:root {
  --bg: #0c1118;
  --card: #151d2b;
  --line: #2a3a51;
  --text: #eaf0f8;
  --muted: #8b9cb3;
  --accent: #3d8bfd;
  --accent-hover: #62a4ff;
  --ok: #3dd68c;
  --err: #ff6b7a;
  --chip: #223049;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 480px at 8% -8%, #1d3358 0%, transparent 55%),
    radial-gradient(800px 400px at 100% 0%, #15263f 0%, var(--bg) 50%);
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.sub { margin: 0; color: var(--muted); }

.badge {
  flex-shrink: 0;
  background: var(--chip);
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.card.dragover {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}

.file-btn {
  display: inline-flex;
  align-items: center;
  background: var(--chip);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  cursor: pointer;
}

.file-btn input { display: none; }

.file-name {
  color: var(--muted);
  font-size: 13px;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

button {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
}

button:hover { background: var(--accent-hover); }

button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

button.ghost:hover { background: rgba(61, 139, 253, 0.12); }

button:disabled { opacity: 0.45; cursor: not-allowed; }

button#pause:not(:disabled):not(.ghost) {
  background: var(--accent);
  border: 0;
  color: white;
}

.status {
  font-size: 13px;
  min-height: 1.2em;
  color: var(--muted);
  flex: 1 1 14em;
  min-width: 0;
  word-break: break-word;
}
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }
.status.pause { color: #e2c36b; }

.xfer-bar {
  height: 3px;
  background: var(--line);
  border-radius: 99px;
  margin: 0 0 14px;
  overflow: hidden;
}

.xfer-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.12s linear;
}

.hint {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 13px 8px; }
th { color: var(--muted); font-size: 13px; font-weight: 600; }
tbody tr:hover td { background: rgba(61, 139, 253, 0.06); }
tbody td { border-top: 1px solid var(--line); }
.empty { color: var(--muted); padding: 36px 8px; text-align: center; }

a.download {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

a.download:hover { color: var(--accent-hover); }

.actions {
  display: flex;
  gap: 14px;
  align-items: center;
}

button.delete-btn {
  background: transparent;
  color: var(--err);
  border: 0;
  padding: 0;
  font-size: 14px;
  font-weight: 600;
}

button.delete-btn:hover {
  background: transparent;
  opacity: 0.8;
}

.meta { color: var(--muted); font-variant-numeric: tabular-nums; }

body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-wrap {
  width: 100%;
  max-width: 400px;
  margin: 0;
  padding: 24px 20px;
}

.login-page .hero {
  margin-bottom: 16px;
}

.login-card {
  max-width: none;
}

.login-page button[type="submit"] {
  width: 100%;
}

.login-label {
  display: block;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
}

.login-label input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--text);
  font-size: 15px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 640px) {
  .hero { flex-direction: column; align-items: flex-start; }
  .file-name { max-width: 120px; }
  .status { flex-basis: 100%; }
}