:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --border: #d8e1ec;
  --text: #1b2430;
  --muted: #5a6b81;
  --primary: #1f6feb;
  --accent: #0f9d58;
  --warn: #c27c0e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #eef3fb 0%, var(--bg) 240px);
}
.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
h1 { margin: 0; font-size: 1.45rem; }
h2 { margin: 0 0 0.75rem; font-size: 1.1rem; }
p { margin: 0.35rem 0 0; color: var(--muted); }
.layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  padding: 1rem;
  max-width: 1400px;
  margin: 0 auto;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 8px 24px rgba(27, 36, 48, 0.04);
}
.pro-panel { border-color: #b8ccf5; background: #f7faff; }
.muted-text { color: var(--muted); }
.paypal-wrap { margin-top: 0.75rem; }
.controls-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-bottom: 0.75rem;
}
button, select, input, textarea { font: inherit; }
button {
  background: var(--primary); border: 0; border-radius: 8px; color: #fff;
  padding: 0.55rem 0.9rem; cursor: pointer;
}
button.secondary { background: #44566f; }
button.ghost { background: transparent; color: var(--primary); border: 1px solid var(--border); }
button.danger { background: #c62828; }
button:disabled { opacity: 0.55; cursor: not-allowed; }
input, select, textarea {
  border: 1px solid var(--border); border-radius: 8px; padding: 0.5rem; width: 100%;
}
textarea { min-height: 90px; resize: vertical; }
.entry-form, .grid.two, .grid.three {
  display: grid; gap: 0.6rem; margin-bottom: 0.75rem;
}
.entry-form { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.grid.two label, .grid.three label, .field {
  display: flex; flex-direction: column; gap: 0.3rem;
}
table { width: 100%; border-collapse: collapse; }
th, td {
  border-top: 1px solid var(--border); padding: 0.5rem; text-align: start; vertical-align: top;
}
.preview {
  border: 1px dashed var(--border); border-radius: 8px; background: #fff;
  padding: 1rem; min-height: 220px;
}
.totals { margin-top: 0.7rem; }
.totals div { display: flex; justify-content: space-between; margin-top: 0.35rem; }
.badge {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px;
  background: #e8f0fe; color: var(--primary); font-size: 0.8rem; font-weight: 600;
}
.badge.pro { background: #e6f4ea; color: var(--accent); }
.hidden { display: none !important; }
.checklist-item {
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.45rem 0; border-top: 1px solid var(--border);
}
.checklist-item input[type="checkbox"] { width: auto; }
.search-row { margin-bottom: 0.75rem; }
footer {
  padding: 0.8rem 1.25rem 1.2rem; color: var(--muted);
  display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center;
}
footer a { color: var(--primary); }
.watermark-note { color: var(--warn); font-size: 0.9rem; }
ul.history { list-style: none; padding: 0; margin: 0; }
ul.history li {
  display: flex; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap;
  border-top: 1px solid var(--border); padding: 0.55rem 0;
}
@media print {
  .topbar, .pro-panel, .no-print, footer { display: none !important; }
  .layout { display: block; }
  .preview { border: 0; min-height: auto; }
}