@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap");

:root {
  color-scheme: light;
  --bg: #f4f7f2;
  --surface: #ffffff;
  --surface-soft: #f0f6ef;
  --surface-strong: #e2eee2;
  --text: #183025;
  --muted: #64756b;
  --border: #dce6dd;
  --primary: #197543;
  --primary-hover: #125f35;
  --primary-soft: #e2f3e7;
  --accent: #83bd56;
  --danger: #c54545;
  --danger-soft: #fbeaea;
  --warning: #a86813;
  --warning-soft: #fff3d9;
  --blue: #3484a4;
  --shadow: 0 8px 30px rgba(29, 61, 40, 0.06);
  --shadow-lift: 0 12px 35px rgba(29, 61, 40, 0.11);
  --radius: 20px;
  --font-body: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Manrope", var(--font-body);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0d1712;
    --surface: #15231b;
    --surface-soft: #1a2c21;
    --surface-strong: #22382a;
    --text: #e7f0e9;
    --muted: #9bada1;
    --border: #2a3b30;
    --primary: #62bd83;
    --primary-hover: #7bcd96;
    --primary-soft: #1d3927;
    --accent: #a0d377;
    --danger: #f08a8a;
    --danger-soft: #3b2224;
    --warning: #efbd69;
    --warning-soft: #392f1e;
    --blue: #79bed8;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.16);
    --shadow-lift: 0 12px 35px rgba(0, 0, 0, 0.25);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 300px;
  background:
    radial-gradient(circle at 8% 2%, color-mix(in srgb, var(--primary-soft) 75%, transparent), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 42%, transparent);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  background: var(--primary);
  color: var(--surface);
}

@media (prefers-color-scheme: dark) {
  .brand-mark {
    color: #102218;
  }
}

.brand-mark svg {
  width: 29px;
  height: 29px;
}

.brand > span:last-child {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand strong {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge,
.mini-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.badge {
  padding: 5px 10px;
}

.badge-demo {
  background: var(--warning-soft);
  color: var(--warning);
}

.mini-badge {
  padding: 4px 8px;
  background: var(--surface-soft);
  color: var(--muted);
}

.main-content {
  min-height: calc(100vh - 150px);
  padding-block: 34px 50px;
}

.overview {
  margin-bottom: 24px;
}

.overview-heading,
.section-heading,
.card-heading,
.pump-value-row,
.update-line,
.device-meta {
  display: flex;
  align-items: center;
}

.overview-heading,
.section-heading {
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--primary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--font-heading);
  letter-spacing: -0.035em;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(23px, 5vw, 32px);
  line-height: 1.25;
}

h2 {
  margin-bottom: 0;
  font-size: 19px;
  line-height: 1.35;
}

.device-status {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}

.device-status.is-online {
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
  color: var(--primary);
}

.device-status.is-online .status-dot {
  background: var(--primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 15%, transparent);
  animation: status-pulse 2.5s ease-out infinite;
}

.device-status.is-offline {
  color: var(--danger);
}

.device-status.is-offline .status-dot {
  background: var(--danger);
}

@keyframes status-pulse {
  50% { box-shadow: 0 0 0 7px transparent; }
}

.update-line {
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.update-line strong {
  color: var(--text);
  text-transform: capitalize;
}

.separator {
  opacity: 0.5;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.sensor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.sensor-card {
  min-width: 0;
  padding: 18px;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.sensor-card:hover {
  border-color: color-mix(in srgb, var(--primary) 25%, var(--border));
  box-shadow: var(--shadow-lift);
  transform: translateY(-1px);
}

.soil-card,
.pump-card {
  grid-column: 1 / -1;
}

.card-heading {
  min-width: 0;
  gap: 8px;
}

.sensor-icon {
  display: inline-grid;
  width: 31px;
  height: 31px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 10px;
  background: var(--surface-soft);
  font-size: 16px;
}

.icon-soil {
  background: var(--primary-soft);
}

.icon-temperature {
  background: var(--warning-soft);
}

.icon-humidity {
  background: color-mix(in srgb, var(--blue) 14%, var(--surface));
}

.sensor-label {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.soil-card .mini-badge {
  margin-left: auto;
}

.sensor-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: 18px;
  font-family: var(--font-heading);
  font-size: clamp(32px, 8vw, 42px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1;
}

.sensor-value .unit {
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
}

.progress-track {
  height: 9px;
  margin-top: 20px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--surface-strong);
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 500ms ease;
}

.threshold-labels {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 7px;
  color: var(--muted);
  font-size: 10px;
}

.sensor-footnote {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.sensor-footnote strong {
  color: var(--text);
  font-weight: 600;
}

.pump-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.pump-card.is-on {
  border-color: color-mix(in srgb, var(--primary) 42%, var(--border));
  background: linear-gradient(135deg, var(--surface), var(--primary-soft));
}

.pump-value-row {
  gap: 10px;
  margin-top: 14px;
}

.pump-value-row > strong {
  font-family: var(--font-heading);
  font-size: 31px;
  letter-spacing: -0.04em;
}

.pump-indicator {
  padding: 4px 9px;
  border-radius: 99px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.pump-card.is-on .pump-indicator {
  background: var(--primary);
  color: var(--surface);
}

.device-meta {
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 11px;
}

.device-meta strong {
  color: var(--text);
}

.chart-card,
.control-card {
  margin-top: 18px;
  padding: 20px;
}

.chart-heading {
  align-items: flex-start;
  flex-direction: column;
}

.range-picker {
  display: flex;
  width: 100%;
  padding: 3px;
  overflow-x: auto;
  border-radius: 11px;
  background: var(--surface-soft);
}

.range-button {
  min-height: 34px;
  flex: 1 0 auto;
  padding: 5px 11px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.range-button.is-active {
  background: var(--surface);
  box-shadow: 0 2px 8px rgba(20, 50, 30, 0.08);
  color: var(--primary);
}

.chart-wrap {
  position: relative;
  height: 285px;
  margin-top: 22px;
}

.chart-message {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: var(--muted);
  text-align: center;
  pointer-events: none;
}

.chart-caption {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.control-grid {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.control-label {
  display: block;
  margin-bottom: 9px;
  font-size: 12px;
  font-weight: 700;
}

.segmented-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 13px;
  background: var(--surface-soft);
}

.segment {
  min-height: 43px;
  padding: 8px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.segment.is-active {
  background: var(--surface);
  box-shadow: 0 2px 8px rgba(20, 50, 30, 0.08);
  color: var(--primary);
}

.pump-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.button {
  min-height: 43px;
  padding: 9px 17px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 12px;
  font-weight: 700;
  transition: background 150ms ease, transform 150ms ease;
}

.button:not(:disabled):active {
  transform: translateY(1px);
}

.button-primary {
  background: var(--primary);
  color: #fff;
}

@media (prefers-color-scheme: dark) {
  .button-primary,
  .pump-card.is-on .pump-indicator {
    color: #102218;
  }
}

.button-primary:not(:disabled):hover {
  background: var(--primary-hover);
}

.button-ghost {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.button-ghost:not(:disabled):hover {
  background: var(--surface-soft);
}

.button-small {
  min-height: 36px;
  padding: 6px 13px;
}

.button-full {
  width: 100%;
}

.button-pump-on {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  background: var(--primary-soft);
  color: var(--primary);
}

.button-pump-off {
  border-color: color-mix(in srgb, var(--danger) 25%, var(--border));
  background: var(--danger-soft);
  color: var(--danger);
}

.control-help {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.control-feedback {
  margin: 20px 0 0;
  padding-top: 15px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
}

.control-feedback.is-success {
  color: var(--primary);
}

.control-feedback.is-error {
  color: var(--danger);
}

.auth-gate {
  max-width: 500px;
  margin: 8vh auto 0;
  padding: 35px 25px;
  text-align: center;
}

.auth-gate h1 {
  margin-bottom: 12px;
}

.auth-gate p {
  margin-bottom: 24px;
  color: var(--muted);
}

.gate-icon,
.modal-icon {
  display: block;
  margin-bottom: 12px;
  font-size: 32px;
}

.site-footer {
  padding: 22px 0 28px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.modal {
  width: min(430px, calc(100% - 28px));
  max-height: calc(100dvh - 28px);
  padding: 0;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.25);
  color: var(--text);
}

.modal::backdrop {
  background: rgba(4, 15, 9, 0.65);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  padding: 28px;
}

.modal-content h2 {
  margin-bottom: 9px;
  font-size: 22px;
}

.modal-content > p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 13px;
}

.modal-content label {
  display: block;
  margin: 13px 0 6px;
  font-size: 12px;
  font-weight: 700;
}

.modal-content input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}

.modal-content input:focus {
  border-color: var(--primary);
}

.modal-content .button-full {
  margin-top: 20px;
}

.modal-content small {
  display: block;
  margin-top: 13px;
  color: var(--muted);
  font-size: 10px;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 13px;
  right: 13px;
  width: 35px;
  height: 35px;
  border: 0;
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 23px;
  line-height: 1;
}

.form-error {
  padding: 9px 11px;
  border-radius: 8px;
  background: var(--danger-soft);
  color: var(--danger) !important;
  font-size: 11px !important;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 22px;
}

.toast-region {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.toast {
  width: min(420px, 100%);
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--text);
  box-shadow: var(--shadow-lift);
  color: var(--surface);
  font-size: 12px;
  font-weight: 600;
  animation: toast-in 180ms ease-out;
}

.toast.is-error {
  background: var(--danger);
  color: var(--surface);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
}

@media (min-width: 600px) {
  .container {
    width: min(1120px, calc(100% - 48px));
  }

  .main-content {
    padding-top: 42px;
  }

  .sensor-grid {
    gap: 16px;
  }

  .sensor-card {
    padding: 22px;
  }

  .pump-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .device-meta {
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
  }

  .chart-card,
  .control-card {
    margin-top: 22px;
    padding: 25px;
  }

  .chart-heading {
    align-items: center;
    flex-direction: row;
  }

  .range-picker {
    width: auto;
  }

  .chart-wrap {
    height: 330px;
  }

  .control-grid {
    grid-template-columns: 1fr 1fr;
    gap: 35px;
  }

  .site-footer .container {
    flex-direction: row;
    justify-content: space-between;
  }

  .toast-region {
    right: 24px;
    bottom: 24px;
    left: auto;
    align-items: flex-end;
  }
}

@media (min-width: 900px) {
  .sensor-grid {
    grid-template-columns: 1.35fr 1fr 1fr 1.25fr;
  }

  .soil-card,
  .pump-card {
    grid-column: auto;
  }

  .pump-card {
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
  }

  .device-meta {
    align-items: flex-start;
  }
}

@media (max-width: 420px) {
  .container {
    width: calc(100% - 24px);
  }

  .header-inner {
    min-height: 65px;
  }

  .brand-mark {
    width: 37px;
    height: 37px;
  }

  .brand small {
    display: none;
  }

  .badge-demo {
    padding-inline: 7px;
    font-size: 9px;
  }

  .overview-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .sensor-card {
    padding: 15px;
  }

  .sensor-label {
    font-size: 11px;
  }

  .sensor-icon {
    width: 27px;
    height: 27px;
  }

  .sensor-value {
    margin-top: 15px;
    font-size: 31px;
  }

  .sensor-value .unit {
    font-size: 12px;
  }

  .card-heading {
    gap: 5px;
  }

  .threshold-labels {
    font-size: 9px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}