.frs-app {
  --frs-bg: radial-gradient(circle at top left, rgba(66,214,255,.18), transparent 24%), linear-gradient(140deg, #040a14 0%, #081426 38%, #0b1a30 64%, #122847 100%);
  --frs-panel: rgba(7, 16, 31, 0.82);
  --frs-panel-2: rgba(255, 255, 255, 0.05);
  --frs-border: rgba(255,255,255,0.08);
  --frs-text: #eef4ff;
  --frs-muted: #95a9c9;
  --frs-accent: #47dcff;
  --frs-accent-2: #7d7fff;
  --frs-good: #39d786;
  --frs-mid: #ffc76a;
  --frs-high: #ff6786;
  color: var(--frs-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.frs-shell {
  background: var(--frs-bg);
  border: 1px solid var(--frs-border);
  border-radius: 28px;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.34);
  padding: 28px;
  max-width: 1120px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}

.frs-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(circle at center, black, transparent 92%);
  pointer-events: none;
}

.frs-shell::before,
.frs-shell::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.frs-shell::before {
  top: -140px;
  left: -80px;
  background: rgba(71,220,255,.12);
}

.frs-shell::after {
  bottom: -160px;
  right: -90px;
  background: rgba(125,127,255,.14);
}

.frs-header,
.frs-topbar,
.frs-form-panel,
.frs-console-wrap,
.frs-results,
.frs-history-wrap {
  position: relative;
  z-index: 1;
}

.frs-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.frs-title-wrap {
  max-width: 760px;
}

.frs-header h2 {
  margin: 12px 0 12px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.02;
  color: #fff;
}

.frs-header p,
.frs-helper,
.frs-score-copy p,
.frs-disclaimer,
.frs-card-label,
.frs-history-empty,
.frs-intel-card li,
.frs-topbar-label {
  color: var(--frs-muted);
}

.frs-badge,
.frs-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  padding: 8px 12px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.frs-shield {
  width: 86px;
  height: 86px;
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(71,220,255,.22), rgba(125,127,255,.22));
  border: 1px solid rgba(255,255,255,.12);
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 18px 40px rgba(13, 22, 40, .32);
}

.frs-shield small {
  display: block;
  font-size: 10px;
  opacity: .82;
}

.frs-topbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.frs-topbar-item,
.frs-intel-card,
.frs-card,
.frs-history-item {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--frs-border);
  border-radius: 18px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}

.frs-topbar-item {
  padding: 16px 18px;
}

.frs-topbar-label,
.frs-card-label {
  display: block;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.frs-topbar-item strong,
.frs-card strong,
.frs-intel-card h3,
.frs-score-copy h3,
.frs-history-meta strong,
.frs-history-score {
  color: #fff;
}

.frs-form-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr);
  gap: 18px;
  margin-bottom: 22px;
}

.frs-form,
.frs-intel-card {
  padding: 22px;
  background: var(--frs-panel);
  border: 1px solid var(--frs-border);
  border-radius: 22px;
}

.frs-form label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
}

.frs-input-row {
  display: flex;
  gap: 14px;
  align-items: stretch;
}

.frs-input-row input {
  flex: 1;
  min-height: 60px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: #fff;
  padding: 0 18px;
  font-size: 17px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}

.frs-input-row input:focus {
  border-color: rgba(71,220,255,.76);
  box-shadow: 0 0 0 4px rgba(71,220,255,.14);
}

.frs-scan-btn {
  min-width: 176px;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--frs-accent), var(--frs-accent-2));
  color: #08111f;
  font-weight: 800;
  font-size: 16px;
  padding: 0 22px;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
  box-shadow: 0 16px 40px rgba(71, 220, 255, 0.28);
}

.frs-scan-btn:hover { transform: translateY(-1px); }
.frs-scan-btn:disabled { opacity: .7; cursor: wait; }

.frs-form-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-top: 10px;
}

.frs-sound-toggle {
  display: inline-flex !important;
  align-items: center;
  gap: 10px;
  margin-bottom: 0 !important;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}

.frs-sound-toggle input {
  accent-color: #47dcff;
}

.frs-error {
  min-height: 20px;
  margin-top: 10px;
  color: #ff9ab0;
  font-size: 14px;
}

.frs-intel-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.frs-intel-card li + li {
  margin-top: 8px;
}

.frs-console-wrap,
.frs-history-wrap {
  background: var(--frs-panel);
  border: 1px solid var(--frs-border);
  border-radius: 22px;
  overflow: hidden;
}

.frs-console-header {
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--frs-border);
}

.frs-progress-rail {
  position: relative;
  height: 10px;
  background: linear-gradient(90deg, rgba(255,255,255,.04), rgba(255,255,255,.08));
  overflow: hidden;
}

.frs-progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, rgba(71,220,255,.92), rgba(125,127,255,.92));
  transition: width .28s ease;
  box-shadow: 0 0 18px rgba(71,220,255,.45);
}

.frs-progress-scanline {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.42), transparent);
  animation: frsScanline 2.2s linear infinite;
  opacity: .9;
}

@keyframes frsScanline {
  from { transform: translateX(-140px); }
  to { transform: translateX(calc(100vw + 140px)); }
}

.frs-console {
  padding: 18px;
  min-height: 300px;
  max-height: 440px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.7;
}

.frs-log-line {
  display: flex;
  gap: 12px;
  margin-bottom: 9px;
  color: #dce7fb;
}

.frs-log-time { color: #6dcfff; white-space: nowrap; }
.frs-log-ok { color: var(--frs-good); }
.frs-log-warn { color: var(--frs-mid); }
.frs-log-high { color: var(--frs-high); }

.frs-results {
  margin-top: 22px;
}

.frs-score-panel {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 24px;
  align-items: center;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--frs-border);
  border-radius: 24px;
  padding: 22px;
}

.frs-score-ring {
  position: relative;
  width: 190px;
  height: 190px;
  margin: 0 auto;
}

.frs-score-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.frs-score-ring circle {
  fill: none;
  stroke-width: 10;
  stroke: rgba(255,255,255,.08);
}

.frs-score-ring circle[data-frs-progress] {
  stroke: url(#frs-grad);
  stroke: #47dcff;
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transition: stroke-dashoffset .8s ease;
  filter: drop-shadow(0 0 12px rgba(71,220,255,.42));
}

.frs-score-content {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
}

.frs-score-number {
  font-size: 54px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.frs-score-content small {
  display: block;
  margin-top: 4px;
  font-size: 18px;
  color: var(--frs-muted);
}

.frs-score-copy h3 {
  margin: 12px 0 10px;
  font-size: clamp(26px, 3vw, 36px);
}

.frs-metadata-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.frs-card {
  padding: 18px;
}

.frs-card strong {
  font-size: 17px;
  line-height: 1.35;
}

.frs-flag-card {
  font-size: 28px !important;
}

.frs-disclaimer {
  margin-top: 14px;
  font-size: 13px;
}

.frs-history-wrap {
  margin-top: 22px;
}

.frs-history {
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.frs-history-item {
  padding: 16px;
}

.frs-history-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}

.frs-history-score {
  display: inline-flex;
  min-width: 64px;
  justify-content: center;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.08);
}

.frs-history-meta {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

.frs-history-empty {
  padding: 6px 2px;
}

@media (max-width: 960px) {
  .frs-topbar,
  .frs-metadata-grid,
  .frs-history {
    grid-template-columns: 1fr 1fr;
  }

  .frs-form-panel,
  .frs-score-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .frs-shell { padding: 20px; border-radius: 20px; }
  .frs-header { flex-direction: column; }
  .frs-topbar,
  .frs-metadata-grid,
  .frs-history { grid-template-columns: 1fr; }
  .frs-input-row,
  .frs-form-footer { flex-direction: column; align-items: stretch; }
  .frs-scan-btn { min-height: 56px; }
  .frs-score-ring { width: 170px; height: 170px; }
}