:root {
  --bg: #0a1020;
  --bg-soft: #111a2f;
  --card: rgba(20, 30, 52, 0.85);
  --card-border: rgba(163, 184, 220, 0.2);
  --text: #e8eefc;
  --muted: #9cb0d5;
  --accent: #4f8cff;
  --accent-strong: #2f74f8;
  --danger: #ff6d7d;
  --success: #55d0a1;
  --shadow: 0 24px 60px rgba(2, 6, 18, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 0% 0%, #182742 0%, var(--bg) 45%),
    linear-gradient(180deg, #0b1223 0%, #070b16 100%);
}

.app-shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 1.5rem auto 2.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.hero {
  padding: 2rem 2rem 1.6rem;
  margin-bottom: 1.25rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

h1 {
  margin: 0.4rem 0 0.65rem;
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  line-height: 1.2;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 72ch;
  line-height: 1.5;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.panel {
  padding: 1.25rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

h2 {
  margin: 0;
  font-size: 1.15rem;
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.9rem;
}

.upload-item {
  background: rgba(10, 16, 32, 0.55);
  border: 1px solid rgba(163, 184, 220, 0.2);
  border-radius: 12px;
  padding: 0.85rem;
}

label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

input[type="file"],
input[type="number"] {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(163, 184, 220, 0.26);
  background: #0b1427;
  color: var(--text);
  padding: 0.6rem 0.7rem;
  font-size: 0.93rem;
}

input[type="file"]::file-selector-button {
  background: rgba(79, 140, 255, 0.15);
  color: var(--text);
  border: 1px solid rgba(79, 140, 255, 0.4);
  border-radius: 8px;
  padding: 0.35rem 0.65rem;
  margin-right: 0.65rem;
  cursor: pointer;
}

.file-status {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  min-height: 1rem;
}

.controls-row {
  display: flex;
  gap: 0.9rem;
  align-items: end;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.asn-field {
  flex: 1 1 220px;
}

.btn {
  border: none;
  border-radius: 11px;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(160deg, var(--accent), var(--accent-strong));
  color: #f8fbff;
  min-width: 165px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}

.btn-secondary {
  background: rgba(79, 140, 255, 0.16);
  color: #dfe9ff;
  border: 1px solid rgba(79, 140, 255, 0.5);
}

.btn-ghost {
  background: transparent;
  color: #dce8ff;
  border: 1px solid rgba(163, 184, 220, 0.4);
}

.btn:not(:disabled):hover {
  transform: translateY(-1px);
}

.run-status {
  margin: 0.85rem 0 0;
  color: var(--muted);
  min-height: 1.1rem;
}

.error {
  margin: 0.7rem 0 0;
  color: var(--danger);
  font-weight: 600;
}

.hidden {
  display: none !important;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.95rem;
}

.stat-card {
  background: rgba(8, 13, 27, 0.55);
  border: 1px solid rgba(163, 184, 220, 0.2);
  border-radius: 11px;
  padding: 0.72rem 0.8rem;
}

.stat-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  margin: 0.3rem 0 0;
  font-size: 1.04rem;
  font-weight: 700;
}

.table-wrap {
  overflow: auto;
  border: 1px solid rgba(163, 184, 220, 0.2);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

th,
td {
  padding: 0.68rem 0.7rem;
  border-bottom: 1px solid rgba(163, 184, 220, 0.17);
  text-align: left;
  vertical-align: top;
  font-size: 0.87rem;
}

thead th {
  position: sticky;
  top: 0;
  background: rgba(8, 14, 26, 0.95);
  z-index: 1;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #cfe0ff;
}

.path-chip {
  display: inline-block;
  background: rgba(79, 140, 255, 0.12);
  border: 1px solid rgba(79, 140, 255, 0.33);
  border-radius: 999px;
  padding: 0.22rem 0.52rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New",
    monospace;
  font-size: 0.8rem;
  color: #e8f0ff;
}

.placeholder {
  text-align: center;
  color: var(--muted);
  padding: 1.2rem;
}

.footer {
  margin-top: 1.1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 740px) {
  .app-shell {
    width: calc(100% - 1rem);
    margin-top: 0.8rem;
  }

  .hero,
  .panel {
    padding: 1rem;
  }
}