:root {
  --green-900: #123c2f;
  --green-700: #176b4d;
  --green-500: #2b956b;
  --green-100: #e7f4ed;
  --blue-100: #e9f3f6;
  --orange-100: #fff2df;
  --orange-500: #dc8a2f;
  --text: #19352c;
  --muted: #66776f;
  --border: #dce6e1;
  --background: #f5f8f6;
  --white: #ffffff;
  --danger: #ba4b45;
  --shadow: 0 12px 32px rgba(18, 60, 47, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--background);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.header-content,
.page,
.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.header-content {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: var(--white);
  background: var(--green-700);
}

.brand-icon svg {
  width: 28px;
  height: 28px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 20px;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: var(--white);
  font-size: 12px;
  font-weight: 700;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange-500);
}

.connection-status.online .status-dot {
  background: var(--green-500);
  box-shadow: 0 0 0 5px rgba(43, 149, 107, 0.13);
}

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

.page {
  padding: 42px 0 70px;
}

.welcome {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.overline {
  margin: 0 0 5px;
  color: var(--green-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
}

.welcome h1,
.panel h2 {
  margin: 0;
  line-height: 1.2;
}

.welcome h1 {
  font-size: clamp(30px, 5vw, 44px);
  letter-spacing: -1.5px;
}

.welcome > div > p:last-child {
  margin: 9px 0 0;
  color: var(--muted);
}

.primary-button,
.filters button,
.pagination button {
  min-height: 42px;
  border: 0;
  border-radius: 10px;
  color: var(--white);
  background: var(--green-700);
  font-weight: 700;
}

.primary-button {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 18px;
  white-space: nowrap;
}

.primary-button svg {
  width: 18px;
  height: 18px;
}

.primary-button.loading svg {
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.summary-card,
.panel {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.summary-card {
  min-height: 250px;
  padding: 24px;
}

.summary-card.humidity {
  color: var(--white);
  border-color: var(--green-900);
  background: var(--green-900);
}

.summary-card.temperature {
  background: var(--blue-100);
}

.summary-card.irrigation {
  background: var(--orange-100);
}

.card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

.card-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.15);
}

.temperature .card-icon,
.irrigation .card-icon {
  background: rgba(18, 60, 47, 0.08);
}

.card-label {
  color: inherit;
  opacity: 0.68;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.1px;
  text-align: right;
}

.main-value {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  margin: 28px 0 18px;
}

.main-value strong {
  font-size: clamp(52px, 6vw, 68px);
  line-height: 0.9;
  letter-spacing: -3px;
}

.main-value span {
  font-size: 20px;
  font-weight: 700;
}

.main-value.time strong {
  font-size: 38px;
  line-height: 1.1;
  letter-spacing: -1px;
}

.progress,
.temperature-bar {
  height: 8px;
  overflow: hidden;
  border-radius: 99px;
}

.progress {
  background: rgba(255, 255, 255, 0.15);
}

.progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: #7edca8;
  transition: width 0.5s ease;
}

.temperature-bar {
  position: relative;
  overflow: visible;
  background: linear-gradient(90deg, #62a8bf, #75c89b, #efae52);
}

.temperature-bar span {
  position: absolute;
  top: -5px;
  left: 50%;
  width: 18px;
  height: 18px;
  border: 3px solid var(--white);
  border-radius: 50%;
  background: var(--green-900);
  transform: translateX(-50%);
  transition: left 0.5s ease;
}

.summary-card p {
  margin: 15px 0 0;
  color: inherit;
  opacity: 0.72;
  font-size: 13px;
}

.summary-card small {
  display: block;
  margin-top: 16px;
  color: var(--muted);
  font-size: 11px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.8fr);
  gap: 18px;
  margin-top: 18px;
}

.panel {
  padding: 25px;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.panel h2 {
  font-size: 23px;
  letter-spacing: -0.5px;
}

.weather-temperature {
  font-size: 38px;
  line-height: 1;
}

.weather-current {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 25px 0;
  padding: 18px;
  border-radius: 14px;
  background: var(--background);
}

.weather-icon {
  width: 48px;
  height: 48px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 13px;
  color: var(--green-700);
  background: var(--green-100);
}

.weather-current strong,
.weather-current span {
  display: block;
}

.weather-current strong {
  text-transform: capitalize;
}

.weather-current div span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.forecast-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(80px, 1fr));
  gap: 9px;
  overflow-x: auto;
  padding-bottom: 3px;
}

.forecast-day {
  min-width: 80px;
  padding: 13px 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
  background: var(--white);
}

.forecast-day strong,
.forecast-day span,
.forecast-day small {
  display: block;
}

.forecast-day strong {
  font-size: 10px;
  text-transform: uppercase;
}

.forecast-day svg {
  width: 24px;
  margin: 11px auto 7px;
  color: var(--green-700);
}

.forecast-day span {
  font-size: 17px;
  font-weight: 800;
}

.forecast-day small {
  margin-top: 4px;
  overflow: hidden;
  color: var(--muted);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 25px 0 20px;
  padding: 17px;
  border-radius: 14px;
  background: var(--green-100);
}

.system-icon {
  width: 45px;
  height: 45px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--green-500);
}

.system-icon svg {
  width: 27px;
  height: 27px;
  stroke-width: 2.5;
}

.system-status strong {
  display: block;
}

.system-status p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.system-panel.offline .system-status {
  background: #fae9e7;
}

.system-panel.offline .system-icon {
  background: var(--danger);
}

.system-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.system-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}

.system-list li:last-child {
  border-bottom: 0;
}

.system-list b {
  color: var(--green-700);
  text-align: right;
}

.history-panel {
  margin-top: 18px;
}

.history-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 25px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.filters select,
.filters input,
.filters button {
  min-height: 39px;
  padding: 0 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  background: var(--white);
  font-size: 12px;
}

.filters button {
  border-color: var(--green-700);
  color: var(--white);
  background: var(--green-700);
}

.filters .secondary-button {
  border-color: var(--border);
  color: var(--text);
  background: var(--background);
}

.activity-list {
  min-height: 180px;
}

.activity-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--border);
}

.activity-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: var(--green-700);
  background: var(--green-100);
}

.activity-item.irrigation .activity-icon {
  color: var(--orange-500);
  background: var(--orange-100);
}

.activity-info strong,
.activity-info span {
  display: block;
}

.activity-info strong {
  font-size: 13px;
}

.activity-info span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.activity-values {
  display: flex;
  gap: 9px;
}

.activity-value {
  min-width: 105px;
  padding: 9px 12px;
  border-radius: 10px;
  background: var(--background);
  font-size: 10px;
}

.activity-value b {
  display: block;
  margin-top: 2px;
  color: var(--text);
  font-size: 15px;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 55px 15px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  color: var(--muted);
  font-size: 11px;
}

.pagination button {
  min-height: 37px;
  padding: 0 14px;
}

.pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: var(--text);
  font-size: 15px;
}

.site-footer p {
  margin: 0;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  padding: 13px 17px;
  border-radius: 10px;
  color: var(--white);
  background: var(--green-900);
  box-shadow: var(--shadow);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(15px);
  transition: opacity 0.2s, transform 0.2s;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .summary-card.irrigation {
    grid-column: 1 / -1;
  }

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

  .history-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .filters {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .header-content,
  .page,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .header-content {
    min-height: 68px;
  }

  .brand-icon {
    width: 39px;
    height: 39px;
  }

  .brand strong {
    font-size: 17px;
  }

  .connection-status {
    padding: 0 10px;
    font-size: 10px;
  }

  .page {
    padding-top: 28px;
  }

  .welcome {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button {
    align-self: flex-start;
  }

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

  .summary-card.irrigation {
    grid-column: auto;
  }

  .summary-card {
    min-height: 225px;
  }

  .panel {
    padding: 19px;
  }

  .forecast-list {
    grid-template-columns: repeat(6, 85px);
  }

  .filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .filters select {
    grid-column: 1 / -1;
  }

  .activity-item {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .activity-icon {
    width: 42px;
    height: 42px;
  }

  .activity-values {
    grid-column: 1 / -1;
  }

  .activity-value {
    flex: 1;
    min-width: 0;
  }

  .pagination span {
    text-align: center;
  }

  .pagination button {
    padding: 0 9px;
    font-size: 11px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}