:root {
  --blue: #2f6fed;
  --blue-dark: #1e4fb8;
  --teal: #3fb6c9;
  --ink: #1f2733;
  --muted: #6b7684;
  --border: #e1e5ea;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --danger: #d64545;
  --danger-bg: #fdeceb;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { height: 26px; }
.brand-title { font-weight: 600; font-size: 15px; color: var(--muted); }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; }

.tab-btn {
  border: none;
  background: transparent;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
}
.tab-btn:hover { background: var(--bg); }
.tab-btn.active { background: var(--blue); color: #fff; }

#app { max-width: 880px; margin: 0 auto; padding: 24px 16px 80px; }

.view { display: none; }
.view.active { display: block; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 18px;
}

.card h2 { margin: 0 0 14px; font-size: 16px; font-weight: 600; }

.hint { color: var(--muted); font-size: 13px; margin: -6px 0 14px; }

.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.field-wide { grid-column: 1 / -1; }

@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 4px; position: relative; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--muted); }

input, select, textarea {
  font: inherit;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.15);
}
textarea { resize: vertical; font-family: inherit; }

.radio-row { display: flex; gap: 20px; padding-top: 4px; }
.radio-opt { display: flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 400; color: var(--ink); }
.radio-opt input { width: auto; padding: 0; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: #eef2fb; color: var(--blue-dark); }
.btn-secondary:hover { background: #e2e9fa; }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--bg); }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-danger:hover { background: #fbdad8; }
.btn-icon { background: transparent; border: none; cursor: pointer; color: var(--muted); font-size: 15px; padding: 4px 8px; }
.btn-icon:hover { color: var(--danger); }

.actions-bar { display: flex; justify-content: flex-end; gap: 10px; padding: 4px 2px; }

.table { width: 100%; border-collapse: collapse; margin-top: 6px; font-size: 14px; }
.table th, .table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
.table th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); font-weight: 600; }
.table .col-qtd { width: 70px; text-align: center; }
.table td.col-qtd { text-align: center; }
.table .col-actions { width: 40px; }
.table .empty-row td { color: var(--muted); font-style: italic; text-align: center; padding: 18px; }
.table input[type="number"] { width: 60px; padding: 5px 6px; text-align: center; }

.add-item-row { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 6px; position: relative; flex-wrap: wrap; }
.add-item-row input:first-child { flex: 1 1 160px; min-width: 0; }
.qtd-input { width: 70px; text-align: center; }

@media (max-width: 480px) {
  .add-item-row input:first-child { flex-basis: 100%; }
  .autocomplete-results { width: 100% !important; }
}

.autocomplete-results {
  position: absolute;
  top: 42px;
  left: 0;
  width: calc(100% - 170px);
  max-height: 260px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(20, 30, 50, 0.12);
  z-index: 20;
}
.autocomplete-results.hidden { display: none; }
.ac-item { padding: 9px 12px; cursor: pointer; font-size: 13.5px; border-bottom: 1px solid var(--border); }
.ac-item:last-child { border-bottom: none; }
.ac-item:hover { background: var(--bg); }
.ac-cfn { font-weight: 600; color: var(--blue-dark); margin-right: 6px; }
.ac-cat { float: right; font-size: 11px; color: var(--muted); }

.stacked-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.list-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.list-item-title { font-weight: 600; font-size: 14.5px; }
.list-item-sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.list-item-actions { display: flex; gap: 6px; }

.cat-tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.cat-tab-btn {
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 14px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  color: var(--muted);
}
.cat-tab-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }

.search-input { width: 100%; margin-bottom: 12px; }

.hidden { display: none !important; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 100;
}
.toast.error { background: var(--danger); }