:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2329;
  --muted: #8a9099;
  --line: #e8eaed;
  --accent: #4f7cff;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(20, 30, 60, .06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  line-height: 1.6;
}

#app { max-width: 1180px; margin: 0 auto; padding: 28px 18px 60px; }

/* ---------- 头部 ---------- */
.hd { text-align: center; margin-bottom: 26px; }
.hd h1 { margin: 0 0 6px; font-size: 26px; letter-spacing: .5px; }
.hd p { margin: 0; color: var(--muted); font-size: 14px; }
.search-wrap { margin-top: 16px; }
#search {
  width: 100%;
  max-width: 460px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
#search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 124, 255, .12); }

/* ---------- 分组 ---------- */
.group { margin-bottom: 26px; }
.group-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600; margin: 0 0 12px; color: var(--text);
}
.group-title::before {
  content: ''; width: 4px; height: 15px; border-radius: 2px; background: var(--accent);
}

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr));
}
.card-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s, border-color .15s;
  overflow: hidden;
}
.card-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(20, 30, 60, .12);
  border-color: var(--accent);
}
.card-item .ico {
  width: 34px; height: 34px; flex: 0 0 34px;
  border-radius: 9px; object-fit: contain; background: #f0f2f5;
}
.card-item .meta { min-width: 0; }
.card-item .name {
  font-weight: 600; font-size: 14px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-item .desc {
  font-size: 12px; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---------- 列表模式 ---------- */
.list .card-item { border-radius: 10px; }

.empty { color: var(--muted); text-align: center; padding: 30px 0; font-size: 14px; }

/* ---------- 页脚 ---------- */
.ft {
  margin-top: 40px; text-align: center; color: var(--muted);
  font-size: 13px; display: flex; gap: 14px; justify-content: center; align-items: center;
}
.ft a { color: var(--muted); text-decoration: none; }
.ft a:hover { color: var(--accent); }

/* ============ 后台 ============ */
.mask {
  position: fixed; inset: 0; background: rgba(20, 25, 40, .55);
  display: flex; align-items: center; justify-content: center; z-index: 50;
  padding: 20px;
}
.login-box {
  background: var(--card); border-radius: var(--radius);
  padding: 26px 24px; width: 100%; max-width: 340px; box-shadow: 0 10px 40px rgba(0, 0, 0, .2);
}
.login-box h2 { margin: 0 0 16px; font-size: 18px; }
.login-box input {
  width: 100%; padding: 10px 12px; margin-bottom: 12px;
  border: 1px solid var(--line); border-radius: 8px; font-size: 14px; outline: none;
}
.login-box input:focus { border-color: var(--accent); }

.admin-hd {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; flex-wrap: wrap; text-align: left;
}
.admin-hd h1 { font-size: 20px; margin: 0 0 4px; }
.hd-actions { display: flex; gap: 8px; }

.admin-main { display: flex; flex-direction: column; gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 12px; font-size: 15px; font-weight: 600; }

.btn {
  border: 1px solid var(--line); background: #fff; color: var(--text);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
  transition: all .15s; white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); color: #fff; }
.btn.ghost { background: transparent; }
.btn.danger:hover { border-color: #e5484d; color: #e5484d; }
.btn.sm { padding: 4px 9px; font-size: 12px; }

.form-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 12px;
}
.form-grid label {
  display: flex; flex-direction: column; gap: 5px;
  font-size: 12px; color: var(--muted);
}
.form-grid input, .form-grid select {
  padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 14px; color: var(--text); outline: none; background: #fff;
}
.form-grid input:focus, .form-grid select:focus { border-color: var(--accent); }
.form-grid input[type=color] { padding: 3px; height: 36px; cursor: pointer; }
label.chk { flex-direction: row; align-items: center; gap: 7px; font-size: 13px; color: var(--text); }
label.chk input { width: 16px; height: 16px; }

.row-add { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.row-add input {
  flex: 1; min-width: 180px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 8px; font-size: 14px; outline: none;
}

.glist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.glist li {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 9px; padding: 8px 10px;
}
.glist li .gname { flex: 1; font-size: 14px; font-weight: 500; }
.glist li input { flex: 1; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; }

.site-group { margin-bottom: 18px; }
.site-group > h4 {
  margin: 0 0 10px; font-size: 14px; color: var(--muted); font-weight: 600;
  border-left: 3px solid var(--accent); padding-left: 8px;
}
.srow {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 9px;
  padding: 8px 10px; margin-bottom: 8px; flex-wrap: wrap;
}
.srow.off { opacity: .5; }
.srow .ico { width: 26px; height: 26px; border-radius: 6px; object-fit: contain; background: #f0f2f5; flex: 0 0 26px; }
.srow .sinfo { flex: 1; min-width: 120px; }
.srow .sname { font-size: 14px; font-weight: 600; }
.srow .surl { font-size: 12px; color: var(--muted); word-break: break-all; }
.srow .ops { display: flex; gap: 6px; flex-wrap: wrap; }

.tip { font-size: 12px; color: var(--muted); margin-left: 8px; }
.ok { color: #2ba55c; }
.err { color: #e5484d; }

/* ============ 自适应 ============ */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}
@media (max-width: 600px) {
  #app { padding: 20px 12px 50px; }
  .hd h1 { font-size: 22px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .card-item { padding: 10px; gap: 8px; }
  .card-item .ico { width: 28px; height: 28px; flex-basis: 28px; }
  .card-item .name { font-size: 13px; }
  .card-item .desc { font-size: 11px; }
  .form-grid { grid-template-columns: 1fr; }
  .admin-hd { flex-direction: column; }
}
@media (max-width: 380px) {
  .grid { grid-template-columns: 1fr; }
}