:root {
  color-scheme: light;
  --ink: #16201d;
  --muted: #65706c;
  --line: #dde4df;
  --paper: #f8faf7;
  --panel: #ffffff;
  --brand: #136f63;
  --brand-strong: #0b4f46;
  --gold: #bd8a2d;
  --rose: #b75c67;
  --sky: #356d9c;
  --shadow: 0 18px 50px rgba(24, 38, 34, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 48px);
  background: rgba(248, 250, 247, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  gap: 6px;
  padding: 4px;
  background: #edf3ef;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.nav a {
  min-width: 74px;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

.nav a.active {
  background: var(--panel);
  color: var(--brand-strong);
  box-shadow: 0 6px 18px rgba(28, 54, 47, 0.1);
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: end;
  min-height: 280px;
  padding: clamp(28px, 5vw, 56px);
  background:
    linear-gradient(120deg, rgba(19, 111, 99, 0.96), rgba(17, 75, 76, 0.86)),
    url("https://images.unsplash.com/photo-1555252333-9f8e92e65df9?auto=format&fit=crop&w=1600&q=80");
  background-position: center;
  background-size: cover;
  border-radius: 8px;
  color: #fff;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f4ca74;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 16px;
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(26px, 4vw, 40px);
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  line-height: 1.7;
}

.source-panel {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
}

.source-panel span,
.source-panel small {
  display: block;
  color: rgba(255, 255, 255, 0.78);
}

.source-panel strong {
  display: block;
  margin: 8px 0;
  font-size: 24px;
}

.view {
  display: none;
  padding-top: 34px;
}

.view.active {
  display: block;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.status-pill {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--brand-strong);
  font-size: 13px;
  font-weight: 700;
}

.two-column,
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 18px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 34px rgba(28, 54, 47, 0.08);
}

.form-panel,
.result-panel {
  padding: clamp(20px, 3vw, 30px);
}

.wide-form {
  max-width: 820px;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: #2b3834;
  font-size: 14px;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid #cad5cf;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(19, 111, 99, 0.12);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.checkbox-row {
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: start;
  color: var(--muted);
  font-weight: 500;
  line-height: 1.5;
}

.checkbox-row input {
  min-height: auto;
  margin-top: 3px;
}

.primary-action,
.ghost-action,
.small-action {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

.primary-action {
  width: 100%;
  min-height: 50px;
  background: var(--brand);
  color: #fff;
}

.primary-action:hover {
  background: var(--brand-strong);
}

.ghost-action,
.small-action {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--brand-strong);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.partner-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.partner-item,
.stack-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfb;
}

.partner-item strong,
.stack-item strong {
  display: block;
  margin-bottom: 4px;
}

.partner-item small,
.stack-item small,
.muted {
  color: var(--muted);
}

.success-box {
  padding: 18px;
  border: 1px solid rgba(19, 111, 99, 0.26);
  border-radius: 8px;
  background: #eef8f3;
}

.large-code {
  display: inline-block;
  margin: 8px 0 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fff;
  color: var(--brand-strong);
  font-size: 24px;
  font-weight: 900;
}

.inline-result {
  margin-top: 14px;
  color: var(--brand-strong);
  font-weight: 800;
}

.whatsapp-status {
  display: grid;
  gap: 4px;
  margin: 14px 0 4px;
  padding: 14px;
  border: 1px solid rgba(19, 111, 99, 0.22);
  border-radius: 8px;
  background: #eef8f3;
}

.whatsapp-status strong {
  color: var(--brand-strong);
}

.whatsapp-status span {
  color: var(--muted);
  line-height: 1.45;
}

.whatsapp-status[data-status="failed"],
.whatsapp-status[data-status="offline"] {
  border-color: rgba(183, 92, 103, 0.28);
  background: #fff1f3;
}

.whatsapp-status[data-status="failed"] strong,
.whatsapp-status[data-status="offline"] strong {
  color: var(--rose);
}

.whatsapp-status[data-status="dry-run"],
.whatsapp-status[data-status="sending"] {
  border-color: rgba(189, 138, 45, 0.34);
  background: #fff8e9;
}

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

.metric {
  padding: 18px;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  color: var(--brand-strong);
  font-size: 32px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.panel-head h3 {
  margin: 0;
}

.stack-list {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.table-panel {
  margin-top: 18px;
}

.table-search {
  width: min(340px, 100%);
  min-height: 40px;
}

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

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  background: #eef3f0;
  color: var(--brand-strong);
  font-size: 12px;
  font-weight: 800;
}

.badge.warning {
  background: #fff3dc;
  color: #8a5b00;
}

.badge.danger {
  background: #ffecef;
  color: #9c3342;
}

@media (max-width: 860px) {
  .topbar,
  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    border-radius: 8px;
  }

  .nav a {
    flex: 1;
    min-width: 72px;
  }

  .hero,
  .two-column,
  .dashboard-grid,
  .metric-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 520px;
    align-content: end;
  }

  .actions {
    justify-content: stretch;
  }

  .actions button {
    flex: 1;
  }
}