:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1b1f24;
  --muted: #69707a;
  --border: #d9dee5;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --danger: #b42318;
  --danger-bg: #fff1f0;
  --ok: #15803d;
  --warn: #a16207;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); }
.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 0 18px;
}

.brand {
  font-size: 21px;
  font-weight: 700;
}

.muted { color: var(--muted); }
.role-pill, .status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 12px;
  text-transform: uppercase;
}
.status.flagged { color: var(--danger); border-color: #ffb4ab; background: var(--danger-bg); }
.status.closed { color: var(--ok); border-color: #b7e4c7; background: #f0fff4; }

.login {
  max-width: 390px;
  margin: 10vh auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }
.col-2 { grid-column: span 2; }

.panel, .stat, .order-row {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.panel { padding: 16px; }
.stat { padding: 14px; }
.stat .number { display: block; font-size: 24px; font-weight: 700; margin-top: 6px; }

h1, h2, h3 { margin: 0 0 12px; }
h1 { font-size: 24px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }

label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin: 10px 0 5px;
}
input, select, textarea, button {
  font: inherit;
}
input, select, textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #fff;
}
textarea { min-height: 76px; resize: vertical; }
input[readonly] { background: #f1f3f5; color: #4b5563; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}
button {
  border: 0;
  border-radius: 7px;
  padding: 10px 13px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  min-height: 40px;
}
button.secondary { background: #334155; }
button.danger { background: var(--danger); }
button.ghost {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}
button:disabled { opacity: .55; cursor: not-allowed; }

button, input, select, textarea {
  min-width: 0;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.tabs button {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}
.tabs button.active {
  background: var(--primary-dark);
  color: #fff;
  border-color: var(--primary-dark);
}

.order-row {
  padding: 13px;
  margin-bottom: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}
.order-row.flagged { border-color: #ffb4ab; background: var(--danger-bg); }
.order-title { font-weight: 700; }
.checklist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.check {
  border: 1px solid var(--border);
  background: #f8fafc;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
}
.check.confirmed { color: var(--ok); background: #f0fff4; border-color: #b7e4c7; }
.check.flagged { color: var(--danger); background: var(--danger-bg); border-color: #ffb4ab; }

.split-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
}
.split-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.confirm-row {
  border-top: 1px solid var(--border);
  margin-top: 12px;
  padding-top: 12px;
}

.detail dl {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 8px 12px;
  margin: 0;
}
.detail dt { font-weight: 700; }
.detail dd { margin: 0; }
.receipt-img {
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #ffb4ab;
  padding: 10px;
  border-radius: 8px;
  margin: 10px 0;
}
.success {
  background: #f0fff4;
  color: var(--ok);
  border: 1px solid #b7e4c7;
  padding: 10px;
  border-radius: 8px;
  margin: 10px 0;
}
.hidden { display: none !important; }

@media (max-width: 760px) {
  body { background: #fff; }
  .shell { padding: 12px; }
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
  }
  .brand { font-size: 18px; }
  .panel, .stat, .order-row {
    border-left: 0;
    border-right: 0;
    border-radius: 0;
  }
  .panel { padding: 14px 0; }
  .stat { padding: 12px; }
  .col-8, .col-6, .col-4, .col-3, .col-2 { grid-column: span 12; }
  .split-grid, .split-grid.two { grid-template-columns: 1fr 1fr; }
  .order-row { grid-template-columns: 1fr; padding: 14px 0; }
  .detail dl { grid-template-columns: 1fr; }
  button { width: 100%; }
  .tabs button, .actions button { width: auto; flex: 1 1 auto; }
  input, select, textarea { min-height: 44px; }
  .tabs {
    position: sticky;
    top: 0;
    z-index: 5;
    background: #fff;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
  }
}

@media (min-width: 1000px) {
  .shell { padding: 24px; }
  .brand { font-size: 24px; }
  .panel { padding: 20px; }
  .order-row {
    grid-template-columns: minmax(0, 1fr) 190px;
    padding: 16px;
  }
  .order-row > div:last-child {
    display: grid;
    justify-items: end;
    gap: 10px;
  }
}