:root {
  --navy: #1b365d;
  --red: #d7263d;
  --ink: #1f2933;
  --muted: #627080;
  --line: #d9dee5;
  --bg: #f5f7fa;
  --card: #ffffff;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.bar { display: flex; align-items: center; gap: 16px; padding: 12px 24px; background: var(--card); border-bottom: 4px solid var(--red); }
.logo { height: 44px; }
.bar h1 { margin: 0; font-size: 1.3rem; color: var(--navy); flex: 1; }
.who { display: flex; align-items: center; gap: 12px; color: var(--muted); }
main { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 24px 16px; }
footer { text-align: center; padding: 12px; color: var(--muted); font-size: .85rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 32px; }
.center { max-width: 460px; margin: 48px auto; text-align: center; }
.button, button { display: inline-block; border: 0; border-radius: 6px; padding: 9px 16px; font: inherit; cursor: pointer; background: var(--navy); color: #fff; text-decoration: none; }
.button:hover, button:hover { filter: brightness(1.15); }
button.secondary { background: transparent; color: var(--navy); border: 1px solid var(--navy); }
button.link { background: none; color: var(--navy); padding: 0; text-decoration: underline; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.actions { display: flex; gap: 8px; }
.crumbs { font-size: 1.05rem; margin-bottom: 12px; min-height: 1.4em; }
.crumbs button { margin: 0 2px; }
.area-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.area-list .area { background: var(--card); color: var(--navy); border: 1px solid var(--line); border-left: 4px solid var(--red); padding: 18px; text-align: left; font-weight: 600; }
.drop { border: 2px dashed var(--line); border-radius: 8px; padding: 14px; text-align: center; color: var(--muted); margin-bottom: 12px; }
.drop { cursor: pointer; }
.drop.over, .drop:hover, .drop:focus { border-color: var(--navy); color: var(--navy); background: #eef3f9; outline: none; }
.link-text { color: var(--navy); text-decoration: underline; }
button.danger { background: transparent; color: var(--red); border: 1px solid var(--red); margin-left: 6px; }
button.danger-solid { background: var(--red); color: #fff; }
dialog { border: 1px solid var(--line); border-top: 4px solid var(--red); border-radius: 8px; padding: 24px; max-width: 440px; width: calc(100% - 32px); color: var(--ink); }
dialog::backdrop { background: rgba(27, 54, 93, .45); }
dialog h2 { margin: 0 0 12px; font-size: 1.15rem; color: var(--navy); }
dialog p { margin: 0 0 12px; overflow-wrap: anywhere; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.files { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); }
.files th, .files td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; overflow-wrap: anywhere; }
.files th { color: var(--muted); font-weight: 600; font-size: .85rem; }
.files .num { text-align: right; white-space: nowrap; }
.uploads { list-style: none; padding: 0; margin: 0 0 12px; }
.uploads li { display: flex; gap: 12px; align-items: center; padding: 4px 0; }
.uploads progress { flex: 0 0 180px; }
.status { min-height: 1.2em; color: var(--muted); }
.error { color: var(--red); }
.muted { color: var(--muted); }
@media (max-width: 640px) {
  .bar { flex-wrap: wrap; padding: 12px 16px; }
  .files th:nth-child(3), .files td:nth-child(3) { display: none; }
}