:root {
  --bg: #0f1117;
  --panel: #171a23;
  --panel2: #1f2330;
  --accent: #6c8cff;
  --text: #e8e9ee;
  --muted: #8a8fa3;
  --danger: #ff5c6c;
  --ok: #4fd1a5;
  --border: #2a2f40;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  width: 340px;
  box-shadow: 0 10px 40px rgba(0,0,0,.4);
}
.card h1 { font-size: 20px; margin: 0 0 4px; }
.card p.hint { color: var(--muted); font-size: 13px; margin-top: 0; }
input[type=password], input[type=text], input[type=url] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  font-size: 14px;
  margin: 8px 0;
}
button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  transition: opacity .15s;
}
button:hover { opacity: .9; }
button.secondary { background: var(--panel2); color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--danger); }
.error { color: var(--danger); font-size: 13px; min-height: 18px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar h1 { font-size: 16px; margin: 0; }
.tabs {
  display: flex;
  gap: 4px;
  padding: 12px 24px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.tab {
  padding: 10px 16px;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}
.tab.active { background: var(--bg); color: var(--text); }
.content { padding: 24px; max-width: 900px; margin: 0 auto; }
.panel-view { display: none; }
.panel-view.active { display: block; }
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone.drag { border-color: var(--accent); background: rgba(108,140,255,.06); }
table { width: 100%; border-collapse: collapse; margin-top: 16px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.row-actions button { padding: 5px 10px; font-size: 12px; margin-left: 6px; }
.muted { color: var(--muted); font-size: 13px; }
.inline-form { display: flex; gap: 8px; margin-top: 10px; }
.inline-form input { margin: 0; }
select {
  padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel2); color: var(--text); font-size: 14px;
}
.file-list-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.pill { background: var(--panel2); border: 1px solid var(--border); padding: 3px 8px; border-radius: 999px; font-size: 12px; color: var(--muted); }