:root {
  --bg: #f4f7fb;
  --bg-strong: #eaf0f7;
  --panel: rgba(255, 255, 255, 0.95);
  --panel-strong: #ffffff;
  --panel-soft: #f8fbff;
  --text: #16202d;
  --muted: #5b6778;
  --line: #d6dfeb;
  --line-strong: #b9c7d9;
  --accent: #0f5fd7;
  --accent-strong: #0b46a1;
  --accent-soft: #eaf2ff;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --success: #117a48;
  --shadow: 0 24px 60px rgba(15, 32, 58, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 95, 215, 0.12), transparent 28%),
    linear-gradient(180deg, #fdfefe 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(22, 32, 45, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 32, 45, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
}

.site-page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  padding: 24px 20px 36px;
}

.site-chrome {
  width: min(100%, 1160px);
  margin: 0 auto;
  padding: 18px 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 14px 34px rgba(15, 32, 58, 0.06);
  backdrop-filter: blur(10px);
}

.site-header,
.site-footer {
  display: grid;
  gap: 10px;
}

.site-brand-block {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.site-brand-kicker,
.site-footer-title {
  margin: 0;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-brand-name {
  color: var(--text);
  font-size: clamp(1.5rem, 2vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.site-brand-copy,
.site-footer-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.page-shell {
  width: 100%;
  display: grid;
  place-items: center;
  padding: 0;
}

.landing-shell,
.result-shell,
.error-shell {
  width: 100%;
}

.hero-panel,
.loading-card,
.result-layout,
.error-layout {
  position: relative;
  width: min(100%, 1160px);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-panel::after,
.loading-card::after,
.result-layout::after,
.error-layout::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(15, 95, 215, 0.1);
  border-radius: 20px;
  pointer-events: none;
}

.eyebrow,
.loading-kicker,
.section-kicker,
.loading-status-label,
.signal-label {
  margin: 0 0 12px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  font-weight: 600;
}

.text-wrap-pretty,
.natural-wrap {
  min-width: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

#page-title,
#result-title,
#error-title,
#loading-title,
.intro-copy,
.result-summary,
.error-summary,
.loading-current-step,
.loading-note,
.site-brand-copy,
.site-footer-copy,
.guidance-card strong,
.guidance-card p,
.section-heading-row h2,
.detail-card-header h3 {
  min-width: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

h1 {
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.1rem;
}

.intro-copy,
.loading-note,
.detail-summary,
.detail-risk,
.error-summary,
.trust-point p,
.guidance-card p {
  color: var(--muted);
  line-height: 1.7;
}

.intro-copy {
  margin: 16px 0 0;
  max-width: 58rem;
  font-size: 1.05rem;
}

.hero-copy-block,
.panel-heading-row > div,
.section-heading-row > div,
.detail-card-header > :first-child {
  min-width: 0;
}

.hero-panel,
.result-layout,
.error-layout {
  display: grid;
  gap: 28px;
}

.entry-grid,
.verdict-hero,
.summary-strip,
.error-guidance {
  display: grid;
  gap: 20px;
}

.entry-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: start;
}

.entry-grid-single {
  grid-template-columns: minmax(0, 1fr);
}

.landing-shell .entry-grid {
  gap: 0;
}

.landing-shell .submission-panel {
  border: 0;
  background: transparent;
  border-radius: 0;
  padding: 0;
}

.submission-panel,
.trust-panel,
.signal-card,
.summary-strip-card,
.guidance-card,
.detail-card,
.content-viewer,
.disclosure-block,
.score-panel,
.loading-status-panel {
  border: 1px solid var(--line);
  background: var(--panel-strong);
  border-radius: 22px;
}

.submission-panel,
.trust-panel,
.score-panel,
.loading-status-panel,
.guidance-card,
.summary-strip-card,
.detail-card,
.content-viewer,
.disclosure-block {
  padding: 22px;
}

.panel-heading-row,
.section-heading-row,
.detail-card-header,
.loading-card-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.loading-card-top {
  justify-content: flex-start;
  align-items: flex-start;
}

.loading-card-top > div:last-child {
  min-width: 0;
  text-align: left;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 700;
}

.url-form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.url-form input,
.url-form button {
  width: 100%;
  border-radius: 16px;
  border: 1px solid transparent;
  font: inherit;
}

.url-form input {
  padding: 18px 20px;
  background: var(--panel-soft);
  border-color: var(--line-strong);
  font-size: 1rem;
}

.url-form input:focus-visible,
.url-form button:focus-visible,
.retry-link:focus-visible,
.primary-link:focus-visible,
.text-link:focus-visible,
.disclosure-block summary:focus-visible {
  outline: 2px solid rgba(15, 95, 215, 0.5);
  outline-offset: 3px;
}

.url-form button {
  padding: 18px 20px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #f8fbff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.url-form button:hover,
.retry-link:hover,
.primary-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(11, 70, 161, 0.22);
}

.url-form button:disabled {
  cursor: wait;
  opacity: 0.82;
}

.form-feedback {
  display: grid;
  gap: 8px;
}

.form-error-summary,
.form-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.95rem;
}

.form-error-summary {
  display: none;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--danger-soft);
  border: 1px solid rgba(180, 35, 24, 0.16);
  font-weight: 600;
}

.form-error:empty {
  display: none;
}

.form-error-summary.is-visible,
.form-error.is-visible {
  display: block;
}

.example-list,
.trust-points,
.loading-steps {
  display: grid;
  gap: 12px;
}

.example-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.example-list li,
.trust-point {
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.trust-point strong,
.guidance-card strong,
.signal-card strong,
.summary-strip-card strong {
  display: block;
  font-size: 1.02rem;
}

.trust-point p,
.guidance-card p,
.signal-card .result-url {
  margin: 8px 0 0;
}

.verdict-hero {
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
  align-items: start;
}

.verdict-main {
  min-width: 0;
}

#result-title {
  max-width: 100%;
  font-size: clamp(1.3rem, 2vw, 2.15rem);
  line-height: 1.08;
}

.result-summary {
  margin: 16px 0 0;
  font-size: 1.05rem;
  line-height: 1.8;
}

.verdict-signals,
.summary-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signal-card,
.summary-strip-card {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.signal-card {
  padding: 18px;
  align-content: start;
  gap: 6px;
}

.signal-card .signal-label,
.summary-strip-card .signal-label {
  margin-bottom: 0;
}

.signal-card strong {
  font-size: clamp(0.98rem, 1.25vw, 1.15rem);
  line-height: 1.3;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.signal-card .result-url {
  font-size: clamp(0.9rem, 1.05vw, 1rem);
  line-height: 1.45;
}

.signal-card-wide,
.summary-strip-card-wide {
  grid-column: span 2;
}

.score-panel {
  display: grid;
  gap: 16px;
  align-self: stretch;
}

.score-badge {
  display: grid;
  gap: 2px;
  padding: 18px 20px;
  border: 1px solid rgba(15, 95, 215, 0.14);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(15, 95, 215, 0.08), #ffffff);
}

.score-badge strong {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  line-height: 1;
}

.score-badge span,
.score-caption,
.result-url,
.detail-risk,
.text-link {
  color: var(--muted);
}

.primary-link,
.retry-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 14px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #f8fbff;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.text-link {
  text-underline-offset: 0.2em;
}

.result-shell {
  align-items: start;
}

.result-layout {
  width: min(100%, 1120px);
}

.result-article-title,
.result-url,
.detail-summary,
.detail-risk,
.error-summary {
  margin: 0;
}

.detail-summary + .detail-risk {
  margin-top: 14px;
}

.result-article-title {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.35;
}

.result-url {
  word-break: break-all;
}

.result-section,
.artifact-stack {
  display: grid;
  gap: 16px;
}

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

.detail-score {
  flex: none;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 700;
}

.content-viewer {
  overflow: auto;
  background: var(--panel-soft);
}

.detail-risk {
  display: inline-flex;
  align-items: center;
  align-self: start;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--danger-soft);
  border: 1px solid rgba(180, 35, 24, 0.14);
  color: var(--danger);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.45;
}

.content-viewer pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: inherit;
  line-height: 1.8;
}

.disclosure-block {
  background: var(--panel-strong);
}

.disclosure-block summary {
  cursor: pointer;
  font-weight: 700;
}

.disclosure-block[open] summary {
  margin-bottom: 16px;
}

.retry-actions {
  margin: 0;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(12, 25, 44, 0.4);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.loading-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.loading-card {
  width: min(100%, 560px);
  display: grid;
  gap: 20px;
}

.loading-pulse {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 95, 215, 0.92) 0%, rgba(15, 95, 215, 0.08) 68%, transparent 70%);
  animation: pulse 1.8s ease-in-out infinite;
}

.loading-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.loading-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  line-height: 1.5;
  color: var(--muted);
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--line);
  font-size: 0.85rem;
  font-weight: 700;
}

.loading-current-step {
  margin: 0;
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 1.1rem;
}

.loading-status-message {
  margin: 4px 0 0;
  color: var(--muted);
  min-height: 1.3em;
}

.loading-steps li.is-active {
  color: var(--accent-strong);
  font-weight: 700;
  border-color: rgba(15, 95, 215, 0.28);
  background: var(--accent-soft);
}

.loading-steps li.is-complete {
  color: var(--text);
  border-color: rgba(17, 122, 72, 0.18);
}

.loading-steps li.is-complete .step-index {
  color: var(--success);
  border-color: rgba(17, 122, 72, 0.22);
}

.loading-error-message {
  min-height: 1.4em;
  margin: 0;
  color: var(--danger);
  font-weight: 600;
}

.error-layout {
  width: min(100%, 760px);
}

.error-summary {
  margin-top: 8px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(0.94);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.05);
    opacity: 1;
  }
}

@media (max-width: 640px) {
  .hero-panel,
  .loading-card,
  .result-layout,
  .error-layout {
    padding: 24px 18px;
    border-radius: 22px;
  }

  .hero-panel::after,
  .loading-card::after,
  .result-layout::after,
  .error-layout::after {
    inset: 10px;
    border-radius: 16px;
  }

  .page-shell,
  .loading-overlay {
    padding: 16px;
  }

  .site-page {
    padding: 16px 16px 28px;
  }

  .site-chrome {
    padding: 16px 18px;
  }

  .panel-heading-row,
  .section-heading-row,
  .detail-card-header,
  .loading-card-top {
    flex-direction: column;
    align-items: stretch;
  }

  .entry-grid,
  .verdict-hero,
  .summary-strip,
  .error-guidance,
  .verdict-signals,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(1.75rem, 7vw, 2.35rem);
    line-height: 1.12;
  }

  #result-title {
    font-size: clamp(1.05rem, 3.7vw, 1.35rem);
  }

  h2 {
    font-size: clamp(1.1rem, 5vw, 1.45rem);
  }

  .signal-card,
  .summary-strip-card {
    padding: 16px;
  }

  .score-badge {
    min-width: 0;
    text-align: left;
  }

  .signal-card-wide,
  .summary-strip-card-wide {
    grid-column: auto;
  }
}

@media (max-width: 1024px) {
  .verdict-signals,
  .summary-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-card-wide,
  .summary-strip-card-wide {
    grid-column: span 2;
  }
}