/* ── API Latency Tester ─────────────────────────────────────────────── */
.tool-icon--latency { background: linear-gradient(135deg, var(--cyan), var(--accent)); }

.lat-form .form-row { display: flex; gap: 10px; }
.lat-form .input-wrap--url { flex: 1; }
.lat-form .input {
  width: 100%; height: 44px; padding: 12px 16px;
  background: var(--surface2); border: 1px solid var(--border2);
  border-radius: var(--radius-md); color: var(--text);
  font-size: var(--fs-base); font-family: var(--mono);
  transition: border-color .2s, box-shadow .2s;
}
.lat-form .input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow-30);
}

.lat-examples {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px;
  justify-content: center;
}
.lat-example {
  font-size: var(--fs-xs); color: var(--muted2);
  background: var(--surface2); border: 1px solid var(--border);
  padding: 4px 10px; border-radius: var(--radius-sm);
  text-decoration: none; transition: color .2s, border-color .2s;
  font-family: var(--mono);
}
.lat-example:hover { color: var(--accent); border-color: var(--accent-glow-25); }

.lat-error { color: var(--red); font-size: var(--fs-14); margin-top: 16px; animation: fadeInUp .3s var(--ease-out); }

/* Loading */
.lat-loading {
  text-align: center; padding: 40px 20px; color: var(--muted2);
  font-size: var(--fs-sm); animation: fadeInUp .3s var(--ease-out);
}
.lat-loading .spinner { margin: 0 auto 12px; width: 32px; height: 32px; }

/* Regions grid */
.lat-regions {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 16px; animation: fadeInUp .4s var(--ease-out);
}

.lat-region {
  padding: 20px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  text-align: center; position: relative;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 var(--border0);
  transition: border-color .2s, transform .15s;
}
.lat-region:hover { border-color: var(--accent-glow-25); transform: translateY(-2px); }

.lat-region--fastest { border-color: var(--green); }
.lat-region--slowest { border-color: var(--yellow); }

.lat-region__flag { font-size: 28px; margin-bottom: 6px; }
.lat-region__name { font-size: var(--fs-sm); color: var(--muted2); margin-bottom: 8px; font-weight: 500; }
.lat-region__time {
  font-size: 32px; font-weight: 700; font-family: var(--mono);
  color: var(--text); line-height: 1.2;
}
.lat-region__time--good { color: var(--green); }
.lat-region__time--ok { color: var(--yellow); }
.lat-region__time--slow { color: var(--red); }

.lat-region__status {
  display: inline-block; margin-top: 8px; padding: 2px 10px;
  border-radius: var(--radius-sm); font-size: var(--fs-xs); font-weight: 600;
  font-family: var(--mono);
}
.lat-region__status--up { background: rgba(52,211,153,.15); color: var(--green); }
.lat-region__status--down { background: rgba(248,113,113,.15); color: var(--red); }

.lat-region__badge {
  position: absolute; top: 10px; right: 10px;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  padding: 2px 8px; border-radius: var(--radius-sm);
  letter-spacing: .5px;
}
.lat-region__badge--fastest { background: rgba(52,211,153,.15); color: var(--green); }
.lat-region__badge--slowest { background: rgba(251,191,36,.15); color: var(--yellow); }

.lat-region__error {
  font-size: var(--fs-xs); color: var(--red); margin-top: 6px;
  word-break: break-word;
}

/* Detailed timings (ru-msk only) */
.lat-details {
  margin-top: 16px; animation: fadeInUp .5s var(--ease-out);
}
.lat-details .card {
  padding: 20px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
}
.lat-details__title {
  font-size: var(--fs-sm); font-weight: 600; color: var(--text);
  margin-bottom: 16px;
}

.lat-detail-row {
  display: flex; align-items: center; gap: 12px;
  padding: 6px 0;
}
.lat-detail-row + .lat-detail-row { border-top: 1px solid var(--border); }

.lat-detail__label {
  width: 90px; font-size: var(--fs-xs); color: var(--muted2);
  font-weight: 500; text-transform: uppercase; letter-spacing: .5px; flex-shrink: 0;
}
.lat-detail__bar {
  flex: 1; height: 20px; background: var(--surface2);
  border-radius: var(--radius-sm); overflow: hidden; position: relative;
}
.lat-detail__fill {
  height: 100%; border-radius: var(--radius-sm);
  min-width: 2px; transition: width .5s var(--ease-out);
}
.lat-detail__fill--dns { background: var(--cyan); }
.lat-detail__fill--connect { background: var(--accent); }
.lat-detail__fill--ssl { background: var(--accent2); }
.lat-detail__fill--ttfb { background: var(--yellow); }
.lat-detail__fill--download { background: var(--green); }

.lat-detail__value {
  width: 70px; text-align: right; font-size: var(--fs-sm);
  font-family: var(--mono); font-weight: 600; color: var(--text);
  flex-shrink: 0;
}

/* Summary */
.lat-summary {
  display: flex; justify-content: center; gap: 24px;
  margin-top: 16px; padding: 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  animation: fadeInUp .5s var(--ease-out);
}
.lat-summary__item { text-align: center; }
.lat-summary__label { font-size: var(--fs-xs); color: var(--muted2); text-transform: uppercase; letter-spacing: .5px; }
.lat-summary__value {
  font-size: 20px; font-weight: 700; font-family: var(--mono);
  margin-top: 2px;
}
.lat-summary__value--fastest { color: var(--green); }
.lat-summary__value--slowest { color: var(--yellow); }
.lat-summary__value--avg { color: var(--accent); }

/* Responsive */
@media (max-width: 768px) {
  .lat-regions { grid-template-columns: 1fr; }
  .lat-form .form-row { flex-direction: column; }
  .lat-summary { flex-direction: column; gap: 12px; }
  .lat-detail__label { width: 70px; font-size: 10px; }
  .lat-detail__value { width: 60px; font-size: var(--fs-xs); }
}