/* ==================== 设计变量 ==================== */
:root {
  --primary: #16a34a;
  --primary-dark: #15803d;
  --primary-light: #dcfce7;
  --primary-soft: #f0fdf4;
  --ink: #1f2937;
  --ink-2: #4b5563;
  --ink-3: #9ca3af;
  --line: #e5e7eb;
  --line-soft: #f0f2f5;
  --bg: #f4f6f8;
  --card: #ffffff;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --warn: #d97706;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, .16);
  --sidebar-w: 232px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg); color: var(--ink); font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
button, input, select { font-family: inherit; }

/* ==================== 登录页 ==================== */
.login-wrap {
  min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background:
    radial-gradient(1000px 500px at 10% -10%, rgba(255,255,255,.14), transparent 60%),
    radial-gradient(800px 500px at 110% 110%, rgba(255,255,255,.10), transparent 60%),
    linear-gradient(135deg, #14532d 0%, #166534 45%, #16a34a 100%);
  padding: 24px;
}
.login-card {
  background: #fff; border-radius: 20px; padding: 40px 42px 34px; width: 380px; max-width: 100%;
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.login-logo {
  width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 14px;
  background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 34px;
}
.login-card h1 { font-size: 21px; text-align: center; letter-spacing: 1px; }
.login-card .sub { text-align: center; color: var(--ink-3); margin: 8px 0 22px; font-size: 13px; }
.login-card label { display: block; margin: 14px 0 6px; color: var(--ink-2); font-size: 13px; font-weight: 500; }
.login-card input {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 10px; font-size: 14px;
  transition: border-color .15s, box-shadow .15s;
}
.login-card input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,163,74,.14); }
.error { color: var(--danger); min-height: 20px; margin-top: 8px; font-size: 13px; }
.login-foot { color: rgba(255,255,255,.65); font-size: 12px; margin-top: 26px; letter-spacing: 1px; }

/* ==================== 布局：侧边栏 ==================== */
#main-view { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0; background: #fff; border-right: 1px solid var(--line-soft);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 20px 18px 16px; }
.brand-logo {
  width: 42px; height: 42px; border-radius: 12px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0;
}
.brand-name { font-weight: 700; font-size: 16px; }
.brand-sub { font-size: 11px; color: var(--ink-3); margin-top: 2px; }
#nav-tabs { display: flex; flex-direction: column; gap: 2px; padding: 6px 12px; flex: 1; overflow-y: auto; }
#nav-tabs .tab {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px; cursor: pointer; white-space: nowrap;
  color: var(--ink-2); user-select: none; font-size: 14px; transition: background .12s, color .12s;
}
#nav-tabs .tab:hover { background: var(--line-soft); }
#nav-tabs .tab.active { background: var(--primary-soft); color: var(--primary-dark); font-weight: 600; }
#nav-tabs .tab .ico { width: 20px; text-align: center; font-size: 15px; }
.sidebar-foot { border-top: 1px solid var(--line-soft); padding: 12px 16px 14px; }
.whoami { font-size: 13px; color: var(--ink-2); margin-bottom: 8px; }
.whoami b { color: var(--primary-dark); }
.foot-btns { display: flex; gap: 8px; }

main { flex: 1; padding: 24px 28px 40px; max-width: 1240px; }

/* ==================== 面板 ==================== */
.panel {
  background: var(--card); border-radius: var(--radius); padding: 20px 22px;
  box-shadow: var(--shadow); margin-bottom: 16px; border: 1px solid var(--line-soft);
}
.panel h2 { font-size: 17px; margin-bottom: 4px; }
.panel .panel-desc { color: var(--ink-3); font-size: 12.5px; margin-bottom: 16px; }

/* ==================== 统计卡片 ==================== */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat-card {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 14px 18px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 14px;
}
.stat-ico {
  width: 42px; height: 42px; border-radius: 12px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0;
}
.stat-label { color: var(--ink-3); font-size: 12.5px; }
.stat-value { font-size: 20px; font-weight: 700; color: var(--ink); margin-top: 2px; font-variant-numeric: tabular-nums; }
.stat-value small { font-size: 12px; color: var(--ink-3); font-weight: 400; margin-left: 2px; }

/* ==================== 工具栏 ==================== */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.toolbar input, .toolbar select {
  padding: 8px 12px; border: 1.5px solid var(--line); border-radius: 10px; font-size: 13px; background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.toolbar input:focus, .toolbar select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,163,74,.12); }
.toolbar .sep { width: 1px; height: 22px; background: var(--line); }
.spacer { flex: 1; }

/* ==================== 表格 ==================== */
.table-scroll { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: 12px; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.grid th, table.grid td {
  border-bottom: 1px solid var(--line-soft); padding: 11px 14px; text-align: left; white-space: nowrap;
}
table.grid th {
  background: #f8faf9; color: var(--ink-2); font-weight: 600; font-size: 12.5px;
  position: sticky; top: 0; z-index: 1;
}
table.grid td.num, table.grid th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.grid tbody tr:last-child td { border-bottom: none; }
table.grid tbody tr:hover td { background: #f6fdf8; }
table.grid tfoot td { font-weight: 700; background: #fbfefc; border-top: 2px solid var(--primary-light); }
.row-actions { display: flex; gap: 6px; }
.pager { display: flex; align-items: center; gap: 10px; margin-top: 14px; color: var(--ink-2); font-size: 13px; }
.empty-tip { text-align: center; color: var(--ink-3); padding: 44px 0; }
.empty-tip .empty-ico { font-size: 34px; display: block; margin-bottom: 10px; opacity: .6; }

/* ==================== 按钮 ==================== */
.btn {
  border: none; border-radius: 10px; padding: 9px 18px; font-size: 13.5px; cursor: pointer;
  background: var(--line-soft); color: var(--ink); font-weight: 500;
  transition: filter .12s, transform .05s, box-shadow .12s;
}
.btn:hover { filter: brightness(.95); }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: linear-gradient(135deg, #16a34a, #15803d); color: #fff;
  box-shadow: 0 2px 8px rgba(22,163,74,.35);
}
.btn.primary:hover { filter: brightness(1.05); }
.btn.danger { background: var(--danger-bg); color: var(--danger); }
.btn.danger:hover { background: #fecaca; }
.btn.ghost { background: transparent; border: 1.5px solid var(--line); }
.btn.ghost:hover { border-color: var(--ink-3); filter: none; }
.btn.small { padding: 5px 12px; font-size: 12.5px; border-radius: 8px; }
.btn.block { width: 100%; margin-top: 20px; padding: 12px; font-size: 15px; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.danger-text { color: var(--danger) !important; }

/* ==================== 弹窗 ==================== */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .45); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; z-index: 100;
  animation: fadeIn .15s ease;
}
.modal {
  background: #fff; border-radius: 16px; padding: 26px 30px; width: 480px; max-width: 94vw;
  max-height: 88vh; overflow-y: auto; box-shadow: var(--shadow-lg);
  animation: popIn .18s ease;
}
@keyframes fadeIn { from { opacity: 0; } }
@keyframes popIn { from { opacity: 0; transform: scale(.96) translateY(8px); } }
.modal h3 { margin-bottom: 6px; font-size: 16.5px; }
.modal .modal-desc { color: var(--ink-3); font-size: 13px; margin-bottom: 14px; }
.modal label { display: block; margin: 12px 0 5px; color: var(--ink-2); font-size: 13px; font-weight: 500; }
.modal input, .modal select {
  width: 100%; padding: 9px 12px; border: 1.5px solid var(--line); border-radius: 10px; font-size: 13.5px;
  transition: border-color .15s, box-shadow .15s;
}
.modal input:focus, .modal select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,163,74,.12); }
.modal .modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.modal .error { min-height: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.form-grid .full { grid-column: 1 / -1; }

/* ==================== 徽标 ==================== */
.tag { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; }
.tag.admin { background: var(--primary-soft); color: var(--primary-dark); }
.tag.user { background: var(--line-soft); color: var(--ink-2); }
.tag.disabled { background: var(--danger-bg); color: var(--danger); }
.tag.ok { background: var(--primary-soft); color: var(--primary-dark); }

/* ==================== 日志 ==================== */
.log-detail {
  max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--ink-3); font-size: 12px;
}

/* ==================== 提示 ==================== */
.toast {
  position: fixed; top: 24px; left: 50%; transform: translateX(-50%);
  background: #111827; color: #fff; padding: 11px 22px; border-radius: 12px; z-index: 200;
  font-size: 13.5px; box-shadow: 0 8px 24px rgba(0,0,0,.25); animation: dropIn .2s ease;
}
.toast.err { background: var(--danger); }
@keyframes dropIn { from { opacity: 0; transform: translate(-50%, -12px); } }

/* ==================== 首页 ==================== */
.dash-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.dash-head h1 { font-size: 22px; }
.dash-head p { color: var(--ink-3); font-size: 13px; margin-top: 6px; }
.dash-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dash-cols .panel { margin-bottom: 0; }
@media (max-width: 900px) { .dash-cols { grid-template-columns: 1fr; } .dash-cols .panel { margin-bottom: 16px; } }
.bars { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.bar-row { display: flex; align-items: center; gap: 12px; }
.bar-label { width: 110px; flex-shrink: 0; font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: right; }
.bar-track { flex: 1; height: 16px; background: var(--line-soft); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, #22c55e, #16a34a); transition: width .4s ease; }
.bar-fill.neg { background: linear-gradient(90deg, #f87171, #dc2626); }
.bar-val { width: 92px; flex-shrink: 0; text-align: right; font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
.bar-val small { font-size: 11px; color: var(--ink-3); font-weight: 400; margin-left: 2px; }

/* ==================== 响应式 ==================== */
@media (max-width: 860px) {
  #main-view { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; border-right: none; border-bottom: 1px solid var(--line-soft); }
  #nav-tabs { flex-direction: row; overflow-x: auto; padding: 4px 10px; }
  #nav-tabs .tab { flex-shrink: 0; }
  .sidebar-foot { display: flex; align-items: center; justify-content: space-between; }
  .whoami { margin-bottom: 0; }
  main { padding: 16px 14px 32px; }
  .form-grid { grid-template-columns: 1fr; }
}