/* ─────────────────────────────────────────────────────────
   Solar Dashboard — minimal dark style
───────────────────────────────────────────────────────── */

:root {
  --bg:       #0a0a0a;
  --surface:  #111111;
  --border:   rgba(255,255,255,.07);
  --text:     #f0f0f0;
  --dim:      #adadad;
  --amber:    #f5a623;
  --amber-lo: rgba(245,166,35,.08);
  --green:    #4ade80;
  --green-lo: rgba(74,222,128,.08);
  --blue:     #60a5fa;
  --red:      #f87171;
  --teal:     #2dd4bf;
  --radius:   12px;
  --font:     'Inter', system-ui, sans-serif;
  --mono:     'JetBrains Mono', 'Fira Code', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  line-height: 1.5;
}

#app {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* ── Header ──────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.site-meta {
  display: flex; align-items: center; gap: .6rem;
  font-size: .875rem; font-weight: 500; overflow: hidden;
}
.site-identity { display: flex; flex-direction: column; gap: .1rem; overflow: hidden; }
.site-name     { font-weight: 600; white-space: nowrap; }
.site-tagline  { font-size: .65rem; color: var(--dim); font-weight: 400;
                 white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--dim); flex-shrink: 0; transition: background .3s;
}
.dot.active  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot.offline { background: var(--red); }
.sep { color: var(--dim); }
.dim { color: var(--dim); }
.mono { font-family: var(--mono); }
.small { font-size: .78rem; }
.header-right {
  display: flex; align-items: center; gap: .9rem;
  flex-shrink: 0; font-size: .78rem;
}
.icon-btn {
  background: none; border: 1px solid var(--border);
  color: var(--dim); width: 28px; height: 28px;
  border-radius: 7px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color .15s, border-color .15s;
}
.icon-btn:hover { color: var(--amber); border-color: var(--amber); }
.icon-btn.spinning svg { animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Hero ────────────────────────────────────────────── */
.hero {
  padding: 3rem 0 2.5rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  border-bottom: 1px solid var(--border);
}
.hero-label {
  font-size: .72rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--dim);
}
.hero-value {
  font-family: var(--mono);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 500; letter-spacing: -.02em;
  color: var(--amber); line-height: 1; transition: color .4s;
}
.hero-value.zero { color: var(--dim); }

.flow-line {
  display: flex; align-items: center; gap: .5rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .08em;
}
.flow-tag {
  padding: .2rem .5rem; border-radius: 5px;
  border: 1px solid var(--border); color: var(--dim); transition: all .3s;
}
.flow-tag.active-pv   { color: var(--amber); border-color: var(--amber); background: var(--amber-lo); }
.flow-tag.active-load { color: var(--blue);  border-color: rgba(96,165,250,.35); background: rgba(96,165,250,.06); }
.flow-tag.export      { color: var(--green); border-color: rgba(74,222,128,.35); background: var(--green-lo); }
.flow-tag.import      { color: var(--red);   border-color: rgba(248,113,113,.35); background: rgba(248,113,113,.06); }
.flow-arrow { color: var(--border); font-size: .9rem; transition: color .3s; }
.flow-arrow.active { color: var(--amber); }
.flow-arrow.export { color: var(--green); }
.flow-arrow.import { color: var(--red); }

/* ── Stats row ───────────────────────────────────────── */
.stats-row {
  display: flex; align-items: center;
  padding: 1.75rem 0; border-bottom: 1px solid var(--border);
}
.stat { flex: 1; text-align: center; }
.stat-val {
  font-family: var(--mono); font-size: 1.3rem;
  font-weight: 500; letter-spacing: -.01em;
}
.stat-lbl {
  font-size: .7rem; text-transform: uppercase;
  letter-spacing: .1em; color: var(--dim); margin-top: .25rem;
}
.stat-divider { width: 1px; height: 2.5rem; background: var(--border); flex-shrink: 0; }

/* ── Layout helpers ──────────────────────────────────── */
.charts { padding: 1.5rem 0; display: flex; flex-direction: column; gap: 1.25rem; }
.charts-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; padding: 1.5rem 0; }

/* ── Chart panels ────────────────────────────────────── */
.chart-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.chart-full { margin: 1.5rem 0 0; }

.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}
.panel-title {
  font-size: .72rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; color: var(--dim);
}
.tag-note {
  font-size: .68rem; color: var(--dim);
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 4px; padding: .1rem .4rem; margin-left: .3rem;
}

.chart-wrap     { position: relative; height: 160px; }
.chart-wrap-tall{ position: relative; height: 220px; }
.chart-wrap-sm  { position: relative; height: 100px; }
.chart-wrap canvas, .chart-wrap-tall canvas, .chart-wrap-sm canvas { height: 100% !important; }

/* Period/action buttons */
.period-btns { display: flex; gap: .3rem; }
.pbtn {
  background: none; border: 1px solid var(--border);
  color: var(--dim); font-family: var(--mono); font-size: .7rem;
  padding: .15rem .5rem; border-radius: 5px;
  cursor: pointer; transition: all .15s;
}
.pbtn:hover  { color: var(--amber); border-color: var(--amber); }
.pbtn.active { background: var(--amber); border-color: var(--amber); color: #0a0a0a; font-weight: 600; }

/* ── Peak power panel ────────────────────────────────── */
.peak-panel { display: flex; flex-direction: column; }
.peak-display {
  display: flex; flex-direction: column; align-items: center;
  padding: 2rem 0 1.5rem; gap: .6rem;
}
.peak-value {
  font-family: var(--mono);
  font-size: 2.8rem; font-weight: 500;
  color: var(--teal); letter-spacing: -.02em;
}
.peak-meta { display: flex; align-items: baseline; gap: .4rem; }

/* ── Environmental ───────────────────────────────────── */
.env-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.env-item {
  background: var(--green-lo);
  border: 1px solid rgba(74,222,128,.15);
  border-radius: 8px; padding: .75rem .5rem; text-align: center;
}
.env-val { font-family: var(--mono); font-size: 1.25rem; font-weight: 500; }
.env-val.green { color: var(--green); }
.env-lbl { font-size: .7rem; color: var(--dim); margin-top: .15rem; }

/* ── Revenue totals ──────────────────────────────────── */
.rev-totals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  margin-top: .9rem;
  padding-top: .9rem;
  border-top: 1px solid var(--border);
}
.rev-total-item { text-align: center; }
.rev-total-val {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--green);
}
.rev-total-lbl {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--dim);
  margin-top: .15rem;
}

/* ── Inverter rows ───────────────────────────────────── */
.inv-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: .35rem 0; border-bottom: 1px solid var(--border);
  font-size: .83rem; gap: 1rem;
}
.inv-row:last-child { border-bottom: none; }
.inv-key { color: var(--dim); flex-shrink: 0; }
.inv-val { font-family: var(--mono); font-size: .78rem; text-align: right; word-break: break-all; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 680px) {
  .charts-2col { grid-template-columns: 1fr; }
  .stats-row   { flex-wrap: wrap; }
  .stat        { min-width: 45%; padding: .5rem 0; }
  .stat-divider{ display: none; }
  .hero-value  { font-size: 3.5rem; }
  .env-grid    { grid-template-columns: 1fr 1fr; }
}