*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Arial', sans-serif;
  font-weight: 200;
  background: #fff;
  color: #1a1a1a;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

body {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px;
}

.card {
  width: 100%;
  max-width: 1200px;
  height: calc(100vh - 40px);
  background: #f5f5f5;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px 32px 0;
}

.header .title {
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.header .logo {
  opacity: 0.85;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: row;
  padding: 24px 32px 32px;
  gap: 64px;
  overflow: hidden;
  align-items: center;
  justify-content: center;
}

.info-col {
  flex: 0 1 auto;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: 100%;
}

.live-col {
  flex: 0 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.status {
  font-size: 0.78rem;
  font-weight: 300;
  color: #999;
  margin-bottom: 20px;
}

.status.ok { color: #2a7a2a; }
.status.err { color: #d32f2f; }

.info-grid {
  flex: 1;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid #e8e8e6;
}

.info-label {
  font-size: 0.72rem;
  font-weight: 400;
  color: #888;
  flex-shrink: 0;
  margin-right: 16px;
}

.info-value {
  font-size: 0.78rem;
  font-weight: 300;
  color: #1a1a1a;
  text-align: right;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.info-value.dim { color: #ccc; }

.actions {
  padding-top: 20px;
  display: flex;
  justify-content: center;
}

.btn {
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 400;
  padding: 10px 32px;
  border: 1.5px solid #1a1a1a;
  border-radius: 8px;
  background: #f0f0ee;
  color: #1a1a1a;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn:hover:not(:disabled) {
  background: #1a1a1a;
  color: #f0f0ee;
}

.btn:disabled {
  border-color: #ccc;
  color: #ccc;
  cursor: default;
}

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

.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid #999;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  left: 50%;
  top: 50%;
  margin: -7px 0 0 -7px;
}

/* ─── Live monitor ─────────────────────────────────────── */

.live-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.live-header {
  margin-bottom: 12px;
}

.live-title {
  font-size: 0.72rem;
  font-weight: 400;
  color: #888;
}

.live-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.live-device {
  width: 100%;
  max-width: 380px;
}

.sp1-live-svg {
  width: 100%;
  height: auto;
}

.live-readout {
  display: flex;
  gap: 20px;
}

.ladder-val {
  font-size: 0.72rem;
  font-weight: 300;
  color: #666;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 600px) {
  body { padding: 10px; }
  .card { width: 100%; height: calc(100vh - 20px); border-radius: 14px; }
  .header, .content { padding-left: 20px; padding-right: 20px; }
}