.energy-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.energy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.energy-header h1 { font-size: 1.6rem; }
.back-link {
    color: #4ecdc4;
    text-decoration: none;
    font-size: 0.9rem;
}
.back-link:hover { text-decoration: underline; }

/* ── KPI Cards ─────────────────────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.kpi-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 18px 16px 14px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.kpi-icon {
    font-size: 1.4rem;
    margin-bottom: 4px;
    opacity: 0.8;
}
.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: #4ecdc4;
    line-height: 1.2;
}
.kpi-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}
.kpi-unit {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin-top: 2px;
}
.kpi-card.production .kpi-value { color: #f0a830; }
.kpi-card.consumption .kpi-value { color: #42a5f5; }
.kpi-card.export .kpi-value { color: #4ecdc4; }
.kpi-card.import .kpi-value { color: #e07020; }
.kpi-card.battery .kpi-value { color: #66bb6a; }
.kpi-card.self-consumption .kpi-value { color: #ab47bc; }
.kpi-card.savings .kpi-value { color: #26a69a; }

/* ── Breakdown Row (two-column) ───────────────────────────────────────── */
.breakdown-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}
.breakdown-card {
    min-height: 220px;
}

/* ── Energy Flow Stats ────────────────────────────────────────────────── */
.flow-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
    margin-bottom: 16px;
}
.flow-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}
.flow-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.flow-label {
    color: var(--text-secondary);
    flex: 1;
}
.flow-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* ── Self-Consumption Bar ─────────────────────────────────────────────── */
.self-consumption-bar-container {
    margin-top: 8px;
}
.self-consumption-bar {
    height: 24px;
    border-radius: 12px;
    background: rgba(255,255,255,0.06);
    display: flex;
    overflow: hidden;
}
.sc-segment {
    height: 100%;
    transition: width 0.5s ease;
    min-width: 0;
}
.sc-self {
    background: linear-gradient(90deg, #4ecdc4, #26a69a);
    border-radius: 12px 0 0 12px;
}
.sc-export {
    background: linear-gradient(90deg, #f0a830, #e07020);
    border-radius: 0 12px 12px 0;
}
.sc-bar-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}
.sc-label-self { color: #4ecdc4; }
.sc-label-export { color: #e07020; }

/* ── Savings Grid ─────────────────────────────────────────────────────── */
.savings-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.savings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}
.savings-label {
    color: var(--text-secondary);
}
.savings-value {
    font-weight: 600;
    color: var(--text-primary);
}
.savings-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 4px 0;
}
.savings-total .savings-label {
    font-weight: 600;
    color: var(--text-primary);
}
.savings-total .savings-value {
    color: #26a69a;
    font-size: 1rem;
}

/* ── Chart Cards ──────────────────────────────────────────────────────── */
.chart-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}
.chart-card h2 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}
.chart-toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.chart-toolbar button {
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.15s, border-color 0.15s;
}
.chart-toolbar button:hover {
    background: rgba(255,255,255,0.05);
}
.chart-toolbar button.active {
    background: #4ecdc4;
    color: #000;
    border-color: #4ecdc4;
}
.chart-container {
    position: relative;
    height: 300px;
}

/* ── History Table ────────────────────────────────────────────────────── */
.energy-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.energy-table th, .energy-table td {
    padding: 8px 12px;
    text-align: right;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.energy-table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 1;
}
.energy-table th:first-child,
.energy-table td:first-child { text-align: left; }
.energy-table tbody tr:hover {
    background: rgba(255,255,255,0.03);
}
.table-scroll {
    max-height: 400px;
    overflow-y: auto;
}
/* Highlight today's row */
.energy-table tbody tr.row-today {
    background: rgba(78, 205, 196, 0.06);
}
.energy-table tbody tr.row-today td:first-child {
    font-weight: 600;
    color: #4ecdc4;
}

/* ── Light Theme Overrides ────────────────────────────────────────────── */
[data-theme="light"] .kpi-card,
[data-theme="light"] .chart-card { background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
[data-theme="light"] .chart-toolbar button { border-color: #ddd; color: #333; }
[data-theme="light"] .chart-toolbar button:hover { background: rgba(0,0,0,0.04); }
[data-theme="light"] .chart-toolbar button.active { color: #000; }
[data-theme="light"] .energy-table th,
[data-theme="light"] .energy-table td { border-bottom-color: #eee; }
[data-theme="light"] .energy-table th { background: #fff; }
[data-theme="light"] .self-consumption-bar { background: rgba(0,0,0,0.06); }
[data-theme="light"] .savings-divider { background: rgba(0,0,0,0.08); }
[data-theme="light"] .energy-table tbody tr:hover { background: rgba(0,0,0,0.02); }
[data-theme="light"] .energy-table tbody tr.row-today { background: rgba(78,205,196,0.08); }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .energy-page { padding: 12px; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .kpi-value { font-size: 1.5rem; }
    .breakdown-row { grid-template-columns: 1fr; }
    .chart-container { height: 220px; }
    .energy-table { font-size: 0.75rem; }
    .energy-table th, .energy-table td { padding: 6px 8px; }
}
@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .kpi-card { padding: 12px 10px 10px; }
    .kpi-value { font-size: 1.3rem; }
    .flow-stats { grid-template-columns: 1fr; }
}