/* 后台：深色侧栏 + 浅色内容区，信息密度优先 */
.admin-page {
  background: var(--bg);
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* 侧栏 */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  width: 220px;
  padding: 20px 12px 14px;
  background: #0b1b33;
  color: #b9c7db;
}

.side-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 8px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.side-brand .brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--blue-700);
  color: #fff;
}

.side-brand strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}

.side-brand small {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: #7f90a8;
}

.side-nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 2px;
  margin-top: 16px;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 38px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: #b9c7db;
  font-size: 13px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.side-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  text-decoration: none;
}

.side-link.is-active {
  background: rgba(59, 130, 246, 0.16);
  box-shadow: inset 2px 0 0 var(--blue-500);
  color: #fff;
}

.side-link svg {
  color: #8fa1b8;
}

.side-link.is-active svg {
  color: #7fb0ff;
}

.side-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.side-user {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.side-avatar {
  display: grid;
  flex: none;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #1d2e4a;
  color: #cfe0ff;
  font-size: 11px;
  font-weight: 600;
}

.side-user-name {
  overflow: hidden;
  font-size: 12px;
  color: #dce5f2;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.side-logout {
  display: grid;
  flex: none;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: #8fa1b8;
}

.side-logout:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

/* 主区域 */
.main {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  margin-left: 220px;
  padding: 28px 32px 48px;
}

.main-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.main-head h1 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.main-sub {
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-500);
}

.main-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.view-root {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 16px;
}

/* 概览 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.stat-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-500);
}

.stat-value {
  margin-top: 8px;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat-meta {
  margin-top: 5px;
  font-size: 11px;
  color: var(--ink-400);
}

.dash-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.panel-title {
  font-size: 14px;
  font-weight: 600;
}

.panel-desc {
  margin-top: 2px;
  font-size: 12px;
  color: var(--ink-400);
}

.panel-body {
  padding: 16px 18px;
}

.panel-body.is-flush {
  padding: 0;
}

/* 近 7 天领取柱状图 */
.chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 168px;
  padding-top: 4px;
}

.chart-col {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  min-width: 0;
}

.chart-value {
  font-size: 11px;
  color: var(--ink-500);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.chart-track {
  display: flex;
  flex: 1;
  align-items: flex-end;
  width: 100%;
  max-width: 44px;
  overflow: hidden;
  background: transparent;
  border-bottom: 1px solid var(--line-soft);
  border-radius: 0;
}

.chart-bar {
  width: 100%;
  min-height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--blue-700);
}

.chart-col.is-empty .chart-bar {
  background: #dce4f0;
}

.chart-label {
  font-size: 11px;
  color: var(--ink-400);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.chart-summary {
  display: flex;
  gap: 18px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--ink-500);
}

.chart-summary strong {
  color: var(--ink-900);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* 最近领取：活动列表，避免窄表格截断奖励文字 */
.recent-list {
  display: flex;
  flex-direction: column;
}

.recent-item {
  padding: 11px 18px;
  border-bottom: 1px solid var(--line-soft);
}

.recent-item:last-child {
  border-bottom: 0;
}

.recent-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.recent-phone {
  font-size: 11px;
  color: var(--ink-500);
}

.recent-time {
  margin-left: auto;
  font-size: 11px;
  color: var(--ink-400);
  white-space: nowrap;
}

.recent-text {
  margin-top: 4px;
  overflow: hidden;
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-700);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* 奖励列表 */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.toolbar-search {
  position: relative;
  flex: 1;
  min-width: 190px;
  max-width: 300px;
}

.toolbar-search svg {
  position: absolute;
  top: 50%;
  left: 10px;
  transform: translateY(-50%);
  color: var(--ink-400);
  pointer-events: none;
}

.toolbar-search .input {
  padding-left: 32px;
}

.toolbar-select {
  width: 118px;
}

.toolbar-spacer {
  flex: 1;
}

.toolbar-group {
  display: flex;
  gap: 6px;
}

.batch-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  background: var(--blue-50);
  border-bottom: 1px solid #cfe0ff;
  font-size: 12px;
  color: #1249a8;
}

.batch-bar strong {
  font-variant-numeric: tabular-nums;
}

.batch-bar .btn {
  background: #fff;
}

.cell-thumb {
  width: 34px;
  height: 34px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #f4f7fb;
}

.cell-thumb-empty {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px dashed var(--line-strong);
  border-radius: 5px;
  color: var(--ink-400);
  font-size: 10px;
}

.cell-check {
  width: 15px;
  height: 15px;
  accent-color: var(--blue-700);
  cursor: pointer;
}

/* 奖励列表：固定列宽，保证时间列与奖励文字都可读 */
.reward-table {
  table-layout: fixed;
  min-width: 1088px;
}

.reward-table th,
.reward-table td {
  padding-right: 10px;
  padding-left: 10px;
}

.reward-table .reward-cell {
  max-width: none;
}

.reward-table .row-actions {
  gap: 2px;
}

.reward-table .row-actions .btn-sm {
  padding: 0 8px;
}

.code-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-700);
  white-space: nowrap;
}

.reward-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: 300px;
}

.reward-text {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 13px;
  color: var(--ink-700);
}

.reward-image-path {
  overflow: hidden;
  max-width: 300px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-400);
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* 表单 */
.form-grid {
  display: grid;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.image-input {
  display: flex;
  gap: 8px;
}

.image-input .input {
  font-family: var(--font-mono);
  font-size: 12px;
}

.image-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  padding: 10px;
  margin-top: 10px;
  background: #f6f8fc;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.image-preview img {
  max-height: 150px;
  object-fit: contain;
}

.image-preview-empty {
  font-size: 12px;
  color: var(--ink-400);
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 26px 16px;
  background: #fbfcfe;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink-500);
  font-size: 13px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.dropzone:hover,
.dropzone.is-drag {
  border-color: var(--blue-500);
  background: var(--blue-50);
}

.dropzone svg {
  width: 22px;
  height: 22px;
  color: var(--blue-700);
}

.dropzone strong {
  display: block;
  width: 100%;
  color: var(--ink-700);
  font-weight: 500;
}

.dropzone small {
  display: block;
  width: 100%;
  font-size: 11px;
  color: var(--ink-400);
}

.file-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  margin-top: 10px;
  background: var(--blue-50);
  border: 1px solid #cfe0ff;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: #1249a8;
}

.file-chip span {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.import-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.radio {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-700);
  cursor: pointer;
}

.radio input {
  margin-top: 3px;
  accent-color: var(--blue-700);
}

.radio small {
  display: block;
  color: var(--ink-400);
  font-size: 11px;
}

.import-result {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.result-counts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 13px;
  color: var(--ink-700);
}

.result-counts b {
  font-variant-numeric: tabular-nums;
}

.error-list {
  max-height: 180px;
  overflow: auto;
  padding: 8px 10px;
  background: var(--danger-bg);
  border: 1px solid #f5c6c0;
  border-radius: var(--radius-sm);
  color: #8e2c24;
  font-size: 12px;
  line-height: 1.7;
}

.error-list li {
  display: flex;
  gap: 8px;
}

.error-list .row-no {
  flex: none;
  font-family: var(--font-mono);
  opacity: 0.75;
}

.spinner-dark {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(23, 92, 211, 0.25);
  border-top-color: var(--blue-700);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.is-loading .spinner-dark {
  display: inline-block;
}

/* 登录页 */
.login-page {
  min-height: 100vh;
  background: var(--bg);
}

.login-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  min-height: 100vh;
}

.login-brand {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 44px 52px;
  background: #0b1b33;
  color: #fff;
}

.login-brand .brand {
  color: #fff;
}

.login-brand .brand:hover {
  text-decoration: none;
}

.login-brand .brand-sub {
  color: #7f90a8;
}

.login-brand-body {
  max-width: 420px;
}

.login-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: #7fb0ff;
}

.login-brand h1 {
  margin-top: 14px;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.login-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
  font-size: 13px;
  color: #b9c7db;
}

.login-points li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-points li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--blue-500);
  border-radius: 1px;
}

.login-brand-foot {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #5f7189;
}

.login-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.login-card h2 {
  font-size: 20px;
  font-weight: 600;
}

.login-sub {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-500);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 22px;
}

.login-form .alert {
  margin-top: 0;
}

.password-field {
  position: relative;
  display: block;
}

.password-field .input {
  padding-right: 42px;
}

.password-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  display: grid;
  place-items: center;
  width: 32px;
  height: 30px;
  border-radius: 4px;
  color: var(--ink-400);
  transform: translateY(-50%);
}

.password-toggle:hover {
  background: #f1f4f9;
  color: var(--ink-700);
}

.login-foot {
  margin-top: 14px;
  font-size: 11px;
  color: var(--ink-400);
  text-align: center;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1100px) {
  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dash-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .login-layout {
    grid-template-columns: 1fr;
  }

  .login-brand {
    display: none;
  }
}

@media (max-width: 860px) {
  .admin-layout {
    flex-direction: column;
  }

  .sidebar {
    position: static;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
  }

  .side-brand {
    padding: 0;
    border: 0;
  }

  .side-brand small {
    display: none;
  }

  .side-nav {
    flex: 1;
    flex-direction: row;
    margin: 0;
    overflow-x: auto;
  }

  .side-link {
    height: 34px;
    white-space: nowrap;
  }

  .side-link.is-active {
    box-shadow: inset 0 -2px 0 var(--blue-500);
  }

  .side-foot {
    padding: 0;
    border: 0;
  }

  .side-user-name {
    display: none;
  }

  .main {
    margin-left: 0;
    padding: 18px 16px 40px;
  }

  .main-head {
    flex-direction: column;
    gap: 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat-value {
    font-size: 22px;
  }

  .toolbar-actions {
    width: 100%;
  }

  .login-main {
    padding: 20px;
  }

  .login-card {
    padding: 24px;
  }
}