:root {
  --bg: #0e1016;
  --card: #161b25;
  --card-alt: #1e2533;
  --border: #2c3548;
  --text: #e7ecf7;
  --muted: #9aa8c7;
  --accent: #4f9cff;
  --accent-2: #3dd9b8;
  --danger: #ff5f78;
  --warn: #ffc96b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(circle at top, #141a26 0%, var(--bg) 50%);
  color: var(--text);
}

.app-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: linear-gradient(180deg, var(--card) 0%, #121722 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
}

h1,
h2 {
  margin: 0 0 0.5rem;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 700px;
}

.badge {
  align-self: center;
  background: rgba(61, 217, 184, 0.15);
  color: var(--accent-2);
  border: 1px solid rgba(61, 217, 184, 0.5);
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-weight: 700;
  white-space: nowrap;
}

.warning {
  color: var(--warn);
  margin-top: 0;
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

select,
textarea,
button {
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-alt);
  color: var(--text);
  font: inherit;
}

select,
textarea {
  width: 100%;
  padding: 0.65rem;
}

textarea {
  resize: vertical;
  margin-top: 0.35rem;
}

.options-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
}

.checkbox-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
}

.drop-zone {
  margin-top: 0.75rem;
  padding: 0.9rem;
  border: 1px dashed #4a5a7a;
  border-radius: 10px;
  color: var(--muted);
  text-align: center;
}

.drop-zone.active {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(79, 156, 255, 0.08);
}

.action-row {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

button {
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  transition: transform 0.08s ease, border-color 0.2s ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--accent);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.feedback {
  min-height: 1.35rem;
  margin-top: 0.75rem;
  color: var(--muted);
}

.progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
}

.progress-grid div {
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem;
}

.progress-grid span {
  color: var(--muted);
  display: block;
  font-size: 0.85rem;
}

.progress-grid strong {
  font-size: 1.1rem;
}

.progress-grid .current {
  grid-column: span 2;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem;
  text-align: left;
  vertical-align: top;
}

th {
  color: #c9d6f6;
  font-size: 0.92rem;
}

td {
  color: #e1e8fb;
  font-size: 0.9rem;
}

.status-ok {
  color: var(--accent-2);
}

.status-fail {
  color: var(--danger);
}

.status-warn {
  color: var(--warn);
}

.result-version-select {
  min-width: 240px;
}

.app-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 700px) {
  .app-header {
    flex-direction: column;
  }

  .progress-grid .current {
    grid-column: span 1;
  }
}