:root {
  --mt-bg: #f8fafc;
  --mt-panel: #ffffff;
  --mt-text: #0f172a;
  --mt-muted: #475569;
  --mt-border: #dbe3ef;
  --mt-border-strong: #94a3b8;
  --mt-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.mt-shell {
  font-family: "Space Grotesk", sans-serif;
  color: var(--mt-text);
  max-width: 1200px;
  margin: 20px auto;
  padding: 26px;
  border-radius: 14px;
  border: 1px solid var(--mt-border);
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 45%, #eef2ff 100%);
  box-shadow: var(--mt-shadow);
}

.mt-head {
  margin-bottom: 16px;
}

.mt-kicker {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #334155;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
}

.mt-title {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 50px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.mt-subtitle {
  margin: 10px 0 0;
  color: var(--mt-muted);
  font-size: 15px;
}

.mt-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) repeat(2, auto);
  gap: 10px;
  align-items: end;
  margin-bottom: 10px;
}

.mt-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mt-field label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "JetBrains Mono", monospace;
  color: var(--mt-muted);
}

.mt-field select {
  width: 100%;
  border: 1px solid var(--mt-border);
  background: var(--mt-panel);
  color: var(--mt-text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
}

.mt-btn {
  border: 1px solid var(--mt-border);
  background: var(--mt-panel);
  color: var(--mt-text);
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  transition: transform 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease;
}

.mt-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--mt-border-strong);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.mt-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.mt-btn-primary {
  background: #0f172a;
  color: #f8fafc;
  border-color: #0f172a;
}

.mt-btn .material-symbols-outlined {
  font-size: 20px;
  line-height: 1;
  font-variation-settings:
    "FILL" 1,
    "wght" 500,
    "GRAD" 0,
    "opsz" 24;
}

.mt-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 10px;
}

.mt-panel {
  border: 1px solid var(--mt-border);
  border-radius: 10px;
  background: var(--mt-panel);
  padding: 12px;
}

.mt-panel h3 {
  margin: 0 0 10px;
  font-size: 14px;
  font-family: "JetBrains Mono", monospace;
}

.mt-kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 7px 10px;
}

.mt-kv span {
  font-size: 12px;
  color: var(--mt-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: "JetBrains Mono", monospace;
}

.mt-kv strong {
  font-size: 13px;
  color: var(--mt-text);
  overflow-wrap: anywhere;
}

.mt-meter {
  height: 22px;
  border-radius: 999px;
  overflow: hidden;
  background: #eef2ff;
  border: 1px solid var(--mt-border);
  margin-top: 10px;
}

.mt-meter-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #22c55e, #f59e0b, #ef4444);
}

.mt-meter-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 11px;
  color: var(--mt-muted);
}

.mt-inline-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.mt-badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--mt-border);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--mt-muted);
  background: #f8fafc;
}

.mt-badge-good {
  color: #0f766e;
  border-color: rgba(15, 118, 110, 0.35);
  background: rgba(20, 184, 166, 0.08);
}

.mt-badge-warn {
  color: #b45309;
  border-color: rgba(180, 83, 9, 0.35);
  background: rgba(245, 158, 11, 0.1);
}

.mt-badge-bad {
  color: #b91c1c;
  border-color: rgba(185, 28, 28, 0.35);
  background: rgba(239, 68, 68, 0.12);
}

#mtScope {
  width: 100%;
  height: 180px;
  display: block;
  border: 1px solid var(--mt-border);
  border-radius: 8px;
  background: #eef2ff;
}

.mt-tip {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--mt-muted);
}

.mt-recording {
  margin-top: 10px;
}

.mt-diagnostics {
  margin-top: 10px;
}

.mt-diagnostics-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

#mtDownloadReportBtn {
  border: 1px solid var(--mt-border-strong);
  border-radius: 8px;
  background: #f8fafc;
  color: var(--mt-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  padding: 8px 10px;
  cursor: pointer;
}

#mtDownloadReportBtn:hover {
  border-color: #64748b;
}

.mt-toolbar-recording {
  grid-template-columns: auto minmax(220px, 1fr);
  align-items: center;
  margin-bottom: 10px;
}

#mtRecordingStatus {
  font-size: 13px;
  color: var(--mt-text);
  margin: 0;
  line-height: 1.2;
}

#mtPlayback {
  width: 100%;
}

#mtDownloadLink {
  display: inline-block;
  margin-top: 8px;
  color: #3730a3;
  font-size: 13px;
  text-decoration: none;
  font-weight: 700;
}

#mtDownloadLink:hover {
  text-decoration: underline;
}

@media (max-width: 1100px) {
  .mt-toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .mt-field-device {
    grid-column: 1 / -1;
  }

  .mt-grid {
    grid-template-columns: 1fr;
  }

  .mt-toolbar-recording {
    grid-template-columns: 1fr 1fr;
  }

  #mtRecordingStatus {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .mt-shell {
    margin: 12px auto;
    padding: 16px;
  }

  .mt-toolbar {
    grid-template-columns: 1fr;
  }

  .mt-toolbar-recording {
    grid-template-columns: 1fr;
  }

  .mt-kv {
    grid-template-columns: 120px 1fr;
  }

  .mt-diagnostics-head {
    flex-direction: column;
    align-items: flex-start;
  }

  #mtDownloadReportBtn {
    width: 100%;
  }
}