.wfas-lab-app {
  background-color: #0a0a0a;
  border: 1px solid #222;
  border-radius: 8px;
  max-width: 860px;
  margin: 0 auto;
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  color: #f8f9fa;
  box-shadow: 0 16px 32px rgba(0,0,0,0.5);
}

.wfas-lab-tabs {
  display: flex;
  border-bottom: 1px solid #222;
  overflow-x: auto;
}

.wfas-lab-tab {
  background: none;
  border: none;
  color: #888;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.wfas-lab-tab:hover { color: #ccc; }

.wfas-lab-tab.active {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
}

.wfas-lab-panel { display: none; padding: 1.5rem; }
.wfas-lab-panel.active { display: block; }

.wfas-lab-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
}

.wfas-lab-app input[type="text"],
.wfas-lab-app input[type="password"],
.wfas-lab-app textarea {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  color: #f8f9fa;
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.6rem 0.75rem;
  flex: 1;
  min-width: 180px;
}

.wfas-lab-app textarea { width: 100%; min-height: 70px; resize: vertical; }

.wfas-lab-app button {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.wfas-lab-app button:hover { background: color-mix(in srgb, var(--accent-color) 12%, transparent); }
.wfas-lab-app button:disabled { opacity: 0.4; cursor: default; }

.wfas-lab-app label {
  font-size: 0.8rem;
  color: #aaa;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.wfas-lab-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 1rem 0;
}

.wfas-lab-byte {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 4px;
  padding: 0.4rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 44px;
}

.wfas-lab-byte-val { font-size: 0.85rem; color: var(--accent-color); }
.wfas-lab-byte-lbl { font-size: 0.6rem; color: #777; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }
.wfas-lab-byte-payload { border-color: var(--accent-color); }

.wfas-lab-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.6rem; margin-top: 0.5rem; }
.wfas-lab-fields div { background: #141414; border-radius: 6px; padding: 0.5rem 0.7rem; }
.wfas-lab-fields span { display: block; font-size: 0.65rem; color: #777; text-transform: uppercase; letter-spacing: 0.5px; }
.wfas-lab-fields b { font-size: 0.85rem; color: #f8f9fa; font-weight: 600; }

.wfas-lab-status { font-size: 0.82rem; margin-top: 0.5rem; min-height: 1.2em; }
.wfas-lab-status.ok { color: var(--accent-color); }
.wfas-lab-status.warn { color: #ffb020; }
.wfas-lab-status.fail { color: #ff5f56; }

.wfas-lab-log {
  background: #141414;
  border-radius: 6px;
  padding: 1rem;
  min-height: 120px;
  max-height: 260px;
  overflow-y: auto;
  font-size: 0.8rem;
}

.wfas-lab-line { padding: 0.15rem 0; color: #ccc; word-break: break-all; }
.wfas-lab-line.ok { color: var(--accent-color); }
.wfas-lab-line.fail { color: #ff5f56; }
.wfas-lab-line.dim { color: #666; }

.wfas-lab-out { display: flex; flex-direction: column; gap: 0.4rem; margin: 1rem 0; }
.wfas-lab-out div { background: #141414; border-radius: 6px; padding: 0.5rem 0.7rem; display: flex; flex-direction: column; gap: 0.2rem; }
.wfas-lab-out span { font-size: 0.65rem; color: #777; text-transform: uppercase; letter-spacing: 0.5px; }
.wfas-lab-out code { font-size: 0.78rem; color: var(--accent-color); word-break: break-all; }

.wfas-lab-note { font-size: 0.78rem; color: #777; margin-top: 0.75rem; line-height: 1.5; }

@media (max-width: 768px) {
  .wfas-lab-app {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .wfas-lab-panel {
    padding: 1rem 0.75rem;
    max-width: 100%;
    box-sizing: border-box;
  }

  .wfas-lab-tab {
    padding: 0.75rem 0.8rem;
    font-size: 0.78rem;
    flex-shrink: 0;
  }

  .wfas-lab-row {
    gap: 0.5rem;
    max-width: 100%;
  }

  .wfas-lab-app input[type="text"],
  .wfas-lab-app input[type="password"] {
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
  }

  .wfas-lab-app button {
    max-width: 100%;
    white-space: normal;
    padding: 0.5rem 0.75rem;
    font-size: 0.78rem;
  }

  .wfas-lab-strip {
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }

  .wfas-lab-log {
    font-size: 0.75rem;
    padding: 0.75rem;
    word-break: break-all;
    overflow-x: auto;
  }
}