:root {
  --pink: #1a1a1a;
  --pink-light: #f2f2f2;
  --pink-dark: #000000;
  --bg: #fafafa;
  --text: #1a1a1a;
  --muted: #8a8a8a;
  --border: #e5e5e5;
  --danger: #d64545;
  --green: #3a9b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
}
header {
  background: white;
  color: var(--text);
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
}
header .header-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
header h1 { margin: 0; font-size: 22px; }
header p { margin: 4px 0 0; font-size: 13px; opacity: 0.9; }

.user-bar { display: flex; align-items: center; gap: 12px; }
.user-bar .who { font-size: 13px; }
.user-bar .who .role-tag { opacity: 0.85; }
button.logout-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 12px;
  cursor: pointer;
}
button.logout-btn:hover { background: var(--bg); }

nav {
  display: flex;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  flex-wrap: wrap;
}
nav button {
  background: none;
  border: none;
  padding: 14px 18px;
  font-size: 14px;
  cursor: pointer;
  color: var(--muted);
  border-bottom: 3px solid transparent;
}
nav button.active {
  color: var(--pink-dark);
  border-bottom-color: var(--pink);
  font-weight: 600;
}

main { padding: 24px 32px 60px; max-width: 1080px; margin: 0 auto; }
.tab { display: none; }
.tab.active { display: block; }

.cards { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  flex: 1;
  min-width: 160px;
}
.card .label { font-size: 12px; color: var(--muted); }
.card .value { font-size: 22px; font-weight: 700; margin-top: 4px; }
.card .value.pink { color: var(--pink-dark); }
.card .value.danger { color: var(--danger); }

.panel {
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.panel h2 { margin: 0 0 14px; font-size: 16px; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; }
.low-stock { color: var(--danger); font-weight: 600; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  align-items: end;
}
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
input, select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}
button.primary {
  background: var(--pink);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
}
button.primary:hover { background: var(--pink-dark); }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }
button.ghost {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  color: var(--muted);
}
button.ghost:hover { border-color: var(--danger); color: var(--danger); }
.type-toggle { display: flex; gap: 8px; }
.type-toggle label {
  flex: 1;
  text-align: center;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  margin: 0;
  font-size: 13px;
  color: var(--text);
}
.type-toggle input { display: none; }
.type-toggle input:checked + span { font-weight: 700; }
.type-toggle label.in-selected { background: #eafaf1; border-color: var(--green); color: var(--green); }
.type-toggle label.out-selected { background: #fdeeee; border-color: var(--danger); color: var(--danger); }
.type-toggle label.role-selected { background: var(--pink-light); border-color: var(--pink); color: var(--pink-dark); }

.empty { color: var(--muted); font-size: 13px; padding: 20px 0; text-align: center; }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.toolbar input[type=text] { max-width: 240px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; background: var(--pink-light); color: var(--pink-dark); }

.role-badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.role-badge.admin { background: var(--pink-light); color: var(--pink-dark); }
.role-badge.staff { background: #f2f2f2; color: #555555; }

.status-badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.status-badge.pending { background: #fff6e0; color: #a8720b; }
.status-badge.approved { background: #eafaf1; color: var(--green); }
.status-badge.rejected { background: #fdeeee; color: var(--danger); }

.nav-count {
  display: inline-block;
  background: var(--danger);
  color: white;
  border-radius: 10px;
  font-size: 10px;
  padding: 1px 6px;
  margin-left: 4px;
  vertical-align: middle;
}

.modal-hint { font-size: 12px; color: var(--muted); margin-top: 10px; }

.auth-wrap {
  min-height: 100vh;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: min(380px, 92vw);
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}
.auth-card h2 { margin: 0 0 6px; font-size: 18px; }
.auth-card p.sub { margin: 0 0 20px; font-size: 13px; color: var(--muted); }
.auth-card .field { margin-bottom: 12px; }
.auth-error { color: var(--danger); font-size: 12px; margin-top: 10px; min-height: 16px; }
.auth-switch { margin-top: 16px; font-size: 12px; color: var(--muted); text-align: center; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: white;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.toast.show { opacity: 0.95; }
.toast.error { background: var(--danger); }

.chart-bars { display:flex; align-items:flex-end; gap:10px; height:150px; padding:12px 4px 0; }
.chart-bar { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:flex-end; gap:6px; height:100%; }
.chart-bar-fill { width:100%; background:var(--pink); border-radius:4px 4px 0 0; min-height:2px; }
.chart-bar-value { font-size:12px; color:var(--muted); }
.chart-bar-label { font-size:11px; color:var(--muted); }

@media print {
  header, nav, .toolbar input, .toolbar button, .cards + .toolbar { display: none !important; }
  body * { visibility: hidden; }
  #salesReport, #salesReport * { visibility: visible; }
  #salesReport { position: absolute; left: 0; top: 0; width: 100%; }
}

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-box { background: white; border-radius: 12px; padding: 24px; width: 320px; max-width: 90vw; }
.modal-box h2 { margin: 0 0 16px; font-size: 18px; }