:root {
  color-scheme: dark;
  --bg: #07140d;
  --surface: rgba(14, 37, 24, 0.62);
  --surface-strong: rgba(16, 46, 29, 0.82);
  --text: #ebfff2;
  --muted: #b8d8c3;
  --primary: #37c874;
  --primary-strong: #2ca962;
  --outline: rgba(159, 233, 189, 0.35);
  --danger: #f17272;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(circle at 20% 20%, #10321f 0%, var(--bg) 50%);
  color: var(--text);
}

body {
  position: relative;
  padding: 1rem;
}

.glass {
  backdrop-filter: blur(8px);
  border: 1px solid var(--outline);
  background: var(--surface);
  border-radius: 1.1rem;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.25);
}

.btn {
  border: 1px solid transparent;
  border-radius: 0.75rem;
  padding: 0.75rem 1.2rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: linear-gradient(140deg, var(--primary), var(--primary-strong));
}

.btn--ghost {
  border-color: var(--outline);
  background: rgba(10, 24, 17, 0.5);
}

.btn--whatsapp {
  background: linear-gradient(140deg, var(--primary-strong), var(--primary));
}

.topbar {
  max-width: 980px;
  margin: 0 auto 1rem;
  padding: 0.9rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand__name {
  margin: 0;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.brand__subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.topbar__actions {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.ios-tip {
  font-size: 0.92rem;
  color: var(--muted);
}

.app-shell {
  max-width: 980px;
  margin: 0 auto;
}

.view {
  display: none;
  padding: 1.2rem;
}

.view.is-active {
  display: block;
}

h1,
h2,
h3 {
  margin: 0;
}

.view > p {
  margin: 0.45rem 0 1rem;
  color: var(--muted);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
  margin: 1rem 0 0;
}

.menu-item {
  border: 1px solid var(--outline);
  border-radius: 0.8rem;
  background: var(--surface-strong);
  color: var(--text);
  text-align: left;
  padding: 0.9rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.menu-item:hover {
  transform: translateY(-1px);
  border-color: rgba(159, 233, 189, 0.72);
}

.flow-block {
  margin-top: 1rem;
  border: 1px solid var(--outline);
  border-radius: 0.85rem;
  padding: 0.85rem;
  background: rgba(8, 20, 14, 0.52);
}

.flow-block h3 {
  margin-bottom: 0.65rem;
  font-size: 1.02rem;
}

.option-group {
  display: grid;
  gap: 0.5rem;
}

label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.9rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--outline);
  border-radius: 0.65rem;
  background: rgba(8, 20, 14, 0.75);
  color: var(--text);
  padding: 0.6rem 0.7rem;
  font: inherit;
}

.form-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.selection-output {
  margin: 1rem 0;
  border: 1px solid var(--outline);
  border-radius: 0.75rem;
  background: var(--surface-strong);
  padding: 0.8rem;
  color: var(--text);
}

.action-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.feedback {
  margin: 0.9rem 0 0;
  min-height: 1.1rem;
  color: #9af4be;
  text-align: center;
}

@media (max-width: 640px) {
  body {
    padding: 0.8rem;
  }

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

  .topbar__actions {
    justify-content: flex-end;
  }

  .view {
    padding: 1rem;
  }
}