:root {
  --bg: #050806;
  --panel: rgba(10, 22, 14, 0.92);
  --border: rgba(57, 255, 140, 0.28);
  --text: #dfffe8;
  --muted: rgba(190, 240, 210, 0.72);
  --accent: #39ff8c;
  --accent-dim: rgba(57, 255, 140, 0.85);
  --danger-bg: rgba(255, 55, 90, 0.12);
  --danger-border: rgba(255, 90, 120, 0.45);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: radial-gradient(1200px 600px at 50% -10%, rgba(57, 255, 140, 0.08), transparent),
    linear-gradient(180deg, #050806 0%, #020403 100%);
}

.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.06;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.35) 3px
  );
}

.hero {
  max-width: 980px;
  margin: 0 auto;
  padding: 2.25rem 1.25rem 1rem;
}

.brand-badge {
  display: inline-block;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.lead {
  margin: 0;
  color: var(--muted);
  max-width: 72ch;
}

.download-note {
  margin: 1rem 0 0;
  padding: 0.65rem 0.85rem;
  border: 1px dashed var(--border);
  background: rgba(57, 255, 140, 0.06);
  color: var(--accent-dim);
  font-size: 0.88rem;
}

.password-hint {
  margin: 0.85rem 0 0;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(57, 255, 140, 0.35);
  background: rgba(57, 255, 140, 0.05);
  color: var(--text);
  font-size: 0.88rem;
}

.password-hint .pwd {
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--accent);
  font-size: 0.92em;
}

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

.pwd-cell .pwd {
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--accent);
  font-size: 0.82rem;
}

.banner-legal {
  max-width: 980px;
  margin: 1.25rem auto 0;
  padding: 0 1.25rem;
}

.banner-legal p {
  margin: 0;
  padding: 1rem 1rem;
  border: 1px solid var(--danger-border);
  background: var(--danger-bg);
  color: #ffc9d4;
  font-size: 0.88rem;
}

.panel {
  max-width: 1080px;
  margin: 1.75rem auto 2.5rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 0 0 1px rgba(57, 255, 140, 0.05), 0 12px 40px rgba(0, 0, 0, 0.45);
}

.panel-head h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

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

.small {
  font-size: 0.82rem;
}

.state {
  padding: 1rem 0;
}

.state-loading {
  color: var(--muted);
}

.state-error {
  color: #ff8fa8;
  border: 1px solid var(--danger-border);
  padding: 0.75rem 1rem;
  background: var(--danger-bg);
}

.hidden {
  display: none !important;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 0.5rem;
}

.samples-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.samples-table th,
.samples-table td {
  border-bottom: 1px solid rgba(57, 255, 140, 0.15);
  padding: 0.65rem 0.5rem;
  vertical-align: top;
  text-align: left;
}

.samples-table th {
  color: var(--accent-dim);
  font-weight: 600;
  white-space: nowrap;
}

.filename-cell {
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 320px;
}

.hash-cell {
  word-break: break-all;
  font-size: 0.78rem;
  color: var(--muted);
  max-width: 280px;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  background: rgba(57, 255, 140, 0.08);
  color: var(--accent);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-download:hover,
.btn-download:focus-visible {
  outline: none;
  background: rgba(57, 255, 140, 0.18);
  border-color: rgba(57, 255, 140, 0.55);
}

.btn-download:focus-visible {
  box-shadow: 0 0 0 2px rgba(57, 255, 140, 0.35);
}

.icon-arrow {
  opacity: 0.85;
}

.footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

@media (max-width: 720px) {
  .samples-table th:nth-child(4),
  .samples-table td:nth-child(4) {
    display: none;
  }

  .samples-table th:nth-child(5),
  .samples-table td:nth-child(5) {
    display: none;
  }

  .filename-cell {
    max-width: none;
  }
}