:root {
  --fondo: #f5efe6;
  --fondo-sombra: rgba(47, 29, 18, 0.08);
  --panel: rgba(255, 255, 255, 0.82);
  --panel-fuerte: rgba(255, 255, 255, 0.9);
  --borde: rgba(92, 62, 42, 0.14);
  --texto: #2f1d12;
  --muted: #6f5a4d;
  --acento: #8d4f2f;
  --acento-oscuro: #6c371f;
  --exito: #276749;
  --alerta: #9b3d1e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--texto);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(141, 79, 47, 0.18), transparent 35%),
    radial-gradient(circle at top right, rgba(39, 103, 73, 0.16), transparent 30%),
    linear-gradient(180deg, #fbf7f2 0%, var(--fondo) 100%);
}

.app-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.hero,
.panel,
.card,
.consulta-form,
.alta-form {
  border: 1px solid var(--borde);
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 40px var(--fondo-sombra);
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: stretch;
  padding: 1.5rem;
  border-radius: 24px;
}

.hero__copy {
  flex: 1 1 0;
}

.hero__aside {
  display: grid;
  gap: 1rem;
  min-width: min(100%, 420px);
}

.eyebrow {
  margin: 0 0 0.5rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--acento);
  font-weight: 700;
}

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

h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(2rem, 5vw, 3.4rem);
}

h2 {
  margin-bottom: 0.5rem;
}

.hero-copy,
.panel__header p,
.form-note {
  color: var(--muted);
}

.consulta-form,
.alta-form {
  border-radius: 20px;
  padding: 1rem;
}

.consulta-form label,
.field span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.sensor-form__row {
  display: flex;
  gap: 0.5rem;
}

.consulta-form input,
.alta-form input,
.alta-form textarea,
button {
  border-radius: 14px;
  border: 1px solid var(--borde);
  font: inherit;
}

.consulta-form input,
.alta-form input,
.alta-form textarea {
  width: 100%;
  padding: 0.85rem 0.95rem;
  background: var(--panel-fuerte);
  color: var(--texto);
}

.alta-form {
  display: grid;
  gap: 1rem;
}

.alta-form__heading h2 {
  margin-bottom: 0.35rem;
}

.alta-form__heading p:last-child {
  margin-bottom: 0;
}

.alta-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.field--wide {
  grid-column: 1 / -1;
}

.field--checkbox {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: -0.15rem;
}

.field--checkbox input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--acento);
}

.field--checkbox span {
  margin: 0;
  color: var(--texto);
}

.alta-form__footer {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.form-status {
  min-height: 1.2rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-status[data-estado='exito'] {
  color: var(--exito);
}

.form-status[data-estado='error'] {
  color: var(--alerta);
}

button {
  padding: 0.9rem 1rem;
  background: linear-gradient(180deg, var(--acento) 0%, var(--acento-oscuro) 100%);
  color: #fff;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

button:disabled {
  cursor: progress;
  opacity: 0.7;
  transform: none;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.card {
  border-radius: 20px;
  padding: 1rem;
}

.card__label {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.card__value {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
}

.panel {
  border-radius: 24px;
  padding: 1.2rem;
}

.panel__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  text-align: left;
  padding: 0.9rem 0.75rem;
  border-bottom: 1px solid rgba(92, 62, 42, 0.12);
}

th {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem;
}

.estado-ok {
  color: var(--exito);
  font-weight: 700;
}

.estado-alerta {
  color: var(--alerta);
  font-weight: 700;
}

@media (max-width: 900px) {
  .hero,
  .panel__header {
    flex-direction: column;
    align-items: stretch;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 1rem, 1180px);
    padding-top: 0.5rem;
  }

  .hero,
  .panel,
  .consulta-form,
  .alta-form {
    border-radius: 18px;
  }

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

  .sensor-form__row,
  .alta-form__grid {
    grid-template-columns: 1fr;
  }

  .sensor-form__row {
    display: flex;
    flex-direction: column;
  }
}