/* ==========================================================================
   CO₂ Monitor Widget — VentPlus
   Animated live-reading widget used in hero sections across all pages.
   Palette, fonts, and radius inherit from style.css :root variables.
   ========================================================================== */

/* ── 2-column hero layout (index.html) ── */
.hero-columns {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

/* ── 2-column layout (homes / offices / greenhouses detail heroes) ── */
.detail-hero-columns {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  max-width: 1100px;
}

/* ── Widget card ── */
.co2-device-widget {
  background: var(--paper);
  border: 1.5px solid rgba(22, 53, 42, 0.18);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
  width: 248px;
  flex-shrink: 0;
  box-shadow:
    0 8px 32px rgba(22, 53, 42, 0.09),
    0 2px 8px  rgba(22, 53, 42, 0.06);
  animation: cdwFadeUp 0.9s 0.4s ease both;
  position: relative;
}

@keyframes cdwFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ── Top-right icons: WiFi + Relay indicator ── */
.cdw-icons {
  position: absolute;
  top: 14px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cdw-icon-wifi { color: var(--leaf); }

.cdw-icon-r {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--leaf);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ── Main CO₂ reading ── */
.cdw-label {
  font-family: var(--font-mono);
  font-size: 8.5px;
  color: var(--leaf);
  letter-spacing: 2.5px;
  text-align: center;
  margin-bottom: 6px;
  font-weight: 700;
  text-transform: uppercase;
}

.cdw-val {
  font-family: var(--font-display);
  font-size: 58px;
  font-weight: 500;
  color: var(--ink);
  text-align: center;
  line-height: 1;
  letter-spacing: -2px;
}

.cdw-unit {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 4px;
  letter-spacing: 1.5px;
  font-weight: 500;
}

/* ── Temperature + Humidity tiles ── */
.cdw-sensors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 14px 0 12px;
}

.cdw-sensor {
  background: var(--paper-deep);
  border: 1px solid rgba(22, 53, 42, 0.12);
  border-radius: 10px;
  padding: 9px 8px;
  text-align: center;
}

.cdw-sensor .sl {
  font-family: var(--font-mono);
  font-size: 7.5px;
  color: var(--ink-soft);
  letter-spacing: 1.2px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 3px;
}

.cdw-sensor .sv {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.cdw-sensor .su {
  font-family: var(--font-mono);
  font-size: 8.5px;
  color: var(--ink-soft);
  font-weight: 500;
}

/* ── Status pill ── */
.cdw-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(122, 193, 66, 0.12);
  border: 1px solid rgba(79, 157, 105, 0.35);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 1.8px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 99px;
  margin: 0 auto 14px;
  width: fit-content;
  transition: background 0.4s, border-color 0.4s;
}

.cdw-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--leaf-bright);
  flex-shrink: 0;
  animation: cdwPulse 2s ease-in-out infinite;
}

@keyframes cdwPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* ── Divider ── */
.cdw-divider {
  height: 1px;
  background: rgba(22, 53, 42, 0.12);
  margin-bottom: 12px;
}

/* ── Relay tiles ── */
.cdw-relays {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.cdw-relay {
  background: var(--paper-deep);
  border: 1px solid rgba(22, 53, 42, 0.12);
  border-radius: 10px;
  padding: 9px 8px;
  text-align: center;
}

.cdw-relay .rl {
  font-family: var(--font-mono);
  font-size: 7.5px;
  color: var(--ink-soft);
  letter-spacing: 1.2px;
  font-weight: 700;
  text-transform: uppercase;
}

.cdw-relay .rs {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-soft);
  margin-top: 3px;
  font-weight: 600;
}

.cdw-relay.on {
  border-color: rgba(79, 157, 105, 0.40);
  background: rgba(122, 193, 66, 0.08);
}

.cdw-relay.on .rs {
  color: var(--ink);
  font-weight: 700;
}

/* ── Widget footer ── */
.cdw-footer {
  text-align: center;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--ink-soft);
  letter-spacing: 1.8px;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ── Responsive: collapse to single column on smaller viewports ── */
@media (max-width: 900px) {
  .hero-columns,
  .detail-hero-columns {
    grid-template-columns: 1fr;
  }

  .co2-device-widget {
    display: none; /* Hero is already compact — hide widget on mobile */
  }
}