:root {
  --bg: #0f1115; --card: #1a1d24; --line: #2a2f3a;
  --fg: #e6e8eb; --muted: #9aa3b2; --accent: #4f8cff; --err: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.5 system-ui, sans-serif;
}
.hidden { display: none !important; }

/* login */
.card {
  max-width: 340px; margin: 12vh auto; padding: 28px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
}
.card h1 { margin: 0 0 18px; font-size: 22px; text-align: center; }
form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.card form { flex-direction: column; }
input, select, button {
  font: inherit; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: #0f1115; color: var(--fg);
}
.card input { width: 100%; }
button {
  background: var(--accent); border: none; color: #fff;
  cursor: pointer; font-weight: 600;
}
button:hover { filter: brightness(1.1); }
.err { color: var(--err); min-height: 1em; margin: 4px 0 0; font-size: 13px; }

/* dashboard */
header {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 18px; border-bottom: 1px solid var(--line); background: var(--card);
}
header nav { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
header nav button { background: transparent; color: var(--muted); }
header nav button.active { color: var(--fg); background: var(--line); }
#whoami { color: var(--muted); font-size: 13px; }
.tab { padding: 18px; max-width: 1000px; }
table { width: 100%; border-collapse: collapse; margin-top: 14px; }
th, td {
  text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line);
  font-size: 14px; vertical-align: middle;
}
th { color: var(--muted); font-weight: 600; }
td.actions { white-space: nowrap; }
td button {
  padding: 5px 10px; font-size: 13px; font-weight: 500;
  background: var(--line); color: var(--fg);
}
td button.danger { background: transparent; color: var(--err); border: 1px solid var(--err); }
.summary-grid { display: flex; gap: 28px; flex-wrap: wrap; margin-bottom: 8px; }
.summary-grid div { font-size: 14px; }
.summary-grid b { display: block; font-size: 22px; }
#upload-status { color: var(--muted); font-size: 13px; }
#upload-progress-wrap {
  margin-top: 10px; background: var(--line); border-radius: 6px;
  height: 8px; width: 100%; max-width: 420px; overflow: hidden; position: relative;
}
#upload-progress-bar {
  height: 100%; width: 0%; background: var(--accent);
  border-radius: 6px; transition: width 0.2s ease;
}
#upload-progress-label {
  display: block; margin-top: 4px; font-size: 12px; color: var(--muted);
}
a { color: var(--accent); }
@media (max-width: 540px) {
  th:nth-child(4), td:nth-child(4) { display: none; } /* hide timestamps on phones */
}