:root {
  --navy: #1F4E78;
  --navy-dark: #143349;
  --accent: #2E9E6C;
  --accent-dark: #227a54;
  --bg: #F7F9FB;
  --text: #1E2A32;
  --muted: #5B6B75;
  --card: #FFFFFF;
  --border: #E3E9ED;
  --danger: #C0392B;
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  margin: 0;
}
a { color: var(--navy); }
.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }

header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 1080px; margin: 0 auto;
}
.logo { font-weight: 800; font-size: 20px; color: var(--navy-dark); text-decoration: none; letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.back-link { font-size: 14px; font-weight: 600; color: var(--navy); text-decoration: none; }

.page-header {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, #2c6e9e 100%);
  color: #fff; padding: 56px 24px 48px; text-align: center;
}
.page-header h1 { font-size: 32px; font-weight: 800; margin: 0 0 10px; letter-spacing: -0.5px; }
.page-header p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto; font-size: 16px; }

main.tool { max-width: 900px; margin: 0 auto; padding: 48px 24px 80px; }

.panel {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px; margin-bottom: 24px;
}
.panel h2 { font-size: 18px; font-weight: 700; margin: 0 0 18px; color: var(--navy-dark); }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.field input, .field select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 15px; color: var(--text); background: #fff;
}
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }

.btn {
  display: inline-block; background: var(--accent); color: #fff; border: none; padding: 11px 20px;
  border-radius: 8px; font-weight: 700; font-size: 14.5px; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary { background: var(--navy-dark); }
.btn.secondary:hover { background: #0e2636; }
.btn.ghost { background: transparent; color: var(--navy); border: 1px solid var(--border); }
.btn.danger { background: #fff; color: var(--danger); border: 1px solid #f0c4bd; padding: 6px 12px; font-size: 13px; }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
  display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.checklist li:last-child { border-bottom: none; }
.checklist input[type="checkbox"] { width: 18px; height: 18px; flex: 0 0 auto; }
.checklist li.checked span { text-decoration: line-through; color: var(--muted); }
.checklist-cat { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 700; color: var(--accent-dark); margin: 22px 0 4px; }
.checklist-cat:first-child { margin-top: 0; }

.result-row {
  display: flex; justify-content: space-between; align-items: baseline; padding: 10px 0;
  border-bottom: 1px solid var(--border); font-size: 15px;
}
.result-row:last-child { border-bottom: none; }
.result-row.total { font-weight: 800; font-size: 18px; color: var(--accent-dark); }
.result-row .muted { color: var(--muted); font-size: 13px; }

table.simple { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.simple th, table.simple td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); }
table.simple th { color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.5px; }

.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.chip {
  background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px;
  font-size: 13.5px; display: flex; align-items: center; gap: 8px;
}
.chip button { border: none; background: none; color: var(--muted); cursor: pointer; font-size: 14px; line-height: 1; }

.hint { font-size: 13px; color: var(--muted); margin-top: 4px; }
.empty { color: var(--muted); font-size: 14.5px; padding: 16px 0; text-align: center; }

.cta-box {
  background: var(--navy-dark); color: #fff; border-radius: 16px; padding: 28px 30px; margin-top: 32px;
  text-align: center;
}
.cta-box p { color: rgba(255,255,255,0.85); margin: 0 0 16px; font-size: 15px; }

footer { padding: 40px 24px 56px; text-align: center; color: var(--muted); font-size: 13px; }
footer a { color: var(--navy); font-weight: 600; text-decoration: none; }

@media (max-width: 640px) {
  .page-header h1 { font-size: 26px; }
  .panel { padding: 20px; }
}