:root {
  --v3-bg: #070A10;
  --v3-surface: rgba(255,255,255,0.06);
  --v3-surface-2: rgba(255,255,255,0.10);
  --v3-border: rgba(255,255,255,0.14);
  --v3-border-hover: rgba(255,255,255,0.22);
  --v3-text: #EAF0FF;
  --v3-text-secondary: rgba(234,240,255,0.70);
  --v3-accent: #63D4FF;
  --v3-accent-2: #7CFFB2;
  --v3-danger: #FF5C7A;
  --v3-warn: #FFD963;
  --v3-shadow: 0 10px 30px rgba(0,0,0,0.45);
  --v3-radius: 14px;
  --v3-radius-sm: 10px;
  --v3-gap: 12px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--v3-bg);
  color: var(--v3-text);
  line-height: 1.4;
  min-height: 100vh;
}

.v3-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---- CARD ---- */
.v3-card {
  background: var(--v3-surface);
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius);
  box-shadow: var(--v3-shadow);
  padding: 16px;
  backdrop-filter: blur(8px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.v3-card:hover {
  border-color: var(--v3-border-hover);
}

.v3-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--v3-text);
  letter-spacing: 0.3px;
}

.v3-card-title span:first-child {
  font-size: 1.3rem;
}

.v3-section-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--v3-text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---- BUTTONS ---- */
.v3-btn {
  appearance: none;
  border: 1px solid var(--v3-border);
  background: var(--v3-surface-2);
  color: var(--v3-text);
  border-radius: var(--v3-radius-sm);
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.v3-btn:hover {
  background: rgba(255,255,255,0.14);
  border-color: var(--v3-border-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.v3-btn:active {
  transform: translateY(0);
}

.v3-btn--sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.v3-btn--primary {
  border-color: rgba(99,212,255,0.35);
  background: rgba(99,212,255,0.12);
  color: var(--v3-accent);
}

.v3-btn--primary:hover {
  background: rgba(99,212,255,0.22);
  border-color: rgba(99,212,255,0.55);
}

.v3-btn--on {
  border-color: rgba(124,255,178,0.35);
  background: rgba(124,255,178,0.12);
  color: var(--v3-accent-2);
}

.v3-btn--on:hover {
  background: rgba(124,255,178,0.22);
  border-color: rgba(124,255,178,0.55);
}

.v3-btn--off {
  border-color: rgba(255,92,122,0.35);
  background: rgba(255,92,122,0.10);
  color: var(--v3-danger);
}

.v3-btn--off:hover {
  background: rgba(255,92,122,0.20);
  border-color: rgba(255,92,122,0.55);
}

/* ---- STATUS DOT ---- */
.v3-status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}

.v3-status-dot--on {
  background: var(--v3-accent-2);
  box-shadow: 0 0 8px rgba(124,255,178,0.6);
}

.v3-status-dot--off {
  background: rgba(255,255,255,0.2);
}

.v3-status-dot--active {
  background: var(--v3-warn);
  box-shadow: 0 0 8px rgba(255,217,99,0.6);
}

.v3-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--v3-text-secondary);
}

.v3-title-values {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.v3-title-value {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--v3-text);
  background: var(--v3-surface-2);
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-sm);
  padding: 4px 8px;
  white-space: nowrap;
}

#hdr_wtemp,
#hdr_wstand,
#hdr_wseit,
#hdr_sbezug,
#hdr_seinsp {
  font-size: 0.8rem;
}

/* ---- ROOM ROW (Licht) ---- */
.v3-room-row {
  background: var(--v3-surface);
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.v3-room-row:hover {
  border-color: var(--v3-border-hover);
}

.v3-room-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.v3-room-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---- INFO ITEMS ---- */
.v3-info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.v3-info-label {
  font-size: 0.7rem;
  color: var(--v3-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.v3-info-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--v3-text);
}

/* ---- TEMP ---- */
.v3-temp {
  font-size: 1.4rem;
  font-weight: 700;
}

.v3-temp--normal {
  color: var(--v3-text);
}

.v3-temp--hot {
  color: var(--v3-danger);
}

.v3-temp--warm {
  color: var(--v3-warn);
}

/* ---- INPUTS ---- */
.v3-input {
  background: rgba(0,0,0,0.25);
  color: var(--v3-text);
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-sm);
  padding: 6px 10px;
  font-size: 0.9rem;
  width: 60px;
  text-align: center;
  transition: border-color 0.2s ease;
}

.v3-input:focus {
  outline: none;
  border-color: var(--v3-accent);
}

/* ---- SLIDER ---- */
.v3-slider {
  width: 180px;
  accent-color: var(--v3-accent);
}

/* ---- COLOR ---- */
.v3-color {
  width: 48px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-sm);
  background: transparent;
  cursor: pointer;
}

/* ---- WLED ---- */
.v3-wled {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.v3-wled-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.v3-wled-label {
  font-size: 0.85rem;
  color: var(--v3-text-secondary);
  min-width: 80px;
}

.v3-wled-val {
  font-size: 0.85rem;
  color: var(--v3-text);
  font-weight: 600;
  min-width: 50px;
}

/* ---- GAUGE ---- */
.v3-gauge-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

#v3_gauge {
  border-radius: var(--v3-radius);
}

/* ---- CHART ---- */
.v3-chart-container {
  background: rgba(0,0,0,0.2);
  border-radius: var(--v3-radius-sm);
  padding: 8px;
  overflow: hidden;
}

#v3_power_chart {
  width: 100%;
  height: 200px;
  display: block;
}

/* ---- CLOCK ---- */
.v3-clock {
  text-align: center;
  padding: 12px;
}

.v3-clock-time {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--v3-accent);
  font-variant-numeric: tabular-nums;
}

.v3-clock-date {
  font-size: 0.9rem;
  color: var(--v3-text-secondary);
  margin-bottom: 8px;
}

.v3-sun-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 6px;
}

.v3-sun-row img {
  vertical-align: middle;
}

.v3-sun-text {
  font-size: 0.9rem;
  color: var(--v3-text-secondary);
}

/* ---- IFRAME ---- */
iframe {
  border: 0;
  display: block;
  background: transparent;
  width: 100%;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .v3-page {
    padding: 8px;
  }
  
  .v3-card {
    padding: 12px;
  }
  
  .v3-btn {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
  
  .v3-wled-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---- ANIMATIONS ---- */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 6px rgba(124,255,178,0.4); }
  50% { box-shadow: 0 0 14px rgba(124,255,178,0.7); }
}

.v3-status-dot--on {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--v3-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--v3-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--v3-border-hover);
}

/* ====================================================================
   indexV3 – Grid-Layout & Modul-Bausteine
   ==================================================================== */

.v3-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.v3-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.3px;
}

.v3-header .v3-sub {
  font-size: 0.85rem;
  color: var(--v3-text-secondary);
}

/* Karten strikt untereinander (eine Spalte). Reihenfolge per order unten. */
.v3-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

/* Gewuenschte Reihenfolge von oben nach unten:
   Stromzaehler, Licht, Rolladen, Steckdosen, Heizung, Haus, Uhr.
   Quell-Reihenfolge im HTML ist:
   1 Stromzaehler, 2 Licht, 3 Heizung, 4 Rolladen, 5 Steckdosen, 6 Haus, 7 Uhr. */
.v3-grid > section:nth-child(1) { order: 1; } /* Stromzaehler */
.v3-grid > section:nth-child(2) { order: 2; } /* Licht */
.v3-grid > section:nth-child(3) { order: 5; } /* Heizung -> nach unten */
.v3-grid > section:nth-child(4) { order: 3; } /* Rolladen */
.v3-grid > section:nth-child(5) { order: 4; } /* Steckdosen */
.v3-grid > section:nth-child(6) { order: 6; } /* Haus */
.v3-grid > section:nth-child(7) { order: 7; } /* Uhr */

/* Karten, die mehr Platz brauchen (Heizung, Stromzähler) */
.v3-card--wide {
  grid-column: 1 / -1;
}

.v3-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.v3-muted {
  color: var(--v3-text-secondary);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

/* Verstecktes Schreib-Iframe (AWP-POST-Ziel) */
.v3-sink {
  position: fixed;
  left: -9999px;
  width: 0;
  height: 0;
  border: 0;
}

/* Knopf-Paare (auf/ab, an/aus) */
.v3-btn-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.v3-btn-group form {
  margin: 0;
}

/* ---- Heizungs-Zeile ---- */
.v3-heat-row {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr auto 0.9fr auto auto;
  gap: 10px;
  align-items: center;
  background: var(--v3-surface);
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-sm);
  padding: 10px 12px;
  margin: 0;
  transition: border-color 0.25s ease;
}

.v3-heat-row:hover {
  border-color: var(--v3-border-hover);
}

.v3-heat-head {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr auto 0.9fr auto auto;
  gap: 10px;
  padding: 0 12px 4px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--v3-text-secondary);
}

/* Getrennte Schreib-Form je SOLL-Wert (min bzw. max) */
.v3-heat-set {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
}

.v3-heat-set .v3-input {
  width: 54px;
}

/* ---- Zähler (Strom + Wasser) ---- */
.v3-strom-layout {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	grid-template-rows: auto auto;
	gap: 16px;
	justify-items: center;
	align-items: start;
}

.v3-strom-layout > .v3-gauge-container {
	grid-column: 1;
	grid-row: 1;
}

.v3-strom-values {
	grid-column: 1;
	grid-row: 2;
	display: flex;
	flex-direction: row;
	gap: 16px;
	justify-content: center;
	align-items: flex-start;
	min-width: 140px;
}

.v3-strom-layout > .v3-chart-container:nth-child(3) {
	grid-column: 2;
	grid-row: 1 / 3;
	align-self: center;
}

.v3-strom-layout > .v3-chart-container:nth-child(4) {
	grid-column: 3;
	grid-row: 1 / 3;
	align-self: center;
}

.v3-strom-values .v3-info-value {
	font-size: 0.95rem;
}

/* Wasserzähler */
.v3-water-layout {
	display: grid;
	grid-template-columns: 1fr;
	grid-template-rows: auto;
	gap: 16px;
	justify-items: start;
	align-items: start;
}

.v3-water-layout > .v3-chart-container {
	grid-column: 1;
	grid-row: 1;
	align-self: center;
	justify-self: start;
	width: fit-content;
}

@media (max-width: 1100px) {
	.v3-strom-layout,
	.v3-water-layout {
		grid-template-columns: 1fr;
		grid-template-rows: auto;
	}

	.v3-strom-layout > .v3-gauge-container,
	.v3-strom-layout > .v3-strom-values,
	.v3-strom-layout > .v3-chart-container:nth-child(3),
	.v3-strom-layout > .v3-chart-container:nth-child(4),
	.v3-water-layout > .v3-chart-container {
		grid-column: 1;
		grid-row: auto;
		align-self: center;
	}
}

#v3_gauge,
#v3_power_chart,
#v3_daily_chart,
#v3_water_chart {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--v3-radius-sm);
  border: 1px solid var(--v3-border);
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  aspect-ratio: 2 / 1;
}

#v3_gauge {
  border-radius: var(--v3-radius);
  max-width: 360px;
  aspect-ratio: 3 / 1;
}

@media (max-width: 768px) {
  .v3-heat-row,
  .v3-heat-head {
    grid-template-columns: 1fr auto auto;
    grid-auto-rows: auto;
  }
  .v3-heat-head { display: none; }
}

/* Sanfte Uebergaenge + Schalt-Feedback (V3) */
.v3-temp { transition: color 0.3s ease; }

@keyframes v3-flash-ok-anim {
  from { box-shadow: 0 0 0 2px rgba(124, 255, 178, 0.85); }
  to   { box-shadow: 0 0 0 2px rgba(124, 255, 178, 0); }
}
@keyframes v3-flash-err-anim {
  from { box-shadow: 0 0 0 2px rgba(255, 92, 122, 0.9); }
  to   { box-shadow: 0 0 0 2px rgba(255, 92, 122, 0); }
}
.v3-flash-ok { animation: v3-flash-ok-anim 0.6s ease-out; }
.v3-flash-err { animation: v3-flash-err-anim 0.6s ease-out; }

/* ---- Poolpumpe Fortschrittsbalken (IST vs. SOLL Laufzeit) ---- */
.v3-pool-row {
	display: flex;
	align-items: center;
	gap: 10px;
}

.v3-pool-bar {
	position: relative;
	flex: 1;
	min-width: 0;
	height: 18px;
	background: rgba(255,255,255,0.08);
	border: 1px solid var(--v3-border);
	border-radius: 999px;
	overflow: hidden;
}

.v3-pool-bar-fill {
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 0%;
	background: linear-gradient(90deg, rgba(99,212,255,0.55), rgba(99,212,255,0.95));
	border-radius: 999px;
	transition: width 0.6s ease;
}

.v3-pool-bar-fill--done {
	background: linear-gradient(90deg, rgba(124,255,178,0.55), rgba(124,255,178,0.95));
	box-shadow: 0 0 10px rgba(124,255,178,0.5);
}

.v3-pool-bar-label {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 0.72rem;
	font-weight: 600;
	color: var(--v3-text);
	text-shadow: 0 1px 3px rgba(0,0,0,0.8);
	white-space: nowrap;
	pointer-events: none;
}

.v3-pool-set {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-shrink: 0;
}

.v3-pool-set-label {
	font-size: 0.75rem;
	color: var(--v3-text-secondary);
	white-space: nowrap;
}

.v3-pool-set .v3-input {
	width: 80px;
}