* { box-sizing: border-box; }

body {
  margin: 0 auto;
  padding: 0 1rem 3rem;
  max-width: 720px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: #1c2430;
  background: #fbfbf9;
}

header { padding: 2rem 0 0.5rem; border-bottom: 2px solid #b02a2a; }
header h1 { margin: 0 0 0.25rem; font-size: 1.6rem; }
header p { margin: 0 0 1rem; color: #4a5461; }

h2 { font-size: 1.2rem; margin: 1.5rem 0 0.75rem; }

.leg-input {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

select, input[type="number"], button {
  font: inherit;
  padding: 0.55rem 0.75rem;
  border: 1px solid #c6ccd4;
  border-radius: 6px;
  background: #fff;
  min-height: 44px;
}
select { flex: 1 1 10rem; }
input[type="number"] { width: 5rem; }

button { cursor: pointer; }
#add-leg { background: #eef1f5; }
#calc {
  display: block;
  margin-top: 1rem;
  width: 100%;
  background: #b02a2a;
  border-color: #b02a2a;
  color: #fff;
  font-weight: 600;
}
#calc:disabled { background: #c6ccd4; border-color: #c6ccd4; cursor: not-allowed; }

#legs { padding-left: 1.25rem; }
#legs li { margin: 0.3rem 0; }
.rm {
  min-height: 32px;
  padding: 0.1rem 0.5rem;
  margin-left: 0.4rem;
  border: none;
  background: transparent;
  color: #6b7480;
}
.rm:hover { color: #b02a2a; }

#results { margin-top: 1rem; }
.saving { color: #1a7a3c; font-weight: 600; }
.error {
  color: #8a5300;
  background: #fff6e5;
  border: 1px solid #e8c37a;
  border-radius: 6px;
  padding: 0.75rem 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}
@media (max-width: 480px) {
  table { display: block; overflow-x: auto; }
}
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid #e2e6ea; }
th { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; color: #4a5461; }
tr.winner { background: #eaf6ee; font-weight: 700; }
tr.winner small { font-weight: 400; }
td small { color: #4a5461; }
td a { color: #b02a2a; }

footer { margin-top: 3rem; font-size: 0.85rem; color: #6b7480; }

/* --- guides / article pages --- */
header h1 a { color: inherit; text-decoration: none; }
article { margin-top: 1rem; }
article h1 { font-size: 1.45rem; line-height: 1.3; margin: 1rem 0 0.25rem; }
article .updated { font-size: 0.85rem; color: #6b7480; margin: 0 0 1.25rem; }
article p, article li { color: #1c2430; }
article ul, article ol { padding-left: 1.4rem; }
.note {
  background: #eef4fb;
  border: 1px solid #b9d2ec;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}
.cta {
  display: inline-block;
  margin: 0.5rem 0 1rem;
  padding: 0.7rem 1.2rem;
  background: #b02a2a;
  color: #fff !important;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}
.guides-list { padding-left: 1.25rem; }
.guides-list li { margin: 0.45rem 0; }