(--danger);
  min-height: 22px;
  margin-top: 14px;
}

#appView {
  padding: 22px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin: 0 auto 18px;
  max-width: 1500px;
}

.top-actions, .panel-head, .modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pill {
  background: #e8f3ed;
  border-radius: 999px;
  color: var(--primary-dark);
  font-weight: 700;
  padding: 8px 12px;
}

.toolbar {
  max-width: 1500px;
  margin: 0 auto 18px;
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(6, minmax(140px, 1fr));
  gap: 12px;
  align-items: end;
}

.stats {
  max-width: 1500px;
  margin: 0 auto 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.stats article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 10px;
  padding: 16px;
}

.stats span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

.stats strong {
  display: block;
  font-size: 25px;
  margin-top: 6px;
}

.tabs {
  max-width: 1500px;
  margin: 0 auto 0;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tabs button {
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
  padding: 14px 16px;
}

.tabs button.active {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.panel {
  display: none;
  max-width: 1500px;
  margin: 0 auto 22px;
  padding: 22px;
}

.panel.active {
  display: block;
}

.panel-head {
  justify-content: space-between;
  margin-bottom: 16px;
}

h2, h3 { color: #26352f; }
h3 { margin-top: 24px; }

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  border-bottom: 1px solid var(--border);
  padding: 11px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f1f0eb;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.badge {
  border-radius: 6px;
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 9px;
}

.ok { background: #dcfce7; color: var(--success); }
.warn { background: #fef3c7; color: var(--warning); }
.bad { background: #fee2e2; color: var(--danger); }

.notice {
  max-width: 1500px;
  margin: 0 auto 18px;
  border-radius: 10px;
  font-weight: 750;
  padding: 14px 16px;
}

.notice.bad { border: 1px solid #fecaca; }
.notice.ok { border: 1px solid #bbf7d0; }

dialog {
  border: 0;
  border-radius: 12px;
  box-shadow: 0 20px 70px rgba(0,0,0,.25);
  width: min(560px, 92vw);
}

dialog::backdrop {
  background: rgba(0, 0, 0, .45);
}

.modal-form {
  display: grid;
  gap: 14px;
}

.modal-form h2 {
  margin: 0;
}

.modal-actions {
  justify-content: end;
  margin-top: 8px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.inline-form {
  align-items: end;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.inline-form label {
  min-width: 180px;
}

.pager {
  align-items: center;
  border-top: 1px solid var(--border);
  color: var(--muted);
  display: flex;
  font-size: 14px;
  font-weight: 700;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 12px;
}

.pager-actions {
  display: flex;
  gap: 8px;
}

.receipt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

@media (max-width: 900px) {
  #appView { padding: 12px; }
  .toolbar { grid-template-columns: 1fr 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .pager { align-items: stretch; flex-direction: column; gap: 10px; }
}

@media print {
  .topbar, .toolbar, .tabs, .panel:not(.active) .btn, .btn { display: none !important; }
  body { background: #fff; }
  .panel { border: 0; box-shadow: none; display: block; }
}