*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #f4f6f8;
  color: #1f2933;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

body {
  padding: 0.75rem;
}

a {
  color: #1d6fb8;
}

.app {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}

.demo-banner {
  display: grid;
  gap: 0.25rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid #c7d7e8;
  border-radius: 0.5rem;
  background: #e8f2fb;
  font-size: 0.82rem;
  line-height: 1.45;
}

.map-section {
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  overflow: hidden;
  background: #dbe4ec;
}

#map {
  width: 100%;
  height: min(48vh, 360px);
  min-height: 220px;
}

.panel {
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  background: #fff;
  padding: 0.9rem 1rem;
}

.panel h2 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
}

.panel__hint {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  color: #52606d;
}

.panel__head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  margin-bottom: 0.65rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.55rem;
  margin-bottom: 0.65rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 10rem;
}

.field-grow {
  flex: 1 1 12rem;
}

.field__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #52606d;
}

.field__input {
  font: inherit;
  font-size: 0.88rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.35rem;
  background: #fff;
  color: #1f2933;
}

.selected-place {
  margin: 0;
  font-size: 0.82rem;
  color: #334e68;
}

.btn-primary,
.btn-secondary,
.btn-danger {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.48rem 0.85rem;
  border-radius: 0.35rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
  border-color: #1d4ed8;
}

.btn-secondary {
  background: #eef2f7;
  color: #1f2933;
  border-color: #cbd5e1;
}

.btn-danger {
  background: #fff;
  color: #b42318;
  border-color: #f1aeb5;
}

.btn-primary:disabled,
.btn-secondary:disabled {
  opacity: 0.6;
  cursor: wait;
}

.subscription-list,
.alert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.subscription-card,
.alert-card,
.alerts-empty {
  border: 1px solid #d9e2ec;
  border-radius: 0.45rem;
  background: #f8fafc;
  padding: 0.75rem 0.85rem;
}

.subscription-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.subscription-card__title,
.alert-card__title {
  margin: 0 0 0.25rem;
  font-size: 0.92rem;
}

.subscription-card__meta,
.alert-card__meta,
.alert-card__location,
.alert-card__summary,
.alert-card__notify,
.alerts-empty {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #52606d;
}

.alert-card__summary {
  margin-top: 0.35rem;
  color: #334e68;
}

.alert-card__notify {
  margin-top: 0.45rem;
  font-style: italic;
}

.alert-card--severe {
  border-color: #f1aeb5;
  background: #fff5f5;
}

.alert-card--moderate {
  border-color: #f7d070;
  background: #fffaf0;
}

.alert-card--minor {
  border-color: #9ec5fe;
  background: #f0f7ff;
}

@media (max-width: 640px) {
  body {
    padding: 0.5rem;
  }

  .subscription-card {
    flex-direction: column;
  }

  #map {
    height: 40vh;
    min-height: 200px;
  }
}