/* 后台管理专用样式 */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --text: #1e1b4b;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #f4f6fb;
}

* { box-sizing: border-box; }

/* ========== 登录页（全屏独立布局） ========== */
body.admin-login-page {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #eef2ff;
  color: var(--text);
  overflow-x: hidden;
}

.admin-login-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(167, 139, 250, 0.35), transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 85%, rgba(99, 102, 241, 0.28), transparent 50%),
    linear-gradient(160deg, #eef2ff 0%, #f5f3ff 45%, #faf5ff 100%);
}

.admin-login-bg::before,
.admin-login-bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}

.admin-login-bg::before {
  width: 420px;
  height: 420px;
  background: #c4b5fd;
  top: -120px;
  right: -80px;
}

.admin-login-bg::after {
  width: 360px;
  height: 360px;
  background: #a5b4fc;
  bottom: -100px;
  left: -60px;
}

.admin-login-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.admin-login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  padding: 40px 36px 36px;
  box-shadow:
    0 4px 6px rgba(99, 102, 241, 0.04),
    0 24px 60px rgba(99, 102, 241, 0.14);
}

.admin-login-brand {
  text-align: center;
  margin-bottom: 32px;
}

.admin-login-logo {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
}

.admin-login-logo-text {
  display: inline-grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, #6366f1 0%, #a78bfa 100%);
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.admin-login-brand h2 {
  margin: 18px 0 6px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.admin-login-brand p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.admin-login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.admin-login-form .field-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
}

.admin-login-form .field-label input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 15px;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.admin-login-form .field-label input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
}

.admin-login-form .btn-login {
  width: 100%;
  margin-top: 6px;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1, #7c3aed);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s, opacity 0.12s;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.admin-login-form .btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.4);
}

.admin-login-form .btn-login:active {
  transform: translateY(0);
}

.admin-login-form .btn-login:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.admin-login-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.admin-login-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.admin-login-footer a:hover {
  text-decoration: underline;
}

/* ========== 后台主界面 ========== */
body.admin-dashboard-page {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 240px);
  color: var(--text);
}

.hidden { display: none !important; }

.admin-wrap { max-width: 1200px; margin: 0 auto; padding: 24px 20px 40px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.admin-head h1 { margin: 0; font-size: 26px; }
.admin-sub { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.admin-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.admin-tab { padding: 10px 18px; border: 1px solid var(--border); background: #fff; border-radius: 10px; cursor: pointer; font-size: 14px; transition: all 0.15s; }
.admin-tab:hover { border-color: #c7d2fe; color: var(--primary-dark); }
.admin-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25); }
.admin-panel { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 24px; box-shadow: 0 4px 24px rgba(15, 23, 42, 0.04); }
.panel-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 12px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
.admin-table th { background: #f8fafc; color: var(--muted); font-weight: 600; font-size: 12px; }
.admin-table th, .admin-table td { border-bottom: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tbody tr:hover { background: #fafbff; }
.admin-table button { padding: 5px 10px; border-radius: 6px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 12px; margin-right: 4px; }
.admin-table button:hover { border-color: var(--primary); color: var(--primary); }
.admin-form-block { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid label, .field-label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #334155; font-weight: 500; }
.form-grid input, .form-grid textarea, .form-grid select { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; }
.form-grid input:focus, .form-grid textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12); }
.form-full { grid-column: 1 / -1; }
.wf-settings-block { display: flex; flex-direction: column; gap: 8px; padding: 14px 16px; background: #f8fafc; border: 1px solid var(--border); border-radius: 12px; }
.wf-settings-block .field-title { font-size: 13px; font-weight: 600; color: #334155; }
.wf-settings-block select { max-width: 320px; }
.field-hint { font-size: 12px; color: #64748b; font-weight: 400; line-height: 1.5; }
.checkbox-inline { display: flex !important; flex-direction: row !important; align-items: center; gap: 8px; margin-top: 10px; padding-top: 12px; border-top: 1px dashed #e2e8f0; cursor: pointer; font-weight: 500; }
.checkbox-inline input[type="checkbox"] { width: 16px; height: 16px; margin: 0; cursor: pointer; accent-color: var(--primary); }
.checkbox-inline span { font-size: 14px; color: #334155; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { padding: 10px 16px; border-radius: 10px; border: none; cursor: pointer; font-size: 14px; font-weight: 600; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: #fff; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: #cbd5e1; color: var(--text); }
.muted { color: var(--muted); font-size: 13px; }
.settings-form { max-width: 560px; margin-top: 16px; }
.logo-preview-wrap { display: flex; flex-direction: column; gap: 8px; }
.logo-preview { display: flex; align-items: center; gap: 12px; padding: 16px; background: #f8fafc; border-radius: 12px; border: 1px dashed var(--border); min-height: 72px; }
.logo-preview img { width: 48px; height: 48px; border-radius: 10px; object-fit: cover; }
.logo-preview .preview-text { width: 48px; height: 48px; border-radius: 10px; background: linear-gradient(135deg, #6366f1, #a78bfa); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 20px; }
.logo-preview strong { font-size: 18px; }
.item-list-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.item-list-row:last-child { border-bottom: none; }
.item-list-row button { padding: 5px 10px; border-radius: 6px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 12px; margin-left: 4px; }
.item-list-row button:hover { border-color: var(--primary); color: var(--primary); }
.item-form-label { margin: 16px 0 0; font-size: 14px; font-weight: 600; color: #334155; }
.form-grid select { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; background: #fff; }
.item-links-section { background: #f8fafc; border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.item-links-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.item-links-head strong { font-size: 14px; }
.item-link-row { display: grid; grid-template-columns: 140px 1fr auto; gap: 10px; margin-bottom: 10px; align-items: center; }
.item-link-row input, .item-link-row select { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; background: #fff; }
.item-link-row .btn-remove-link { padding: 8px 12px; border: 1px solid #fecaca; background: #fff; color: #dc2626; border-radius: 8px; cursor: pointer; font-size: 12px; white-space: nowrap; }
.item-link-row .btn-remove-link:hover { background: #fef2f2; }
@media (max-width: 640px) { .item-link-row { grid-template-columns: 1fr; } }
.toast { position: fixed; right: 20px; bottom: 20px; background: #1e1b4b; color: #fff; padding: 14px 18px; border-radius: 12px; z-index: 9999; font-size: 14px; max-width: 360px; box-shadow: 0 8px 32px rgba(0,0,0,0.2); }

@media (max-width: 480px) {
  .admin-login-card { padding: 32px 24px 28px; border-radius: 20px; }
  .admin-login-brand h2 { font-size: 22px; }
}