:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background: #090b13;
  color: #f5efe4;
  --surface: #141725;
  --surface-2: #1d2133;
  --border: #3a425d;
  --gold: #e3a532;
  --blue: #72b7e8;
  --danger: #f08376;
  --quiet: #aeb5c8;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top, #202941, #090b13 60%); }
button, input, textarea { font: inherit; }
button { min-height: 44px; }

.campaign-setup-shell { width: min(1180px, 100%); margin: 0 auto; padding: clamp(16px, 3vw, 40px); }
.setup-header { display: flex; justify-content: space-between; gap: 24px; align-items: center; margin-bottom: 24px; }
.setup-header-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 10px; }
.home-link { min-height: 44px; display: inline-flex; align-items: center; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; color: inherit; font-weight: 700; text-decoration: none; }
.home-link:hover { border-color: var(--gold); }
h1, h2 { margin: 0; font-family: Georgia, serif; }
h1 { font-size: clamp(1.8rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2.2rem); }
.eyebrow { margin: 0 0 8px; color: var(--gold); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.quiet { color: var(--quiet); font-size: .9rem; }
.sync-state { padding: 8px 12px; border: 1px solid var(--border); border-radius: 999px; white-space: nowrap; }

.setup-progress { display: grid; grid-template-columns: repeat(8, minmax(110px, 1fr)); gap: 8px; margin-bottom: 20px; overflow-x: auto; padding-bottom: 8px; }
.setup-progress button { border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: inherit; padding: 10px; text-align: left; cursor: pointer; }
.setup-progress button[aria-current="step"] { border-color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold); }
.setup-progress span, .setup-progress small { display: block; }
.setup-progress small { margin-top: 4px; color: var(--quiet); }

.setup-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(270px, .8fr); gap: 20px; align-items: start; }
.setup-step, .setup-summary, .setup-loading { border: 1px solid var(--border); border-radius: 16px; background: color-mix(in srgb, var(--surface) 94%, transparent); padding: clamp(18px, 3vw, 34px); box-shadow: 0 18px 50px #0007; }
.setup-loading { margin: 15vh auto 0; max-width: 680px; }
.setup-attention { border-color: var(--gold); }
.step-explanation { max-width: 72ch; color: var(--quiet); line-height: 1.6; }
.setup-summary { position: sticky; top: 16px; }
.setup-summary dl { margin: 20px 0 0; }
.setup-summary dl div { padding: 11px 0; border-bottom: 1px solid var(--border); }
.setup-summary dt { color: var(--quiet); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.setup-summary dd { margin: 4px 0 0; }

.step-form { display: grid; gap: 18px; margin-top: 26px; }
.step-form > label { display: grid; gap: 7px; font-weight: 700; }
input, textarea { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: #0d101b; color: inherit; }
textarea { min-height: 96px; resize: vertical; }
input:focus-visible, textarea:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.choice-grid { display: grid; gap: 10px; margin: 0; padding: 0; border: 0; }
.choice-card { display: flex; gap: 12px; padding: 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); cursor: pointer; }
.choice-card:has(input:checked) { border-color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold); }
.choice-card input { width: auto; margin: 3px 0 0; }
.choice-card strong, .choice-card small { display: block; }
.choice-card small { margin-top: 4px; color: var(--quiet); line-height: 1.45; }
.info-card, .ready-card { padding: 16px; border-left: 4px solid var(--blue); background: #111b2a; }
.ready-card.attention { border-color: var(--danger); }
.form-error { padding: 12px; border: 1px solid var(--danger); color: #ffe1dd; background: #3a151b; border-radius: 8px; }
.step-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; padding-top: 8px; }
.step-actions button { padding: 10px 16px; border-radius: 8px; cursor: pointer; }
.primary { border: 1px solid var(--gold); background: var(--gold); color: #17100a; font-weight: 800; }
.secondary { border: 1px solid var(--border); background: transparent; color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

@media (max-width: 820px) {
  .setup-layout { grid-template-columns: 1fr; }
  .setup-summary { position: static; }
  .setup-progress { grid-template-columns: repeat(8, 150px); }
}

@media (max-width: 520px) {
  .campaign-setup-shell { padding: 10px; }
  .setup-header { align-items: flex-start; flex-direction: column; }
  .setup-header-actions, .home-link { width: 100%; }
  .setup-header-actions { align-items: stretch; flex-direction: column; }
  .setup-step, .setup-summary, .setup-loading { border-radius: 10px; padding: 16px; }
  .step-actions { display: grid; grid-template-columns: 1fr; }
  .step-actions button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}