:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-light: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #38bdf8;
  --primary-dark: #0284c7;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: radial-gradient(circle at top, #1e3a8a 0%, var(--bg) 45%);
  color: var(--text);
  min-height: 100vh;
}

.dashboard {
  width: min(1320px, 94%);
  margin: auto;
  padding: 28px 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(24px, 3vw, 38px);
  letter-spacing: -0.5px;
}

.topbar p {
  margin: 8px 0 0;
  color: var(--muted);
}

.connection-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid var(--border);
  padding: 14px 18px;
  border-radius: 18px;
  min-width: 230px;
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.25);
}

.connection-card small {
  display: block;
  color: var(--muted);
  margin-top: 4px;
}

.dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-block;
}

.online {
  background: var(--success);
  box-shadow: 0 0 18px var(--success);
}

.offline {
  background: var(--danger);
  box-shadow: 0 0 18px var(--danger);
}

.grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}

.card {
  background: rgba(17, 24, 39, 0.94);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.card-header h2 {
  margin: 0;
  font-size: 20px;
}

.card-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* Imagen única de la planta */
.plant-card {
  grid-column: span 2;
}

.plant-image-container {
  width: 50%;
  background: #020617;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.plant-image-container img {
  width: 65%;
  max-width: 800px;
  height: auto;
  object-fit: contain;
  display: block;
}
/* Nivel tanque */
.tank-card {
  min-height: 500px;
}

.tank-container {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 26px;
  min-height: 410px;
}

.tank {
  position: relative;
  width: 230px;
  height: 380px;
  border: 8px solid rgba(255, 255, 255, 0.22);
  border-radius: 30px 30px 46px 46px;
  overflow: hidden;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.02)
  );
  box-shadow: inset 0 0 28px rgba(255, 255, 255, 0.08);
}

.water {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, #7dd3fc, #0284c7);
  transition: height 0.7s ease;
}

.water::before {
  content: "";
  position: absolute;
  top: -12px;
  width: 200%;
  height: 28px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  animation: wave 3s linear infinite;
}

@keyframes wave {
  from {
    transform: translateX(-50%);
  }

  to {
    transform: translateX(0%);
  }
}

.tank-scale {
  position: absolute;
  inset: 18px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  z-index: 2;
  pointer-events: none;
}

.level-info {
  text-align: center;
}

.level-info h3 {
  font-size: 58px;
  margin: 0;
  color: var(--primary);
}

.level-info p {
  color: var(--muted);
  margin-top: 4px;
}

.mini-data {
  margin-top: 28px;
  padding: 18px;
  background: var(--panel-light);
  border-radius: 18px;
  min-width: 180px;
}

.mini-data span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

/* Estados */
.status-list {
  display: grid;
  gap: 14px;
}

.status-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel-light);
  padding: 18px;
  border-radius: 16px;
}

.status-item span {
  color: var(--muted);
}

.status-item strong {
  font-size: 18px;
}

/* Controles */
.controls,
.mode-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.btn {
  border: none;
  padding: 14px 16px;
  border-radius: 14px;
  color: white;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.94;
}

.btn:active {
  transform: scale(0.98);
}

.primary {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.danger {
  background: linear-gradient(135deg, #b91c1c, var(--danger));
}

.secondary {
  background: linear-gradient(135deg, #374151, #6b7280);
}

.setpoint-box {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.setpoint-box label {
  color: var(--muted);
}

.setpoint-box input {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-light);
  color: white;
  outline: none;
  font-size: 16px;
}

/* Badges */
.badge {
  padding: 8px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: bold;
  white-space: nowrap;
}

.normal {
  background: rgba(34, 197, 94, 0.18);
  color: #86efac;
}

.alerta {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
}

.warning {
  background: rgba(245, 158, 11, 0.18);
  color: #fcd34d;
}

/* Eventos */
.table-card {
  margin-top: 20px;
}

.log {
  background: #020617;
  color: #cbd5e1;
  border-radius: 14px;
  padding: 16px;
  height: 170px;
  overflow: auto;
  font-family: Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

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

  .plant-card {
    grid-column: span 1;
  }

  .plant-image-container {
    height: 280px;
  }

  .tank-container {
    flex-direction: column;
  }

  .controls,
  .mode-buttons {
    grid-template-columns: 1fr;
  }
}