* {
  box-sizing: border-box;
}

:root {
  --bg: #0f172a;
  --muted: #94a3b8;
  --border: #1e293b;
  --text: #e2e8f0;
  --accent: #22c55e;
  --accent-strong: #16a34a;
  --error: #ef4444;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(circle at 20% 20%, #111827, #0b1120 60%);
  color: var(--text);
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.page-header h1 {
  margin: 4px 0 6px;
  font-size: 32px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}

.lede {
  color: #cbd5e1;
  max-width: 720px;
}

.panel {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 18px 12px;
  margin: 18px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.panel-header h2 {
  margin: 0;
  font-size: 20px;
}

.panel-header p {
  margin: 0;
  color: var(--muted);
}

.status-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.status-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text);
}

.status-pill.status-success {
  background: rgba(34, 197, 94, 0.2);
  border-color: #14532d;
  color: #bef264;
}

.status-pill.status-error {
  background: rgba(239, 68, 68, 0.16);
  border-color: #b91c1c;
  color: #fecdd3;
}

.status-pill.status-idle {
  background: rgba(255, 255, 255, 0.04);
}

.stat {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

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

.readonly .value-box {
  background: #0f172a;
  border: 1px dashed var(--border);
  padding: 8px 10px;
  border-radius: 8px;
  min-height: 36px;
  display: flex;
  align-items: center;
}

.upload {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  border: 1px dashed var(--border);
  padding: 12px;
  border-radius: 10px;
  color: var(--text);
}

.upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload span {
  font-weight: 600;
}

.upload small {
  color: var(--muted);
}

button {
  border: none;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  color: #0b0f1a;
  transition: transform 0.05s ease, box-shadow 0.15s ease, background 0.2s ease;
}

button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #041206;
  box-shadow: 0 8px 24px rgba(22, 163, 74, 0.35);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

button:not(:disabled):active {
  transform: translateY(1px);
}

input[type="text"] {
  background: #0f172a;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  width: 100%;
}

.single-check {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.single-check button {
  flex-shrink: 0;
}

textarea {
  width: 100%;
  margin-top: 10px;
  background: #0f172a;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px;
  border-radius: 12px;
  font-size: 14px;
  min-height: 200px;
}

.trainer-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hint-inline {
  color: var(--muted);
}

.results-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}

.result-item .label {
  color: var(--muted);
}

.badge {
  padding: 4px 8px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
}

.badge.pass {
  background: rgba(34, 197, 94, 0.2);
  color: #bbf7d0;
  border: 1px solid #14532d;
}

.badge.fail {
  background: rgba(239, 68, 68, 0.16);
  color: #fecdd3;
  border: 1px solid #b91c1c;
}

.log-container {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  max-height: 240px;
  overflow: auto;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color: #cbd5e1;
}

.log-entry {
  display: grid;
  grid-template-columns: 150px 180px 1fr;
  gap: 8px;
  padding: 6px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.log-entry:last-child {
  border-bottom: none;
}

.log-event {
  font-weight: 600;
}

.log-data {
  color: #cbd5e1;
  word-break: break-word;
}

.log-entry.level-error .log-event {
  color: #fca5a5;
}

.status-message {
  color: var(--muted);
  margin-top: 8px;
}

@media (max-width: 720px) {
  .log-entry {
    grid-template-columns: 1fr;
  }
}