/* ============================================================
   青玉智枢 · 管理后台样式
   主色：深绯红 #A5121E　辅助：墨绿 #2F6B5C　纸感底 #F7F4EE
   ============================================================ */

:root {
  --brand: #A5121E;
  --brand-dark: #7C0D17;
  --brand-soft: rgba(165, 18, 30, .08);
  --jade: #2F6B5C;
  --jade-soft: rgba(47, 107, 92, .1);

  --paper: #F7F4EE;
  --card: #FFFFFF;
  --line: #E4DED2;
  --line-soft: #EFEAE1;

  --ink: #17130F;
  --ink-70: #4A433B;
  --ink-50: #6F665B;
  --ink-30: #9C9184;

  --side-bg: #1A1613;
  --side-ink: #EDE7DC;

  --ok: #2F6B5C;
  --warn: #B4741A;
  --err: #A5121E;
  --info: #3A5A8C;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(23, 19, 15, .04), 0 8px 24px rgba(23, 19, 15, .05);
  --serif: "Noto Serif SC", "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Serif SC", "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font-family: inherit; font-size: inherit; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ------------------------------ 登录 ------------------------------ */

.login-screen[hidden] { display: none; }

.login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(165, 18, 30, .07), transparent 60%),
    radial-gradient(700px 460px at 100% 100%, rgba(47, 107, 92, .08), transparent 60%),
    var(--paper);
  z-index: 100;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 38px 34px 28px;
  box-shadow: var(--shadow);
  text-align: center;
}

.login-logo {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  margin-bottom: 14px;
}

.login-card h1 {
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: .16em;
  margin: 0 0 4px;
}

.login-sub {
  margin: 0 0 26px;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--ink-30);
  text-transform: uppercase;
}

.field { display: block; text-align: left; margin-bottom: 14px; }
.field > span {
  display: block;
  font-size: 12px;
  color: var(--ink-50);
  margin-bottom: 6px;
  letter-spacing: .04em;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #FCFAF6;
  color: var(--ink);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}

.login-err {
  color: var(--err);
  font-size: 12.5px;
  min-height: 18px;
  margin: 10px 0 0;
}

.login-back {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  color: var(--ink-30);
}
.login-back:hover { color: var(--brand); }

/* ------------------------------ 按钮 ------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  transition: all .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink-70); }
.btn-ghost:hover { border-color: var(--ink-30); color: var(--ink); }
.btn-jade { background: var(--jade); color: #fff; }
.btn-jade:hover { filter: brightness(.94); }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ------------------------------ 布局 ------------------------------ */

.admin[hidden] { display: none; }

.admin {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  min-height: 100vh;
}

.side {
  background: var(--side-bg);
  color: var(--side-ink);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.side-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 20px 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.side-brand img { width: 34px; height: 34px; border-radius: 8px; }
.side-brand b {
  display: block;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .12em;
  font-weight: 600;
}
.side-brand small {
  display: block;
  font-size: 10.5px;
  letter-spacing: .22em;
  color: rgba(237, 231, 220, .42);
  text-transform: uppercase;
}

.side-nav { padding: 12px 10px; flex: 1; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 9px 12px;
  margin-bottom: 2px;
  background: transparent;
  border: none;
  border-radius: 7px;
  color: rgba(237, 231, 220, .68);
  cursor: pointer;
  text-align: left;
  font-size: 13.5px;
  transition: all .15s;
}
.nav-item:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.nav-item.on { background: var(--brand); color: #fff; }
.ni {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 5px;
  background: rgba(255, 255, 255, .08);
  font-family: var(--serif);
  font-size: 12px;
  flex: none;
}
.nav-item.on .ni { background: rgba(255, 255, 255, .2); }

.side-foot { padding: 14px; border-top: 1px solid rgba(255, 255, 255, .07); }
.side-user { margin-bottom: 10px; }
.side-user-name { display: block; font-size: 13px; }
.side-user-role { display: block; font-size: 11px; color: rgba(237, 231, 220, .42); }
.side-foot .btn-ghost {
  border-color: rgba(255, 255, 255, .16);
  color: rgba(237, 231, 220, .72);
}
.side-foot .btn-ghost:hover { border-color: rgba(255, 255, 255, .34); color: #fff; }

.main { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 26px;
  height: 62px;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar h2 {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: .08em;
  margin: 0;
  font-weight: 600;
}
.top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 7px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  color: var(--ink-70);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 100px;
  background: var(--jade-soft);
  color: var(--jade);
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
}
.chip.warn { background: rgba(180, 116, 26, .12); color: var(--warn); }
.chip.err { background: var(--brand-soft); color: var(--err); }

.content { padding: 24px 26px 56px; }

/* ------------------------------ 卡片 ------------------------------ */

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(178px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 17px 18px;
  box-shadow: var(--shadow);
}
.kpi-label {
  font-size: 11.5px;
  color: var(--ink-50);
  letter-spacing: .06em;
  margin-bottom: 8px;
}
.kpi-value {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.15;
}
.kpi-sub { font-size: 11.5px; color: var(--ink-30); margin-top: 6px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  overflow: hidden;
}
.card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line-soft);
}
.card-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .06em;
  font-weight: 600;
}
.card-head .tools { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.card-body { padding: 18px; }
.card-body.tight { padding: 0; }
.card-note {
  font-size: 12px;
  color: var(--ink-50);
  line-height: 1.75;
  margin: 0 0 14px;
}

/* ------------------------------ 表格 ------------------------------ */

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  padding: 10px 14px;
  background: #FAF8F3;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--ink-50);
  white-space: nowrap;
}
tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #FCFAF6; }
.num { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--ink-50); }
.strong { font-weight: 600; }

.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.tag.ok { background: var(--jade-soft); color: var(--jade); }
.tag.warn { background: rgba(180, 116, 26, .13); color: var(--warn); }
.tag.err { background: var(--brand-soft); color: var(--err); }
.tag.info { background: rgba(58, 90, 140, .11); color: var(--info); }
.tag.gray { background: rgba(23, 19, 15, .06); color: var(--ink-50); }

/* 进度条 */
.bar {
  width: 100%;
  min-width: 70px;
  height: 5px;
  background: var(--line-soft);
  border-radius: 100px;
  overflow: hidden;
}
.bar i { display: block; height: 100%; background: var(--brand); border-radius: 100px; }
.bar i.ok { background: var(--jade); }
.bar i.warn { background: var(--warn); }
.bar-wrap { display: flex; align-items: center; gap: 8px; }
.bar-wrap span { font-family: var(--mono); font-size: 11.5px; color: var(--ink-50); min-width: 44px; }

.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ------------------------------ 空状态 ------------------------------ */

.empty {
  padding: 46px 20px;
  text-align: center;
  color: var(--ink-30);
  font-size: 13px;
}
.empty b { display: block; font-family: var(--serif); font-size: 15px; color: var(--ink-50); margin-bottom: 6px; }

/* ------------------------------ 表单 ------------------------------ */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}
.form-grid .field { margin-bottom: 0; }
.form-actions { display: flex; gap: 10px; align-items: center; }

.inline-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  align-items: end;
}

.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.switch input { width: auto; margin: 0; }

/* ------------------------------ 图表 ------------------------------ */

.chart { width: 100%; height: 210px; display: block; }
.chart-legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 11.5px;
  color: var(--ink-50);
  margin-top: 10px;
}
.chart-legend i {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  margin-right: 6px;
}

/* ------------------------------ Toast ------------------------------ */

.toast-wrap {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--ink);
  color: #fff;
  padding: 11px 16px;
  border-radius: 8px;
  font-size: 13px;
  max-width: 380px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .2);
  animation: toastIn .22s ease;
}
.toast.err { background: var(--err); }
.toast.ok { background: var(--jade); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ------------------------------ 说明块 ------------------------------ */

.note-block {
  background: #FBF9F4;
  border: 1px solid var(--line);
  border-left: 3px solid var(--jade);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 12.5px;
  color: var(--ink-70);
  line-height: 1.8;
  margin-bottom: 16px;
}
.note-block.warn { border-left-color: var(--warn); }
.note-block.err { border-left-color: var(--err); }
.note-block b { color: var(--ink); }

/* ------------------------------ 响应式 ------------------------------ */

@media (max-width: 960px) {
  .admin { grid-template-columns: minmax(0, 1fr); }
  .side {
    position: fixed;
    left: 0;
    top: 0;
    width: 236px;
    z-index: 60;
    transform: translateX(-100%);
    transition: transform .24s ease;
  }
  body.side-open .side { transform: none; box-shadow: 0 0 40px rgba(0, 0, 0, .3); }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .content { padding: 18px 16px 44px; }
  .topbar { padding: 0 16px; }
}

@media (max-width: 560px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: 20px; }
  .top-right .chip { display: none; }
}