:root {
  /* Atmospheric & Sophisticated Palette */
  --bg-base: hsl(220, 30%, 98%);
  --accent: hsl(205, 90%, 50%);
  --accent-soft: hsla(205, 90%, 50%, 0.08);
  --primary: hsl(225, 30%, 20%);
  --text-main: hsl(225, 20%, 15%);
  --text-muted: hsl(225, 10%, 45%);
  --sun: hsl(42, 100%, 55%);
  --energy: hsl(152, 70%, 38%);
  --rain: hsl(205, 80%, 45%);

  /* Elegant Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at 10% 20%, hsla(215, 60%, 95%, 1) 0%, hsla(220, 30%, 98%, 1) 100%);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  min-height: 100dvh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

/* Atmospheric Background Layer */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(at 100% 0%, hsla(205, 100%, 70%, 0.15) 0px, transparent 50%),
    radial-gradient(at 0% 100%, hsla(42, 100%, 70%, 0.1) 0px, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

/* Header: Integrated & Floating */
.header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 16px;
  position: relative;
  z-index: 1001;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0;
  letter-spacing: -0.03em;
  text-wrap: balance;
  transition: transform 0.4s var(--ease-out);
}

/* Search bar: Minimalist line style */
.search-and-presets {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: flex-end;
}

.search-wrapper {
  display: flex;
  align-items: center;
  position: relative;
}

.icon-btn {
  background: var(--accent-soft);
  border: none;
  padding: 10px;
  color: var(--accent);
  cursor: pointer;
  border-radius: 10px;
  transition: all 0.3s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: var(--accent);
  color: white;
  transform: scale(1.05);
}

.search-container {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  display: flex;
  gap: 8px;
  background: transparent;
  padding: 0;
  border-bottom: 2px solid var(--accent);
  transition: all 0.5s var(--ease-out);
  align-items: center;
  position: relative;
}

.search-wrapper.expanded .search-container {
  max-width: 280px;
  opacity: 1;
  padding: 0 4px 8px 4px;
  margin-left: 10px;
}

  @media (max-width: 600px) {
    .search-wrapper.expanded .search-container {
      max-width: 100%;
    }
  }

.search-wrapper.expanded + .presets {
  display: none;
}

input[type="text"] {
  flex: 1;
  border: none;
  padding: 8px 0;
  font-size: 1rem;
  font-weight: 500;
  outline: none;
  background: transparent;
  font-family: inherit;
  color: var(--primary);
  width: 180px;
}

.go-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 6px 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}

/* Presets: Elegant Pills */
.presets {
  display: flex;
  gap: 6px;
}

.preset-btn {
  background: transparent;
  color: var(--text-muted);
  padding: 7px 14px;
  font-size: 0.82rem;
  border: 1px solid hsla(225, 20%, 80%, 0.5);
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.preset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* Duration Selector */
.duration-selector {
  display: flex;
  gap: 2px;
  background: var(--accent-soft);
  padding: 3px;
  border-radius: 10px;
  align-self: flex-start;
}

.duration-btn {
  background: transparent;
  color: var(--accent);
  border: none;
  padding: 5px 11px;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 7px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
}

.duration-btn.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 3px 10px rgba(205, 90, 50, 0.2);
}

.duration-btn:hover:not(.active) {
  background: hsla(205, 90%, 50%, 0.15);
}

/* ========== CURRENT WEATHER CARDS ========== */
.current-weather {
  margin-bottom: 16px;
}

.weather-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.weather-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid hsla(225, 20%, 90%, 0.6);
  border-radius: 12px;
  padding: 8px 8px;
  text-align: center;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.weather-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.weather-card .card-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.weather-card .card-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.weather-card .card-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.weather-card .weather-icon {
  font-size: 1.4rem;
  line-height: 1;
  margin-bottom: 1px;
}

/* Skeleton loading animation */
.skeleton {
  animation: skeleton-pulse 1.6s ease-in-out infinite;
}

.skeleton-line {
  background: linear-gradient(90deg, hsla(225, 20%, 92%, 1) 25%, hsla(225, 20%, 96%, 1) 50%, hsla(225, 20%, 92%, 1) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
  border-radius: 6px;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Sun strip: sunrise / sunset / daylight */
.sun-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  align-items: center;
  margin-top: 10px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid hsla(225, 20%, 90%, 0.5);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.sun-item { display: inline-flex; align-items: center; gap: 6px; }
.sun-item strong { color: var(--primary); font-weight: 700; }
.sun-ico { color: var(--sun); font-weight: 800; }

/* Wind direction arrow (points where wind goes to) */
.wind-arrow {
  display: inline-block;
  font-size: 0.95rem;
  color: var(--accent);
  transform-origin: center;
  margin-right: 2px;
}

/* Geolocation button: icon-only roundish pill */
.geo-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 9px;
}
.geo-btn.loading svg {
  animation: spin 0.8s linear infinite;
}

.error-banner {
  background: hsla(0, 80%, 92%, 0.8);
  border: 1px solid hsla(0, 70%, 80%, 0.5);
  border-radius: 12px;
  padding: 12px 18px;
  margin-top: 12px;
  color: hsl(0, 60%, 40%);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
}

/* Section Header */
.chart-section {
  position: relative;
  padding-bottom: 36px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 16px;
}

.header-tools {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  margin: 0;
  letter-spacing: -0.02em;
}

.section-header p {
  margin: 6px 0 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.chart-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 18px;
  font-style: italic;
  opacity: 0.8;
  max-width: 600px;
}

/* Solar Controls */
.controls-wrapper {
  display: flex;
  gap: 18px;
  align-items: center;
}

.controls {
  display: flex;
  gap: 18px;
  align-items: center;
}

.input-group {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.small-input {
  width: 48px;
  border: none;
  border-bottom: 1px solid hsla(225, 20%, 80%, 0.5);
  background: transparent;
  padding: 3px 0;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--accent);
  text-align: center;
  transition: border-color 0.3s;
}

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

.value-display {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
}

/* kWp input group */
.kwp-group .small-input {
  width: 56px;
  font-size: 1.2rem;
}

.kwp-group .unit {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

.unit {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.chart-container {
  width: 100%;
}

/* Autocomplete */
.suggestions-list {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  background: white;
  border-radius: 12px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.1);
  max-height: 280px;
  overflow-y: auto;
  z-index: 2000;
  display: none;
}

.suggestion-item {
  padding: 12px 18px;
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 1px solid hsla(225, 20%, 95%, 1);
  transition: background 0.2s;
}

.suggestion-item:hover {
  background: var(--accent-soft);
}

.suggestion-item span {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Chart Loading / Error States */
.chart-wrapper {
  position: relative;
  min-height: 300px;
}

.chart-loading {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 12px;
  z-index: 10;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
}

.chart-loading.active {
  display: flex;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid hsla(225, 20%, 90%, 1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.chart-error {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  z-index: 10;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.chart-error.active {
  display: flex;
}

.retry-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.retry-btn:hover {
  opacity: 0.9;
}

/* Solar Metric Cards */
.solar-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.metric-card {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid hsla(225, 20%, 90%, 0.5);
  border-radius: 12px;
  padding: 12px 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.metric-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.metric-value small {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
}

.metric-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Custom solar tooltip */
.solar-tooltip {
  padding: 8px 14px;
  text-align: center;
}

.st-tip-time {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.st-tip-power {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--sun);
}

.st-tip-power small {
  font-size: 0.7rem;
  font-weight: 600;
}
.st-tip-cum {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--energy);
  margin-top: 1px;
}
.st-tip-cum small {
  font-size: 0.7rem;
  font-weight: 600;
}

.st-tip-gti {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 1px;
}
.app-footer {
  text-align: center;
  margin-top: 80px;
  padding-bottom: 60px;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.8;
}

.app-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
}

.app-footer a:hover {
  text-decoration: underline;
}

.version-tag {
  margin-top: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.6;
}

.version-tag span {
  font-variant-numeric: tabular-nums;
}

/* Responsive Fixes */
@media (max-width: 900px) {
  .container {
    padding: 16px 14px 28px;
  }

  .header {
    margin-bottom: 10px;
  }

  h1 {
    font-size: 1.4rem;
    width: 100%;
    text-align: left;
  }

  .search-and-presets {
    width: 100%;
    justify-content: flex-start;
  }

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

@media (max-width: 600px) {
  .container {
    padding: 28px 14px;
  }

  /* Hide chart legend on small screens — saves ~35px of precious chart height */
  .apexcharts-legend { display: none !important; }

  h1 {
    font-size: 1.25rem;
  }

  .section-header {
    flex-direction: column;
    gap: 10px;
  }

  .header-tools {
    width: 100%;
    align-items: stretch;
  }

  .controls-wrapper {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .controls {
    justify-content: flex-start;
  }

  .weather-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .weather-card {
    padding: 8px 6px;
  }

  .weather-card .card-value {
    font-size: 1.05rem;
  }

  .chart-wrapper {
    min-height: 220px;
  }

  .solar-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}