/* style.css — Water Monitor dashboard
   Responsive: @media 980 (tablet), 640 (mobile), 420 (smal) */

:root {
  --bg:           #0a1929;
  --bg-card:     #102a43;
  --bg-card-hl:  #163a5f;
  --primary:     #4dabf7;
  --primary-2:   #74c0fc;
  --accent:      #20c997;
  --text:        #e3edf7;
  --text-dim:    #8eadc8;
  --border:      #1e3a5f;
  --grid:        #1a3050;
  --good:        #51cf66;
  --warn:        #ffd43b;
  --bad:         #ff6b6b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(180deg, #061321 0%, #0a1929 100%);
  color: var(--text);
  min-height: 100vh;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ── topbar ─────────────────────────────────────────── */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 25, 41, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo {
  font-size: 1.6rem;
}

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: background 0.3s;
}

.dot.connected {
  background: var(--good);
  box-shadow: 0 0 8px var(--good);
}

.dot.disconnected {
  background: var(--bad);
}

/* ── alert badges (leak / continue stroom / geen data) ─ */
.alert-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.alert-badge.hidden {
  display: none;
}

.alert-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* ─── OK-staat (default) — groen, geen pulse, voor alle 3 badges ─── */
.alert-badge[data-state="ok"] {
  background: rgba(81, 207, 102, 0.1);
  border: 1px solid var(--good);
  color: var(--good);
  animation: none;
}
.alert-badge[data-state="ok"] .alert-dot {
  background: var(--good);
  box-shadow: 0 0 6px var(--good);
}

/* ─── Alert-staten per type ─── */

/* Leak (rood, pulserend — hoogste prioriteit) */
.alert-leak[data-state="alert"] {
  background: rgba(255, 107, 107, 0.15);
  border: 1px solid var(--bad);
  color: var(--bad);
  animation: alert-pulse 1.4s ease-in-out infinite;
}
.alert-leak[data-state="alert"] .alert-dot {
  background: var(--bad);
  box-shadow: 0 0 8px var(--bad);
}

/* Continue stroom (oranje, pulserend — waarschuwing) */
.alert-flow[data-state="alert"] {
  background: rgba(255, 212, 59, 0.12);
  border: 1px solid var(--warn);
  color: var(--warn);
  animation: alert-pulse 1.8s ease-in-out infinite;
}
.alert-flow[data-state="alert"] .alert-dot {
  background: var(--warn);
  box-shadow: 0 0 8px var(--warn);
}

/* Geen data (grijs, niet pulserend — informatief) */
.alert-stale[data-state="alert"] {
  background: rgba(142, 173, 200, 0.1);
  border: 1px solid var(--text-dim);
  color: var(--text-dim);
  animation: none;
}
.alert-stale[data-state="alert"] .alert-dot {
  background: var(--text-dim);
  box-shadow: none;
}

@keyframes alert-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

.card-sub-sep {
  margin: 0 6px;
  opacity: 0.5;
}

/* ── main ───────────────────────────────────────────── */
main {
  padding: 32px;
  max-width: 1400px;
  margin: 0 auto;
}

/* ── cards row ──────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  border-color: var(--primary);
}

.card-primary {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-hl) 100%);
  border-color: var(--primary);
}

.card-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.card-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-2);
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}


.card-primary .card-value {
  color: var(--text);
}

.card-unit {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dim);
}

.card-sub {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* ── status card (4e card met 3 indicator-rijen) ───── */
.card-status {
  transition: border-color 0.3s;
}

.status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.row-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 0.3s, box-shadow 0.3s;
}

.row-label {
  font-weight: 500;
  min-width: 58px;
  color: var(--text);
}

.row-value {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-align: right;
}

/* Default = ok (groen voor alle types) */
.status-row[data-state="ok"] .row-dot {
  background: var(--good);
  box-shadow: 0 0 6px var(--good);
}
.status-row[data-state="ok"] .row-value {
  color: var(--good);
}

/* Alert per type — kleur volgt het type, niet de generic alert */
.status-row[data-state="alert"][data-type="leak"] .row-dot {
  background: var(--bad);
  box-shadow: 0 0 10px var(--bad);
  animation: row-pulse 1.4s ease-in-out infinite;
}
.status-row[data-state="alert"][data-type="leak"] .row-value {
  color: var(--bad);
  font-weight: 600;
}

.status-row[data-state="alert"][data-type="flow"] .row-dot {
  background: var(--warn);
  box-shadow: 0 0 10px var(--warn);
  animation: row-pulse 1.8s ease-in-out infinite;
}
.status-row[data-state="alert"][data-type="flow"] .row-value {
  color: var(--warn);
  font-weight: 600;
}

.status-row[data-state="alert"][data-type="stale"] .row-dot {
  background: var(--text-dim);
}
.status-row[data-state="alert"][data-type="stale"] .row-value {
  color: var(--text-dim);
  font-weight: 600;
}

@keyframes row-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

/* ── banner ─────────────────────────────────────────── */
.banner {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, #163a5f 0%, #0e2e4d 100%);
  border: 1px solid var(--primary);
  border-radius: 12px;
  padding: 16px 24px;
  margin-bottom: 24px;
  font-size: 0.95rem;
  color: var(--text);
}

.banner-icon {
  font-size: 1.3rem;
}

.banner-text strong {
  color: var(--primary-2);
  font-size: 1.15rem;
  font-variant-numeric: tabular-nums;
  margin: 0 2px;
}

.banner-text #banner-total-l,
.banner-text #banner-since {
  font-variant-numeric: tabular-nums;
}

/* ── charts grid ────────────────────────────────────── */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

/* ── charts ─────────────────────────────────────────── */
.chart-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.chart-wrap {
  width: 100%;
  height: 220px;
  position: relative;
}

/* SVG krijgt width/height via JS (clientWidth/clientHeight) zodat
   tekst en bars in echte pixels gerenderd worden — geen viewBox-rek. */
.chart-wrap svg {
  display: block;
}

.bar {
  cursor: pointer;
}

.bar {
  fill: var(--primary);
  transition: fill 0.2s;
}

.bar.current {
  fill: var(--accent);
}

.bar:hover {
  fill: var(--primary-2);
}

.grid-line {
  stroke: var(--grid);
  stroke-width: 1;
}

.axis-label {
  fill: var(--text-dim);
  font-size: 11px;
  font-family: inherit;
}

.bar-label {
  fill: var(--text-dim);
  font-size: 10px;
  text-anchor: middle;
  font-family: inherit;
}

.value-label {
  fill: var(--text);
  font-size: 10px;
  text-anchor: middle;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
}

/* ── footer ─────────────────────────────────────────── */
.footbar {
  text-align: center;
  padding: 20px;
  font-size: 0.8rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}

/* ── responsive: tablet ─────────────────────────────── */
@media (max-width: 980px) {
  main {
    padding: 24px 20px;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .card-primary {
    grid-column: 1 / -1;
  }

  .card-value {
    font-size: 2rem;
  }

  /* Charts vallen terug naar 1 kolom op tablet */
  .charts-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    padding: 16px 20px;
  }

  .topbar h1 {
    font-size: 1.3rem;
  }
}

/* ── responsive: mobile portrait ─────────────────────── */
@media (max-width: 640px) {
  main {
    padding: 16px 12px;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 20px;
  }

  .card {
    padding: 18px;
  }

  .card-primary {
    grid-column: auto;
  }

  .card-value {
    font-size: 1.8rem;
  }

  .chart-section {
    padding: 16px;
  }

  .charts-grid {
    gap: 14px;
  }

  .chart-wrap {
    height: 180px;
  }

  .banner {
    padding: 12px 16px;
    font-size: 0.88rem;
    gap: 10px;
    margin-bottom: 16px;
  }

  .banner-text strong {
    font-size: 1.05rem;
  }

  .topbar {
    padding: 12px 16px;
  }

  .topbar h1 {
    font-size: 1.1rem;
    gap: 8px;
  }

  .logo {
    font-size: 1.3rem;
  }

  .status {
    font-size: 0.8rem;
  }
}

/* ── responsive: smalle telefoons ───────────────────── */
@media (max-width: 420px) {
  main {
    padding: 12px 8px;
  }

  .topbar {
    padding: 10px 12px;
  }

  .topbar h1 {
    font-size: 1rem;
  }

  .status .status-text {
    display: none;
  }

  /* Alert-badges: alleen icon, geen tekst op smalle schermen */
  .alert-badge .alert-text {
    display: none;
  }

  .alert-badge {
    padding: 4px 6px;
  }

  .card {
    padding: 14px;
  }

  .card-title {
    font-size: 0.75rem;
  }

  .card-value {
    font-size: 1.6rem;
  }

  .chart-section {
    padding: 12px;
  }

  .chart-wrap {
    height: 160px;
  }

  .section-title {
    font-size: 0.9rem;
  }
}