:root {
  --bg: #e8efe4;
  --bg-deep: #d5e0cf;
  --card: #f7faf5;
  --ink: #1c2a18;
  --muted: #5d6e55;
  --soil: #6b4f2a;
  --soil-deep: #4a3518;
  --olive: #4f6b3a;
  --olive-soft: #8fad74;
  --water: #3d7ea6;
  --water-soft: #7eb6d4;
  --dry: #c4783a;
  --wet: #3a8f6e;
  --danger: #c45a4a;
  --shadow: 0 6px 24px rgba(40, 55, 30, 0.08);
  --radius: 16px;
  --font: "DM Sans", "Segoe UI", sans-serif;
  --display: "Fraunces", Georgia, serif;
  --pad: clamp(1rem, 3.5vw, 2rem);
  --max: 1120px;
  --ring: 301.59289474462014;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  background:
    radial-gradient(70% 45% at 0% 0%, rgba(143, 173, 116, 0.35), transparent 55%),
    radial-gradient(50% 40% at 100% 5%, rgba(107, 79, 42, 0.12), transparent 50%),
    linear-gradient(175deg, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.88em;
  color: var(--soil-deep);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem var(--pad);
  background: rgba(247, 250, 245, 0.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(79, 107, 58, 0.12);
}

.topbar-brand {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--olive);
}

.topbar-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.topbar-nav a:hover,
.topbar-nav a.is-active {
  color: var(--ink);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.4rem var(--pad) 2.5rem;
}

.page-head {
  margin-bottom: 1.25rem;
}

.breadcrumb {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.page-head h1 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.5vw, 2.05rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.title-icon {
  display: inline-flex;
  width: 1.1em;
  height: 1.1em;
  color: var(--olive);
  flex-shrink: 0;
}

.title-icon svg {
  width: 100%;
  height: 100%;
}

.page-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.demo-badge {
  display: inline-block;
  margin: 0.55rem 0 0;
  padding: 0.25rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--soil-deep);
  background: rgba(196, 120, 58, 0.18);
  border-radius: 999px;
}

.summary-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}

.summary-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(79, 107, 58, 0.08);
}

.summary-label {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.summary-value {
  margin: 0;
  font-family: var(--display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--olive);
}

.summary-value-text {
  font-size: 1.25rem;
}

.summary-unit {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  margin-left: 0.15rem;
}

.summary-note {
  margin: 0.2rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

#lora-card.is-ok .summary-value {
  color: var(--wet);
}

#lora-card.is-weak .summary-value {
  color: var(--dry);
}

.block-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.zone {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.25rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(79, 107, 58, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.zone.is-watering {
  border-color: rgba(61, 126, 166, 0.45);
  box-shadow: 0 6px 28px rgba(61, 126, 166, 0.12);
}

.zone-head {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
}

.zone-name {
  margin: 0;
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 600;
}

.zone-status {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(93, 110, 85, 0.12);
  color: var(--muted);
}

.zone[data-status="kering"] .zone-status {
  background: rgba(196, 120, 58, 0.2);
  color: var(--dry);
}

.zone[data-status="cukup"] .zone-status,
.zone[data-status="lembab"] .zone-status {
  background: rgba(79, 107, 58, 0.16);
  color: var(--olive);
}

.zone[data-status="basah"] .zone-status {
  background: rgba(58, 143, 110, 0.18);
  color: var(--wet);
}

.moisture-ring {
  position: relative;
  width: 132px;
  height: 132px;
  margin: 0.25rem 0 0.5rem;
}

.moisture-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-track {
  fill: none;
  stroke: rgba(79, 107, 58, 0.12);
  stroke-width: 9;
}

.ring-fill {
  fill: none;
  stroke: var(--olive);
  stroke-width: 9;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.7s ease, stroke 0.4s ease;
}

.zone[data-status="kering"] .ring-fill {
  stroke: var(--dry);
}

.zone[data-status="basah"] .ring-fill {
  stroke: var(--wet);
}

.zone.is-watering .ring-fill {
  stroke: var(--water);
}

.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.ring-value {
  font-family: var(--display);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.ring-unit {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

.zone-hint {
  margin: 0 0 0.9rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.valve-row {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(79, 107, 58, 0.1);
}

.valve-state {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.valve-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
}

.zone.is-watering .valve-dot {
  background: var(--water);
  box-shadow: 0 0 0 4px rgba(61, 126, 166, 0.2);
  animation: pulse 1.4s ease infinite;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(61, 126, 166, 0.18);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(61, 126, 166, 0.08);
  }
}

.valve-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.valve-btn {
  appearance: none;
  border: 1px solid rgba(61, 126, 166, 0.35);
  background: rgba(61, 126, 166, 0.1);
  color: var(--water);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 0.5rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.valve-btn:hover {
  background: rgba(61, 126, 166, 0.2);
}

.valve-btn:active {
  transform: scale(0.97);
}

.valve-btn-close {
  border-color: rgba(93, 110, 85, 0.3);
  background: rgba(93, 110, 85, 0.08);
  color: var(--muted);
}

.valve-btn-close:hover {
  background: rgba(93, 110, 85, 0.16);
  color: var(--ink);
}

.chart-block {
  margin-top: 0.25rem;
}

.range-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.range-btn {
  appearance: none;
  border: 1px solid rgba(79, 107, 58, 0.2);
  background: rgba(247, 250, 245, 0.7);
  color: var(--muted);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
}

.range-btn.is-active {
  background: var(--olive);
  border-color: var(--olive);
  color: #fff;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem 1.2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(79, 107, 58, 0.08);
}

.card-title {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.chart-wrap {
  position: relative;
  height: 220px;
}

.chart-legend {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.chart-legend li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.lg {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 2px;
}

.lg-a {
  background: #4f6b3a;
}
.lg-b {
  background: #3d7ea6;
}
.lg-c {
  background: #c4783a;
}
.lg-d {
  background: #6b4f2a;
}

.rules {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(79, 107, 58, 0.12);
}

.kicker {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.rules h2 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.35rem;
}

.lede {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.code {
  margin: 0 0 0.75rem;
  padding: 1rem 1.1rem;
  background: #1c2a18;
  color: #d5e0cf;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.45;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
}

@media (max-width: 720px) {
  .summary-row {
    grid-template-columns: 1fr;
  }

  .block-grid {
    grid-template-columns: 1fr;
  }
}