.quality-preview-open {
  overflow: hidden;
}

.quality-preview-overlay {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: grid;
  place-items: center;
  padding: clamp(12px, 3vw, 40px);
  background: rgba(4, 5, 7, 0.82);
  backdrop-filter: blur(10px);
}

.quality-preview-dialog {
  width: min(1120px, 100%);
  max-height: min(900px, calc(100vh - 32px));
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  overflow: hidden;
  color: #f5f5f6;
  background: #15171b;
  border: 1px solid #34373e;
  border-radius: 22px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
}

.quality-preview-header,
.quality-preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 26px;
}

.quality-preview-header {
  border-bottom: 1px solid #2a2d33;
}

.quality-preview-header > div {
  min-width: 0;
}

.quality-preview-header h2 {
  margin: 5px 0 3px;
  font-size: 22px;
}

.quality-preview-header p,
.quality-preview-footer p {
  margin: 0;
  color: #999da7;
  font-size: 13px;
}

.quality-feature-id {
  color: #ff742b;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.quality-preview-header > button {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border: 1px solid #34373e;
  border-radius: 50%;
  color: #d8d9dd;
  background: #1d2025;
  font-size: 25px;
  line-height: 1;
  cursor: pointer;
}

.quality-preview-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: #292c32;
}

.quality-preview-summary > div {
  min-width: 0;
  padding: 15px 20px;
  background: #1c1f24;
}

.quality-preview-summary small,
.quality-preview-summary strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quality-preview-summary small {
  margin-bottom: 5px;
  color: #8c9099;
  font-size: 11px;
}

.quality-preview-summary strong {
  font-size: 13px;
}

.quality-preview-tabs {
  display: flex;
  gap: 6px;
  padding: 14px 26px 0;
}

.quality-preview-tabs button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: #969aa4;
  background: transparent;
  font-weight: 700;
  cursor: pointer;
}

.quality-preview-tabs button:hover,
.quality-preview-tabs button.active {
  color: #fff;
  border-color: #493327;
  background: #2a1c16;
}

.quality-preview-tabs button.active {
  box-shadow: inset 0 -2px #ff5c19;
}

.quality-preview-body {
  min-height: 0;
  overflow: auto;
  padding: 18px 26px 26px;
}

.quality-source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.quality-source-card,
.quality-result-card,
.quality-security-note,
.quality-callout {
  border: 1px solid #30333a;
  border-radius: 14px;
  background: #1b1e23;
}

.quality-source-card {
  min-width: 0;
  padding: 16px;
}

.quality-source-card header {
  display: flex;
  align-items: center;
  gap: 9px;
}

.quality-source-card h3 {
  margin: 0;
  font-size: 15px;
}

.quality-priority {
  padding: 3px 7px;
  border-radius: 999px;
  color: #d9dbe0;
  background: #30333a;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.priority-required {
  color: #ffb089;
  background: #4a2415;
}

.priority-high {
  color: #ffd786;
  background: #3e3318;
}

.quality-source-card dl,
.quality-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0;
}

.quality-source-card dl div,
.quality-metrics div {
  padding: 9px;
  border-radius: 9px;
  background: #131519;
}

.quality-source-card dt,
.quality-metrics dt {
  color: #858a94;
  font-size: 10px;
}

.quality-source-card dd,
.quality-metrics dd {
  margin: 3px 0 0;
  font-size: 12px;
  font-weight: 700;
}

.quality-source-card > code {
  display: block;
  overflow: hidden;
  color: #b0b4bd;
  font-size: 11px;
  text-overflow: ellipsis;
}

.quality-source-card details {
  margin-top: 12px;
}

.quality-source-card summary {
  color: #ff8a51;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.quality-source-card pre {
  max-height: 230px;
  margin: 10px 0 0;
  overflow: auto;
  padding: 12px;
  border-radius: 9px;
  color: #c8cbd1;
  background: #0f1114;
  font: 11px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

.quality-callout {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.quality-callout span {
  color: #999da7;
  font-size: 12px;
}

.quality-diff-list {
  display: grid;
  gap: 8px;
}

.quality-diff-list article {
  display: grid;
  grid-template-columns: 56px 110px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 13px 15px;
  border: 1px solid #2d3036;
  border-radius: 11px;
  background: #191c20;
}

.quality-diff-list small {
  overflow: hidden;
  color: #8e929b;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quality-diff-list em {
  color: #c7c9cf;
  font-size: 11px;
  font-style: normal;
}

.quality-diff-status {
  padding: 4px 7px;
  border-radius: 999px;
  text-align: center;
  color: #aeb2ba;
  background: #30333a;
  font-size: 10px;
  font-weight: 800;
}

.status-added,
.status-changed {
  color: #ffb18a;
  background: #4a2415;
}

.status-removed {
  color: #ff9aa4;
  background: #481b22;
}

.quality-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.quality-result-card,
.quality-security-note {
  padding: 18px;
}

.quality-result-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.quality-result-card header small {
  color: #858a94;
  font-size: 10px;
}

.quality-result-card h3 {
  margin: 4px 0 0;
  font-size: 16px;
}

.quality-result-card header > span {
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.result-pass header > span {
  color: #99e5b2;
  background: #173524;
}

.result-fail header > span {
  color: #ffad88;
  background: #4a2415;
}

.result-pending header > span {
  color: #c5c8ce;
  background: #30333a;
}

.quality-code-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
}

.quality-code-list code {
  padding: 6px 8px;
  border: 1px solid #523020;
  border-radius: 7px;
  color: #ffb18a;
  background: #231712;
  font-size: 10px;
}

.quality-code-list p,
.quality-repair-note,
.quality-security-note p {
  margin: 0;
  color: #969aa3;
  font-size: 12px;
  line-height: 1.6;
}

.quality-security-note {
  grid-column: 1 / -1;
  border-color: #363940;
}

.quality-security-note strong {
  display: block;
  margin-bottom: 6px;
}

.quality-preview-footer {
  border-top: 1px solid #2a2d33;
}

.quality-preview-footer > div {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.quality-preview-footer button {
  min-height: 42px;
  padding-inline: 16px;
}

.quality-preview-loading,
.quality-preview-error {
  display: grid;
  place-items: center;
  gap: 13px;
  min-width: min(420px, 92vw);
  padding: 36px;
  border: 1px solid #34373e;
  border-radius: 18px;
  color: #f5f5f6;
  background: #17191e;
}

.quality-preview-loading span {
  width: 32px;
  height: 32px;
  border: 3px solid #3a3d44;
  border-top-color: #ff5c19;
  border-radius: 50%;
  animation: quality-preview-spin 0.7s linear infinite;
}

.quality-preview-error code {
  color: #ff9b70;
}

.quality-preview-error button {
  min-height: 38px;
  padding: 0 18px;
  border: 0;
  border-radius: 9px;
  color: #fff;
  background: #f05216;
}

@keyframes quality-preview-spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 760px) {
  .quality-preview-overlay {
    place-items: stretch;
    padding: 0;
  }

  .quality-preview-dialog {
    width: 100%;
    height: 100dvh;
    max-height: none;
    border: 0;
    border-radius: 0;
  }

  .quality-preview-header,
  .quality-preview-footer {
    padding: 15px 16px;
  }

  .quality-preview-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quality-preview-tabs {
    overflow-x: auto;
    padding: 10px 16px 0;
  }

  .quality-preview-tabs button {
    flex: 0 0 auto;
  }

  .quality-preview-body {
    padding: 14px 16px 20px;
  }

  .quality-source-grid,
  .quality-result-grid {
    grid-template-columns: 1fr;
  }

  .quality-diff-list article {
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .quality-diff-list small,
  .quality-diff-list em {
    grid-column: 2;
  }

  .quality-preview-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .quality-preview-footer > div {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .quality-preview-loading span {
    animation-duration: 1.5s;
  }
}