/* ------------------------------------------------------------------
   TP8 Admin —— 现代化后台样式（Element Plus 主题微调）
------------------------------------------------------------------ */

:root {
  --el-color-primary: #4f46e5;
  --el-color-primary-light-3: #818cf8;
  --el-color-primary-light-5: #a5b4fc;
  --el-color-primary-light-7: #c7d2fe;
  --el-color-primary-light-8: #ddd6fe;
  --el-color-primary-light-9: #eef2ff;
  --el-color-primary-dark-2: #4338ca;
  --admin-bg: #f4f6fb;
  --admin-sidebar: #10132a;
  --admin-sidebar-2: #1b1f45;
  --admin-border: #e8ebf3;
  --admin-text: #0f172a;
  --admin-muted: #7c8698;
}

* { box-sizing: border-box; }

html, body, #app { height: 100%; }

body {
  margin: 0;
  background: var(--admin-bg);
  color: var(--admin-text);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ============================ 登录页 ============================ */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  background: #f7f8fc;
}

.login-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 72px;
  color: #fff;
  background:
    radial-gradient(900px 520px at 10% 0%, rgba(99, 102, 241, .55), transparent 60%),
    radial-gradient(700px 460px at 90% 100%, rgba(14, 165, 233, .45), transparent 60%),
    linear-gradient(140deg, #0b1020 0%, #171c3f 55%, #1d2456 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.login-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.6), transparent 80%);
  pointer-events: none;
}

.login-brand { display: flex; align-items: center; gap: 14px; position: relative; z-index: 1; }
.login-brand .mark {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, #6366f1, #22d3ee);
  font-weight: 800; letter-spacing: 1px;
  box-shadow: 0 16px 34px rgba(56, 189, 248, .28);
}
.login-brand b { display: block; font-size: 17px; letter-spacing: .5px; }
.login-brand span { font-size: 12px; color: rgba(255,255,255,.62); letter-spacing: 3px; }

.login-copy { position: relative; z-index: 1; max-width: 460px; }
.login-copy h2 { font-size: 34px; line-height: 1.3; margin: 0 0 16px; font-weight: 700; letter-spacing: -.5px; }
.login-copy h2 em { font-style: normal; background: linear-gradient(120deg, #a5b4fc, #67e8f9); -webkit-background-clip: text; background-clip: text; color: transparent; }
.login-copy p { color: rgba(255,255,255,.68); line-height: 1.9; font-size: 14px; margin: 0; }
.login-points { margin-top: 30px; display: grid; gap: 14px; position: relative; z-index: 1; }
.login-point { display: flex; align-items: center; gap: 12px; font-size: 13px; color: rgba(255,255,255,.8); }
.login-point i {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: rgba(99, 102, 241, .18); border: 1px solid rgba(165, 180, 252, .35); font-style: normal;
}
.login-foot { font-size: 12px; color: rgba(255,255,255,.42); position: relative; z-index: 1; }

.login-panel { display: grid; place-items: center; padding: 40px 24px; }
.login-card {
  width: 100%; max-width: 396px; background: #fff; border-radius: 20px; padding: 38px 34px;
  box-shadow: 0 30px 70px rgba(15, 23, 42, .12);
  border: 1px solid rgba(255,255,255,.9);
}
.login-card h3 { margin: 0 0 6px; font-size: 22px; font-weight: 700; }
.login-card .hint { margin: 0 0 26px; color: var(--admin-muted); font-size: 13px; }
.login-card .el-form-item { margin-bottom: 22px; }
.login-card .el-input__wrapper { min-height: 44px; border-radius: 10px; }
.login-card .submit-btn { width: 100%; height: 44px; border-radius: 10px; font-weight: 600; font-size: 15px; }
.login-tips {
  margin-top: 20px; padding: 12px 14px; border-radius: 10px; background: #f6f7ff;
  color: #64748b; font-size: 12px; line-height: 1.8; border: 1px dashed #dbe2ff;
}
.login-tips code { color: #4f46e5; font-weight: 600; }

@media (max-width: 900px) {
  .login-page { grid-template-columns: 1fr; }
  .login-hero { padding: 40px 28px; gap: 28px; }
  .login-copy h2 { font-size: 26px; }
  .login-points { display: none; }
  .login-foot { display: none; }
  .login-panel { padding: 28px 18px 48px; margin-top: -34px; }
  .login-card { box-shadow: 0 20px 50px rgba(15,23,42,.14); }
}

/* ============================ 主框架 ============================ */
.admin-shell { height: 100vh; }

.sidebar {
  background: linear-gradient(180deg, var(--admin-sidebar) 0%, var(--admin-sidebar-2) 100%);
  display: flex; flex-direction: column;
  transition: width .22s ease;
  overflow: hidden;
  position: relative;
}
.sidebar::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 240px; pointer-events: none;
  background: radial-gradient(320px 180px at 0% 100%, rgba(79, 70, 229, .35), transparent 70%);
}

.brand { display: flex; align-items: center; gap: 12px; padding: 18px 18px 14px; }
.brand-logo {
  flex: 0 0 36px; width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, #6366f1, #22d3ee); color: #fff; font-weight: 800; font-size: 14px;
  box-shadow: 0 10px 22px rgba(56, 189, 248, .22);
}
.brand-text b { display: block; color: #fff; font-size: 15px; letter-spacing: .4px; }
.brand-text span { display: block; color: rgba(255,255,255,.45); font-size: 11px; letter-spacing: 1px; margin-top: 2px; }

.menu-scroll { flex: 1; padding: 8px 10px 16px; }
.side-menu { border-right: none !important; background: transparent !important; }
.side-menu .el-menu-item,
.side-menu .el-sub-menu__title {
  height: 44px; line-height: 44px; border-radius: 10px; margin: 3px 0;
  color: #aab3c9 !important;
}
.side-menu .el-menu-item:hover,
.side-menu .el-sub-menu__title:hover { background: rgba(255,255,255,.06) !important; color: #fff !important; }
.side-menu .el-menu-item.is-active {
  background: linear-gradient(135deg, rgba(99,102,241,.95), rgba(59,130,246,.85)) !important;
  color: #fff !important;
  box-shadow: 0 10px 22px rgba(79, 70, 229, .35);
}
.side-menu .el-sub-menu.is-active > .el-sub-menu__title { color: #fff !important; }
.side-menu .el-menu { background: transparent; }
.side-menu .el-sub-menu .el-menu-item { padding-left: 46px !important; }
.sidebar-footer {
  padding: 12px 20px 18px; color: rgba(255,255,255,.32); font-size: 11px; letter-spacing: .6px;
  border-top: 1px solid rgba(255,255,255,.06); position: relative; z-index: 1;
}

.topbar {
  height: 62px; background: rgba(255,255,255,.86); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--admin-border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 22px;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.env-tag { border-color: #dbe2ff; color: #4f46e5; background: #f5f7ff; font-weight: 600; letter-spacing: 1px; }
.user-chip { display: flex; align-items: center; gap: 9px; cursor: pointer; padding: 5px 10px 5px 5px; border-radius: 999px; transition: background .2s; }
.user-chip:hover { background: #f1f4fb; }
.user-chip .user-name { font-size: 13px; font-weight: 600; color: #1f2937; }

.main-area { padding: 22px; overflow-y: auto; }

/* ============================ 页面通用 ============================ */
.page { display: flex; flex-direction: column; gap: 16px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-head h2 { margin: 0; font-size: 20px; font-weight: 700; letter-spacing: -.2px; }
.page-head p { margin: 6px 0 0; color: var(--admin-muted); font-size: 13px; }

.panel {
  background: #fff; border-radius: 14px; border: 1px solid var(--admin-border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, .04);
  padding: 18px;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.panel-head h3 { margin: 0; font-size: 15px; font-weight: 700; }
.panel-head .sub { color: var(--admin-muted); font-size: 12px; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }

.el-table { --el-table-border-color: #eef1f7; --el-table-header-bg-color: #f8fafc; border-radius: 10px; }
.el-table th.el-table__cell { font-weight: 600; color: #475569; }
.el-table .cell { font-size: 13px; }

.pager { display: flex; justify-content: flex-end; margin-top: 16px; }

.text-muted { color: var(--admin-muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }

/* ============================ 仪表盘 ============================ */
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat-card {
  position: relative; overflow: hidden; background: #fff; border-radius: 16px; padding: 20px;
  border: 1px solid var(--admin-border); box-shadow: 0 10px 30px rgba(15,23,42,.04);
  display: flex; align-items: center; gap: 16px;
}
.stat-card .icon-box {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-size: 22px; color: #fff;
}
.stat-card .icon-box.indigo { background: linear-gradient(135deg, #6366f1, #818cf8); box-shadow: 0 12px 24px rgba(99,102,241,.3); }
.stat-card .icon-box.cyan { background: linear-gradient(135deg, #06b6d4, #22d3ee); box-shadow: 0 12px 24px rgba(6,182,212,.28); }
.stat-card .icon-box.amber { background: linear-gradient(135deg, #f59e0b, #fbbf24); box-shadow: 0 12px 24px rgba(245,158,11,.28); }
.stat-card .icon-box.rose { background: linear-gradient(135deg, #f43f5e, #fb7185); box-shadow: 0 12px 24px rgba(244,63,94,.26); }
.stat-card .value { font-size: 26px; font-weight: 800; line-height: 1.1; letter-spacing: -.5px; }
.stat-card .label { color: var(--admin-muted); font-size: 13px; margin-top: 4px; }
.stat-card .trend { position: absolute; right: 16px; top: 16px; font-size: 11px; color: #94a3b8; }

.dash-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 16px; }
.chart-box { height: 300px; width: 100%; }
.welcome h3 { margin: 0 0 8px; font-size: 18px; }
.welcome p { margin: 0; color: var(--admin-muted); font-size: 13px; line-height: 1.8; }
.welcome .meta { display: grid; gap: 10px; margin-top: 18px; }
.welcome .meta-row { display: flex; justify-content: space-between; font-size: 13px; padding: 9px 12px; background: #f8fafc; border-radius: 9px; }
.welcome .meta-row span:first-child { color: var(--admin-muted); }

@media (max-width: 1200px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dash-grid { grid-template-columns: 1fr; }
}

/* ============================ 过渡 ============================ */
.fade-slide-enter-active, .fade-slide-leave-active { transition: all .18s ease; }
.fade-slide-enter-from { opacity: 0; transform: translateY(8px); }
.fade-slide-leave-to { opacity: 0; transform: translateY(-6px); }

@media (max-width: 820px) {
  .main-area { padding: 14px; }
  .topbar { padding: 0 12px; }
  .user-chip .user-name { display: none; }
}