:root {
  --ec-bg: #f3f6f9;
  --ec-card: #fff;
  --ec-text: #18202a;
  --ec-muted: #667085;
  --ec-border: #d9e0e7;
  --ec-primary: #1268c4;
  --ec-primary-dark: #0b4f98;
  --ec-ok: #147a3d;
  --ec-bad: #b42318;
  --ec-warn: #9a6700;
}
.ec-app {
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    Arial,
    sans-serif;
  color: var(--ec-text);
  background: var(--ec-bg);
  padding: 20px;
  border-radius: 16px;
  box-sizing: border-box;
}
.ec-app * {
  box-sizing: border-box;
}
.ec-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 20px;
}
.ec-header h1 {
  margin: 0 0 4px;
  font-size: 30px;
}
.ec-header p {
  margin: 0;
  color: var(--ec-muted);
}
.ec-search-wrap {
  min-width: 280px;
  font-weight: 600;
}
.ec-search-wrap span {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
}
.ec-search-wrap input,
.ec-card input,
.ec-card select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--ec-border);
  border-radius: 9px;
  padding: 9px 11px;
  background: #fff;
  color: var(--ec-text);
  font-size: 15px;
}
.ec-search-wrap input:focus,
.ec-card input:focus,
.ec-card select:focus {
  outline: 3px solid rgba(18, 104, 196, 0.15);
  border-color: var(--ec-primary);
}
.ec-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 20px;
}
.ec-sidebar {
  position: sticky;
  top: 12px;
  align-self: start;
  background: var(--ec-card);
  border: 1px solid var(--ec-border);
  border-radius: 12px;
  padding: 10px;
}
.ec-category {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 11px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 650;
  color: var(--ec-text);
}
.ec-category:hover,
.ec-category.active {
  background: #eaf3fd;
  color: var(--ec-primary-dark);
}
.ec-main {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}
.ec-card {
  background: var(--ec-card);
  border: 1px solid var(--ec-border);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.04);
}
.ec-card h2 {
  margin: 0 0 6px;
  font-size: 20px;
}
.ec-description,
.ec-note {
  color: var(--ec-muted);
  font-size: 14px;
}
.ec-grid {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.ec-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.ec-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.ec-card label {
  font-size: 13px;
  font-weight: 650;
}
.ec-card label input,
.ec-card label select {
  margin-top: 6px;
  font-weight: 400;
}
.ec-actions {
  display: flex;
  gap: 8px;
  margin-top: 15px;
}
.ec-actions button {
  border: 0;
  border-radius: 9px;
  padding: 10px 15px;
  background: var(--ec-primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.ec-actions button:hover {
  background: var(--ec-primary-dark);
}
.ec-actions button.secondary {
  background: #eef2f6;
  color: var(--ec-text);
}
.ec-result {
  margin-top: 14px;
  border-radius: 10px;
  padding: 0;
  min-height: 0;
}
.ec-result:not(:empty) {
  padding: 13px 14px;
  background: #f7f9fb;
  border: 1px solid var(--ec-border);
}
.ec-result.ok {
  background: #ecfdf3;
  border-color: #abefc6;
  color: var(--ec-ok);
}
.ec-result.bad {
  background: #fef3f2;
  border-color: #fecdca;
  color: var(--ec-bad);
}
.ec-result.warn {
  background: #fffaeb;
  border-color: #fedf89;
  color: var(--ec-warn);
}
.ec-result strong {
  font-size: 17px;
}
.ec-result .details {
  margin-top: 6px;
  color: inherit;
  line-height: 1.55;
}
.ec-empty {
  grid-column: 1/-1;
  background: #fff;
  border: 1px dashed var(--ec-border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  color: var(--ec-muted);
}
@media (max-width: 1050px) {
  .ec-main {
    grid-template-columns: 1fr;
  }
  .ec-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 760px) {
  .ec-app {
    padding: 12px;
  }
  .ec-header {
    display: block;
  }
  .ec-search-wrap {
    display: block;
    min-width: 0;
    margin-top: 14px;
  }
  .ec-layout {
    grid-template-columns: 1fr;
  }
  .ec-sidebar {
    position: static;
    display: flex;
    overflow-x: auto;
    gap: 6px;
  }
  .ec-category {
    white-space: nowrap;
    width: auto;
  }
  .ec-grid-2,
  .ec-grid-3 {
    grid-template-columns: 1fr;
  }
  .ec-card {
    padding: 15px;
  }
}