:root{
  --bg:#f2f1ed;
  --bg-2:#ffffff;
  --card:#ffffff;
  --text:#141515;
  --muted:#5f656d;
  --border:rgba(20,21,21,0.12);
  --shadow:0 18px 45px rgba(15,23,42,0.08);
  --accent:#e11d48;
  --accent-2:#16a34a;
  --accent-3:#f59e0b;
  --danger:#dc2626;
  --radius:22px;
}

body.theme-dark{
  --bg:#0b0f14;
  --bg-2:#121822;
  --card:#111821;
  --text:#f2f5f7;
  --muted:#95a0ae;
  --border:rgba(255,255,255,0.08);
  --shadow:0 20px 50px rgba(0,0,0,0.45);
  --accent:#f43f5e;
  --accent-2:#22c55e;
  --accent-3:#fbbf24;
  --danger:#f87171;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family:"Source Sans 3", "Segoe UI", Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(225,29,72,0.12), transparent 50%),
              radial-gradient(900px 500px at 90% 0%, rgba(22,163,74,0.10), transparent 50%),
              var(--bg);
  color:var(--text);
}

a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }

.app{
  max-width:1100px;
  margin:0 auto;
  padding:24px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
}

.logo{
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(145deg, rgba(225,29,72,0.15), rgba(15,23,42,0.08));
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
}

.brandTitle{
  font-family:"Space Grotesk", "Source Sans 3", sans-serif;
  font-size:20px;
  font-weight:700;
  letter-spacing:-0.02em;
}

.brandTag{
  color:var(--muted);
  font-size:13px;
}

.topbarControls{
  display:flex;
  align-items:center;
  gap:10px;
}

.langSwitch{
  display:flex;
  gap:6px;
  padding:4px;
  border-radius:999px;
  background:var(--bg-2);
  border:1px solid var(--border);
}

.langSwitch button{
  border:0;
  background:transparent;
  padding:6px 10px;
  font-size:12px;
  border-radius:999px;
  color:var(--muted);
  cursor:pointer;
}

.langSwitch button.is-active{
  background:var(--accent);
  color:white;
  font-weight:600;
}

.themeToggle{
  border:1px solid var(--border);
  background:var(--bg-2);
  border-radius:12px;
  padding:8px 10px;
  font-size:14px;
  cursor:pointer;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px;
}

.hero{
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:18px;
  margin-bottom:18px;
}

.heroEyebrow{
  font-family:"Space Grotesk", sans-serif;
  font-size:24px;
  font-weight:600;
  margin-bottom:12px;
}

.heroTemp{
  margin-bottom:16px;
}

.tempValue{
  font-family:"Space Grotesk", sans-serif;
  font-size:56px;
  font-weight:700;
  letter-spacing:-0.03em;
}

.tempSub{
  color:var(--muted);
  margin-top:6px;
}

.tempMeta{
  margin-top:6px;
  font-size:12px;
  color:var(--muted);
}

.heroStats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:12px;
}

.stat{
  padding:12px;
  border-radius:16px;
  background:var(--bg-2);
  border:1px dashed var(--border);
}

.statLabel{
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:6px;
}

.statValue{
  font-size:20px;
  font-weight:600;
}

.statUnit{
  font-size:12px;
  color:var(--muted);
}

.statHint{
  margin-top:6px;
  font-size:12px;
  color:var(--muted);
}

.statSub{
  margin-top:6px;
  font-size:13px;
  color:var(--text);
}

.statHint.is-ok{ color:#15803d; }
.statHint.is-warn{ color:#b45309; }
.statHint.is-danger{ color:#b91c1c; }

.heroIndex{
  background:linear-gradient(160deg, rgba(225,29,72,0.12), rgba(22,163,74,0.12));
  border-radius:18px;
  padding:16px;
  border:1px solid var(--border);
  display:flex;
  flex-direction:column;
  gap:8px;
}

.indexBadge{
  align-self:flex-start;
  padding:6px 12px;
  border-radius:999px;
  font-weight:700;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.12em;
  background:var(--accent-2);
  color:white;
}

.indexBadge[data-status='yellow']{ background:var(--accent-3); color:#1f2937; }
.indexBadge[data-status='red']{ background:var(--danger); color:white; }
.indexBadge[data-status='unknown']{ background:var(--bg-2); color:var(--muted); border:1px solid var(--border); }

.indexTitle{
  font-family:"Space Grotesk", sans-serif;
  font-size:20px;
  font-weight:600;
}

.indexHint,
.indexMeta{
  color:var(--muted);
  font-size:13px;
}

.stages{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
  margin-bottom:18px;
}

.stageTitle{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.12em;
  color:var(--muted);
  margin-bottom:10px;
}

.stageHeadline{
  font-family:"Space Grotesk", sans-serif;
  font-size:18px;
  font-weight:600;
  margin-bottom:8px;
}

.stageText{
  font-size:15px;
}

.stageSub{
  margin-top:10px;
  font-size:12px;
  color:var(--muted);
}

.forecastGrid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:12px;
  margin-top:12px;
}

.forecastItem{
  padding:12px;
  border-radius:16px;
  background:var(--bg-2);
  border:1px solid var(--border);
}

.forecastDay{
  font-weight:600;
}

.forecastTemp{
  font-size:18px;
  margin-top:6px;
}

.forecastMeta{
  font-size:12px;
  color:var(--muted);
}

.forecastWater{
  font-size:14px;
  color:var(--muted);
}

.forecastDesc{
  color:var(--muted);
  font-size:12px;
  margin-top:4px;
}

.cardHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.cardTitle{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.12em;
  color:var(--muted);
}

.badge{
  font-size:12px;
  border:1px solid var(--border);
  padding:4px 10px;
  border-radius:999px;
  color:var(--muted);
  background:rgba(0,0,0,0.02);
}

.toggleRow{
  display:flex;
  gap:8px;
  margin-top:12px;
  flex-wrap:wrap;
}

.toggleRow button{
  border:1px solid var(--border);
  background:var(--bg-2);
  color:var(--text);
  padding:7px 12px;
  border-radius:999px;
  font-size:12px;
  cursor:pointer;
}

.toggleRow button.is-active{
  border-color:rgba(225,29,72,0.5);
  background:rgba(225,29,72,0.12);
}

.chartWrap{
  height:260px;
  margin-top:16px;
}

.cardHint{
  margin-top:12px;
  font-size:12px;
  color:var(--muted);
}

.swimTimeMain{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-top:8px;
}

.swimTimeValue{
  font-family:"Space Grotesk", sans-serif;
  font-size:32px;
  font-weight:700;
}

.swimTimeNote{
  font-size:14px;
  color:var(--muted);
}

.swimTimeMeta{
  margin-top:10px;
  font-size:12px;
  color:var(--muted);
}

.communityIntro{
  margin-top:8px;
}

.communityForm{
  display:flex;
  gap:8px;
  margin-top:12px;
}

.communityForm input{
  flex:1;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--bg-2);
  color:var(--text);
}

.communityForm button{
  padding:10px 14px;
  border-radius:12px;
  border:0;
  background:var(--accent);
  color:white;
  cursor:pointer;
  font-weight:600;
}

.communityList{
  margin-top:12px;
  display:grid;
  gap:8px;
}

.communityItem{
  padding:10px 12px;
  border-radius:14px;
  background:var(--bg-2);
  border:1px dashed var(--border);
  font-size:14px;
}

.settingsGrid{
  display:grid;
  grid-template-columns:1.4fr 0.6fr;
  gap:16px;
  margin-top:12px;
}

.settingsForm{
  display:grid;
  gap:14px;
}

.settingsGroup{
  display:grid;
  gap:10px;
  padding:12px;
  border-radius:16px;
  border:1px solid var(--border);
  background:var(--bg-2);
}

.settingsLabel{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.12em;
  color:var(--muted);
}

.settingsGroup label{
  display:grid;
  gap:6px;
  font-size:12px;
  color:var(--muted);
}

.unitLabel{
  font-size:11px;
  color:var(--muted);
}

.settingsGroup input{
  padding:8px 10px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--card);
  color:var(--text);
}

.settingsActions{
  display:flex;
  gap:10px;
}

.settingsActions button{
  padding:8px 12px;
  border-radius:10px;
  border:0;
  background:var(--accent);
  color:white;
  cursor:pointer;
  font-weight:600;
}

.settingsActions .ghost{
  background:transparent;
  color:var(--text);
  border:1px solid var(--border);
}

.settingsStatus{
  display:grid;
  gap:10px;
  padding:12px;
  border-radius:16px;
  border:1px solid var(--border);
  background:var(--bg-2);
  align-content:start;
}

.settingsStatusRow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
}

.statusPill{
  padding:4px 8px;
  border-radius:999px;
  background:var(--bg);
  border:1px solid var(--border);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:0.08em;
  color:var(--muted);
}

.statusPill.is-ok{ background:rgba(22,163,74,0.18); color:#15803d; border-color:rgba(22,163,74,0.35); }
.statusPill.is-bad{ background:rgba(220,38,38,0.15); color:#b91c1c; border-color:rgba(220,38,38,0.35); }

.footer{
  margin-top:24px;
  text-align:center;
  color:var(--muted);
  font-size:12px;
}

.footerLine{
  margin-bottom:8px;
}

.app > section,
.app > .stages{
  margin-bottom:18px;
}

@media (max-width: 960px){
  .hero{
    grid-template-columns:1fr;
  }
  .stages{
    grid-template-columns:1fr;
  }
}

@media (max-width: 640px){
  .topbar{
    flex-direction:column;
    align-items:flex-start;
  }
  .topbarControls{
    width:100%;
    justify-content:space-between;
  }
  .heroEyebrow{
    font-size:20px;
  }
  .tempValue{
    font-size:44px;
  }
  .communityForm{
    flex-direction:column;
  }

  .settingsGrid{
    grid-template-columns:1fr;
  }
}