/* 个人网站 · 后台样式 */
:root {
  --bg: #f6f5fb; --card: #ffffff; --text: #17171f; --muted: #6b6b7a;
  --line: #e6e3f0; --primary: #5b5bd6; --primary-2: #a855f7; --soft: #efeeff;
  --radius: 16px; --shadow: 0 10px 30px rgba(23, 23, 31, .07);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  padding-bottom: 90px;
}
h1, h2, h3 { margin: 0; }
code { background: var(--soft); color: var(--primary); padding: 1px 6px; border-radius: 5px; font-size: .92em; }
.hidden { display: none !important; }

.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.86); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { max-width: 980px; margin: 0 auto; padding: 14px 22px; display: flex; align-items: center; gap: 16px; }
.topbar h1 { font-size: 16px; font-weight: 700; flex: 1; }
.back { font-size: 13px; color: var(--muted); }
.back:hover { color: var(--primary); }
.pill { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: #eee; color: var(--muted); }
.pill.ok { background: #e6f7ee; color: #12805c; }
.pill.err { background: #fdeaea; color: #c0392b; }

.wrap { max-width: 980px; margin: 22px auto; padding: 0 22px; display: grid; gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card h2 { font-size: 17px; margin-bottom: 14px; }
.card h3 { font-size: 14px; margin: 22px 0 10px; color: var(--primary); display: flex; align-items: center; gap: 10px; }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.hint.small { font-size: 12px; margin-top: 10px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1.3fr 1.3fr .7fr; gap: 12px; }
label { display: grid; gap: 6px; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
input, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: #fbfbfe; color: var(--text); font: inherit; font-size: 13.5px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(91,91,214,.12); }
textarea { resize: vertical; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 10px; border: 1px solid var(--line);
  background: #fff; color: var(--text); font: inherit; font-weight: 600; font-size: 13.5px;
  cursor: pointer; transition: .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { border: none; color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 8px 20px rgba(91,91,214,.3); }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.mini {
  font-size: 12px; padding: 3px 10px; border-radius: 999px; border: 1px dashed var(--line);
  background: transparent; color: var(--muted); cursor: pointer;
}
.mini:hover { border-color: var(--primary); color: var(--primary); }

.rows { display: grid; gap: 10px; }
.row {
  position: relative; border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 40px 12px 12px; background: #fbfbfe;
}
.row .grid-3, .row .grid-2 { margin: 0; }
.row .del {
  position: absolute; top: 8px; right: 8px; width: 26px; height: 26px;
  border-radius: 8px; border: 1px solid var(--line); background: #fff;
  color: var(--muted); cursor: pointer; font-size: 13px; line-height: 1;
}
.row .del:hover { color: #c0392b; border-color: #f0c4c4; }

.savebar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(255,255,255,.94); backdrop-filter: blur(12px);
  border-top: 1px solid var(--line); padding: 12px 22px;
  display: flex; align-items: center; gap: 10px; justify-content: flex-end; flex-wrap: wrap;
}
.savehint { margin-right: auto; font-size: 12.5px; color: var(--muted); }
.toast {
  position: fixed; left: 50%; bottom: 84px; transform: translate(-50%, 12px);
  background: rgba(20,20,26,.94); color: #fff; padding: 10px 18px; border-radius: 10px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: .25s; z-index: 60;
  max-width: calc(100% - 40px); text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 720px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .savebar { justify-content: stretch; }
  .savebar .btn { flex: 1 1 auto; }
  .savehint { flex: 1 1 100%; }
}