/* ==========================================================================
   L2 Lab (l2lab.ru) — Personal Cabinet & Admin Suite Design System
   Precision Engineering: Obsidian Carbon + Signal Vermilion (#FF5520)
   ========================================================================== */

:root {
  --lk-font-display: 'Geologica', sans-serif;
  --lk-font-sans: 'Golos Text', -apple-system, sans-serif;
  --lk-font-mono: 'JetBrains Mono', monospace;
  --lk-accent: #FF5520;
  --lk-accent-hover: #FF6B3D;
  --lk-status-live: #10B981;
  --lk-status-amber: #F59E0B;
  --lk-radius-sm: 10px;
  --lk-radius-md: 14px;
  --lk-radius-lg: 20px;
}

[data-theme="dark"] {
  --lk-bg-canvas: #0A0B0E;
  --lk-bg-surface: #111318;
  --lk-bg-card: #181B22;
  --lk-bg-elevated: #20242D;
  --lk-text-primary: #F4F3EF;
  --lk-text-secondary: #9CA3B0;
  --lk-text-muted: #646D7D;
  --lk-border: rgba(255, 255, 255, 0.08);
  --lk-border-strong: rgba(255, 255, 255, 0.16);
  --lk-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --lk-bg-canvas: #F5F4F0;
  --lk-bg-surface: #FFFFFF;
  --lk-bg-card: #F9F8F5;
  --lk-bg-elevated: #EFECE6;
  --lk-text-primary: #0E1015;
  --lk-text-secondary: #4E5563;
  --lk-text-muted: #717886;
  --lk-border: rgba(14, 16, 21, 0.10);
  --lk-border-strong: rgba(14, 16, 21, 0.18);
  --lk-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--lk-bg-canvas);
  color: var(--lk-text-primary);
  font-family: var(--lk-font-sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.lk-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* ================= HEADER ================= */
.lk-header {
  height: 68px;
  background: var(--lk-bg-surface);
  border-bottom: 1px solid var(--lk-border);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.lk-nav-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lk-brand-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lk-badge-portal {
  font-family: var(--lk-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--lk-bg-elevated);
  color: var(--lk-text-secondary);
  border: 1px solid var(--lk-border);
  text-transform: uppercase;
}

.lk-user-panel {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.lk-user-info {
  display: none !important;
}

/* ================= MAIN CONTENT ================= */
.lk-main-content {
  flex: 1;
  padding: 32px 0 60px;
}

/* ================= BENTO CARDS & CORNER BRACKETS ================= */
.bento-card {
  background: var(--lk-bg-surface);
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-md);
  padding: 26px 28px;
  box-shadow: var(--lk-shadow);
  position: relative;
  box-sizing: border-box;
}

.card-badge {
  font-family: var(--lk-font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--lk-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 16px;
}

.card-header-row h3 {
  margin: 4px 0 0;
  font-family: var(--lk-font-display);
  font-size: 20px;
}

.muted-desc {
  font-size: 14px;
  color: var(--lk-text-secondary);
  line-height: 1.5;
  margin: 4px 0 0;
}

/* ================= AUTH SECTION ================= */
.auth-section {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 160px);
  padding: 20px 0;
}

.auth-card {
  width: 100%;
  max-width: 480px;
  padding: 34px 36px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: var(--lk-bg-canvas);
  padding: 5px;
  border-radius: var(--lk-radius-sm);
  margin-bottom: 24px;
}

.auth-tab-btn {
  padding: 10px;
  font-family: var(--lk-font-sans);
  font-size: 13.5px;
  font-weight: 600;
  background: transparent;
  color: var(--lk-text-secondary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.auth-tab-btn.active {
  background: var(--lk-bg-surface);
  color: var(--lk-text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.auth-form-header {
  margin-bottom: 20px;
}

.auth-form-header h3 {
  font-family: var(--lk-font-display);
  font-size: 22px;
  margin: 0 0 6px;
}

.auth-form-header p {
  font-size: 13.5px;
  color: var(--lk-text-secondary);
  line-height: 1.5;
  margin: 0;
}

.auth-icon-circle {
  font-size: 32px;
  margin-bottom: 12px;
}

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

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

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

.auth-link-subtle {
  font-size: 12.5px;
  color: var(--lk-accent);
  text-decoration: none;
}

.auth-link-subtle:hover {
  text-decoration: underline;
}

.input-text,
.input-select,
.input-textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--lk-bg-canvas);
  border: 1px solid var(--lk-border-strong);
  border-radius: var(--lk-radius-sm);
  padding: 12px 14px;
  font-family: var(--lk-font-sans);
  font-size: 14.5px;
  color: var(--lk-text-primary);
  outline: none;
  transition: border-color 0.2s ease;
}

.input-text:focus,
.input-select:focus,
.input-textarea:focus {
  border-color: var(--lk-accent);
}

.input-code {
  font-family: var(--lk-font-mono);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 8px;
  text-align: center;
  padding: 14px;
  background: var(--lk-bg-canvas);
  border: 2px solid var(--lk-border-strong);
  border-radius: var(--lk-radius-sm);
  color: var(--lk-accent);
  width: 220px;
  box-sizing: border-box;
  outline: none;
  margin: 8px auto 0;
  display: block;
}

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

.input-hint {
  font-size: 11.5px;
  margin-top: 4px;
  display: block;
  color: var(--lk-text-muted);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 14px 20px;
  font-size: 15px;
}

.auth-footer-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  gap: 10px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--lk-accent);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
}

.btn-link:hover {
  text-decoration: underline;
}

/* ================= SUBNAV TABS ================= */
.lk-subnav {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.lk-nav-tab {
  background: var(--lk-bg-surface);
  border: 1px solid var(--lk-border);
  color: var(--lk-text-secondary);
  font-family: var(--lk-font-mono);
  font-size: 12.5px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--lk-radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.lk-nav-tab:hover {
  color: var(--lk-text-primary);
  border-color: var(--lk-border-strong);
}

.lk-nav-tab.active {
  background: var(--lk-accent);
  color: #FFFFFF;
  border-color: var(--lk-accent);
}

/* ================= TABLES ================= */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.data-table th {
  background: var(--lk-bg-canvas);
  color: var(--lk-text-secondary);
  font-family: var(--lk-font-mono);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  border-bottom: 1px solid var(--lk-border);
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--lk-border);
  color: var(--lk-text-primary);
  font-variant-numeric: tabular-nums;
}

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

.badge-status {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
}

.badge-status.live {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
}

.badge-status.pending {
  background: rgba(245, 158, 11, 0.15);
  color: #F59E0B;
}

.badge-status.admin {
  background: rgba(255, 85, 32, 0.15);
  color: var(--lk-accent);
}

/* ================= GRIDS & STATS ================= */
.bento-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.bento-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.bento-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.dev-task-card {
  background: var(--lk-bg-canvas);
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-sm);
  padding: 18px 20px;
  margin-bottom: 14px;
  transition: border-color 0.2s ease;
}

.dev-task-card:hover {
  border-color: var(--lk-border-strong);
}

.dev-task-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  gap: 12px;
}

.dev-task-id {
  font-family: var(--lk-font-mono);
  font-size: 11px;
  color: var(--lk-text-muted);
  font-weight: 600;
}

.dev-task-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--lk-text-primary);
  margin: 2px 0 0;
}

.dev-task-desc {
  font-size: 13.5px;
  color: var(--lk-text-secondary);
  line-height: 1.5;
  margin: 6px 0 12px;
  white-space: pre-wrap;
}

.dev-report-box {
  background: rgba(16, 185, 129, 0.08);
  border-left: 3px solid #10B981;
  padding: 12px 14px;
  border-radius: 6px;
  margin: 10px 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--lk-text-primary);
}

.dev-question-box {
  background: rgba(245, 158, 11, 0.1);
  border-left: 3px solid #F59E0B;
  padding: 12px 14px;
  border-radius: 6px;
  margin: 10px 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--lk-text-primary);
}

.dev-task-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.stat-metric-box {
  padding: 20px 22px;
}

.stat-label {
  font-family: var(--lk-font-mono);
  font-size: 11px;
  color: var(--lk-text-secondary);
  letter-spacing: 0.05em;
  font-weight: 600;
}

.stat-num {
  font-family: var(--lk-font-display);
  font-size: 34px;
  font-weight: 800;
  color: var(--lk-text-primary);
  font-variant-numeric: tabular-nums;
  margin: 6px 0 4px;
}

.stat-note {
  font-size: 12px;
  color: var(--lk-text-muted);
}

/* ================= 14-DAY ANALYTICS CHART ================= */
.chart-scroll-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  padding-bottom: 6px;
}

.mini-chart-container {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 180px;
  padding: 24px 8px 8px;
  border-bottom: 1px solid var(--lk-border);
  min-width: 560px;
}

.chart-scroll-hint {
  display: none;
  font-size: 11.5px;
  color: var(--lk-text-muted);
  font-family: var(--lk-font-mono);
}

.analytics-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card-traffic-sources {
  display: flex;
  flex-direction: column;
}

.stat-sources-wrap {
  margin-top: 8px;
  max-height: 140px;
  overflow-y: auto;
}

.data-table-compact {
  font-size: 11.5px;
  width: 100%;
}

.data-table-compact th,
.data-table-compact td {
  padding: 4px 6px;
}

.data-table-compact td:first-child {
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chart-bar-wrap {
  flex: 1;
  min-width: 32px;
  max-width: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  position: relative;
  cursor: pointer;
}

.chart-bar-wrap:hover .chart-bar {
  filter: brightness(1.15);
}

.chart-bar-wrap:hover .chart-bar-num {
  color: var(--lk-accent);
  font-weight: 700;
}

.chart-bar-num {
  font-family: var(--lk-font-mono);
  font-size: 11px;
  color: var(--lk-text-muted);
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  transition: all 0.2s ease;
}

.chart-bar-track {
  width: 18px;
  height: 110px;
  background: rgba(255, 85, 32, 0.08);
  border-radius: 4px 4px 0 0;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border: 1px solid rgba(255, 85, 32, 0.12);
}

.chart-bar {
  width: 100%;
  background: var(--lk-accent);
  border-radius: 3px 3px 0 0;
  min-height: 0;
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.chart-bar-label {
  font-family: var(--lk-font-mono);
  font-size: 10.5px;
  color: var(--lk-text-muted);
  margin-top: 8px;
  white-space: nowrap;
}

/* ================= "REMEMBER ME" AUTH CHECKBOX ================= */
.lk-remember-me {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--lk-text-secondary);
  cursor: pointer;
  margin: -4px 0 16px;
  user-select: none;
}

.lk-remember-me input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--lk-accent);
  cursor: pointer;
}

/* ================= WEBMAIL 3-PANE CLIENT ================= */
.webmail-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  margin-bottom: 14px;
  gap: 12px;
  flex-wrap: wrap;
}

.webmail-toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 260px;
}

.webmail-select-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--lk-text-muted);
  white-space: nowrap;
}

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

.webmail-layout {
  display: flex;
  padding: 0 !important;
  overflow: hidden;
  min-height: 580px;
  position: relative;
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-md);
}

.webmail-sidebar {
  width: 220px;
  flex-shrink: 0;
  border-right: 1px solid var(--lk-border);
  background: var(--lk-bg-canvas);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.webmail-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px 10px;
}

.btn-sidebar-close {
  display: none;
  background: transparent;
  border: none;
  color: var(--lk-text-muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.btn-sidebar-close:hover {
  color: var(--lk-text-primary);
  background: var(--lk-bg-surface-hover);
}

.webmail-sidebar-title {
  font-family: var(--lk-font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--lk-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.webmail-folder-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--lk-radius-sm);
  border: none;
  background: transparent;
  color: var(--lk-text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.webmail-folder-btn:hover {
  background: var(--lk-bg-surface-hover);
  color: var(--lk-text-primary);
}

.webmail-folder-btn.active {
  background: rgba(255, 85, 32, 0.12);
  color: var(--lk-accent);
  font-weight: 600;
}

.webmail-msg-pane {
  flex: 1;
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  background: var(--lk-bg-surface);
}

.webmail-msg-pane.is-hidden {
  display: none !important;
}

.webmail-msg-search {
  padding: 12px 14px;
  border-bottom: 1px solid var(--lk-border);
}

.webmail-msg-list {
  flex: 1;
  overflow-y: auto;
  max-height: 560px;
}

.webmail-msg-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--lk-border);
  cursor: pointer;
  transition: background 0.15s ease;
}

.webmail-msg-item:hover {
  background: var(--lk-bg-surface-hover);
}

.webmail-msg-item.active {
  background: rgba(255, 85, 32, 0.08);
  border-left: 3px solid var(--lk-accent);
}

.webmail-msg-check {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.webmail-msg-check input[type="checkbox"],
.mail-select-all-label input[type="checkbox"] {
  width: 17px;
  height: 17px;
  cursor: pointer;
  accent-color: var(--lk-accent);
  margin: 0;
}

.webmail-msg-content-wrap {
  flex: 1;
  min-width: 0;
}

.star-chip {
  font-size: 13px;
  margin-right: 4px;
}

.webmail-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  background: var(--lk-bg-surface-hover);
  border-bottom: 1px solid var(--lk-border);
  gap: 10px;
  flex-wrap: wrap;
}

.webmail-actions-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mail-select-all-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--lk-text-secondary);
}

.webmail-actions-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-mail-action {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--lk-bg-surface);
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-sm);
  color: var(--lk-text-primary);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.4;
}

.btn-mail-action:hover {
  background: var(--lk-bg-canvas);
  border-color: var(--lk-accent);
  color: var(--lk-accent);
}

.btn-mail-action.danger:hover {
  border-color: #EF4444;
  color: #EF4444;
}

.webmail-edge-drawer-btn {
  display: none;
  position: fixed;
  left: 0;
  top: 48%;
  transform: translateY(-50%);
  width: 22px;
  height: 64px;
  background: var(--lk-accent);
  color: #ffffff;
  border: none;
  border-radius: 0 10px 10px 0;
  box-shadow: 2px 0 12px rgba(255, 85, 32, 0.45);
  z-index: 9998;
  cursor: pointer;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.webmail-edge-drawer-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.webmail-msg-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.webmail-msg-author {
  font-weight: 600;
  font-size: 13px;
  color: var(--lk-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.webmail-msg-date {
  font-family: var(--lk-font-mono);
  font-size: 10.5px;
  color: var(--lk-text-muted);
  white-space: nowrap;
}

.webmail-msg-subj {
  font-size: 13px;
  color: var(--lk-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.webmail-reader-pane {
  flex: 1;
  min-width: 0;
  width: 100%;
  background: var(--lk-bg-canvas);
  display: none;
  flex-direction: column;
  overflow-y: auto;
  max-height: 580px;
}

.webmail-reader-pane.is-open {
  display: flex !important;
}

.webmail-reader-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 400px;
  color: var(--lk-text-muted);
  padding: 32px;
  text-align: center;
}

.webmail-reader-empty .empty-icon {
  font-size: 42px;
  margin-bottom: 12px;
  opacity: 0.6;
}

.webmail-reader-empty .empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--lk-text-primary);
  margin-bottom: 6px;
}

.webmail-reader-empty .empty-sub {
  font-size: 13px;
  max-width: 320px;
  line-height: 1.5;
}

.webmail-reader-content {
  padding: 20px 24px;
}

.reader-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--lk-border);
}

.webmail-reader-back-btn,
.webmail-mobile-back {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.webmail-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 9999;
}

.webmail-backdrop.open {
  display: block !important;
}

.reader-attachments-box {
  margin-top: 18px;
  padding: 12px 14px;
  background: var(--lk-bg-surface);
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-sm);
}

.reader-attachments-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--lk-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.reader-attachments-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reader-att-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lk-border);
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--lk-text-primary);
  font-family: var(--lk-font-mono);
}

.mail-attach-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.mail-attachments-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.mail-att-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lk-border);
  border-radius: 6px;
  font-size: 13px;
}

.mail-att-info {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
}

.mail-att-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.mail-att-size {
  font-size: 11px;
  color: var(--lk-text-muted);
  font-family: var(--lk-font-mono);
  flex-shrink: 0;
}

.mail-att-del {
  background: transparent;
  border: none;
  color: #EF4444;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.15s ease;
  margin-left: 8px;
}

.mail-att-del:hover {
  background: rgba(239, 68, 68, 0.15);
}

.reader-subject {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--lk-text-primary);
  line-height: 1.3;
}

.reader-meta {
  background: var(--lk-bg-surface);
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-sm);
  padding: 10px 14px;
  margin-bottom: 18px;
  font-size: 12.5px;
}

.reader-meta-row {
  display: flex;
  gap: 8px;
  margin: 3px 0;
}

.reader-meta-row .meta-label {
  color: var(--lk-text-muted);
  width: 50px;
  flex-shrink: 0;
}

.reader-meta-row .meta-value {
  color: var(--lk-text-primary);
  word-break: break-all;
}

.reader-body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--lk-text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--lk-bg-surface);
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-sm);
  padding: 18px 20px;
  min-height: 200px;
}

.webmail-folders-toggle {
  display: none;
}

/* ================= PERMISSIONS & ADMIN CREATION ================= */
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.form-row-admin-add {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 14px;
}

.input-addon-group {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.input-addon-group .input-text.input-with-addon {
  border-top-right-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
  flex: 1;
  min-width: 0;
}

.input-addon-text {
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  background: var(--lk-bg-surface-elevated, #1A1C23);
  border: 1px solid var(--lk-border, rgba(255, 255, 255, 0.12));
  border-left: none;
  border-top-right-radius: var(--lk-radius-sm, 8px);
  border-bottom-right-radius: var(--lk-radius-sm, 8px);
  color: var(--lk-accent, #FF5520);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  user-select: none;
}

.perm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.perm-checkbox-item {
  display: flex;
  flex-direction: column;
  padding: 10px 12px;
  background: var(--lk-bg-canvas);
  border: 1px solid var(--lk-border);
  border-radius: var(--lk-radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.perm-checkbox-item:hover {
  border-color: var(--lk-accent);
  background: var(--lk-bg-surface-hover);
}

.perm-checkbox-item input[type="checkbox"] {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 16px;
  height: 16px;
  accent-color: var(--lk-accent);
  cursor: pointer;
}

.perm-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--lk-text-primary);
  margin-bottom: 2px;
  padding-right: 24px;
}

.perm-desc {
  font-size: 11.5px;
  color: var(--lk-text-muted);
  line-height: 1.4;
}

.mail-item-subject {
  font-size: 13px;
  color: var(--lk-text-secondary);
}

/* ================= MODAL ================= */
.lk-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-sizing: border-box;
}

.lk-modal-dialog {
  width: 100%;
  max-width: 520px;
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.form-row-admin-add {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 10px;
}

/* ================= TOAST ================= */
.lk-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--lk-bg-surface);
  border: 1px solid var(--lk-border-strong);
  border-left: 4px solid var(--lk-accent);
  color: var(--lk-text-primary);
  padding: 14px 20px;
  border-radius: var(--lk-radius-sm);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
  font-size: 13.5px;
  font-weight: 500;
  z-index: 2000;
  display: none;
  max-width: 380px;
}

.lk-toast.show {
  display: block;
  animation: slideInToast 0.3s ease;
}

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

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
  .bento-grid-2,
  .bento-grid-3 {
    grid-template-columns: 1fr;
  }
  .analytics-metrics-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    width: 100% !important;
  }
  .analytics-metrics-grid .stat-metric-box {
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 14px 14px !important;
  }
  .chart-scroll-hint {
    display: block !important;
  }
  .analytics-chart-card {
    padding: 16px 14px !important;
  }
  #dev-counts-grid,
  .bento-grid-4,
  .dev-counts-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    width: 100% !important;
  }
  #dev-counts-grid .stat-metric-box,
  .dev-counts-grid .stat-metric-box,
  .bento-grid-4 .stat-metric-box {
    width: 100% !important;
    box-sizing: border-box !important;
    display: block !important;
    padding: 14px 14px !important;
  }
  #dev-counts-grid .stat-num,
  .dev-counts-grid .stat-num {
    font-size: 26px !important;
    margin: 4px 0 2px !important;
  }
  #dev-counts-grid .stat-label,
  .dev-counts-grid .stat-label {
    font-size: 10.5px !important;
  }
  #dev-counts-grid .stat-note,
  .dev-counts-grid .stat-note {
    font-size: 11px !important;
    line-height: 1.35 !important;
  }
  #admin-tab-dev {
    overflow-x: hidden !important;
  }
  .form-row-admin-add,
  .form-row-3 {
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
  }
  .form-row-admin-add .form-group,
  .form-row-3 .form-group {
    width: 100% !important;
  }
  .perm-grid {
    grid-template-columns: 1fr !important;
  }
  .auth-card {
    padding: 24px 20px;
  }
  .card-header-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .lk-container {
    padding: 0 16px;
  }
  .lk-header {
    height: 58px;
  }
  .lk-badge-portal {
    display: none !important;
  }
  .lk-subnav {
    gap: 6px;
    margin-bottom: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .lk-nav-tab {
    padding: 8px 14px;
    font-size: 12px;
    flex-shrink: 0;
  }
  .webmail-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 14px 16px;
  }
  .webmail-toolbar-left {
    min-width: 0;
    width: 100%;
    display: flex;
    gap: 8px;
  }
  .webmail-toolbar-left select {
    flex: 1;
    min-width: 0;
  }
  .webmail-toolbar-right {
    display: flex;
    justify-content: space-between;
    width: 100%;
  }
  .webmail-toolbar-right .btn {
    flex: 1;
    justify-content: center;
  }
}

@media (max-width: 860px) {
  .webmail-folders-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
  .webmail-layout {
    overflow: visible !important;
  }
  .webmail-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: -320px !important;
    bottom: 0 !important;
    width: 280px !important;
    max-width: 85vw !important;
    height: 100vh !important;
    z-index: 10005 !important;
    background: var(--lk-bg-surface) !important;
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.8) !important;
    transition: left 0.28s cubic-bezier(0.4, 0, 0.2, 1) !important;
    transform: none !important;
    overflow-y: auto !important;
    padding: 20px 14px !important;
  }
  .webmail-sidebar.open {
    left: 0 !important;
  }
  .btn-sidebar-close {
    display: block !important;
  }
  .webmail-backdrop {
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0, 0, 0, 0.7) !important;
    backdrop-filter: blur(2px) !important;
    -webkit-backdrop-filter: blur(2px) !important;
    z-index: 10001 !important;
    display: none;
  }
  .webmail-backdrop.open {
    display: block !important;
  }
}

@media (max-width: 640px) {
  .btn-brandbook-nav {
    display: none !important;
  }
}