:root {
  --farm-green: #1f8f4a;
  --farm-green-dark: #176f39;
  --leaf: #16a34a;
  --water: #2563eb;
  --sun: #f59e0b;
  --danger: #dc2626;
  --warning: #b45309;
  --ink: #172033;
  --muted: #64748b;
  --line: #d8e1ea;
  --soft: #eef7f1;
  --surface: #ffffff;
  --page: #f4f8f5;
  --shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  touch-action: manipulation;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 248, 245, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand__logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand__text {
  min-width: 0;
}

.brand__text p {
  margin: 0 0 2px;
  color: var(--farm-green);
  font-size: 12px;
  font-weight: 800;
}

.brand__text h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.05;
  white-space: nowrap;
}

.header-status {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.status-chip {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.status-chip i {
  color: var(--farm-green);
}

.status-chip--mqtt.is-online {
  border-color: rgba(31, 143, 74, 0.35);
  color: var(--farm-green-dark);
}

.status-chip--mqtt.is-online i {
  color: var(--farm-green);
}

.status-chip--mqtt.is-warning {
  border-color: rgba(180, 83, 9, 0.36);
  color: var(--warning);
}

.status-chip--mqtt.is-warning i {
  color: var(--warning);
}

.status-chip--mqtt.is-error {
  border-color: rgba(220, 38, 38, 0.32);
  color: var(--danger);
}

.status-chip--mqtt.is-error i {
  color: var(--danger);
}

.dashboard-shell {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 22px 28px 26px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card {
  min-height: 154px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric-card__icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--soft);
  color: var(--farm-green);
  font-size: 22px;
}

.metric-card[data-metric="humidity"] .metric-card__icon {
  background: #eaf2ff;
  color: var(--water);
}

.metric-card[data-metric="light"] .metric-card__icon {
  background: #fff5df;
  color: var(--sun);
}

.metric-card[data-metric="temperature"] .metric-card__icon {
  background: #fff1f1;
  color: var(--danger);
}

.metric-card__body {
  min-width: 0;
}

.metric-card__body p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.metric-card__body h2 {
  margin: 0;
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
}

.metric-card__body h2 span {
  margin-left: 2px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 700;
}

.metric-card__bar {
  height: 8px;
  margin: 14px 0 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e6edf2;
}

.metric-card__bar span {
  width: 0%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--farm-green);
  transition: width 180ms ease, background-color 180ms ease;
}

.metric-card strong {
  display: block;
  min-height: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.metric-card.is-good .metric-card__bar span {
  background: var(--leaf);
}

.metric-card.is-watch .metric-card__bar span {
  background: var(--sun);
}

.metric-card.is-alert .metric-card__bar span {
  background: var(--danger);
}

.metric-card.is-good strong {
  color: var(--farm-green-dark);
}

.metric-card.is-watch strong {
  color: var(--warning);
}

.metric-card.is-alert strong {
  color: var(--danger);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.85fr);
  gap: 18px;
  align-items: start;
}

.panel {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel--wide {
  grid-column: span 1;
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel__header h2 {
  margin: 2px 0 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.15;
}

.panel__eyebrow {
  margin: 0;
  color: var(--farm-green);
  font-size: 11px;
  font-weight: 800;
}

.icon-button,
.primary-button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background-color 140ms ease, color 140ms ease;
}

.icon-button {
  width: 38px;
  padding: 0;
}

.primary-button {
  padding: 0 14px;
  background: var(--farm-green);
  border-color: var(--farm-green);
  color: #ffffff;
}

.icon-button:hover,
.icon-button:focus-visible,
.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--farm-green);
  outline: none;
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--farm-green-dark);
}

.icon-button:disabled,
.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.sensor-split {
  display: grid;
  grid-template-columns: minmax(230px, 0.35fr) minmax(0, 0.65fr);
  gap: 16px;
  align-items: stretch;
}

.sensor-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.sensor-row {
  min-height: 58px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 12px;
  border: 1px solid #e4ebf0;
  border-radius: 8px;
  background: #f9fbfa;
}

.sensor-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.sensor-row span i {
  width: 18px;
  color: var(--farm-green);
}

.sensor-row strong {
  min-width: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.chart-panel {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(210px, 1fr);
  gap: 10px;
}

.chart-panel canvas {
  width: 100%;
  min-height: 210px;
  border: 1px solid #e4ebf0;
  border-radius: 8px;
  background: #fbfdfc;
}

.chart-panel__legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.chart-panel__legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.chart-panel__legend i {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 999px;
}

.controls-panel,
.automation-panel,
.camera-panel,
.iot-panel,
.alerts-panel {
  display: grid;
  gap: 14px;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f4f7f5;
}

.mode-switch button {
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.mode-switch button.is-active {
  background: var(--surface);
  color: var(--farm-green-dark);
  box-shadow: 0 1px 6px rgba(15, 23, 42, 0.08);
}

.device-list {
  display: grid;
  gap: 10px;
}

.device-row {
  min-height: 72px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 52px;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid #e4ebf0;
  border-radius: 8px;
  background: #fbfdfc;
}

.device-row__icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #edf7f0;
  color: var(--farm-green);
  font-size: 18px;
}

.device-row[data-device="light"] .device-row__icon {
  background: #fff5df;
  color: var(--sun);
}

.device-row[data-device="fan"] .device-row__icon {
  background: #eaf2ff;
  color: var(--water);
}

.device-row h3,
.device-row p {
  margin: 0;
}

.device-row h3 {
  font-size: 15px;
  font-weight: 800;
}

.device-row p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.device-row.is-on {
  border-color: rgba(31, 143, 74, 0.38);
}

.device-row.is-on .device-row__icon {
  background: var(--farm-green);
  color: #ffffff;
}

.switch {
  position: relative;
  width: 52px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch span {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #cbd5e1;
  cursor: pointer;
  transition: background-color 160ms ease;
}

.switch span::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.18);
  transition: transform 160ms ease;
}

.switch input:checked + span {
  background: var(--farm-green);
}

.switch input:checked + span::after {
  transform: translateX(22px);
}

.switch input:focus-visible + span {
  outline: 2px solid rgba(37, 99, 235, 0.55);
  outline-offset: 2px;
}

.automation-list {
  display: grid;
  gap: 12px;
}

.automation-toggle,
.compact-input {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid #e4ebf0;
  border-radius: 8px;
  background: #fbfdfc;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.automation-toggle span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.automation-toggle i {
  width: 18px;
  color: var(--farm-green);
}

.automation-toggle input {
  width: 20px;
  height: 20px;
  accent-color: var(--farm-green);
  flex: 0 0 auto;
}

.range-row {
  display: grid;
  grid-template-columns: minmax(140px, 0.42fr) minmax(0, 0.58fr);
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.range-row input {
  width: 100%;
  accent-color: var(--farm-green);
}

.compact-input input {
  width: 82px;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
  color: var(--ink);
  font-weight: 800;
}

.compact-input em {
  color: var(--muted);
  font-style: normal;
}

.camera-view {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid #1d2b22;
  background: #10251a;
}

.camera-view img {
  width: 100%;
  height: 100%;
  display: none;
  object-fit: cover;
  background: #10251a;
}

.camera-view.has-stream img {
  display: block;
}

.camera-view.has-stream .camera-placeholder {
  display: none;
}

.camera-view.is-loading::after,
.camera-view.is-error::after {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 2;
  max-width: calc(100% - 32px);
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.76);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  text-align: center;
  white-space: nowrap;
}

.camera-view.is-loading::after {
  content: "Đang làm mới camera...";
}

.camera-view.is-error::after {
  content: "Không đọc được camera, đang thử lại";
}

.camera-placeholder {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: linear-gradient(180deg, #bfe4ff 0%, #dff4ff 32%, #7cbf64 33%, #2f7f3a 100%);
}

.camera-sky {
  position: absolute;
  top: 12%;
  left: 8%;
  width: 28%;
  height: 10%;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

.camera-bed {
  position: absolute;
  left: -8%;
  right: -8%;
  height: 16%;
  background: repeating-linear-gradient(90deg, #1f6d35 0 18px, #52a45f 18px 28px, #1f6d35 28px 46px);
  transform: skewY(-7deg);
  box-shadow: 0 12px 0 rgba(88, 60, 38, 0.35);
}

.camera-bed--one {
  bottom: 34%;
}

.camera-bed--two {
  bottom: 13%;
}

.camera-scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.28) 50%, transparent 100%);
  height: 36%;
  animation: cameraScan 4s ease-in-out infinite;
}

@keyframes cameraScan {
  0% {
    transform: translateY(-100%);
  }
  55%,
  100% {
    transform: translateY(280%);
  }
}

.camera-overlay {
  position: absolute;
  left: 10px;
  right: 10px;
  top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
}

.camera-overlay span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 7px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.42);
}

.camera-overlay i {
  color: #ef4444;
  font-size: 8px;
}

.camera-badge {
  padding: 6px 9px;
  border-radius: 999px;
  background: #eef2f7;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.camera-badge.is-live {
  background: #e8f8ee;
  color: var(--farm-green-dark);
}

.camera-badge.is-loading {
  background: #fff7ed;
  color: var(--warning);
}

.camera-badge.is-error {
  background: #fef2f2;
  color: var(--danger);
}

.camera-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 38px 38px;
  gap: 8px;
}

.camera-url-field {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
}

.camera-controls input,
.camera-controls select,
.mqtt-form input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink);
  background: #fbfdfc;
  font-size: 13px;
  font-weight: 700;
}

.camera-controls select {
  width: auto;
  border-radius: 8px 0 0 8px;
  border-right: 0;
  padding-right: 8px;
  cursor: pointer;
}

.camera-url-field input {
  min-width: 0;
  border-radius: 0 8px 8px 0;
}

.camera-controls input:focus,
.camera-controls select:focus,
.mqtt-form input:focus,
.compact-input input:focus {
  border-color: var(--farm-green);
  outline: 2px solid rgba(31, 143, 74, 0.15);
}

.mqtt-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mqtt-form label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.mqtt-form .primary-button {
  grid-column: 1 / -1;
}

.topic-map {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.topic-map span {
  padding: 6px 8px;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  background: #f8fafc;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.alert-date-controls {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto 38px;
  gap: 8px;
  align-items: center;
}

.alert-date-controls input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fbfdfc;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.alert-date-controls input:focus {
  border-color: var(--farm-green);
  outline: 2px solid rgba(31, 143, 74, 0.15);
}

.alert-date-controls button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.alerts-list {
  min-height: 240px;
  max-height: 360px;
  display: grid;
  align-content: start;
  gap: 10px;
  overflow: auto;
  padding-right: 3px;
}

.alert-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px;
  border: 1px solid #e4ebf0;
  border-radius: 8px;
  background: #fbfdfc;
}

.alert-item__icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #edf7f0;
  color: var(--farm-green);
}

.alert-item[data-level="warning"] .alert-item__icon {
  background: #fff7ed;
  color: var(--warning);
}

.alert-item[data-level="danger"] .alert-item__icon {
  background: #fff1f1;
  color: var(--danger);
}

.alert-item h3,
.alert-item p {
  margin: 0;
}

.alert-item h3 {
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
}

.alert-item p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
}

.alert-empty {
  min-height: 120px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.app-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 28px 18px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

@media (min-width: 1181px) {
  .environment-panel {
    grid-row: span 2;
  }
}

@media (max-width: 1180px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 820px) {
  .app-header {
    align-items: flex-start;
    padding: 14px 16px;
  }

  .header-status {
    width: 100%;
    justify-content: flex-start;
  }

  .dashboard-shell {
    padding: 16px;
  }

  .sensor-split {
    grid-template-columns: 1fr;
  }

  .mqtt-form,
  .camera-controls,
  .alert-date-controls {
    grid-template-columns: 1fr;
  }

  .camera-controls .icon-button,
  .alert-date-controls .icon-button {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .app-header {
    flex-direction: column;
  }

  .brand__text h1 {
    font-size: 24px;
    white-space: normal;
  }

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

  .metric-card {
    min-height: 136px;
  }

  .panel {
    padding: 14px;
  }

  .range-row,
  .device-row {
    grid-template-columns: 1fr;
  }

  .device-row {
    justify-items: start;
  }

  .switch {
    justify-self: start;
  }

  .mode-switch {
    grid-template-columns: 1fr;
  }

  .app-footer {
    padding-inline: 16px;
  }
}