:root {
  --bg: #f0f4f9;
  --card: #fff;
  --text: #1a2332;
  --muted: #5c6b7f;
  --accent: #0f2744;
  --accent-light: #1e4a7a;
  --border: #d5dee9;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.app {
  width: min(56rem, 96vw);
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

.topbar h1 {
  flex: 1;
  margin: 0;
  font-size: 1.35rem;
  color: var(--accent);
}

.back {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.back:hover {
  color: var(--accent);
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem 1.25rem;
  margin-bottom: 1rem;
}

.panel h2 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
}

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.panel__head h2 {
  margin: 0;
}

.hint {
  margin: -0.25rem 0 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 0.85rem;
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
}

input[type="text"],
input[type="date"],
input[type="number"] {
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}

.discount {
  margin-top: 1rem;
  max-width: 12rem;
}

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

.lines {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.lines th,
.lines td {
  padding: 0.45rem 0.35rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.lines th.num,
.lines td.num {
  text-align: right;
  white-space: nowrap;
}

.lines input {
  width: 100%;
  min-width: 4rem;
  padding: 0.4rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}

.lines input[type="number"] {
  text-align: right;
}

.btn-remove {
  border: none;
  background: transparent;
  color: var(--danger);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.25rem;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn--secondary {
  background: var(--accent);
  color: #fff;
}

.btn--secondary:hover {
  background: var(--accent-light);
}

.btn--small {
  background: #e8eef6;
  color: var(--accent);
  padding: 0.4rem 0.75rem;
  font-size: 0.88rem;
}

.totals__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  font-size: 0.95rem;
}

.totals__row--total {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 2px solid var(--accent);
  font-size: 1.1rem;
}

.print-sheet {
  display: none;
}

@media print {
  .no-print {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .print-sheet {
    display: block !important;
    padding: 1.5rem;
    color: #000;
  }

  .print-sheet__header {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #000;
    padding-bottom: 0.75rem;
  }

  .print-brand {
    margin: 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .print-sheet h2,
  .print-sheet h3 {
    margin: 0 0 0.5rem;
  }

  .print-meta p {
    margin: 0.2rem 0;
    font-size: 0.9rem;
  }

  .print-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
    font-size: 0.9rem;
  }

  .print-table th,
  .print-table td {
    border: 1px solid #ccc;
    padding: 0.35rem 0.5rem;
    text-align: left;
  }

  .print-table .num {
    text-align: right;
  }

  .print-note {
    font-size: 0.9rem;
    margin: -0.5rem 0 1rem;
  }

  .print-footer {
    margin-top: 1.5rem;
    border-top: 1px solid #000;
    padding-top: 0.75rem;
  }

  .print-legal {
    font-size: 0.8rem;
    color: #444;
  }
}