* { box-sizing: border-box; }
body {
  background: #121212;
  color: #eaeaea;
  font-family: -apple-system, system-ui, sans-serif;
  display: flex;
  justify-content: center;
  padding: 40px 16px;
  margin: 0;
}
.card {
  background: #1e1e1e;
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 1900px;
}
h1 {
  font-size: 22px;
  margin: 0 0 6px;
  text-align: center;
  color: #f5f5f5;
}
.nav {
  text-align: center;
  margin-bottom: 14px;
}
.nav a {
  color: #7db8ff;
  text-decoration: none;
  font-size: 13px;
  margin: 0 8px;
}
.nav a:hover { text-decoration: underline; }
.meta {
  text-align: center;
  font-size: 13px;
  color: #999;
  margin-bottom: 24px;
}
.meta .vanha { color: #ff8a8a; font-weight: 600; }
.suodatin {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 13px;
}
.suodatin label { color: #bbb; }
.suodatin input[type="date"] {
  background: #2a2a2a;
  border: 1px solid #3a3a3a;
  color: #eaeaea;
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 13px;
}
.suodatin button {
  background: #3a5a8a;
  border: none;
  color: #fff;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
}
.suodatin button:hover { background: #4a6a9a; }
.pikavalinnat {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.pikavalinnat a {
  color: #bbb;
  text-decoration: none;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid #3a3a3a;
}
.pikavalinnat a:hover { background: #2a2a2a; }
.pikavalinnat a.aktiivinen {
  background: #3a5a8a;
  border-color: #3a5a8a;
  color: #fff;
}
.taulukko-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid #3a3a3a;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
  white-space: nowrap;
}
th, td {
  padding: 8px 12px;
  text-align: right;
  border-bottom: 1px solid #2a2a2a;
}
th {
  background: #2a2a2a;
  color: #bbb;
  font-weight: 600;
  position: sticky;
  top: 0;
  text-align: right;
}
th:first-child, td:first-child { text-align: left; }
td:first-child { color: #ddd; font-weight: 500; }
tr:nth-child(even) td { background: #232323; }
tr.uusi-paiva td { border-top: 2px solid #3a3a3a; }
.lampo { font-weight: 700; }
.lampo.kylmä  { color: #7db8ff; }
.lampo.viileä { color: #9fd4ff; }
.lampo.lämmin { color: #ffcf7d; }
.lampo.kuuma  { color: #ff8a6a; }
.plus  { color: #7de89a; }
.tyhja {
  text-align: center;
  color: #888;
  padding: 24px;
}
.kaaviot {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hover-hetki {
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: #eaeaea;
  min-height: 1.4em;
  margin-top: 10px;
}
.kaavio-paneeli {
  background: #232323;
  border: 1px solid #3a3a3a;
  border-radius: 10px;
  padding: 16px;
  max-width: 900px;
  margin: 0 auto;
  transition: max-width 0.15s ease-out;
}
.kaaviot.koko-suuri .kaavio-paneeli { max-width: 1300px; }
.kaaviot.koko-taysi .kaavio-paneeli { max-width: 3000px; }
.kaaviot-koko-valinta {
  text-align: center;
  margin-bottom: 14px;
}
.kaaviot-koko-valinta button {
  background: #2a2a2a;
  border: 1px solid #3a3a3a;
  color: #bbb;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
}
.kaaviot-koko-valinta button:hover { background: #333; color: #eaeaea; }
.kaavio-paneeli h3 {
  margin: 0 0 10px;
  font-size: 14px;
  color: #ccc;
  font-weight: 600;
}
.lahde {
  text-align: center;
  font-size: 12px;
  color: #666;
  margin-top: 18px;
}
.tekijanoikeus {
  text-align: center;
  font-size: 11px;
  color: #555;
  margin-top: 14px;
}
.tekijanoikeus sup { font-size: 9px; }

.yhd-legenda {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 10px;
  font-size: 12px;
  color: #ccc;
}
.yhd-legenda span { display: inline-flex; align-items: center; gap: 5px; }
.yhd-legenda i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }