:root {
  --bg: #0e0f13; --panel: #16181f; --line: #262a35; --fg: #e6e8ee;
  --muted: #8b90a0; --accent: #7aa2f7; --warn: #e0af68; --danger: #f7768e;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

#topbar { display: flex; align-items: center; gap: 16px; padding: 10px 16px;
  border-bottom: 1px solid var(--line); background: var(--panel); }
.brand { font-weight: 600; letter-spacing: .02em; }
.status { color: var(--muted); font: 12px/1 var(--mono); }
.status.ok { color: var(--accent); } .status.err { color: var(--danger); }
.actions { margin-left: auto; display: flex; gap: 8px; }
button { background: #1d2030; color: var(--fg); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 12px; font-size: 13px; cursor: pointer; }
button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }

.vaultinfo { background: #11151c; border-bottom: 1px solid var(--line); color: var(--muted);
  font-size: 12px; padding: 7px 16px; }
.vaultinfo code { color: var(--accent); font-family: var(--mono); }

#layout { display: grid; grid-template-columns: 290px 1fr; flex: 1; min-height: 0; }
body { display: flex; flex-direction: column; }
#sidebar { border-right: 1px solid var(--line); overflow: auto; padding: 10px; background: #12141a; }
#content { overflow: auto; padding: 28px 36px; }
.hint, .empty { color: var(--muted); font-size: 13px; padding: 8px; }

.proj { margin-bottom: 10px; }
.proj-head { display: flex; align-items: center; gap: 4px; padding: 8px 6px 4px; }
.proj-name { color: var(--muted); font: 11px/1.4 var(--mono); text-transform: uppercase;
  letter-spacing: .08em; flex: 1; }
.proj-name .count { color: #545a6c; }
.mini { background: none; border: 1px solid transparent; color: var(--muted); padding: 2px 6px;
  border-radius: 6px; font-size: 12px; line-height: 1; cursor: pointer; }
.mini:hover { border-color: var(--line); color: var(--fg); }
.file-row { display: flex; align-items: center; }
.file-row .file-del { opacity: 0; }
.file-row:hover .file-del { opacity: 1; }
.file { display: block; flex: 1; text-align: left; background: none; border: none;
  color: var(--fg); padding: 5px 8px; border-radius: 6px; font-size: 13px; cursor: pointer;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file:hover { background: #1d2030; } .file.active { background: #24304d; color: #fff; }

.doc-head { display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--line);
  padding-bottom: 10px; margin-bottom: 6px; }
.doc-head .doc-path { border: none; padding: 0; margin: 0; flex: 1; }
.cipher-btn { font-size: 12px; padding: 4px 9px; }
.cipher-note { color: var(--muted); font-size: 12px; margin-bottom: 18px; }
.cipher-note code, .doc-head .doc-path code { color: var(--accent); }
.cipher { background: #0a0b0e; border: 1px solid var(--line); border-radius: 8px; padding: 12px;
  margin: 0 0 18px; }
.cipher-label { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.cipher pre { margin: 0; white-space: pre-wrap; word-break: break-all; color: var(--warn);
  font: 11px/1.5 var(--mono); }
.welcome .reset { margin-top: 28px; } .welcome .reset a { color: var(--muted); font-size: 12px; }

.welcome { max-width: 620px; } .welcome h1 { font-weight: 650; }
.welcome .warn, .warn { color: var(--warn); font-size: 13px; }

.doc { max-width: 760px; }
.doc-path { color: var(--muted); font: 12px/1 var(--mono); border-bottom: 1px solid var(--line);
  padding-bottom: 10px; margin-bottom: 18px; font-weight: 400; }
.doc h1, .doc h2, .doc h3 { line-height: 1.3; }
.doc pre { background: #0a0b0e; border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; overflow: auto; }
.doc code { font-family: var(--mono); font-size: .92em; }
.doc :not(pre) > code { background: #0a0b0e; padding: 1px 5px; border-radius: 4px; }
.doc a { color: var(--accent); }
.doc img { max-width: 100%; }
.doc blockquote { border-left: 3px solid var(--line); margin: 0; padding-left: 14px; color: var(--muted); }

#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: #1d2030; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 16px; font-size: 13px; max-width: 80vw; }
#toast.err { border-color: var(--danger); color: var(--danger); }

#content.dragover { outline: 2px dashed var(--accent); outline-offset: -12px; }