/* ============================================================
   同帧 · 管理后台（SameFrameAdmin）
   与 App 同一视觉体系：纸感白底 + 深墨字 + 主题红点缀
   ============================================================ */

:root {
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --ink: #1c1c1e;
  --ink-2: rgba(60, 60, 67, .58);
  --ink-3: rgba(60, 60, 67, .34);
  --accent: #b04a2c;
  --accent-soft: rgba(176, 74, 44, .08);
  --danger: #a8392b;
  --card-bg: #ffffff;
  --card-border: rgba(28, 28, 30, .07);
  --card-shadow: 0 3px 16px -8px rgba(30, 30, 70, .14), 0 1px 2px rgba(30, 30, 70, .04);
  --panel-bg: #f7f7f9;
  --page-bg: #fbfbfd;
  --hairline: 1px solid rgba(28, 28, 30, .07);
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font: 14px/1.7 var(--font-sans);
  color: var(--ink);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
h2 { font: 500 22px/1.4 var(--font-serif); margin-bottom: 18px; }
h3 { font: 500 15px/1.5 var(--font-serif); }
.sub-h { margin: 22px 0 12px; color: var(--ink-2); }

/* ---------- 登录页 ---------- */
.gate {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.gate-card {
  width: 360px; max-width: 100%;
  background: var(--card-bg);
  border: var(--hairline); border-radius: 16px;
  box-shadow: var(--card-shadow);
  padding: 40px 36px 28px;
}
.gate-mark { font: 500 26px/1 var(--font-serif); letter-spacing: .12em; }
.gate-mark span {
  display: block; margin-top: 8px;
  font: 400 11px/1 var(--font-sans); letter-spacing: .3em; color: var(--ink-3);
}
.gate-sub { margin: 22px 0 6px; color: var(--ink-2); font-size: 13px; }
.gate-err { min-height: 20px; font-size: 12px; color: var(--danger); margin: 2px 0 8px; }
.gate-api { margin-top: 18px; font-size: 11px; color: var(--ink-3); text-align: center; }
.gate-api b { font-weight: 400; font-family: var(--font-mono); }

/* ---------- 表单 ---------- */
.fld { display: block; margin: 14px 0; }
.fld > span {
  display: block; margin-bottom: 6px;
  font-size: 12px; letter-spacing: .06em; color: var(--ink-2);
}
.fld input, .fld textarea, .search input {
  width: 100%;
  font: 14px/1.6 var(--font-sans); color: var(--ink);
  background: var(--page-bg);
  border: var(--hairline); border-radius: 10px;
  padding: 9px 12px; outline: none;
  transition: border-color .15s;
}
.fld input:focus, .fld textarea:focus, .search input:focus { border-color: rgba(176, 74, 44, .45); }
.fld textarea { resize: vertical; }
.fld input[type="password"] { font-family: var(--font-mono); letter-spacing: .1em; }

/* ---------- 按钮 ---------- */
.btn {
  font: 13px/1 var(--font-sans); color: var(--ink);
  background: var(--card-bg);
  border: var(--hairline); border-radius: 10px;
  padding: 9px 18px; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.btn:hover { border-color: rgba(28, 28, 30, .2); }
.btn-solid { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-solid:hover { background: #9c4226; border-color: #9c4226; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: rgba(168, 57, 43, .4); }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 8px; }
.btn-block { width: 100%; margin-top: 6px; }
.btn[disabled] { opacity: .55; cursor: default; }

/* ---------- 主界面骨架 ---------- */
.app { display: flex; min-height: 100vh; }
.side {
  width: 212px; flex: none;
  background: var(--card-bg);
  border-right: var(--hairline);
  padding: 26px 14px 20px;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.side-brand { font: 500 20px/1 var(--font-serif); letter-spacing: .12em; padding: 0 10px; }
.side-brand span {
  display: block; margin-top: 7px;
  font: 400 10px/1 var(--font-sans); letter-spacing: .28em; color: var(--ink-3);
}
.side nav { margin-top: 30px; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.side nav button {
  text-align: left; font: 14px/1 var(--font-sans); color: var(--ink-2);
  background: none; border: 0; border-radius: 9px;
  padding: 10px 12px; cursor: pointer;
  transition: background .12s, color .12s;
}
.side nav button:hover { color: var(--ink); background: var(--panel-bg); }
.side nav button.on { color: var(--accent); background: var(--accent-soft); }
.side-logout {
  font: 12px/1 var(--font-sans); color: var(--ink-3);
  background: none; border: 0; text-align: left;
  padding: 10px 12px; cursor: pointer;
}
.side-logout:hover { color: var(--danger); }

.main { flex: 1; min-width: 0; padding: 34px 40px 60px; max-width: 860px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card-bg);
  border: var(--hairline); border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 22px 24px;
  margin-bottom: 18px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.hint { font-size: 12px; color: var(--ink-3); margin: 4px 0 10px; }

/* ---------- 概览 ---------- */
.stats { display: flex; gap: 14px; margin-bottom: 18px; }
.stat {
  flex: 1; background: var(--card-bg);
  border: var(--hairline); border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 18px 20px;
}
.stat b { display: block; font: 500 26px/1.2 var(--font-serif); }
.stat span { font-size: 12px; color: var(--ink-2); }
.kv { list-style: none; }
.kv li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 9px 2px; border-top: var(--hairline);
  font-size: 13px;
}
.kv li:first-child { border-top: 0; }
.kv .ok { color: #3c7a46; }
.kv .no { color: var(--ink-3); }

/* ---------- 列表通用 ---------- */
.item {
  background: var(--card-bg);
  border: var(--hairline); border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 16px 20px; margin-bottom: 12px;
}
.item-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.item-title { font-weight: 500; }
.item-meta { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.item-body { margin-top: 8px; font-size: 13px; color: var(--ink-2); white-space: pre-wrap; }
.item-actions { display: flex; gap: 8px; margin-top: 12px; }
.empty { color: var(--ink-3); font-size: 13px; text-align: center; padding: 26px 0; }

.row { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.row .fld { flex: 1; min-width: 160px; }
.row-btns { display: flex; gap: 8px; padding-bottom: 14px; }
.chk {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--ink-2);
  padding-bottom: 10px; cursor: pointer; white-space: nowrap;
}
.chk input { accent-color: var(--accent); }

.search { display: flex; gap: 10px; margin-bottom: 16px; }
.search input { max-width: 340px; }

/* ---------- 表格 ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; font-weight: 400; font-size: 12px; color: var(--ink-3);
  padding: 8px 10px; border-bottom: var(--hairline); white-space: nowrap;
}
td { padding: 10px; border-bottom: var(--hairline); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
.tag {
  display: inline-block; font-size: 11px; border-radius: 6px;
  padding: 2px 8px; white-space: nowrap;
}
.tag-ok { color: #3c7a46; background: rgba(60, 122, 70, .1); }
.tag-off { color: var(--ink-3); background: var(--panel-bg); }
.tag-danger { color: var(--danger); background: rgba(184, 57, 43, .08); }
.tag-force { color: var(--accent); background: var(--accent-soft); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 34px;
  transform: translate(-50%, 16px);
  background: var(--ink); color: #fff;
  font-size: 13px; border-radius: 10px;
  padding: 10px 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .22s, transform .22s;
  z-index: 99;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 760px) {
  .app { flex-direction: column; }
  .side { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; gap: 10px; padding: 12px 14px; }
  .side-brand { font-size: 16px; }
  .side-brand span { display: none; }
  .side nav { margin: 0; flex-direction: row; overflow-x: auto; flex: 1; }
  .side nav button { white-space: nowrap; padding: 8px 10px; }
  .main { padding: 22px 16px 50px; }
  .stats { flex-direction: column; }
}