:root {
  --bg: #0e0f12;
  --surface: #17191e;
  --surface-2: #1e2127;
  --border: #2a2e37;
  --text: #e7e9ee;
  --muted: #9aa0ab;
  --accent: #5b9dff;
  --accent-hover: #4a8bf0;
  --danger: #ff6b6b;
  --ok: #4caf7d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 18px; font-weight: 600; margin: 0; letter-spacing: .2px; }

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  max-width: 360px;
  margin: 60px auto;
}

.card h2 { margin: 0 0 18px; font-size: 16px; }

form { display: flex; flex-direction: column; gap: 12px; }

input[type="password"] {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 11px 12px;
  font-size: 15px;
}
input[type="password"]:focus { outline: none; border-color: var(--accent); }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
button:hover { background: var(--accent-hover); }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); }
button.ghost:hover { background: var(--surface-2); color: var(--text); }
button.danger { background: transparent; border: 1px solid var(--border); color: var(--danger); }
button.danger:hover { background: rgba(255,107,107,.12); }

.error { color: var(--danger); min-height: 1.2em; margin: 12px 0 0; font-size: 13px; }

/* Dropzone */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px 24px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone:focus { border-color: var(--accent); outline: none; }
.dropzone.drag { border-color: var(--accent); background: rgba(91,157,255,.08); }
.dropzone p { margin: 4px 0; }
.dropzone strong { color: var(--text); }
.dropzone .hint { font-size: 12px; }

/* Uploads in progress */
#uploads { margin: 20px 0; display: flex; flex-direction: column; gap: 10px; }
.upload {
  display: grid;
  grid-template-columns: 1fr 140px 64px;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
}
.upload-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload .bar { height: 6px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.upload .fill { height: 100%; width: 0; background: var(--accent); transition: width .15s; }
.upload-pct { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.upload.done .fill { background: var(--ok); }
.upload.err .upload-pct { color: var(--danger); }
.upload.err .fill { background: var(--danger); }

/* Files table */
.files { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
.files th, .files td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.files th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.files .num { text-align: right; font-variant-numeric: tabular-nums; }
.files td.name { word-break: break-word; }
.files td.date { color: var(--muted); white-space: nowrap; }
.files .actions { display: flex; gap: 8px; justify-content: flex-end; }
.files .actions button { padding: 6px 10px; font-size: 12px; }
.files .empty { text-align: center; color: var(--muted); padding: 32px; }