/* 腾讯游戏展 · 后台管理系统 */
.admin-body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #050a1a;
  color: #e8eef7;
  line-height: 1.5;
}

.admin-body * {
  box-sizing: border-box;
}

/* hidden 须优先于 display:flex，否则未登录也能滚动看到后台 */
.admin-login-wrap[hidden],
.admin-shell[hidden] {
  display: none !important;
}

.admin-body:not(.admin-body--authed) {
  overflow: hidden;
  height: 100vh;
}

/* —— 登录 —— */
.admin-login-wrap:not([hidden]) {
  position: fixed;
  inset: 0;
  z-index: 200;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.25), transparent),
    #050a1a;
}

.admin-login-card {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid rgba(59, 130, 246, 0.25);
  background: linear-gradient(145deg, rgba(15, 30, 60, 0.95), rgba(8, 16, 36, 0.98));
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.admin-login-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  font-weight: 600;
}

.admin-login-card .admin-login-sub {
  margin: 0 0 1.5rem;
  color: #8fa3bf;
  font-size: 0.9rem;
}

.admin-login-card label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  color: #8fa3bf;
}

.admin-login-card input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid rgba(59, 130, 246, 0.35);
  background: rgba(5, 10, 26, 0.8);
  color: #e8eef7;
  font-size: 1rem;
}

.admin-login-card input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.admin-login-card .admin-btn-primary {
  width: 100%;
  margin-top: 1rem;
  padding: 0.7rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.admin-login-card .admin-btn-primary:hover {
  filter: brightness(1.08);
}

.admin-error {
  margin: 0.75rem 0 0;
  color: #f87171;
  font-size: 0.875rem;
}

/* —— 主框架 —— */
.admin-shell:not([hidden]) {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 1.5rem;
  border-bottom: 1px solid rgba(59, 130, 246, 0.15);
  background: rgba(5, 10, 26, 0.92);
  backdrop-filter: blur(12px);
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.admin-brand__logo {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.45);
}

.admin-brand__logo svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

.admin-brand__text {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.admin-brand__title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.admin-brand__divider {
  width: 1px;
  height: 1rem;
  background: rgba(143, 163, 191, 0.5);
}

.admin-brand__subtitle {
  font-size: 0.9rem;
  color: #8fa3bf;
  font-weight: 500;
}

.admin-clock {
  text-align: right;
}

.admin-clock__time {
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.admin-clock__date {
  font-size: 0.8rem;
  color: #8fa3bf;
  margin-top: 0.1rem;
}

.admin-layout {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* —— 侧栏 —— */
.admin-sidebar {
  flex-shrink: 0;
  width: 220px;
  padding: 1rem 0.75rem;
  border-right: 1px solid rgba(59, 130, 246, 0.12);
  background: rgba(8, 14, 32, 0.6);
  display: flex;
  flex-direction: column;
}

.admin-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.admin-nav__item {
  margin-bottom: 0.35rem;
}

.admin-nav__btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: #c5d4e8;
  font-size: 0.95rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.admin-nav__btn:hover {
  background: rgba(59, 130, 246, 0.1);
  color: #fff;
}

.admin-nav__btn.is-active {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.55), rgba(59, 130, 246, 0.25));
  color: #fff;
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.2);
}

.admin-nav__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(30, 58, 95, 0.6);
}

.admin-nav__btn.is-active .admin-nav__icon {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.5);
}

.admin-nav__icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.admin-nav__label {
  flex: 1;
}

.admin-nav__chevron {
  opacity: 0.45;
  font-size: 0.75rem;
}

.admin-nav__btn.is-active .admin-nav__chevron {
  opacity: 0;
}

.admin-sidebar__foot {
  padding-top: 0.75rem;
  border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.admin-btn-ghost {
  width: 100%;
  padding: 0.55rem;
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 8px;
  background: transparent;
  color: #8fa3bf;
  font-size: 0.875rem;
  cursor: pointer;
}

.admin-btn-ghost:hover {
  border-color: rgba(59, 130, 246, 0.5);
  color: #e8eef7;
}

/* —— 主内容 —— */
.admin-main {
  flex: 1;
  overflow: auto;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(37, 99, 235, 0.08), transparent),
    #050a1a;
}

.admin-panel {
  display: none;
  animation: adminFadeIn 0.25s ease;
}

.admin-panel.is-active {
  display: block;
}

@keyframes adminFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.admin-panel__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.admin-panel__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.admin-toolbar-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.admin-btn-sm {
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  border: 1px solid rgba(59, 130, 246, 0.35);
  background: rgba(37, 99, 235, 0.15);
  color: #93c5fd;
  font-size: 0.875rem;
  cursor: pointer;
}

.admin-btn-sm:hover {
  background: rgba(37, 99, 235, 0.3);
  color: #fff;
}

.admin-btn-sm--danger {
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
}

.admin-btn-sm--danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.admin-btn-sm--primary {
  border-color: rgba(59, 130, 246, 0.55);
  background: rgba(37, 99, 235, 0.45);
  color: #fff;
}

.admin-btn-sm--primary:hover {
  background: rgba(37, 99, 235, 0.65);
}

.admin-table__ops {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  white-space: nowrap;
}

.admin-alert {
  margin-bottom: 1rem;
  padding: 0.65rem 1rem;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  font-size: 0.875rem;
}

/* 概览卡片 */
.admin-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.admin-metric-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  border-radius: 14px;
  border: 1px solid rgba(59, 130, 246, 0.2);
  background: linear-gradient(145deg, rgba(15, 30, 60, 0.7), rgba(8, 16, 36, 0.85));
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.admin-metric-card__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.4), rgba(59, 130, 246, 0.2));
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.25);
}

.admin-metric-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: #60a5fa;
  fill: none;
  stroke-width: 2;
}

.admin-metric-card__label {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  color: #8fa3bf;
}

.admin-metric-card__value {
  margin: 0;
  font-size: 1.85rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.admin-metric-card__trend {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  color: #4ade80;
}

.admin-metric-card__trend.is-down {
  color: #f87171;
}

.admin-metric-card__trend--muted {
  color: #8fa3bf;
}

/* 内容卡片 */
.admin-card {
  border-radius: 14px;
  border: 1px solid rgba(59, 130, 246, 0.18);
  background: linear-gradient(180deg, rgba(12, 24, 48, 0.85), rgba(8, 14, 32, 0.95));
  overflow: hidden;
}

.admin-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(59, 130, 246, 0.12);
}

.admin-card__head h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.admin-card__link {
  border: none;
  background: none;
  color: #8fa3bf;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0;
}

.admin-card__link:hover {
  color: #60a5fa;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.admin-table th,
.admin-table td {
  padding: 0.75rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid rgba(59, 130, 246, 0.08);
}

.admin-table th {
  color: #8fa3bf;
  font-weight: 500;
  font-size: 0.8rem;
  background: rgba(15, 30, 60, 0.5);
}

.admin-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.06);
}

.admin-table .mono {
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  color: #93c5fd;
}

.admin-table a {
  color: #60a5fa;
  text-decoration: none;
}

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

.admin-poster-thumb {
  width: 48px;
  height: 64px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(59, 130, 246, 0.25);
  vertical-align: middle;
}

.admin-pager {
  margin: 0.75rem 1.25rem 1rem;
  font-size: 0.85rem;
  color: #8fa3bf;
}

.admin-hint {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: #8fa3bf;
}

@media (max-width: 768px) {
  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid rgba(59, 130, 246, 0.12);
  }

  .admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .admin-nav__item {
    margin: 0;
    flex: 1 1 45%;
  }

  .admin-header {
    flex-wrap: wrap;
    height: auto;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }

  .admin-clock__time {
    font-size: 1.2rem;
  }
}

/* 编辑用户弹窗 */
.admin-body--modal-open {
  overflow: hidden;
}

.admin-modal[hidden] {
  display: none !important;
}

.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.admin-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 23, 0.72);
}

.admin-modal__dialog {
  position: relative;
  width: min(520px, 100%);
  max-height: min(90vh, 720px);
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  border: 1px solid rgba(59, 130, 246, 0.35);
  background: linear-gradient(160deg, #0f1e3d, #081224);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.admin-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid rgba(59, 130, 246, 0.15);
}

.admin-modal__head h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.admin-modal__close {
  border: none;
  background: transparent;
  color: #8fa3bf;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.35rem;
}

.admin-modal__close:hover {
  color: #fff;
}

.admin-modal__body {
  padding: 1rem 1.15rem 1.15rem;
  overflow-y: auto;
}

.admin-modal__id {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  color: #8fa3bf;
  word-break: break-all;
}

.admin-modal__field {
  display: block;
  margin-bottom: 0.85rem;
}

.admin-modal__field > span,
.admin-modal__field > legend {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
  color: #8fa3bf;
}

.admin-modal__field input[type="text"] {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid rgba(59, 130, 246, 0.3);
  background: rgba(8, 18, 40, 0.9);
  color: #e2e8f0;
  font-size: 0.9rem;
}

.admin-modal__field input[type="text"]:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.admin-modal__field fieldset {
  margin: 0;
  padding: 0;
  border: none;
}

.admin-modal__radios {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.admin-modal__radios label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: #cbd5e1;
  cursor: pointer;
}

.admin-modal__hint {
  font-weight: 400;
  color: #64748b;
}

.admin-modal__games {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.4rem 0.65rem;
  max-height: 200px;
  overflow-y: auto;
  padding: 0.5rem;
  border-radius: 8px;
  border: 1px solid rgba(59, 130, 246, 0.2);
  background: rgba(8, 18, 40, 0.5);
}

.admin-modal__game-opt {
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: #cbd5e1;
  cursor: pointer;
  line-height: 1.3;
}

.admin-modal__err {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: #fca5a5;
}

.admin-modal__foot {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(59, 130, 246, 0.12);
}