.sgn-shell {
  --sgn-ink: #1B1B1E;
  --sgn-slate: #373F51;
  --sgn-accent: #58A4B0;
  --sgn-blue: #A9BCD0;
  --sgn-mist: #D8DBE2;
  --sgn-good: #6dc93a;
  --sgn-bad: #c93a5e;
  --sgn-surface: #ffffff;
  --sgn-soft: #f5f7fa;
  --sgn-line: rgba(55, 63, 81, .18);
  --sgn-muted: rgba(27, 27, 30, .66);
  position: relative;
  isolation: isolate;
  color: var(--sgn-ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  max-width: 1600px;
  margin: 0 auto;
  padding: 30px 16px 46px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, #ffffff 0%, var(--sgn-soft) 46%, #ffffff 100%);
  overflow: hidden;
}

.sgn-shell::before {
  content: "";
  position: relative;
  z-index: 2;
  display: block;
  height: 7px;
  margin: 0 0 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sgn-ink), var(--sgn-slate), var(--sgn-accent), var(--sgn-blue), var(--sgn-mist));
}

.sgn-shell::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0 0 auto;
  height: 350px;
  background:
    linear-gradient(180deg, rgba(245, 247, 250, .12) 0%, rgba(245, 247, 250, .72) 58%, #fff 100%),
    linear-gradient(90deg, rgba(27, 27, 30, .28) 0%, rgba(88, 164, 176, .18) 52%, rgba(216, 219, 226, .74) 100%),
    url("assets/bg.jpg") center top / cover no-repeat;
  opacity: .62;
  pointer-events: none;
}

.sgn-shell * {
  box-sizing: border-box;
}

.sgn-shell > * {
  position: relative;
  z-index: 1;
}

.sgn-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  min-height: 210px;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(27, 27, 30, .9) 0%, rgba(55, 63, 81, .82) 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px;
  box-shadow: 0 20px 45px rgba(27, 27, 30, .14);
  backdrop-filter: blur(10px);
}

.sgn-hero h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

.sgn-hero__logo {
  display: block;
  width: min(340px, 70vw);
  height: auto;
  margin: 0 0 20px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 12px 30px rgba(27, 27, 30, .14);
}

.sgn-hero p {
  max-width: 620px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: 18px;
  line-height: 1.5;
}

.sgn-score {
  display: grid;
  place-items: center;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(169, 188, 208, .6);
  border-radius: 50%;
  background: rgba(27, 27, 30, .26);
  box-shadow: inset 0 0 0 8px rgba(88, 164, 176, .26);
  backdrop-filter: blur(10px);
}

.sgn-score span {
  display: block;
  color: #fff;
  font-size: 46px;
  line-height: 1;
  font-weight: 900;
}

.sgn-score small {
  margin-top: -22px;
  color: #fff;
  font-weight: 800;
}

.sgn-scan-action {
  margin: 16px 0 0;
}

.sgn-scan-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 58px;
  padding: 14px 28px;
  border: none !important;
  border-bottom: 5px solid rgba(55, 63, 81, .34) !important;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sgn-accent) 0%, var(--sgn-blue) 100%);
  color: #fff !important;
  box-shadow: none;
  cursor: pointer;
  font: inherit;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0;
  text-decoration: none;
  text-shadow: 0 1px 2px rgba(27, 27, 30, .24);
  transition: transform .14s ease, border-bottom-width .14s ease;
}

.sgn-scan-button:active {
  transform: translateY(4px);
  border-bottom-width: 1px !important;
}

.sgn-scan-progress {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(88, 164, 176, .28);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
}

.sgn-scan-progress[hidden] {
  display: none;
}

.sgn-scan-progress__loader {
  display: grid;
  place-items: center;
}

.sgn-scan-progress__loader img {
  width: 82px;
  height: 82px;
  object-fit: contain;
}

.sgn-scan-progress__body {
  min-width: 0;
}

.sgn-scan-progress__head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  color: var(--sgn-slate);
  font-weight: 900;
}

.sgn-scan-progress__head strong {
  color: var(--sgn-accent);
  font-size: 20px;
}

.sgn-scan-progress__bar {
  height: 16px;
  margin-top: 12px;
  border-radius: 999px;
  background: var(--sgn-mist);
  overflow: hidden;
}

.sgn-scan-progress__bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--sgn-accent), var(--sgn-blue));
  transition: width .22s ease;
}

.sgn-scan-progress p {
  margin: 10px 0 0;
  color: var(--sgn-muted);
  font-size: 14px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.sgn-page-loader {
  position: fixed;
  z-index: 2147483647;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .82);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .16s ease, visibility .16s ease;
}

.sgn-page-loader.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sgn-page-loader img {
  width: 82px;
  height: 82px;
  object-fit: contain;
}

.sgn-grid {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.sgn-grid--cards {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.sgn-grid--split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sgn-card,
.sgn-panel {
  position: relative;
  overflow: hidden;
  background: var(--sgn-surface);
  border: 1px solid var(--sgn-line);
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(55, 63, 81, .06);
}

.sgn-card::before,
.sgn-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 15px;
  background: var(--sgn-accent);
}

.sgn-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 11px;
  min-height: 142px;
  padding: 30px 16px 16px;
}

.sgn-card__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  color: #fff;
  background: var(--sgn-slate);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.sgn-card--good .sgn-card__icon {
  background: var(--sgn-good);
}

.sgn-card--good::before {
  background: var(--sgn-good);
}

.sgn-card--warn .sgn-card__icon {
  background: var(--sgn-blue);
  color: var(--sgn-ink);
}

.sgn-card--warn::before {
  background: var(--sgn-blue);
}

.sgn-card--bad .sgn-card__icon {
  background: var(--sgn-bad);
}

.sgn-card--bad::before {
  background: var(--sgn-bad);
}

.sgn-panel--good::before {
  background: var(--sgn-good);
}

.sgn-panel--warn::before {
  background: var(--sgn-blue);
}

.sgn-panel--bad::before {
  background: var(--sgn-bad);
}

.sgn-card h3,
.sgn-panel h2,
.sgn-panel h3 {
  margin: 0;
  color: var(--sgn-slate);
  letter-spacing: 0;
}

.sgn-card h3 {
  font-size: 14px;
}

.sgn-card strong {
  display: block;
  margin-top: 8px;
  color: var(--sgn-ink);
  font-size: 22px;
}

.sgn-card p,
.sgn-note,
.sgn-empty {
  margin: 8px 0 0;
  color: var(--sgn-muted);
  font-size: 13px;
  line-height: 1.45;
}

.sgn-panel {
  padding: 23px 18px 18px;
}

.sgn-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.sgn-panel__head h2 {
  color: var(--sgn-ink);
  font-size: 21px;
}

.sgn-panel__head span {
  flex: 0 0 auto;
  border-radius: 12px;
  background: var(--sgn-mist);
  color: var(--sgn-slate);
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 800;
}

.sgn-subtitle {
  margin-top: 18px !important;
  font-size: 15px;
}

.sgn-file-list,
.sgn-link-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sgn-file-list li,
.sgn-link-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--sgn-line);
  border-radius: 10px;
  background: var(--sgn-soft);
}

.sgn-file-list a,
.sgn-link-list a {
  min-width: 0;
  color: var(--sgn-slate);
  font-weight: 800;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.sgn-file-list a:hover,
.sgn-link-list a:hover {
  color: var(--sgn-accent);
}

.sgn-file-list span,
.sgn-link-list span {
  flex: 0 0 auto;
  color: var(--sgn-muted);
  font-size: 12px;
}

.sgn-stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.sgn-stat-row div {
  min-height: 92px;
  padding: 14px;
  border: 1px solid var(--sgn-line);
  border-radius: 10px;
  background: var(--sgn-soft);
}

.sgn-stat-row strong {
  display: block;
  color: var(--sgn-accent);
  font-size: 30px;
  line-height: 1;
}

.sgn-stat-row span {
  display: block;
  margin-top: 8px;
  color: var(--sgn-muted);
  font-size: 13px;
}

.sgn-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sgn-tags span {
  border-radius: 12px;
  background: var(--sgn-mist);
  border: 1px solid var(--sgn-line);
  color: var(--sgn-slate);
  padding: 8px 11px;
  font-weight: 800;
  font-size: 13px;
}

@media (max-width: 1100px) {
  .sgn-grid--cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .sgn-shell {
    padding: 18px 12px 34px;
  }

  .sgn-hero,
  .sgn-grid--split {
    grid-template-columns: 1fr;
  }

  .sgn-hero {
    padding: 24px;
  }

  .sgn-score {
    width: 118px;
    height: 118px;
  }

  .sgn-grid--cards,
  .sgn-stat-row {
    grid-template-columns: 1fr;
  }

  .sgn-file-list li,
  .sgn-link-list li {
    align-items: flex-start;
    flex-direction: column;
  }

  .sgn-scan-progress {
    grid-template-columns: 1fr;
  }
}