:root {
  --bg: #071810;
  --card: rgba(12, 42, 28, 0.92);
  --border: rgba(134, 239, 172, 0.18);
  --text: #ecfdf5;
  --muted: rgba(236, 253, 245, 0.55);
  --hydrawise: #4ade80;
  --pending: #facc15;
  --planned-future: #fb923c;
  --invalid: rgba(148, 163, 184, 0.72);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(34, 197, 94, 0.12), transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(56, 189, 248, 0.08), transparent 35%),
    var(--bg);
}

.login-overlay {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-overlay[hidden],
.app[hidden] {
  display: none !important;
}

.login-card {
  width: min(100%, 320px);
  padding: 28px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--card);
  display: grid;
  gap: 14px;
}

.login-card h1 {
  margin: 0;
  font-size: 1.6rem;
}

.login-card p {
  margin: 0;
  color: var(--muted);
}

.login-card input,
.login-card button {
  font: inherit;
}

.login-card input {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
}

.login-card button {
  padding: 12px 14px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #052e16;
  font-weight: 700;
  cursor: pointer;
}

.login-error {
  margin: 0;
  color: #fca5a5;
  font-size: 0.9rem;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.kicker {
  margin: 0 0 4px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 1.9rem);
}

.topbar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.link-btn {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}

.card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 14px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  font-size: 0.88rem;
  color: var(--muted);
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mark {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: inline-block;
}

.mark.hydrawise {
  background: var(--hydrawise);
}

.mark.pending {
  background: var(--pending);
}

.mark.planned-future {
  background: var(--planned-future);
}

.mark.invalid {
  background: var(--invalid);
}

.legend-note {
  margin-left: auto;
}

.table-wrap {
  padding: 0;
  overflow: hidden;
}

.table-scroll {
  overflow: auto;
  max-height: calc(100vh - 220px);
}

.water-grid {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.water-grid th,
.water-grid td {
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0;
  text-align: center;
  min-width: 52px;
  height: 42px;
}

.water-grid th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #0f2f1f;
  font-weight: 600;
  font-size: 0.72rem;
  color: var(--muted);
  padding: 8px 4px;
  line-height: 1.2;
}

.water-grid th.zone-col,
.water-grid td.zone-col {
  position: sticky;
  left: 0;
  z-index: 1;
  min-width: 120px;
  text-align: left;
  padding: 0 12px;
  background: #0c2418;
}

.water-grid thead th.zone-col {
  z-index: 3;
}

.zone-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.zone-label strong {
  font-size: 0.92rem;
}

.zone-label span {
  font-size: 0.72rem;
  color: var(--muted);
}

.cell-hit {
  font-size: 0.78rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  letter-spacing: 0.02em;
  padding: 6px 4px;
  vertical-align: middle;
  white-space: normal;
  word-spacing: 0.15em;
}

.cell-hit.cell-multi {
  font-size: 0.72rem;
  line-height: 1.25;
}

.cell-hit .mm {
  white-space: nowrap;
}

.cell-hit .mm.hydrawise {
  color: var(--hydrawise);
}

.cell-hit .mm.pending {
  color: var(--pending);
}

.cell-hit .mm.planned-future {
  color: var(--planned-future);
}

.cell-hit .mm.invalid {
  color: var(--invalid);
}

.cell-hit.hydrawise {
  color: var(--hydrawise);
}

.cell-hit.pending {
  color: var(--pending);
}

.cell-hit.planned-future {
  color: var(--planned-future);
}

.cell-hit.invalid {
  color: var(--invalid);
}

.cell-empty {
  background: rgba(255, 255, 255, 0.015);
}

.cell-hit.area-a,
.cell-empty.area-a,
.zone-col.area-a {
  --area-bg: rgba(12, 36, 28, 0.82);
  --area-accent: rgba(74, 222, 128, 0.22);
}

.cell-hit.area-b,
.cell-empty.area-b,
.zone-col.area-b {
  --area-bg: rgba(12, 28, 42, 0.82);
  --area-accent: rgba(56, 189, 248, 0.22);
}

.cell-hit.area-c,
.cell-empty.area-c,
.zone-col.area-c {
  --area-bg: rgba(34, 28, 12, 0.82);
  --area-accent: rgba(251, 191, 36, 0.22);
}

.cell-hit.area-d,
.cell-empty.area-d,
.zone-col.area-d {
  --area-bg: rgba(34, 16, 28, 0.82);
  --area-accent: rgba(244, 114, 182, 0.22);
}

.cell-hit.area-e,
.cell-empty.area-e,
.zone-col.area-e {
  --area-bg: rgba(18, 34, 18, 0.82);
  --area-accent: rgba(163, 230, 53, 0.22);
}

.cell-hit.area-f,
.cell-empty.area-f,
.zone-col.area-f {
  --area-bg: rgba(28, 18, 34, 0.82);
  --area-accent: rgba(192, 132, 252, 0.22);
}

.cell-hit.area-g,
.cell-empty.area-g,
.zone-col.area-g {
  --area-bg: rgba(12, 32, 32, 0.82);
  --area-accent: rgba(45, 212, 191, 0.22);
}

.cell-hit.area-h,
.cell-empty.area-h,
.zone-col.area-h {
  --area-bg: rgba(36, 24, 16, 0.82);
  --area-accent: rgba(251, 146, 60, 0.22);
}

.cell-hit[class*="area-"] {
  background: linear-gradient(
    180deg,
    var(--area-bg) 0%,
    color-mix(in srgb, var(--area-bg) 88%, black) 100%
  );
  box-shadow: inset 0 0 0 1px var(--area-accent);
}

.cell-empty[class*="area-"] {
  background: color-mix(in srgb, var(--area-bg) 45%, transparent);
}

.water-grid td.zone-col[class*="area-"] {
  background: var(--area-bg);
  box-shadow: inset -1px 0 0 var(--area-accent);
}

.zone-col[class*="area-"] .zone-label span {
  color: color-mix(in srgb, var(--area-accent) 70%, white);
}

.footer-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 640px) {
  .legend-note {
    margin-left: 0;
    width: 100%;
  }

  .water-grid th,
  .water-grid td {
    min-width: 44px;
  }

  .water-grid th.zone-col,
  .water-grid td.zone-col {
    min-width: 96px;
  }
}