:root {
  --bg: #09121e;
  --bg-soft: #101d2d;
  --panel: rgba(14, 24, 39, 0.88);
  --panel-strong: #11243b;
  --line: rgba(150, 177, 209, 0.18);
  --text: #edf4ff;
  --muted: #a7bad7;
  --accent: #5fd1ff;
  --accent-2: #73f0b8;
  --warn: #ffcb66;
  --fail: #ff7c7c;
  --unknown: #8ea3c1;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --radius-sm: 14px;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(95, 209, 255, 0.18), transparent 30%),
    radial-gradient(circle at right 20%, rgba(115, 240, 184, 0.12), transparent 26%),
    linear-gradient(180deg, #071018 0%, #09121e 40%, #0b1725 100%);
}

.shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: 36px 20px 56px;
}

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

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.hero-copy {
  max-width: 780px;
  color: var(--muted);
  line-height: 1.6;
}

.hero-badge {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(95, 209, 255, 0.16), rgba(255, 255, 255, 0.04));
  text-align: right;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.upload-panel {
  padding: 24px;
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.config-row-critical td {
  background: rgba(255, 124, 124, 0.08);
}

.config-row-warning td {
  background: rgba(255, 203, 102, 0.08);
}

.config-row-review td {
  background: rgba(95, 209, 255, 0.06);
}

.dropzone {
  border: 2px dashed rgba(95, 209, 255, 0.45);
  border-radius: var(--radius);
  padding: 38px 22px;
  text-align: center;
  background: linear-gradient(180deg, rgba(95, 209, 255, 0.08), rgba(255, 255, 255, 0.02));
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.dropzone.dragging {
  transform: translateY(-2px);
  border-color: var(--accent-2);
  background: linear-gradient(180deg, rgba(115, 240, 184, 0.12), rgba(255, 255, 255, 0.04));
}

.dropzone h2 {
  margin-top: 0;
  font-size: 1.6rem;
}

.dropzone p {
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 18px;
}

button,
.button-link {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

button:hover,
.button-link:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(90deg, var(--accent), #77c3ff);
  color: #02111c;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid var(--line);
}

.button-link {
  text-decoration: none;
}

.button-danger {
  background: rgba(255, 124, 124, 0.12);
  color: #ffd3d3;
  border: 1px solid rgba(255, 124, 124, 0.3);
}

.meta-grid,
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
}

.meta-grid {
  margin-top: 22px;
}

.card {
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.card .label {
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 8px;
}

.card .value {
  font-size: 1.02rem;
  font-weight: 600;
  word-break: break-word;
}

.analysis-panel {
  margin-top: 24px;
  display: grid;
  gap: 18px;
}

.filter-panel {
  padding: 18px;
}

.filter-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.filter-header h2 {
  margin: 0 0 8px;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.filter-field {
  display: grid;
  gap: 8px;
}

.filter-label {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.filter-control {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}

select.filter-control {
  color: #000000;
  background: #ffffff;
}

select.filter-control option {
  color: #000000;
  background: #ffffff;
}

.filter-control::placeholder {
  color: #8fa5c4;
}

.filter-footer {
  margin-top: 14px;
}

.comparison-panel {
  padding: 18px;
}

.comparison-header h2 {
  margin: 0 0 8px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.comparison-card {
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.comparison-card h3 {
  margin: 0 0 6px;
}

.health-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 14px;
}

.comparison-row {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.comparison-issues {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.comparison-issue {
  display: grid;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.comparison-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.comparison-value {
  color: var(--text);
  line-height: 1.45;
}

.summary-grid .card {
  min-height: 120px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ok { background: rgba(115, 240, 184, 0.14); color: #b4ffd9; }
.warning { background: rgba(255, 203, 102, 0.14); color: #ffe19e; }
.failed { background: rgba(255, 124, 124, 0.14); color: #ffd4d4; }
.unknown { background: rgba(142, 163, 193, 0.14); color: #d0d9eb; }

.peer-list {
  display: grid;
  gap: 14px;
}

.peer-card {
  padding: 18px;
}

.issue-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.issue-section-title {
  margin: 0 0 12px;
  font-size: 0.96rem;
}

.issue-list {
  display: grid;
  gap: 10px;
}

.issue-card {
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
}

.issue-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.issue-detail {
  margin: 0;
  color: var(--text);
  line-height: 1.55;
}

.peer-card h3,
.tab-panel h3 {
  margin-top: 0;
}

.tab-shell {
  overflow: hidden;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 16px 0;
}

.tab-button {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
}

.tab-button.active {
  background: rgba(95, 209, 255, 0.12);
  color: var(--text);
  border-color: rgba(95, 209, 255, 0.28);
}

.tab-panel {
  padding: 16px;
}

.report-box {
  white-space: pre-wrap;
  font-family: Consolas, "Courier New", monospace;
  background: rgba(0, 0, 0, 0.22);
  border-radius: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  max-height: 620px;
  overflow: auto;
}

.endpoint-panel {
  display: grid;
  gap: 18px;
}

.endpoint-intro {
  padding: 18px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.findings-list {
  display: grid;
  gap: 12px;
}

.finding {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.finding pre {
  margin: 10px 0 0;
  padding: 12px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  color: #cfe3ff;
  overflow: auto;
}

.error-banner {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 124, 124, 0.16);
  border: 1px solid rgba(255, 124, 124, 0.32);
  color: #ffd9d9;
}

.subtle {
  color: var(--muted);
}

.loading {
  margin-top: 18px;
  color: var(--accent-2);
  font-weight: 600;
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
  }

  .hero-badge {
    text-align: left;
  }

  .filter-header {
    flex-direction: column;
  }
}

.main-menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.menu-card {
  border-radius: 18px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

.menu-card.active {
  border-color: rgba(95, 209, 255, 0.4);
  background: linear-gradient(180deg, rgba(95, 209, 255, 0.12), rgba(255, 255, 255, 0.04));
}

.menu-card h2,
.simulator-intro h2,
.sim-artifact-panel h3 {
  margin: 0;
}

.simulator-panel {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.simulator-intro {
  margin-bottom: 18px;
}

.sim-grid {
  display: grid;
  grid-template-columns: minmax(320px, 520px) minmax(320px, 1fr);
  gap: 18px;
}

.sim-form,
.sim-artifact-panel {
  padding: 18px;
}

.sim-form {
  display: grid;
  gap: 14px;
  align-content: start;
}

.sim-field {
  display: grid;
  gap: 8px;
}

.sim-textarea {
  min-height: 110px;
  resize: vertical;
}

.sim-output-stack {
  display: grid;
  gap: 18px;
}

.sim-summary-card {
  min-height: auto;
}

.sim-actions {
  justify-content: flex-start;
}

.sim-report-box {
  max-height: 360px;
  margin: 0;
}

@media (max-width: 1080px) {
  .sim-grid {
    grid-template-columns: 1fr;
  }
}