:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --border: rgba(255,255,255,.12);

  --chip: rgba(255,255,255,.10);
  --chip2: rgba(255,255,255,.14);
}

*{ box-sizing: border-box; }

body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 700px at 20% 10%, #1b2a4a, var(--bg));
}

/* HERO */
.hero{
  position: relative;
  min-height: 45vh;
  padding: 28px 18px;
  display: flex;
  align-items: flex-end;
  background-image: url("assets/valls.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__overlay{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

.hero__content{
  position: relative;
  z-index: 1;
  color: #fff;
}

h1{ margin: 0 0 6px; font-size: 28px; }
p{ margin: 0; color: var(--muted); }

.status{
  margin-top: 6px;
  font-size: 12px;
  color: rgba(255,255,255,.75);
}

/* LAYOUT */
.grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 14px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 900px){
  .grid{ grid-template-columns: 1.2fr .8fr; }
}

/* permet fer seccions a tota amplada */
.span2{ grid-column: 1 / -1; }

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  backdrop-filter: blur(10px);
}

h2{
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--text);
}

/* Accessibilitat */
.sr-only{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  padding:0!important;
  margin:-1px!important;
  overflow:hidden!important;
  clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;
  border:0!important;
}

/* KPIs */
.kpis{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

@media (min-width: 520px){
  .kpis{ grid-template-columns: repeat(4, 1fr); }
}

.kpi{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
}

.kpi__v{ font-size: 22px; font-weight: 700; }
.kpi__l{ font-size: 12px; color: var(--muted); margin-top: 4px; }

.subs{
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

/* línia d’origen */
.source{
  display: inline-block;
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--chip);
  margin: 0 0 10px;
}

/* Day selector bar */
.daybar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}

.daybar__left{
  display:flex;
  flex-direction:column;
  gap: 4px;
}

.daybar__title{
  font-size: 14px;
  font-weight: 650;
  color: var(--text);
}

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

.daybar__right{
  display:flex;
  align-items:center;
  gap: 8px;
}

/* a mòbil, que no s’aixafi */
@media (max-width: 520px){
  .daybar{
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .daybar__right{
    width: 100%;
    justify-content: space-between;
  }
  .select{
    flex: 1;
    min-width: 0;
  }
}

.btn{
  appearance:none;
  border: 1px solid var(--border);
  background: var(--chip);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
}

.btn:hover{ background: var(--chip2); }
.btn:active{ transform: translateY(1px); }

.select{
  border: 1px solid var(--border);
  background: var(--chip);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
  min-width: 170px;
}

.select:focus, .btn:focus{
  outline: 2px solid rgba(255,255,255,.25);
  outline-offset: 2px;
}

/* CHARTS (Chart.js) */
.chart-box{
  height: 260px;
  display: flex;
  flex-direction: column;
}

.card.chart-box h2{
  margin: 0 0 10px;
  line-height: 1.2;
}

.chart-box canvas{
  width: 100% !important;
  flex: 1 1 auto !important;
  height: auto !important;
  display: block;
}

@media (min-width: 900px){
  .card.chart-box.span2{ height: 300px; }
}

/* FAQ */
#faq details{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(255,255,255,.04);
}

#faq details + details{
  margin-top: 8px;
}

#faq summary{
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

#faq summary::-webkit-details-marker{
  display: none;
}

#faq summary::after{
  content: "▾";
  float: right;
  opacity: .8;
  transform: translateY(1px);
}

#faq details[open] summary::after{
  content: "▴";
}

#faq details p{
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

/* Footer */
.footer{
  padding: 18px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* ===== Pàgines internes ===== */
.hero.hero--small{
  min-height: 28vh;
}

/* Llistes dins cards */
.list{
  margin: 10px 0 0;
  padding-left: 18px;
}
.list li{
  margin: 6px 0;
  color: var(--text);
}

/* Enllaços del footer coherents */
.footer a{
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  opacity: .95;
}
.footer a:hover{
  opacity: 1;
}

/* Botó gran de tornada (abaix de pàgina) */
.back-link{
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--chip2);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  transition: background .2s ease, transform .1s ease;
}
.back-link:hover{ background: var(--chip); }
.back-link:active{ transform: translateY(1px); }

/* ===== Breadcrumb / Ruta (funciona per a sobre.html i historic.html) ===== */
/* IMPORTANT: suportem 2 formats:
   A) <nav class="crumbs"><a>..</a> → <span>..</span></nav>  (historic.html)
   B) <nav class="crumbs"><div class="crumbs__left">..</div><div class="crumbs__right">..</div></nav> (sobre.html)
*/
.crumbs{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.crumbs a{
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dotted rgba(255,255,255,.35);
}
.crumbs a:hover{ opacity: .9; }

/* si existeixen wrappers left/right */
.crumbs__left{
  display:flex;
  align-items:center;
  gap: 10px;
}

.crumbs__right{
  display:flex;
  align-items:center;
  gap: 8px;
  flex-wrap: wrap;
}

/* a mòbil: apila i respira */
@media (max-width: 520px){
  .crumbs{
    flex-direction: column;
    align-items: stretch;
  }
  .crumbs__right{
    justify-content: flex-start;
  }
}

/* ===== Navegació ràpida (botons “Històric / Sobre”) ===== */
.quick-nav{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.quick-nav__btn{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--chip);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
  font-size: 14px;
  transition: background .2s ease, transform .1s ease, opacity .15s ease;
}

.quick-nav__btn:hover{
  background: var(--chip2);
}

.quick-nav__btn:active{
  transform: translateY(1px);
}

/* a mòbil: si vols que s’estirin i quedin alineats */
@media (max-width: 520px){
  .quick-nav__btn{
    flex: 1 1 auto;
    justify-content: center;
  }
}

/* ✅ Alias: si a sobre.html tens <a class="crumbs__btn">... */
/* el convertim al mateix estil que quick-nav__btn perquè tot “parli igual” */
.crumbs__btn{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--chip);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
  font-size: 14px;
  line-height: 1;
  transition: background .2s ease, transform .1s ease, opacity .15s ease;
}
.crumbs__btn:hover{ background: var(--chip2); }
.crumbs__btn:active{ transform: translateY(1px); }

/* ===== Històric ===== */
.muted-line{
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.hist-controls{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.hist-controls__left{
  display:flex;
  flex-direction:column;
  gap: 4px;
}
.hist-controls__right{
  display:flex;
  align-items:center;
  gap: 8px;
  flex-wrap: wrap;
}

.table-wrap{
  width: 100%;
  overflow-x: auto;
}

.hist-table{
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.hist-table th, .hist-table td{
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  white-space: nowrap;
}

.hist-table th{
  color: var(--text);
  font-weight: 650;
  background: rgba(255,255,255,.04);
}

.muted-cell{
  color: var(--muted);
  text-align: center;
  padding: 16px 10px;
}

/* Taula “stack” a mòbil */
@media (max-width: 720px){
  .hist-table thead{ display:none; }
  .hist-table tr{
    display:block;
    border: 1px solid var(--border);
    border-radius: 14px;
    margin: 10px 0;
    padding: 6px 10px;
    background: rgba(255,255,255,.03);
  }
  .hist-table td{
    display:flex;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 0;
    padding: 8px 0;
    white-space: normal;
  }
  .hist-table td::before{
    content: attr(data-label);
    color: var(--muted);
    padding-right: 10px;
  }
}
#rainMsg{
  text-align: center;
  font-size: 16px;
  font-style: italic;
  color: rgba(255,255,255,0.8);
  margin: auto;
  padding: 60px 0;
}