/* ============================================
   Capy-窝 Admin — 现代 SaaS 管理后台
   参考: Vben Admin / Linear / Notion / Stripe
   ============================================ */

:root {
  --admin-bg: #ffffff;
  --admin-card-bg: #ffffff;
  --admin-card-border: #eeeeee;
  --admin-card-radius: 16px;
  --admin-card-shadow: 0 2px 10px rgba(0,0,0,.03);
  --admin-input-height: 44px;
  --admin-input-radius: 12px;
  --admin-input-border: #e5e5e5;
  --admin-input-focus: #111111;
  --admin-primary: #111111;
  --admin-primary-text: #ffffff;
  --admin-secondary-border: #111111;
  --admin-text: #1a1a1a;
  --admin-text-muted: #888888;
  --admin-danger: #fef2f2;
  --admin-danger-text: #dc2626;
  --admin-danger-border: #fecaca;
  --admin-sidebar-w: 240px;
  --admin-header-h: 64px;
  --admin-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --admin-transition: 150ms ease;
}

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

html, body {
  font-family: var(--admin-font);
  font-size: 14px;
  color: var(--admin-text);
  background: var(--admin-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }

/* ----- layout shell ----- */
.admin-shell {
  display: flex;
  min-height: 100vh;
  background: var(--admin-bg);
}

/* ----- sidebar ----- */
.admin-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--admin-sidebar-w);
  background: var(--admin-bg);
  border-right: 1px solid var(--admin-card-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  padding: 0 16px;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  height: var(--admin-header-h);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--admin-text);
  flex-shrink: 0;
}

.admin-brand .brand-icon {
  width: 36px; height: 36px;
  background: var(--admin-primary);
  color: var(--admin-primary-text);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
}
.admin-brand .brand-logo {
  width: 28px !important;
  height: 28px !important;
  min-width: 28px;
  max-width: 28px;
  min-height: 28px;
  max-height: 28px;
  border-radius: 8px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.admin-menu {
  flex: 1;
  padding: 8px 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--admin-text-muted);
  transition: all var(--admin-transition);
}

.admin-menu a:hover {
  background: #f5f5f5;
  color: var(--admin-text);
}

.admin-menu a.active {
  background: #f5f5f5;
  color: var(--admin-text);
  font-weight: 600;
}

.admin-menu a i {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.admin-menu a i svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.8;
}

.admin-side-foot {
  border-top: 1px solid var(--admin-card-border);
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.admin-side-foot a {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--admin-text-muted);
  transition: all var(--admin-transition);
}

.admin-side-foot a:hover {
  background: #f5f5f5;
  color: var(--admin-text);
}

/* ----- main area ----- */
.admin-main {
  margin-left: var(--admin-sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ----- top header ----- */
.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--admin-header-h);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--admin-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  flex-shrink: 0;
}

.admin-topbar-left h1 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.admin-topbar-left .breadcrumb {
  font-size: 12px;
  color: var(--admin-text-muted);
  margin-bottom: 2px;
}

.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-avatar {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: var(--admin-text);
}

/* ----- page content ----- */
.admin-content {
  padding: 32px;
  flex: 1;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.page-header p {
  font-size: 13px;
  color: var(--admin-text-muted);
  margin-top: 4px;
}

/* ----- card ----- */
.card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-card-border);
  border-radius: var(--admin-card-radius);
  box-shadow: var(--admin-card-shadow);
  padding: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

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

.card + .card { margin-top: 16px; }

/* ----- stat card ----- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

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

.stat-card .stat-label {
  font-size: 12px;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-top: 4px;
}

/* ----- grid layouts ----- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.dashboard-grid .wide { grid-column: 1 / -1; }

.two-col {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
  align-items: start;
}

/* ----- table ----- */
.table-wrap {
  overflow-x: auto;
}

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

thead th {
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--admin-card-border);
  white-space: nowrap;
}

tbody td {
  padding: 12px 16px;
  font-size: 13px;
  border-bottom: 1px solid #f5f5f5;
  vertical-align: middle;
}

tbody tr:hover { background: #fafafa; }

/* ----- badge / status ----- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.badge-success { background: #ecfdf5; color: #059669; }
.badge-warning { background: #fffbeb; color: #d97706; }
.badge-danger  { background: #fef2f2; color: #dc2626; }
.badge-neutral { background: #f5f5f5; color: #666; }

/* ===== capy-input / capy-textarea / capy-select — 统一表单组件 ===== */
.capy-input,
.capy-textarea,
.capy-select,
.input {
  height: var(--admin-input-height);
  border-radius: var(--admin-input-radius);
  border: 1px solid var(--admin-input-border);
  background: #fff;
  padding: 0 14px;
  font-size: 14px;
  font-family: var(--admin-font);
  color: var(--admin-text);
  width: 100%;
  transition: border-color var(--admin-transition);
  outline: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  box-shadow: none;
}

.capy-input::-webkit-search-decoration,
.capy-input::-webkit-search-cancel-button,
.capy-input::-webkit-search-results-button,
.capy-input::-webkit-search-results-decoration {
  display: none;
}

.capy-textarea {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
  min-height: 80px;
}

.capy-select {
  cursor: pointer;
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23888' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  text-indent: 0;
}

.capy-select::-ms-expand {
  display: none;
}

.capy-input:focus,
.capy-textarea:focus,
.capy-select:focus,
.input:focus {
  border-color: var(--admin-input-focus);
}

input[type="color"].capy-input,
input[type="color"].input {
  padding: 4px 8px;
  width: 60px;
  cursor: pointer;
}

::placeholder { color: #bbb; }

/* ----- form ----- */
.form-group { margin-bottom: 16px; }

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

.form-hint {
  font-size: 12px;
  color: var(--admin-text-muted);
  margin-top: 4px;
}

/* password toggle */
.pw-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.pw-wrap .capy-input {
  padding-right: 44px;
}
.pw-eye {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px; height: 36px;
  border: none; background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--admin-text-muted);
  border-radius: 8px;
  transition: all var(--admin-transition);
}
.pw-eye:hover { background: #f0f0f0; color: var(--admin-text); }

/* url preview */
.url-preview {
  object-fit: contain;
  border: 1px solid var(--admin-card-border);
  border-radius: 8px;
  padding: 4px;
  background: #fafafa;
}

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

.form-grid .span-2 { grid-column: 1 / -1; }

/* ----- button ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: var(--admin-input-height);
  padding: 0 20px;
  border-radius: var(--admin-input-radius);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--admin-font);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--admin-transition);
  white-space: nowrap;
  outline: none;
  text-decoration: none;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--admin-primary);
  color: var(--admin-primary-text);
  border-color: var(--admin-primary);
}

.btn-primary:hover { opacity: 0.9; }

.btn-secondary {
  background: #fff;
  color: var(--admin-primary);
  border-color: var(--admin-secondary-border);
}

.btn-secondary:hover { background: #f5f5f5; }

.btn-danger {
  background: var(--admin-danger);
  color: var(--admin-danger-text);
  border-color: var(--admin-danger-border);
}

.btn-danger:hover { background: #fee2e2; }

.btn-ghost {
  background: transparent;
  color: var(--admin-text-muted);
  border-color: transparent;
}

.btn-ghost:hover { background: #f5f5f5; color: var(--admin-text); }

.btn-sm {
  height: 34px;
  padding: 0 12px;
  font-size: 13px;
  border-radius: 8px;
}

.btn-icon {
  width: var(--admin-input-height);
  padding: 0;
}

.btn-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ----- toolbar ----- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar .capy-input,
.toolbar .capy-select,
.toolbar .input {
  max-width: 280px;
}

/* ----- pagination ----- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 20px;
}

.pagination button {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--admin-card-border);
  background: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--admin-transition);
}

.pagination button:hover { background: #f5f5f5; }
.pagination button.active {
  background: var(--admin-primary);
  color: var(--admin-primary-text);
  border-color: var(--admin-primary);
}

/* ----- modal ----- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.2);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 150ms ease;
}

.modal {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-card-border);
  border-radius: var(--admin-card-radius);
  box-shadow: 0 20px 60px rgba(0,0,0,.08);
  padding: 24px;
  max-width: 480px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 200ms ease;
}

.modal h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.modal p {
  font-size: 14px;
  color: var(--admin-text-muted);
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ----- toast ----- */
.toast-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #111;
  color: #fff;
  border-radius: 14px;
  padding: 16px 24px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 12px 40px rgba(0,0,0,.18);
  animation: toastIn 250ms ease;
  max-width: 400px;
  text-align: left;
  pointer-events: auto;
  letter-spacing: 0.2px;
}

.toast-success {
  background: #111;
  color: #fff;
}
.toast-success::before {
  content: '';
  width: 22px; height: 22px;
  flex-shrink: 0;
  background: #22c55e;
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
}

.toast-error {
  background: #dc2626;
  color: #fff;
}
.toast-error::before {
  content: '';
  width: 22px; height: 22px;
  flex-shrink: 0;
  background: rgba(255,255,255,.25);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'%3E%3C/line%3E%3Cline x1='6' y1='6' x2='18' y2='18'%3E%3C/line%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
}

@keyframes toastIn {
  from { opacity: 0; transform: scale(.9) translateY(-6px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ----- empty state ----- */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--admin-text-muted);
}

.empty-state svg {
  width: 48px; height: 48px;
  margin-bottom: 12px;
  opacity: 0.3;
}

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

/* ----- search input ----- */
.search-input {
  position: relative;
}

.search-input .capy-input,
.search-input input {
  padding-left: 40px;
}

.search-input svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--admin-text-muted);
  pointer-events: none;
}

/* ----- tree (sidebar-style flat list) ----- */
.tree-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: background var(--admin-transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--admin-font);
  color: var(--admin-text);
}

.tree-item:hover { background: #f5f5f5; }
.tree-item.active { background: #f0f0f0; font-weight: 600; }

.tree-item .tree-indent { color: #ccc; font-size: 11px; flex-shrink: 0; }
.tree-item .tree-icon { width: 22px; flex-shrink: 0; font-size: 14px; }
.tree-item .tree-icon img { width: 20px; height: 20px; border-radius: 4px; object-fit: cover; }
.tree-item .tree-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-item .tree-meta { font-size: 11px; color: var(--admin-text-muted); flex-shrink: 0; }

/* ----- simple list (dashboard) ----- */
.simple-list { display: flex; flex-direction: column; }

.simple-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #f5f5f5;
  font-size: 13px;
}

.simple-list-item:last-child { border-bottom: none; }
.simple-list-item small { color: var(--admin-text-muted); font-size: 12px; }

/* ----- trend mini bars ----- */
.trend-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 120px;
  padding-top: 8px;
}

.trend-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 4px;
}

.trend-bar {
  width: 100%;
  max-width: 32px;
  background: var(--admin-primary);
  border-radius: 4px 4px 0 0;
  min-height: 4px;
  opacity: 0.8;
}

.trend-bar-wrap span {
  font-size: 10px;
  color: var(--admin-text-muted);
}

.trend-bar-wrap em {
  font-size: 10px;
  font-style: normal;
  color: var(--admin-text-muted);
}

/* ----- file browser ----- */
.file-browser { font-size: 13px; }

.file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid #f5f5f5;
  cursor: pointer;
  transition: background var(--admin-transition);
}

.file-row:hover { background: #fafafa; }
.file-row .file-icon { width: 20px; flex-shrink: 0; color: var(--admin-text-muted); }
.file-row .file-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-row .file-size { color: var(--admin-text-muted); font-size: 12px; flex-shrink: 0; }
.file-row .file-badge { flex-shrink: 0; }

/* ----- login page ----- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--admin-bg);
  padding: 24px;
}

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

.login-card .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.login-card .brand-icon {
  width: 42px; height: 42px;
  background: var(--admin-primary);
  color: var(--admin-primary-text);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
}

.login-card .subtitle {
  font-size: 14px;
  color: var(--admin-text-muted);
  margin-bottom: 32px;
}

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

.login-card .btn { width: 100%; }

.login-error {
  background: var(--admin-danger);
  color: var(--admin-danger-text);
  border: 1px solid var(--admin-danger-border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 20px;
}

.login-footer {
  text-align: center;
  font-size: 12px;
  color: var(--admin-text-muted);
  margin-top: 20px;
}

/* ----- loading skeleton ----- */
.skeleton {
  background: #f0f0f0;
  border-radius: 6px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

/* ----- keyframes ----- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ----- utility ----- */
.flex       { display: flex; }
.flex-1     { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8      { gap: 8px; }
.gap-12     { gap: 12px; }
.gap-16     { gap: 16px; }
.mt-16      { margin-top: 16px; }
.mt-24      { margin-top: 24px; }
.mb-16      { margin-bottom: 16px; }
.mb-24      { margin-bottom: 24px; }
.text-muted { color: var(--admin-text-muted); }
.text-sm    { font-size: 13px; }
.text-xs    { font-size: 12px; }
.truncate   { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden     { display: none !important; }
.mono       { font-family: "SF Mono", "Fira Code", "Consolas", monospace; font-size: 12px; }
.code       { font-family: "SF Mono", "Fira Code", "Consolas", monospace; font-size: 12px; background: #f5f5f5; padding: 2px 6px; border-radius: 4px; }

/* ----- checkbox ----- */
.settings-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}
.checkline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  color: var(--admin-text);
}
.checkline input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--admin-primary);
  cursor: pointer;
  flex-shrink: 0;
}

/* ----- responsive ----- */
@media (max-width: 768px) {
  html, body { overflow-x: hidden; max-width: 100vw; }
  body { position: relative; }
  .admin-shell { flex-direction: column; overflow-x: hidden; max-width: 100vw; }
  .admin-main { overflow-x: hidden; }
  .admin-sidebar {
    position: relative; width: 100%; height: auto;
    border-right: none; border-bottom: 1px solid var(--admin-card-border);
    padding: 0 12px 8px; flex-shrink: 0;
  }
  .admin-brand { height: 48px; font-size: 16px; }
  .admin-menu { flex-direction: row; flex-wrap: wrap; gap: 0; padding: 0 0 8px; overflow-x: auto; }
  .admin-menu a { padding: 6px 10px; font-size: 12px; white-space: nowrap; }
  .admin-side-foot { display: none; }
  .admin-main { margin-left: 0; }
  .admin-topbar { height: 48px; padding: 0 12px; }
  .admin-topbar-left h1 { font-size: 14px; }
  .admin-content { padding: 12px; }
  .page-header { flex-direction: column; gap: 8px; }
  .page-header h2 { font-size: 18px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-card { padding: 12px 16px; }
  .stat-card .stat-value { font-size: 22px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar .capy-input,
  .toolbar .capy-select,
  .toolbar .input { max-width: none; }
  .login-card { padding: 24px; }
  .btn-group { flex-wrap: wrap; }
  .settings-checks { flex-direction: column; gap: 8px; }
  table { font-size: 12px; }
  thead th, tbody td { padding: 8px 10px; }
  .file-row { padding: 8px 10px; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: calc(100vw - 24px); }
  .modal { max-width: 95vw; padding: 16px; }
  .modal h3 { font-size: 14px; }
  .file-browser { overflow-x: hidden; }
}

/* V7 admin polish */
:root {
  --admin-bg: #f6f8fb;
  --admin-card-bg: rgba(255, 255, 255, .88);
  --admin-card-border: rgba(226, 232, 240, .9);
  --admin-card-shadow: 0 18px 54px rgba(15, 23, 42, .06);
  --admin-primary: #111827;
  --admin-input-focus: #2563eb;
}

body {
  background:
    radial-gradient(circle at 0% 0%, rgba(37, 99, 235, .08), transparent 28rem),
    radial-gradient(circle at 100% 0%, rgba(14, 165, 233, .07), transparent 26rem),
    var(--admin-bg);
}

.admin-sidebar,
.admin-topbar,
.card,
.login-card,
.modal {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.admin-sidebar {
  background: rgba(255, 255, 255, .82);
}

.admin-topbar {
  background: rgba(255, 255, 255, .72);
}

.admin-menu a,
.admin-side-foot a,
.btn,
.capy-input,
.capy-textarea,
.capy-select {
  transition: transform var(--admin-transition), background var(--admin-transition), border-color var(--admin-transition), box-shadow var(--admin-transition), color var(--admin-transition);
}

.admin-menu a:hover,
.admin-menu a.active {
  background: #111827;
  color: #fff;
  box-shadow: 0 12px 28px rgba(15, 23, 42, .12);
}

.capy-input:focus,
.capy-textarea:focus,
.capy-select:focus,
.input:focus {
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .1);
}

.btn-primary {
  background: linear-gradient(135deg, #111827, #2563eb);
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(37, 99, 235, .18);
}

.btn:hover {
  transform: translateY(-1px);
}

.admin-login-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(37, 99, 235, .18), transparent 34rem),
    radial-gradient(circle at 90% 20%, rgba(124, 58, 237, .14), transparent 32rem),
    linear-gradient(180deg, #f8fafc, #eef2f7);
}

.admin-login-body .login-wrap {
  background: transparent;
}

.login-card {
  max-width: 430px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, .8);
  box-shadow: 0 30px 90px rgba(15, 23, 42, .16);
}

.login-card .brand {
  align-items: center;
}

.login-card .brand strong {
  display: block;
  line-height: 1.2;
}

.login-card .brand small {
  display: block;
  margin-top: 2px;
  color: var(--admin-text-muted);
  font-size: 12px;
  font-weight: 600;
}

.login-card .brand-icon,
.admin-brand .brand-icon {
  background: linear-gradient(135deg, #111827, #2563eb);
}

.hide-sm {
  display: inline-flex;
}

@media (max-width: 768px) {
  .hide-sm {
    display: none !important;
  }
  .admin-topbar-right {
    gap: 8px;
  }
  .login-wrap {
    padding: 16px;
  }
  .login-card {
    border-radius: 24px;
  }
}

/* V8 backend UI hardening: login shell + icon size guard */
body.admin-login-page {
  min-height: 100vh;
  margin: 0;
  color: #172033;
  background:
    radial-gradient(circle at 18% 8%, rgba(37, 99, 235, .22), transparent 26rem),
    radial-gradient(circle at 84% 14%, rgba(124, 58, 237, .16), transparent 28rem),
    linear-gradient(145deg, #f8fafc 0%, #eef4ff 48%, #f5f7fb 100%) !important;
}

.admin-login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.admin-login-page .login-card {
  width: min(430px, 100%);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: 30px;
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 30px 90px rgba(15, 23, 42, .16);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.login-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.admin-login-page .brand-icon,
.login-logo .brand-icon {
  width: 58px;
  height: 58px;
  max-width: 64px;
  max-height: 64px;
  border-radius: 20px;
  background: linear-gradient(135deg, #111827, #2563eb 55%, #7c3aed);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 950;
  box-shadow: 0 18px 44px rgba(37, 99, 235, .22);
}

.login-title {
  margin: 0;
  text-align: center;
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.login-subtitle {
  margin: 8px 0 26px;
  text-align: center;
  color: #64748b;
  font-weight: 700;
}

.input-group {
  margin-bottom: 18px;
}

.admin-login-page .capy-input {
  height: 48px;
  border-radius: 16px;
  border: 1px solid #dbe3ef;
  padding: 0 15px;
  background: rgba(255, 255, 255, .92);
}

.admin-login-page .capy-input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}

.admin-login-page .login-submit {
  width: 100%;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, #111827, #2563eb 58%, #7c3aed);
  color: #fff;
  box-shadow: 0 16px 36px rgba(37, 99, 235, .22);
}

.database-info {
  margin-top: 18px;
  text-align: center;
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
}

.admin-shell img,
.admin-shell svg,
.admin-login-page img,
.admin-login-page svg,
.admin-brand img,
.admin-brand svg,
.brand-logo,
.brand-icon,
.tree-icon img,
.admin-avatar img {
  max-width: 64px;
  max-height: 64px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.admin-menu a i svg,
.search-input svg,
.pw-eye svg {
  width: 18px;
  height: 18px;
  max-width: 18px;
  max-height: 18px;
}

.admin-brand .brand-logo {
  width: 32px !important;
  height: 32px !important;
}

.admin-brand .brand-icon {
  width: 36px;
  height: 36px;
  max-width: 36px;
  max-height: 36px;
}

@media (max-width: 520px) {
  .admin-login-shell {
    padding: 16px;
  }
  .admin-login-page .login-card {
    padding: 24px;
    border-radius: 24px;
  }
  .login-title {
    font-size: 23px;
  }
}