/* 0데이터 Form — extends styles.css (DESIGN.md · 체험관 패턴) */

/* 바깥 흰색 · 안쪽 밴드 (랜딩=teal · 위저드=노랑) */
body.dc-page {
  background: var(--surface);
  color: var(--ink);
}

.dc-shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 20px 64px;
  min-height: 100dvh;
}

body.splash-mode .dc-shell {
  background: var(--teal);
}

body.dc-band-form .dc-shell {
  background: var(--yellow);
}

.dc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: var(--nav-h);
  margin: 0 -20px 20px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

body.splash-mode .dc-top {
  background: color-mix(in srgb, var(--teal) 88%, transparent);
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

body.dc-band-form .dc-top {
  background: color-mix(in srgb, var(--yellow) 90%, transparent);
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

.dc-top a,
.dc-top-back {
  color: var(--text-strong);
  font-weight: 600;
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.dc-top a:hover,
.dc-top-back:hover {
  color: var(--link);
}

.dc-screen {
  display: none;
  animation: rise 0.28s ease;
}

.dc-screen.active {
  display: block;
}

/* ── paper (brutal · #main-shell 동일) ── */

.dc-paper {
  background: var(--surface);
  border: 2px solid var(--brutal);
  border-radius: 2px;
  padding: 28px 22px;
  box-shadow: 4px 4px 0 var(--brutal);
}

.dc-paper--landing {
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s;
}

.dc-paper--landing:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--brutal);
}

.dc-paper--landing:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 2px;
}

.dc-paper--wizard {
  padding: 22px 20px 24px;
}

.dc-paper h1 {
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 0 0 8px;
}

.dc-paper h2 {
  font-size: 1.25rem;
  margin: 0 0 10px;
}

.dc-paper .lead {
  margin-bottom: 16px;
}

#screen-landing .dc-landing-story,
#screen-landing .dc-stat,
.dc-paper--wizard .dc-bar,
.dc-paper--wizard .dc-hook {
  background: color-mix(in srgb, var(--sky-soft) 30%, transparent);
}

#screen-landing .quote {
  border-left-color: var(--link);
}

/* ── buttons (sky · brutal) ── */

.dc-paper .btn-primary {
  background: var(--sky);
  border: 2px solid var(--brutal);
  box-shadow: -4px 4px 0 var(--brutal);
}

.dc-paper .btn-primary:hover {
  background: var(--sky-hover);
}

.dc-paper .btn-secondary {
  background: rgba(255, 255, 255, 0.7);
  border: 2px solid var(--brutal);
}

body.dc-band-form .dc-paper .btn-ghost {
  color: var(--muted);
}

body.dc-band-form .dc-paper .btn-ghost:hover {
  color: var(--text-strong);
}

/* landing */

.dc-landing-story {
  margin: 20px 0;
  padding: 16px;
  border-radius: var(--r-sm);
}

.dc-landing-story-label {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.dc-landing-story-text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
}

.dc-landing-story-you {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.dc-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.dc-stat {
  padding: 12px 8px;
  border-radius: var(--r-sm);
  text-align: center;
}

.dc-stat .n {
  display: block;
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.dc-stat .l {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--muted);
}

.dc-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}

.dc-fine {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  color: var(--ink);
  opacity: 0.85;
}

/* wizard */

.dc-progress-wrap {
  margin-bottom: 20px;
}

.dc-progress-track {
  height: 3px;
  border-radius: var(--r-full);
  background: rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

.dc-progress-fill {
  height: 100%;
  background: var(--brutal);
  border-radius: var(--r-full);
  transition: width 0.3s ease;
}

.dc-step-eyebrow {
  margin: 8px 0 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.dc-card {
  margin-bottom: 8px;
}

.dc-card-question {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-strong);
}

.dc-card-hint {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--text);
}

.dc-hook {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--link);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
}

.dc-item-select + .dc-hook {
  margin-top: 20px;
}

.dc-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-strong);
}

.dc-card-meta {
  display: none;
}

.dc-card-input {
  width: 100%;
  min-height: 44px;
  padding: 11px 14px;
  border: 2px solid var(--brutal);
  border-radius: 2px;
  font: inherit;
  font-size: 15px;
  background: var(--surface);
  color: var(--text-strong);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.dc-card-input:focus {
  outline: none;
  border-color: var(--brutal);
  box-shadow: 0 0 0 3px var(--sky-soft);
}

.dc-card-input::placeholder {
  color: var(--muted-soft);
}

textarea.dc-card-input {
  min-height: 88px;
  resize: vertical;
}

.dc-item-select {
  margin-top: 4px;
}

/* contrast (막국수 vs 당신) */

.dc-contrast {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.dc-contrast-them,
.dc-contrast-you {
  padding: 14px;
  border-radius: 2px;
}

.dc-contrast-them {
  background: color-mix(in srgb, var(--sky-soft) 30%, transparent);
}

.dc-contrast-you {
  background: var(--surface);
  border: 2px solid rgba(0, 0, 0, 0.1);
}

.dc-contrast-label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.dc-contrast-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
}

/* radio / check */

.dc-radiogroup,
.dc-checkgroup {
  display: grid;
  gap: 8px;
}

.dc-radio-card,
.dc-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border: 2px solid var(--brutal);
  border-radius: 2px;
  background: var(--surface);
  cursor: pointer;
  font-size: 14px;
  line-height: 1.45;
  transition: background 0.15s, box-shadow 0.12s;
}

.dc-radio-card:has(input:checked),
.dc-check:has(input:checked) {
  background: color-mix(in srgb, var(--sky-soft) 30%, transparent);
}

.dc-radio-card input,
.dc-check input {
  margin-top: 3px;
  accent-color: var(--link);
}

/* pub bar */

.dc-bar {
  margin: 16px 0 0;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  font-size: 12px;
  text-align: center;
  color: var(--text);
}

.dc-bar.ok {
  color: var(--ok);
  background: rgba(24, 113, 8, 0.12);
}

.dc-bar.warn {
  color: #66370d;
  background: color-mix(in srgb, var(--yellow-soft) 55%, transparent);
}

/* done */

.dc-receipt-eyebrow {
  margin-top: 8px;
}

.dc-receipt {
  margin: 0 0 12px;
}

.dc-verdict {
  margin: 0 0 16px;
}

.dc-result {
  margin: 16px 0;
}

.dc-result-head {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
}

.dc-result-compare-hd,
.dc-result-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 8px;
  font-size: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.dc-result-compare-hd {
  font-weight: 600;
  color: var(--muted-soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dc-result-row-label {
  color: var(--text);
}

.dc-result-them {
  color: var(--muted);
}

.dc-result-you {
  font-weight: 600;
  color: var(--text-strong);
}

.dc-result-solo {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
}

.dc-result-solo dt {
  margin-top: 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted-soft);
}

.dc-result-solo dd {
  margin: 2px 0 0;
  color: var(--text-strong);
}

.dc-result-takeaway {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  border-left: 3px solid var(--link);
  background: color-mix(in srgb, var(--sky-soft) 30%, transparent);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
}

.dc-sim-report {
  margin-top: 20px;
}

.dc-sim-ref {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--yellow-soft) 50%, transparent);
  font-size: 13px;
  line-height: 1.5;
}

.dc-sim-table {
  margin-bottom: 12px;
  overflow-x: auto;
}

.dc-sim-hd,
.dc-sim-row {
  display: grid;
  grid-template-columns: 0.7fr 1fr 0.9fr 1.1fr 1fr 0.8fr;
  gap: 6px;
  font-size: 11px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.dc-sim-hd {
  font-weight: 600;
  color: var(--muted-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dc-sim-case {
  font-weight: 700;
  color: var(--text-strong);
}

.dc-sim-result small {
  color: var(--muted);
  font-weight: 400;
}

.dc-sim-vs {
  font-weight: 600;
  color: var(--link);
}

.dc-sim-takeaway {
  margin: 0 0 12px;
  padding: 8px 10px 10px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text);
  border-bottom: 1px dashed var(--line);
}

.dc-sim-stack {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.dc-sim-stack ul {
  margin: 8px 0 0;
  padding-left: 1.1rem;
  line-height: 1.5;
}

.dc-preview-toggle {
  margin-top: 16px;
}

.dc-preview-toggle summary {
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
}

.dc-preview pre {
  margin: 8px 0 0;
  padding: 14px;
  border-radius: var(--r-sm);
  background: var(--code-bg);
  color: var(--code-fg);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.45;
  overflow-x: auto;
  max-height: 280px;
}

.dc-field.invalid .dc-card-input,
.dc-item-select.invalid {
  border-color: var(--err);
  box-shadow: 0 0 0 2px rgba(217, 0, 0, 0.2);
}