:root {
  --bg: #eef1f3;
  --ink: #111820;
  --muted: #5d6874;
  --panel: #ffffff;
  --line: #d8dee4;
  --red: #b42a2a;
  --green: #146c43;
  --blue: #1c4f80;
  --gold: #b37a1b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(180, 42, 42, .08), transparent 28%),
    linear-gradient(315deg, rgba(20, 108, 67, .10), transparent 35%),
    var(--bg);
}

.app-shell {
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 8px;
  font-size: clamp(36px, 5vw, 72px);
  line-height: .95;
}

.claim {
  max-width: 820px;
  font-size: 20px;
  line-height: 1.35;
  color: #26323e;
}

.status-panel,
.input-panel,
.result-panel {
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(17,24,32,.08);
}

.status-panel {
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
}

.status-panel small,
.score-box small {
  color: var(--muted);
  line-height: 1.35;
}

.workspace {
  display: grid;
  grid-template-columns: 470px 1fr;
  gap: 20px;
}

.input-panel,
.result-panel {
  padding: 20px;
}

.section-head,
.report-head,
.actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  margin: 13px 0;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c6ced6;
  border-radius: 6px;
  padding: 11px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

textarea { resize: vertical; }

.grid-2,
.grid-3 {
  display: grid;
  gap: 12px;
}

.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

fieldset {
  margin: 16px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

legend {
  padding: 0 6px;
  font-weight: 800;
}

fieldset label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 9px 0;
  font-weight: 600;
}

fieldset input {
  width: 17px;
  height: 17px;
}

button {
  border: 0;
  border-radius: 6px;
  padding: 11px 14px;
  font-weight: 800;
  cursor: pointer;
}

.primary-btn {
  color: #fff;
  background: var(--red);
}

.secondary-btn {
  color: var(--ink);
  background: #e4e9ee;
}

.ghost-btn {
  color: var(--blue);
  background: #e9f1f8;
}

.score-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 14px 0;
}

.score-box {
  min-height: 96px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafb;
}

.score-box span {
  font-size: 34px;
  font-weight: 900;
}

.warning {
  padding: 14px;
  border-left: 5px solid var(--gold);
  background: #fff8ea;
  line-height: 1.45;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

article,
.offer-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
}

li {
  margin: 8px 0;
  line-height: 1.4;
}

.ad-card {
  border-color: #bcd2c4;
  background: #f3fbf5;
}

.offer-box {
  margin-top: 14px;
  background: #f7f9fb;
}

@media (max-width: 1100px) {
  .topbar,
  .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .app-shell {
    width: min(100% - 18px, 1480px);
    padding-top: 12px;
  }

  .grid-2,
  .grid-3,
  .score-row,
  .report-grid {
    grid-template-columns: 1fr;
  }

  .section-head,
  .report-head,
  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  button { width: 100%; }
}

@media print {
  body { background: #fff; }
  .input-panel,
  .ghost-btn,
  .secondary-btn,
  .primary-btn { display: none; }
  .workspace,
  .topbar { grid-template-columns: 1fr; }
  .result-panel { box-shadow: none; }
}