:root {
  --module-bg: linear-gradient(180deg, #f3f7fb 0%, #e8eef8 100%);
  --module-panel: rgba(255, 255, 255, 0.92);
  --module-border: rgba(20, 50, 95, 0.14);
  --module-text: #14325f;
  --module-muted: #597294;
  --module-accent: #1f6fd6;
  --module-ok: #1c8a57;
  --module-fail: #c0392b;
  --module-idle: #7d8da3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--module-text);
  background:
    radial-gradient(circle at top left, rgba(145, 191, 63, 0.24), transparent 26%),
    radial-gradient(circle at top right, rgba(31, 111, 214, 0.16), transparent 30%),
    var(--module-bg);
}

.module-tests-page {
  max-width: 1320px;
  margin: 0 auto;
  padding: 76px 20px 32px;
}

.module-tests-hero,
.panel,
.module-tests-sidebar {
  border: 1px solid var(--module-border);
  border-radius: 22px;
  background: var(--module-panel);
  box-shadow: 0 18px 40px rgba(10, 32, 67, 0.08);
  backdrop-filter: blur(8px);
}

.module-tests-hero {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-end;
  padding: 24px;
  margin-bottom: 20px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--module-accent);
  font-weight: 700;
}

.module-tests-hero h1,
.panel h2,
.module-tests-sidebar h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.intro,
.panel-lead,
.module-tests-sidebar p,
.module-card__meta,
.result-card__message {
  color: var(--module-muted);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.btn--primary {
  background: linear-gradient(135deg, #194b91, var(--module-accent));
  color: #fff;
}

.btn--ghost {
  background: #eef4fb;
  color: var(--module-text);
  border: 1px solid rgba(20, 50, 95, 0.1);
}

.module-tests-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.8fr);
  gap: 20px;
}

.module-tests-main {
  display: grid;
  gap: 20px;
}

.panel,
.module-tests-sidebar {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  font-weight: 700;
}

.status-badge--idle {
  background: rgba(125, 141, 163, 0.12);
  color: var(--module-idle);
}

.status-badge--ok {
  background: rgba(28, 138, 87, 0.12);
  color: var(--module-ok);
}

.status-badge--fail {
  background: rgba(192, 57, 43, 0.12);
  color: var(--module-fail);
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.summary-stat {
  padding: 14px;
  border-radius: 16px;
  background: #f6f9fd;
  border: 1px solid rgba(20, 50, 95, 0.08);
}

.summary-stat strong {
  display: block;
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.test-results,
.module-list {
  display: grid;
  gap: 14px;
}

.failure-summary {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(192, 57, 43, 0.28);
  border-left: 6px solid var(--module-fail);
  border-radius: 16px;
  background: rgba(192, 57, 43, 0.08);
}

.failure-summary__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--module-fail);
}

.failure-summary ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
}

.failure-summary li {
  line-height: 1.45;
}

.failure-summary li span {
  display: block;
  color: var(--module-text);
}

.empty-state {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: 16px;
  background: #f7f9fc;
  border: 1px dashed rgba(20, 50, 95, 0.2);
}

.result-card,
.module-card {
  border-radius: 18px;
  border: 1px solid rgba(20, 50, 95, 0.1);
  background: #fff;
  padding: 18px;
}

.result-card {
  border-left: 6px solid var(--module-idle);
}

.result-card--passed {
  border-left-color: var(--module-ok);
}

.result-card--failed {
  border-left-color: var(--module-fail);
}

.result-card__head,
.module-card__head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.result-chip,
.module-card__state {
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.82rem;
  font-weight: 700;
}

.result-chip--passed,
.module-card__state--passed {
  background: rgba(28, 138, 87, 0.12);
  color: var(--module-ok);
}

.result-chip--failed,
.module-card__state--failed {
  background: rgba(192, 57, 43, 0.12);
  color: var(--module-fail);
}

.result-chip--idle,
.module-card__state--idle {
  background: rgba(125, 141, 163, 0.12);
  color: var(--module-idle);
}

.module-card {
  display: grid;
  gap: 14px;
}

.module-card.is-selected {
  border-color: rgba(31, 111, 214, 0.32);
  box-shadow: 0 12px 30px rgba(31, 111, 214, 0.12);
}

.module-card__actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.module-card__actions .btn {
  padding: 10px 14px;
}

.module-card__tag {
  display: inline-flex;
  width: fit-content;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--module-accent);
  background: rgba(31, 111, 214, 0.1);
}

.result-card pre {
  margin: 0;
  padding: 12px;
  overflow: auto;
  border-radius: 12px;
  background: #f4f7fb;
  font-size: 0.85rem;
  color: #24426d;
}

.test-sandbox {
  min-height: 220px;
  padding: 18px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(239, 245, 252, 0.95));
  border: 1px dashed rgba(20, 50, 95, 0.2);
}

.test-sandbox--frame {
  padding: 0;
  overflow: hidden;
}

.module-tests-preview-frame {
  display: block;
  width: 100%;
  min-height: 720px;
  border: 0;
  background: #fff;
}

.booking-preview-container {
  display: grid;
  gap: 14px;
}

.booking-preview-container .card {
  max-width: 420px;
}

@media (max-width: 980px) {
  .module-tests-layout {
    grid-template-columns: 1fr;
  }

  .module-tests-sidebar {
    order: -1;
  }

  .module-tests-hero,
  .panel-head,
  .module-card__actions {
    align-items: stretch;
    flex-direction: column;
  }
}