/* Solar Asset Monitor — dashboard-specific styles.
 * Owns: topbar, KPI cards, chart card, panel health grid, battery card,
 *       revenue/inverter panels, responsive breakpoints.
 * Does NOT own: landing page styles (see theme.css). */

:root {
  --bg: #0b1623;
  --bg-alt: #0f1e2e;
  --bg-card: #121f30;
  --fg: #e8edf5;
  --fg-muted: #7a8fa8;
  --fg-dim: #4a6078;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --accent-glow: rgba(245, 158, 11, 0.25);
  --green: #10b981;
  --green-dim: rgba(16, 185, 129, 0.12);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.12);
  --blue: #3b82f6;
  --blue-dim: rgba(59, 130, 246, 0.12);
  --border: rgba(255,255,255,0.06);
  --border-light: rgba(255,255,255,0.1);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.topbar-brand { display: flex; align-items: center; gap: 12px; }
.topbar-logo {
  width: 32px; height: 32px;
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.topbar-title {
  font-family: var(--font-display);
  font-size: 16px; font-weight: 700;
  color: var(--fg); letter-spacing: -0.01em;
}
.topbar-sub {
  font-size: 12px; color: var(--fg-muted);
  margin-left: 12px; padding-left: 12px;
  border-left: 1px solid var(--border-light);
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.live-badge {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--green); background: var(--green-dim);
  padding: 4px 12px; border-radius: 100px;
  border: 1px solid rgba(16,185,129,0.25);
}
.live-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 4px rgba(16,185,129,0); }
}
.topbar-time { font-size: 13px; color: var(--fg-muted); font-variant-numeric: tabular-nums; }

/* Dashboard layout */
.dashboard { max-width: 1360px; margin: 0 auto; padding: 28px 32px 48px; }

/* Site header */
.site-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; }
.site-name { font-family: var(--font-display); font-size: 24px; font-weight: 800; color: var(--fg); letter-spacing: -0.02em; }
.site-location { font-size: 14px; color: var(--fg-muted); margin-top: 4px; }
.site-meta { display: flex; gap: 20px; align-items: center; }
.site-meta-item { font-size: 12px; color: var(--fg-dim); display: flex; align-items: center; gap: 6px; }
.site-meta-item svg { opacity: 0.5; }

/* KPI cards */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.kpi-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px 24px;
  position: relative; overflow: hidden;
  transition: border-color 0.2s ease;
}
.kpi-card:hover { border-color: var(--border-light); }
.kpi-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; opacity: 0; transition: opacity 0.2s ease;
}
.kpi-card:hover::after { opacity: 1; }
.kpi-card--accent::after { background: var(--accent); }
.kpi-card--green::after { background: var(--green); }
.kpi-card--blue::after { background: var(--blue); }
.kpi-label { font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-dim); margin-bottom: 10px; }
.kpi-value { font-family: var(--font-display); font-size: 32px; font-weight: 800; color: var(--fg); letter-spacing: -0.02em; line-height: 1; }
.kpi-unit { font-size: 16px; font-weight: 600; color: var(--fg-muted); margin-left: 4px; }
.kpi-delta { display: inline-flex; align-items: center; gap: 3px; font-size: 12px; font-weight: 600; margin-top: 10px; padding: 2px 8px; border-radius: 6px; }
.kpi-delta--up { color: var(--green); background: var(--green-dim); }
.kpi-delta--down { color: var(--red); background: var(--red-dim); }

/* Main grid */
.main-grid { display: grid; grid-template-columns: 1fr 360px; gap: 16px; margin-bottom: 24px; }

/* Chart card */
.chart-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.chart-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.chart-title { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--fg); }
.chart-legend { display: flex; gap: 16px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--fg-muted); }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; }
.chart-wrap { height: 280px; position: relative; }

/* Side panels */
.side-stack { display: flex; flex-direction: column; gap: 16px; }
.panel-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; flex: 1; }
.panel-title { font-family: var(--font-display); font-size: 14px; font-weight: 700; color: var(--fg); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.panel-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; }
.p-cell { aspect-ratio: 1; border-radius: 3px; position: relative; transition: transform 0.15s ease; }
.p-cell:hover { transform: scale(1.3); z-index: 2; }
.p-cell--ok { background: rgba(16,185,129,0.5); }
.p-cell--warn { background: rgba(245,158,11,0.6); }
.p-cell--fault { background: rgba(239,68,68,0.6); }
.p-cell--offline { background: rgba(255,255,255,0.06); }
.panel-legend { display: flex; gap: 14px; margin-top: 14px; }
.panel-legend-item { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--fg-dim); }
.panel-legend-dot { width: 8px; height: 8px; border-radius: 2px; }

/* Battery */
.battery-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; }
.battery-visual { display: flex; align-items: center; gap: 20px; margin-top: 12px; }
.battery-shell { width: 100%; height: 32px; background: rgba(255,255,255,0.04); border-radius: 6px; border: 1px solid var(--border-light); position: relative; overflow: hidden; }
.battery-fill { height: 100%; border-radius: 5px; transition: width 1s ease; position: relative; }
.battery-fill--charging { background: linear-gradient(90deg, rgba(16,185,129,0.7), rgba(16,185,129,0.9)); }
.battery-fill--discharging { background: linear-gradient(90deg, rgba(245,158,11,0.7), rgba(245,158,11,0.9)); }
.battery-fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
  animation: batteryShimmer 2s ease-in-out infinite;
}
@keyframes batteryShimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.battery-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-top: 16px; }
.b-stat-label { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-dim); }
.b-stat-value { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--fg); margin-top: 2px; }
.b-stat-value--accent { color: var(--accent); }

/* Bottom row */
.bottom-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Revenue */
.revenue-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; }
.revenue-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.revenue-rows { display: flex; flex-direction: column; gap: 12px; }
.rev-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; background: rgba(255,255,255,0.02); border-radius: 8px; border: 1px solid var(--border); }
.rev-row-label { font-size: 13px; color: var(--fg-muted); }
.rev-row-value { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--fg); }
.rev-row-value--accent { color: var(--accent); }
.rev-row-value--green { color: var(--green); }

/* Inverters */
.inverter-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; }
.inverter-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.inv-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; background: rgba(255,255,255,0.02); border-radius: 8px; border: 1px solid var(--border); }
.inv-name { font-size: 13px; font-weight: 600; color: var(--fg); }
.inv-power { font-family: var(--font-display); font-size: 14px; font-weight: 700; color: var(--accent); }
.inv-status { display: flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; }
.inv-status--online { color: var(--green); }
.inv-status--warn { color: var(--accent); }
.inv-dot { width: 6px; height: 6px; border-radius: 50%; }
.inv-dot--online { background: var(--green); }
.inv-dot--warn { background: var(--accent); }

/* Footer */
.monitor-footer { text-align: center; padding: 32px; font-size: 12px; color: var(--fg-dim); border-top: 1px solid var(--border); margin-top: 16px; }
.monitor-footer a { color: var(--fg-muted); text-decoration: none; }
.monitor-footer a:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 1024px) {
  .main-grid { grid-template-columns: 1fr; }
  .bottom-row { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .dashboard { padding: 20px 16px 32px; }
  .topbar { padding: 12px 16px; }
  .kpi-row { grid-template-columns: 1fr; }
  .site-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .topbar-sub { display: none; }
}