/* Modern Solar Stats Styling */
.growatt-solar-chart-container {
  background: #ffffff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica,/* Modern Accessible Design */
.solar-card {
    background: #ffffff;
    border: 1px solid #e2e8f0; /* Soft border */
    border-radius: 12px; /* Modern radius */
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); /* Soft shadow */
    font-family: 'Inter', -apple-system, sans-serif;
}

/* Controls */
.solar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8fafc;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    margin-bottom: 20px;
    flex-wrap: wrap; 
    gap: 12px;
}

#growattTimeUnit, #growattYearSelect, #growattMonthSelect {
    padding: 10px 16px;
    border: 1px solid #94a3b8; /* Contrast border */
    border-radius: 6px;
    background: white;
    font-size: 16px; /* Accessible text */
    color: #0f172a; /* Dark text */
    cursor: pointer;
    font-weight: 500;
    min-height: 44px; /* Touch target */
}

#growattRefreshBtn {
    background: #2563eb; /* Modern Blue */
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-transform: none; /* Friendly case */
    min-height: 44px; /* Touch target */
    transition: background 0.2s;
}
#growattRefreshBtn:hover {
    background: #1d4ed8;
}
#growattRefreshBtn:disabled {
    background: #e2e8f0;
    color: #94a3b8;
    cursor: not-allowed;
    border: 1px solid #cbd5e1;
}

/* Summary Stats */
.solar-summary {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.summary-item {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 16px;
    border-radius: 8px;
    flex: 1;
    min-width: 140px;
    text-align: center;
}
.summary-label {
    display: block;
    font-size: 13px;
    color: #64748b; /* Accessible grey */
    margin-bottom: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.summary-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #0f172a; /* Very dark blue/black */
}

/* Loader Overlay */
#growattLoader {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(2px); /* Modern blur */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    font-size: 18px;
    font-weight: 600;
    color: #2563eb;
    border-radius: 12px;
}

/* Error Message */
#growattError {
    color: #991b1b;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    display: none;
    font-weight: 500;
    text-align: center;
}

.growatt-controls button#growattRefreshBtn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(5, 117, 230, 0.3);
}

.growatt-controls button#growattRefreshBtn:active {
  transform: translateY(1px);
}

/* Summary Cards */
#growattSummary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
  background: transparent !important; /* Override inline style */
  padding: 0 !important;
}

.stat-box {
  background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid #e9ecef;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.stat-box strong {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #868e96;
  margin-bottom: 8px;
}

.stat-box span {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(45deg, #11998e, #38ef7d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Chart Area */
.growatt-chart-wrapper {
  position: relative;
  height: 400px;
  width: 100%;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e9ecef;
  padding: 10px;
}

/* Responsive */
@media (max-width: 600px) {
  .growatt-controls {
    flex-direction: column;
    align-items: stretch;
  }
  #growattSummary {
    grid-template-columns: 1fr;
  }
}