:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #20242d;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #8a93a5;
  --accent: #4f8cff;
  --accent-hover: #6aa0ff;
  --danger: #e0524a;
  --success: #4caf72;
  --error: #e0524a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 1rem; }
.topbar nav .user { color: var(--muted); }
.topbar nav a { color: var(--text); }
.inline { display: inline; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; font: inherit; }
button.link:hover { text-decoration: underline; }

.container { max-width: 920px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.footer { text-align: center; color: var(--muted); padding: 1.5rem; font-size: 0.85rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}
.card.narrow { max-width: 420px; margin-left: auto; margin-right: auto; }
.card.center { text-align: center; }
h1, h2 { margin-top: 0; }

label { display: block; margin-bottom: 0.85rem; color: var(--muted); font-size: 0.9rem; }
label.row { display: flex; align-items: center; gap: 0.5rem; }
input[type=text], input[type=password], input[type=file] {
  display: block; width: 100%; margin-top: 0.3rem;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 0.55rem 0.7rem; font: inherit;
}
input[type=file] { padding: 0.4rem; }
input[readonly] { color: var(--muted); }

.btn {
  display: inline-block; cursor: pointer;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 0.5rem 0.9rem; font: inherit;
  transition: background 0.15s;
}
.btn:hover { background: #2a2f3a; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: white; }
.btn.small { padding: 0.3rem 0.55rem; font-size: 0.85rem; }
.btn.big { padding: 0.85rem 1.5rem; font-size: 1.05rem; }

.alert { padding: 0.7rem 0.9rem; border-radius: 6px; margin-bottom: 1rem; border: 1px solid; }
.alert.success { color: var(--success); border-color: var(--success); background: rgba(76,175,114,0.08); }
.alert.error   { color: var(--error);   border-color: var(--error);   background: rgba(224,82,74,0.08); }

.share-line { display: flex; gap: 0.4rem; margin-top: 0.4rem; align-items: center; }
.share-url { flex: 1; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; }

table.files { width: 100%; border-collapse: collapse; }
table.files th, table.files td {
  text-align: left; padding: 0.55rem 0.5rem;
  border-bottom: 1px solid var(--border); vertical-align: middle;
}
table.files th { color: var(--muted); font-weight: 500; font-size: 0.85rem; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.progress-bar {
  width: 100%; height: 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  overflow: hidden;
  margin: 0.6rem 0 0.4rem;
}
.progress-bar-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  transition: width 0.1s linear;
}
.progress-meta {
  display: flex; gap: 1rem; flex-wrap: wrap;
  font-size: 0.85rem; color: var(--muted);
  margin-bottom: 0.6rem;
  font-variant-numeric: tabular-nums;
}
.progress-meta span:empty { display: none; }