:root {
  --bg: #12141a;
  --surface: #181b23;
  --surface-2: #1f2330;
  --border: #2a2f3d;
  --text: #e7e9ee;
  --text-dim: #8b92a4;
  --accent: #5eead4;
  --accent-dim: #2f7a70;
  --danger: #f2777b;
  --danger-dim: #7a3436;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

header h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
}

header h1 span {
  color: var(--text-dim);
  font-weight: 400;
}

.sub {
  color: var(--text-dim);
  margin: 6px 0 32px;
  font-size: 15px;
}

.dropzone {
  border: 1.5px dashed var(--border);
  border-radius: 10px;
  background: var(--surface);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.dropzone.drag-over {
  border-color: var(--accent);
  background: var(--surface-2);
}

.dz-inner { pointer-events: none; }

.dz-icon {
  font-size: 26px;
  color: var(--accent);
  margin-bottom: 10px;
  line-height: 1;
}

.dz-text {
  color: var(--text-dim);
  font-size: 15px;
  pointer-events: auto;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 15px;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
  font-family: inherit;
}

.upload-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.upload-row {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.upload-row.done { color: var(--accent); }
.upload-row.failed { color: var(--danger); }

.files-section { margin-top: 44px; }

.files-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
}

.files-head h2 {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}

.danger-btn {
  background: transparent;
  border: 1px solid var(--danger-dim);
  color: var(--danger);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--sans);
  transition: background 0.15s ease;
}

.danger-btn:hover { background: rgba(242, 119, 123, 0.1); }
.danger-btn:disabled { opacity: 0.4; cursor: default; }

.files-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.files-table th {
  text-align: left;
  font-weight: 500;
  color: var(--text-dim);
  font-size: 12.5px;
  padding: 0 10px 8px;
  border-bottom: 1px solid var(--border);
}

.files-table td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.files-table td.name { word-break: break-all; }

.files-table td.mono,
.files-table th.mono {
  font-family: var(--mono);
  color: var(--text-dim);
  white-space: nowrap;
}

.files-table tr:last-child td { border-bottom: none; }

.empty-row td {
  color: var(--text-dim);
  text-align: center;
  padding: 24px 10px;
}

.dl-btn {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid var(--accent-dim);
  border-radius: 6px;
  padding: 5px 12px;
  white-space: nowrap;
}

.dl-btn:hover { background: rgba(94, 234, 212, 0.08); }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 480px) {
  .files-table th:nth-child(2),
  .files-table td:nth-child(2) { display: none; }
}