/* =============================================
   蛛网商业版 — 分销代理看板 (暗色主题)
   ============================================= */

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #1f2940;
  --bg-hover: #253050;
  --bg-input: #0f3460;
  --bg-input-focus: #1a4a7a;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --accent-dim: #a83045;
  --accent-glow: rgba(233, 69, 96, 0.25);
  --text-primary: #e8e8f0;
  --text-secondary: #8a8aaa;
  --text-dim: #5a5a7a;
  --text-accent: #e94560;
  --border: #2a2a4a;
  --border-focus: #e94560;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --info: #3498db;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --transition: 0.2s ease;
  --sidebar-width: 240px;
  --header-height: 64px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---- Login ---- */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.login-card .logo {
  text-align: center;
  margin-bottom: 36px;
}

.login-card .logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.login-card .logo h1 span {
  color: var(--accent);
}

.login-card .logo p {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 6px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group label .required {
  color: var(--accent);
  margin-left: 2px;
}

.form-input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  transition: border var(--transition), background var(--transition);
  outline: none;
}

.form-input::placeholder {
  color: var(--text-dim);
}

.form-input:focus {
  border-color: var(--border-focus);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input.error {
  border-color: var(--danger);
}

.form-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
  display: none;
}

.form-error.visible {
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  outline: none;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #d63650);
  color: #fff;
  width: 100%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-sm {
  height: 34px;
  padding: 0 14px;
  font-size: 13px;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--text-accent);
  background: rgba(233, 69, 96, 0.08);
}

.login-error {
  background: rgba(231, 76, 60, 0.12);
  border: 1px solid rgba(231, 76, 60, 0.35);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.login-error.visible {
  display: block;
}

/* ---- App Shell ---- */
.app-shell {
  display: none;
  min-height: 100vh;
}

.app-shell.active {
  display: block;
}

/* ---- Sidebar ---- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-brand h2 {
  font-size: 17px;
  font-weight: 700;
}

.sidebar-brand h2 span {
  color: var(--accent);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  font-size: 14px;
  font-weight: 500;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(233, 69, 96, 0.08);
  color: var(--text-accent);
  border-left-color: var(--accent);
}

.nav-item .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.nav-user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #d63650);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.nav-user-info {
  flex: 1;
  min-width: 0;
}

.nav-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.nav-user-role {
  font-size: 11px;
  color: var(--text-dim);
}

.btn-logout {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  height: 34px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-logout:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ---- Main Content ---- */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  padding: 24px 32px;
}

.page-header {
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 700;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* ---- Cards ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-2px);
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-card .stat-value.accent {
  color: var(--accent);
}

.stat-card .stat-value.success {
  color: var(--success);
}

.stat-card .stat-value.info {
  color: var(--info);
}

/* ---- Tables ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.card-body {
  padding: 0;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table thead {
  background: var(--bg-secondary);
}

table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

table td {
  padding: 12px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

table tbody tr:hover {
  background: var(--bg-hover);
}

table tbody tr:last-child td {
  border-bottom: none;
}

/* ---- Status badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-success {
  background: rgba(46, 204, 113, 0.15);
  color: var(--success);
}

.badge-warning {
  background: rgba(243, 156, 18, 0.15);
  color: var(--warning);
}

.badge-danger {
  background: rgba(231, 76, 60, 0.15);
  color: var(--danger);
}

.badge-info {
  background: rgba(52, 152, 219, 0.15);
  color: var(--info);
}

.badge-default {
  background: rgba(138, 138, 170, 0.15);
  color: var(--text-secondary);
}

/* ---- Search / Filters ---- */
.search-bar {
  display: flex;
  gap: 10px;
  align-items: center;
}

.search-input {
  height: 34px;
  padding: 0 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border var(--transition);
  min-width: 200px;
}

.search-input:focus {
  border-color: var(--accent);
}

/* ---- Withdraw ---- */
.withdraw-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.withdraw-balance {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
}

.withdraw-balance .balance-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.withdraw-balance .balance-amount {
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.withdraw-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.withdraw-form h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8aaa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

select.form-input option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ---- Commissions summary ---- */
.commission-summary {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.summary-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
}

.summary-chip .chip-value {
  font-weight: 700;
}

.summary-chip .chip-value.accent {
  color: var(--accent);
}

/* ---- Loading & Empty ---- */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-dim);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-dim);
}

.empty-state .empty-icon {
  font-size: 36px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 14px;
}

/* ---- Toasts ---- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 13px;
  box-shadow: var(--shadow);
  animation: toastIn 0.3s ease;
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-info { border-left: 3px solid var(--info); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast-out {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(24px); }
}

/* ---- Section visibility ---- */
.page-section {
  display: none;
}

.page-section.active {
  display: block;
}

/* ---- Mobile toggle ---- */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .withdraw-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.visible {
    display: block;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-header h1 {
    font-size: 20px;
  }

  .search-input {
    min-width: 140px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .login-card {
    padding: 32px 24px 28px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

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

  table {
    font-size: 12px;
  }

  table th,
  table td {
    padding: 8px 10px;
  }
}