/* YANG28 管理后台样式（复用 style.css 的变量与基础组件） */
.admin-body {
  min-height: 100vh;
  background-image:
    radial-gradient(900px 420px at 8% -10%, rgba(53, 214, 210, 0.07), transparent 62%),
    radial-gradient(760px 380px at 96% 0%, rgba(167, 139, 250, 0.06), transparent 60%);
}

/* ---------------- 登录页 ---------------- */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: min(392px, 100%);
  padding: 26px 26px 22px;
  border-radius: 18px;
  border-color: rgba(53, 214, 210, 0.24);
  background:
    radial-gradient(360px 140px at 50% -30%, rgba(53, 214, 210, 0.14), transparent 72%),
    linear-gradient(180deg, #111a27, #0a1018);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.login-card .brand-mark {
  width: 40px;
  height: 40px;
  font-size: 14px;
  box-shadow: 0 0 26px rgba(53, 214, 210, 0.34);
}
.login-card .brand-title { font-size: 16px; }
.login-card .btn.primary { padding: 10px 16px; font-size: 13px; border-radius: 10px; }

/* ---------------- 表单控件 ---------------- */
.admin-body input[type="text"],
.admin-body input[type="password"],
.admin-body input[type="number"],
.admin-body textarea,
.admin-body select {
  width: 100%;
  background: #0a1119;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 9px;
  padding: 8px 11px;
  font-size: 12.5px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.16s, box-shadow 0.16s;
  resize: vertical;
}
.admin-body select { cursor: pointer; padding: 7px 9px; }
.admin-body input:focus,
.admin-body textarea:focus,
.admin-body select:focus {
  border-color: rgba(53, 214, 210, 0.5);
  box-shadow: 0 0 0 3px rgba(53, 214, 210, 0.08);
}
.admin-body input::placeholder,
.admin-body textarea::placeholder { color: var(--dim-2); }

/* ---------------- 布局 ---------------- */
.admin-shell {
  display: grid;
  grid-template-columns: 236px 1fr;
  min-height: 100vh;
}

.admin-side {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 14px 16px;
  background: linear-gradient(180deg, #0c121c 0%, #080c13 100%);
  border-right: 1px solid var(--line);
}
.admin-side .brand { padding: 2px 6px 18px; }
.admin-side .brand-mark { box-shadow: 0 0 24px rgba(53, 214, 210, 0.3); }

.admin-side nav { display: flex; flex-direction: column; gap: 4px; }
.side-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 11px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--dim);
  cursor: pointer;
  border: 1px solid transparent;
  transition: 0.16s;
  user-select: none;
}
.side-item:hover { color: var(--text); background: #101927; }
.side-item.on {
  color: var(--cyan);
  background: linear-gradient(90deg, rgba(53, 214, 210, 0.15), rgba(53, 214, 210, 0.03));
  border-color: rgba(53, 214, 210, 0.3);
  box-shadow: inset 3px 0 0 var(--cyan);
}
.side-ico {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--dim-2);
  transition: 0.16s;
}
.side-ico svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 1.4; fill: none; }
.side-item:hover .side-ico { color: var(--text); }
.side-item.on .side-ico { color: var(--cyan); background: rgba(53, 214, 210, 0.12); }

.side-foot { margin-top: auto; padding: 12px 4px 4px; border-top: 1px solid var(--line-soft); }
.side-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--dim-2);
  padding: 8px 10px;
  border-radius: 9px;
  border: 1px solid transparent;
  transition: 0.16s;
}
.side-link::after { content: "→"; font-family: var(--mono); }
.side-link:hover { color: var(--cyan); border-color: rgba(53, 214, 210, 0.26); background: rgba(53, 214, 210, 0.06); }

/* ---------------- 主区 ---------------- */
.admin-main { padding: 20px 26px 64px; min-width: 0; }
.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}
.admin-title { font-size: 19px; font-weight: 650; letter-spacing: 0.2px; }
.admin-top .muted { margin-top: 5px; }

.admin-main .card {
  padding: 18px 20px;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.26);
}
.admin-main .card-title { font-size: 14px; }

.admin-main .kpi { position: relative; overflow: hidden; }
.admin-main .kpi::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(53, 214, 210, 0.7), rgba(53, 214, 210, 0.05));
}
.admin-main .kpi-label { font-size: 11.5px; letter-spacing: 0.6px; }
.admin-main .kpi-value { font-size: 30px; margin-top: 10px; }
.admin-main .kpi-foot { font-size: 11.5px; line-height: 1.7; }

/* ---------------- 表格 ---------------- */
.admin-main .table-wrap {
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: #0a1017;
}
.admin-main thead th {
  background: #0d1420;
  font-size: 11px;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.admin-main tbody td { padding: 9px 12px; border-bottom: 1px solid rgba(28, 38, 52, 0.6); }
.admin-main tbody tr:last-child td { border-bottom: none; }
.admin-main tbody tr:hover { background: rgba(53, 214, 210, 0.055); }
.admin-main table select {
  width: auto;
  min-width: 92px;
  padding: 4px 8px;
  font-size: 11.5px;
  border-radius: 7px;
  background: #0c141d;
}

/* ---------------- 其它 ---------------- */
.toast {
  margin-bottom: 14px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(61, 220, 151, 0.32);
  border-left: 3px solid var(--green);
  background: rgba(61, 220, 151, 0.09);
  color: var(--green);
  font-size: 12.5px;
  animation: toastIn 0.2s ease-out;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

.btn.ghost.danger { color: var(--red); border-color: rgba(255, 93, 115, 0.28); }
.btn.ghost.danger:hover { background: var(--red-soft); border-color: rgba(255, 93, 115, 0.45); }

.switch {
  width: 46px; height: 25px; border-radius: 20px;
  background: #223042;
  border: 1px solid var(--line);
  position: relative;
  cursor: pointer;
  transition: 0.2s;
  flex: none;
}
.switch i {
  position: absolute;
  top: 2px; left: 2px;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: var(--dim);
  transition: 0.2s;
}
.switch.on { background: rgba(53, 214, 210, 0.22); border-color: rgba(53, 214, 210, 0.45); }
.switch.on i { left: 23px; background: var(--cyan); box-shadow: 0 0 12px rgba(53, 214, 210, 0.5); }

/* 弹窗观感 */
.admin-body .site-modal { backdrop-filter: blur(6px); }
.admin-body .site-modal-card {
  border-color: rgba(53, 214, 210, 0.22);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
  animation: modalIn 0.18s ease-out;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to { opacity: 1; transform: none; }
}

/* ---------------- 移动端 ---------------- */
@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    overflow-x: auto;
    padding: 10px 12px;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .admin-side .brand, .side-foot { display: none; }
  .admin-side nav { flex-direction: row; }
  .side-item { white-space: nowrap; padding: 8px 11px; }
  .side-item.on { box-shadow: none; }
  .side-ico { width: 26px; height: 26px; }
  .side-ico svg { width: 16px; height: 16px; }
  .admin-main { padding: 16px 14px 56px; }
  .admin-main .kpi-value { font-size: 25px; }
}