/* ============================================================
   ACE PATH — 管理后台（admin.html）
   ============================================================ */

.admin-page { background: #F1F5FC; min-height: 100vh; }

/* ============ 登录视图 ============ */
.ad-login {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background:
    radial-gradient(1000px 600px at 70% 10%, rgba(22, 119, 255, 0.18), transparent 60%),
    linear-gradient(178deg, var(--navy-deep), var(--navy));
  overflow: hidden;
}
.ad-login-bg { position: absolute; inset: 0; pointer-events: none; }

.ad-login-card {
  position: relative;
  width: min(420px, 100%);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(120, 160, 255, 0.22);
  border-radius: 24px;
  padding: 48px 42px 40px;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 80px rgba(3, 12, 34, 0.5);
  text-align: center;
}
.ad-login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #fff;
}
.ad-logo-icon {
  height: 36px;
  width: auto;
  flex: none;
  border-radius: 4px;
}
.ad-login-logo span { color: var(--cyan); }
.ad-login-sub {
  margin: 8px 0 34px;
  font-size: 13px;
  letter-spacing: 0.4em;
  color: rgba(160, 188, 238, 0.7);
}

.ad-field { flex: 1; margin-bottom: 18px; text-align: left; }
.ad-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.ad-login .ad-field label { color: rgba(220, 233, 255, 0.85); }
.ad-field label i { font-style: normal; color: var(--blue); margin-left: 2px; }
.ad-field input,
.ad-field textarea {
  width: 100%;
  font-family: var(--font-cn);
  font-size: 14.5px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1.5px solid transparent;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.ad-login .ad-field input {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(120, 160, 255, 0.25);
  color: #fff;
}
.ad-login .ad-field input::placeholder { color: rgba(160, 185, 230, 0.45); }
.ad-login .ad-field input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 198, 255, 0.14);
}

.ad-error {
  min-height: 20px;
  margin-bottom: 10px;
  font-size: 13px;
  color: #FF8A8A;
}
.ad-login-btn { width: 100%; justify-content: center; letter-spacing: 0.3em; }
.ad-back {
  display: inline-block;
  margin-top: 26px;
  font-size: 13px;
  color: rgba(160, 188, 238, 0.65);
  transition: color 0.3s;
}
.ad-back:hover { color: var(--cyan); }

/* ============ 管理视图 ============ */
.ad-topbar {
  background: var(--navy);
  box-shadow: 0 4px 20px rgba(7, 21, 53, 0.3);
}
.ad-topbar-inner {
  width: min(1080px, 94vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.ad-topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff;
}
.ad-topbar-logo .ad-logo-icon { height: 28px; border-radius: 4px; }
.ad-topbar-logo span { color: var(--cyan); }
.ad-topbar-logo em {
  font-family: var(--font-cn);
  font-style: normal;
  font-weight: 400;
  font-size: 12.5px;
  letter-spacing: 0.3em;
  color: rgba(160, 188, 238, 0.7);
  margin-left: 10px;
}
.ad-topbar-actions { display: flex; align-items: center; gap: 22px; }
.ad-link {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-cn);
  font-size: 13.5px;
  color: rgba(220, 233, 255, 0.8);
  letter-spacing: 0.04em;
  transition: color 0.3s;
}
.ad-link:hover { color: var(--cyan); }

/* --- 标签页 --- */
.ad-tabs {
  width: min(1080px, 94vw);
  margin: 28px auto 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.ad-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1.5px solid rgba(11, 31, 78, 0.12);
  background: #fff;
  font-family: var(--font-cn);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.ad-tab:hover { border-color: rgba(22, 119, 255, 0.4); color: var(--blue); }
.ad-tab.active {
  background: linear-gradient(96deg, var(--blue), #2E8BFF);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 22px rgba(22, 119, 255, 0.35);
}
.ad-tab-count {
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 700;
  min-width: 22px;
  padding: 2px 7px;
  border-radius: 999px;
  text-align: center;
  background: rgba(22, 119, 255, 0.1);
  color: var(--blue);
}
.ad-tab.active .ad-tab-count { background: rgba(255, 255, 255, 0.22); color: #fff; }

/* --- 面板 --- */
.ad-main { width: min(1080px, 94vw); margin: 22px auto 80px; }
.ad-panel { display: none; }
.ad-panel.active { display: block; animation: adFade 0.4s var(--ease); }
@keyframes adFade {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.ad-tip {
  font-size: 12.5px;
  color: var(--ink-soft);
  background: rgba(22, 119, 255, 0.06);
  border: 1px dashed rgba(22, 119, 255, 0.3);
  border-radius: 10px;
  padding: 10px 16px;
  margin-bottom: 18px;
}

.ad-panel-head { display: flex; justify-content: flex-end; margin-bottom: 16px; }

.btn-outline {
  color: var(--ink-soft);
  background: #fff;
  border: 1.5px solid rgba(11, 31, 78, 0.18);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

/* --- 编辑表单 --- */
.ad-form {
  background: #fff;
  border: 1px solid rgba(22, 119, 255, 0.25);
  border-radius: 16px;
  padding: 26px 26px 22px;
  margin-bottom: 20px;
  box-shadow: 0 14px 36px rgba(11, 31, 78, 0.08);
  animation: adFade 0.35s var(--ease);
}
.ad-form-row { display: flex; gap: 16px; }
.ad-form-row .ad-field-sm { flex: 0 0 180px; }
.ad-form .ad-field input,
.ad-form .ad-field textarea {
  background: #F5F8FE;
  border-color: rgba(11, 31, 78, 0.1);
  color: var(--ink);
}
.ad-form .ad-field input::placeholder,
.ad-form .ad-field textarea::placeholder { color: #9AA6BF; }
.ad-form .ad-field input:focus,
.ad-form .ad-field textarea:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(22, 119, 255, 0.12);
}
.ad-form .ad-field textarea { resize: vertical; line-height: 1.7; }
.ad-form .ad-field.invalid input,
.ad-form .ad-field.invalid textarea { border-color: #FF5A5A; background: #FFF7F7; }
.ad-form-actions { display: flex; gap: 12px; }

/* --- 列表卡片 --- */
.ad-list { display: flex; flex-direction: column; gap: 14px; }

.ad-item {
  background: #fff;
  border: 1px solid rgba(11, 31, 78, 0.08);
  border-radius: 14px;
  padding: 20px 22px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.ad-item:hover {
  border-color: rgba(22, 119, 255, 0.3);
  box-shadow: 0 10px 28px rgba(11, 31, 78, 0.07);
}

.ad-item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.ad-item-main { flex: 1; min-width: 0; }
.ad-item-title { font-size: 15.5px; font-weight: 700; color: var(--navy); line-height: 1.6; }
.ad-item-sub {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}
.ad-item-sub .ad-chip {
  font-size: 11.5px;
  color: var(--blue);
  background: rgba(22, 119, 255, 0.08);
  border-radius: 999px;
  padding: 2px 10px;
}
.ad-item-text {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  word-break: break-word;
}
.ad-item-actions { display: flex; gap: 10px; flex: none; }
.ad-btn-mini {
  border: 1px solid rgba(11, 31, 78, 0.15);
  background: #fff;
  border-radius: 8px;
  padding: 6px 14px;
  font-family: var(--font-cn);
  font-size: 12.5px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.25s;
}
.ad-btn-mini:hover { border-color: var(--blue); color: var(--blue); }
.ad-btn-mini.danger:hover { border-color: #FF5A5A; color: #FF5A5A; background: #FFF7F7; }

.ad-empty {
  text-align: center;
  padding: 54px 0;
  color: var(--ink-soft);
  font-size: 14px;
  background: #fff;
  border: 1px dashed rgba(11, 31, 78, 0.15);
  border-radius: 14px;
}

/* --- Toast --- */
.ad-toast {
  position: fixed;
  left: 50%;
  top: 84px;
  z-index: 300;
  background: rgba(10, 34, 88, 0.94);
  border: 1px solid rgba(0, 198, 255, 0.5);
  color: #fff;
  font-size: 14px;
  padding: 12px 26px;
  border-radius: 999px;
  box-shadow: 0 14px 36px rgba(3, 12, 34, 0.45);
  transform: translate(-50%, -20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.ad-toast.show { opacity: 1; transform: translate(-50%, 0); }
.ad-toast.error { border-color: rgba(255, 90, 90, 0.7); }

/* ============ 响应式 ============ */
@media (max-width: 720px) {
  .ad-login-card { padding: 40px 26px 34px; }
  .ad-form-row { flex-direction: column; gap: 0; }
  .ad-form-row .ad-field-sm { flex: none; }
  .ad-item-top { flex-direction: column; }
  .ad-item-actions { align-self: flex-end; }
  .ad-topbar-logo em { display: none; }
  .ad-topbar-actions { gap: 14px; }
  .ad-tab { padding: 9px 16px; font-size: 13px; }
  .ad-item { padding: 16px 16px; }
  .ad-form { padding: 22px 18px 18px; }
  .ad-toast { max-width: 88vw; white-space: normal; text-align: center; }
}

/* 手机端（小屏）专属适配 */
@media (max-width: 480px) {
  .ad-login-logo { font-size: 24px; gap: 8px; }
  .ad-login-logo .ad-logo-icon { height: 30px; }
  .ad-topbar-logo { font-size: 16px; }
  .ad-topbar-logo .ad-logo-icon { height: 24px; }
  .ad-tabs { margin-top: 20px; gap: 8px; }
  .ad-main { margin: 16px auto 60px; }
  .ad-item-actions { align-self: stretch; justify-content: flex-end; }
  .ad-btn-mini { padding: 8px 14px; }
}