:root {
  --bg-a: #f4f8ff;
  --bg-b: #e9fff8;
  --card: #ffffff;
  --text: #14233b;
  --muted: #4d5d78;
  --accent: #0d62ff;
  --ok: #067a46;
  --warn: #b84f00;
  --err: #b00020;
  --border: #dbe5f2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", "Noto Sans", sans-serif;
  background:
    radial-gradient(circle at 20% 10%, var(--bg-a), transparent 45%),
    radial-gradient(circle at 80% 0%, var(--bg-b), transparent 40%),
    #f7fbff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: 100%;
  flex: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px;
}

.site-footer {
  width: 100%;
  border-top: 1px solid rgba(148, 168, 199, 0.28);
  background: rgba(7, 18, 39, 0.55);
  backdrop-filter: blur(4px);
}

.site-footer__inner {
  max-width: 1080px;
  margin: 0 auto;
  min-height: 44px;
  padding: 10px 16px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
}

.site-footer__metrics {
  min-height: 20px;
}

.site-footer__copyright {
  text-align: center;
  font-size: 0.88rem;
  color: rgba(226, 235, 250, 0.9);
}

.site-footer__spacer {
  min-height: 20px;
}

.topbar {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  background: #ffffffdd;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  backdrop-filter: blur(6px);
}

.brand {
  font-weight: 700;
  color: #133767;
}

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  color: #18406f;
  background: #edf3ff;
  border: 1px solid #cfddf6;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.9rem;
}

label {
  display: block;
  font-size: 0.88rem;
  margin: 8px 0 4px;
  color: var(--muted);
}

input,
textarea,
select,
button {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #c9d7ea;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

button {
  background: var(--accent);
  color: #fff;
  border: 0;
  cursor: pointer;
  font-weight: 600;
  margin-top: 10px;
}

button.secondary {
  background: #e7efff;
  color: #163764;
  border: 1px solid #c7d8ff;
}

.row-2 {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
}

.result {
  margin-top: 10px;
  background: #f8fbff;
  border: 1px solid #d9e6fb;
  border-radius: 10px;
  padding: 10px;
  white-space: pre-wrap;
  font-size: 0.9rem;
}

.result-card {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fbfdff;
  overflow: hidden;
}

.result-card__head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid #e7eef8;
  background: #f4f8ff;
}

.result-card__icon {
  min-width: 34px;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
  padding: 0;
  border-radius: 50%;
  border: 1px solid #ccd9ee;
  background: #eef4ff;
  color: #1c3f73;
}

.result-card__icon--idle {
  font-size: 0.75rem;
}

.result-card__title {
  font-weight: 700;
  color: #173969;
  font-size: 0.92rem;
}

.result-card__actions {
  margin-left: auto;
  display: inline-flex;
  gap: 6px;
}

.result-card__action {
  width: auto;
  margin: 0;
  padding: 5px 8px;
  border-radius: 8px;
  border: 1px solid #cbdcf6;
  background: #eef5ff;
  color: #173969;
  font-size: 0.82rem;
  font-weight: 600;
}

.result-card__action:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.result-card__body {
  padding: 10px;
  color: #263852;
  white-space: pre-wrap;
}

.result-card__text {
  min-height: 10lh;
  background: rgba(246, 250, 255, 0.94);
  border: 1px solid #d5e4fb;
  color: #1f324e;
  resize: vertical;
}

.result-card__text::placeholder {
  color: #6f84a8;
}

.result-card--ok .result-card__icon {
  background: #e8f8ef;
  color: #0d6e43;
  border-color: #b8e5cb;
}

.result-card--warn .result-card__icon {
  background: #fff4e8;
  color: #9d4a04;
  border-color: #f3d4b4;
}

.result-card--err .result-card__icon {
  background: #ffecef;
  color: #a2162f;
  border-color: #f3c2cc;
}

.result-card--loading .result-card__icon {
  background: #eaf2ff;
  color: #114a9d;
  border-color: #bfd6fa;
}

.result-loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.result-spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #9fc0f2;
  border-top-color: #1e63ca;
  animation: spin 0.8s linear infinite;
}

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

.ok {
  color: var(--ok);
}

.warn {
  color: var(--warn);
}

.err {
  color: var(--err);
}

@media (min-width: 900px) {
  .row-2 {
    grid-template-columns: 1fr 1fr;
  }
}