/* ============================================================
   Moonlit Liquid Admin Dashboard — Design System
   Palette aligned with miniprogram/styles/qn-ui.wxss
   ============================================================ */

:root {
  /* Canvas & surfaces */
  --canvas:        #07090D;
  --quiet-1:       #0D1118;
  --quiet-2:       #121821;
  --raised:        #1A2233;
  --border:        #26313D;
  --border-hover:  #3A4D60;

  /* Text */
  --ivory:         #F4EBD9;
  --text-sec:      #A7B0B8;
  --text-muted:    #67717C;

  /* Signals */
  --mist:          #A9D6E8;
  --mist-bright:   #D8F2FA;
  --gold:          #D5A95C;
  --gold-dim:      rgba(213, 169, 92, 0.15);
  --vermilion:     #B33A32;
  --vermilion-dim: rgba(179, 58, 50, 0.12);
  --success:       #83B69A;
  --success-dim:   rgba(131, 182, 154, 0.15);
  --mist-dim:      rgba(169, 214, 232, 0.14);
  --purple:        #B08CDD;
  --purple-dim:    rgba(176, 140, 221, 0.14);

  /* Radius */
  --r-pill:  999px;
  --r-card:  16px;
  --r-ctrl:  10px;
  --r-sm:    6px;

  /* Shadow */
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-modal: 0 16px 48px rgba(0, 0, 0, 0.7);

  /* Layout */
  --sidebar-w: 220px;
  --header-h:  56px;

  /* Transition */
  --t-fast:  120ms cubic-bezier(0.2, 0, 0, 1);
  --t-base:  200ms ease;
  --t-slow:  300ms ease;
}

/* ============================================================
   Reset
   ============================================================ */

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

::-webkit-scrollbar { width: 0; height: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--canvas);
  color: var(--ivory);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 14px;
  line-height: 1.5;
}

/* ============================================================
   Layout Shell
   ============================================================ */

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Header ─────────────────────────────────────────────── */

.admin-header {
  height: var(--header-h);
  background: var(--quiet-1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 0 0;
  flex-shrink: 0;
  z-index: 200;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0;
  width: var(--sidebar-w);
  padding: 0 20px;
  flex-shrink: 0;
}

.brand-badge {
  background: linear-gradient(135deg, var(--gold) 0%, #B8882A 100%);
  color: #1A1100;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 3px 7px;
  border-radius: var(--r-sm);
  margin-right: 10px;
  flex-shrink: 0;
}

.brand-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ivory);
  white-space: nowrap;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-sec);
  font-size: 13px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  flex-shrink: 0;
}

/* ── Body (sidebar + content) ───────────────────────────── */

.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────── */

.sidebar {
  width: var(--sidebar-w);
  background: var(--quiet-1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  transition: transform var(--t-slow), width var(--t-slow);
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 20px 16px 8px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-ctrl);
  color: var(--text-sec);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
  user-select: none;
}

.nav-item:active {
  transform: scale(0.97);
}

.nav-item:hover {
  background: var(--quiet-2);
  color: var(--ivory);
}

.nav-item.active {
  background: var(--mist-dim);
  color: var(--mist-bright);
  border: 1px solid rgba(169, 214, 232, 0.2);
  background-clip: padding-box;
}

.nav-item.active .nav-icon {
  filter: drop-shadow(0 0 4px var(--mist));
}

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

.nav-label {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px 8px;
  border-top: 1px solid var(--border);
}

/* ── Content Area ───────────────────────────────────────── */

.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── Page panels ─────────────────────────────────────────── */

.page-panel {
  display: none;
  flex-direction: column;
  gap: 20px;
  animation: fadeIn 180ms ease;
}

.page-panel.active {
  display: flex;
}

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

/* ============================================================
   Metrics Grid
   ============================================================ */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.metric-card {
  background: var(--quiet-1);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
  background-clip: padding-box;
  transition: border-color var(--t-base), transform var(--t-fast);
}

.metric-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.metric-icon.ic-cyan    { background: var(--mist-dim); }
.metric-icon.ic-gold    { background: var(--gold-dim); }
.metric-icon.ic-green   { background: var(--success-dim); }
.metric-icon.ic-purple  { background: var(--purple-dim); }

.metric-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.metric-label {
  font-size: 12px;
  color: var(--text-sec);
  margin-bottom: 4px;
  white-space: nowrap;
}

.metric-val {
  font-size: 28px;
  font-weight: 700;
  color: var(--ivory);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

/* ============================================================
   Skeleton
   ============================================================ */

@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position:  600px 0; }
}

.skeleton {
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    var(--quiet-2) 25%,
    #1E2A36 50%,
    var(--quiet-2) 75%
  );
  background-size: 1200px 100%;
  animation: shimmer 1.5s linear infinite;
}

.skeleton-metric-val {
  height: 28px;
  width: 72px;
  border-radius: 6px;
}

.skeleton-table-row td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--quiet-2);
}

.skeleton-line {
  height: 13px;
  border-radius: 4px;
}

.sk-w-full { width: 100%; }
.sk-w-75   { width: 75%; }
.sk-w-50   { width: 50%; }
.sk-w-30   { width: 30%; }

/* ============================================================
   Panel / Card wrappers
   ============================================================ */

.panel {
  background: var(--quiet-1);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
  background-clip: padding-box;
}

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

.panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ivory);
}

/* ============================================================
   Toolbar / Search
   ============================================================ */

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar-search {
  display: flex;
  gap: 8px;
  flex: 1;
  min-width: 200px;
  max-width: 440px;
}

.toolbar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.search-input {
  background: var(--quiet-2);
  border: 1px solid var(--border);
  color: var(--ivory);
  padding: 8px 14px;
  border-radius: var(--r-ctrl);
  flex: 1;
  font-size: 13.5px;
  transition: border-color var(--t-fast);
  background-clip: padding-box;
  box-sizing: border-box;
}

.search-input::placeholder { color: var(--text-muted); }

.search-input:focus {
  outline: none;
  border-color: var(--mist);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: var(--r-ctrl);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 8px 14px;
  transition: background var(--t-fast), border-color var(--t-fast),
              color var(--t-fast), transform var(--t-fast);
  user-select: none;
  white-space: nowrap;
  box-sizing: border-box;
  background-clip: padding-box;
}

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

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

/* Primary */
.btn-primary {
  background: var(--mist);
  color: #06111A;
  border: 1px solid transparent;
}

.btn-primary:hover:not(:disabled) {
  background: var(--mist-bright);
}

.btn-primary:active:not(:disabled) {
  background: #8EC6DB;
}

/* Secondary */
.btn-secondary {
  background: transparent;
  color: var(--mist);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--mist-dim);
  border-color: var(--mist);
  color: var(--mist-bright);
}

.btn-secondary:active:not(:disabled) {
  background: rgba(169, 214, 232, 0.2);
}

/* Success (green import) */
.btn-success {
  background: #1D5C3A;
  color: var(--success);
  border: 1px solid rgba(131, 182, 154, 0.25);
}

.btn-success:hover:not(:disabled) {
  background: #24714A;
  border-color: var(--success);
}

.btn-success:active:not(:disabled) {
  background: #175030;
}

/* Danger */
.btn-danger {
  background: var(--vermilion-dim);
  color: #E06060;
  border: 1px solid rgba(179, 58, 50, 0.3);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(179, 58, 50, 0.22);
  border-color: var(--vermilion);
  color: #F08080;
}

.btn-danger:active:not(:disabled) {
  background: rgba(179, 58, 50, 0.32);
}

/* Danger outline (table row) */
.btn-danger-sm {
  background: transparent;
  color: #CC4444;
  border: 1px solid rgba(204, 68, 68, 0.35);
  border-radius: var(--r-sm);
  font-size: 12px;
  padding: 3px 9px;
  cursor: pointer;
  transition: background var(--t-fast), transform var(--t-fast);
  box-sizing: border-box;
  background-clip: padding-box;
}

.btn-danger-sm:hover {
  background: rgba(179, 58, 50, 0.16);
  border-color: var(--vermilion);
}

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

/* Logout */
.btn-logout {
  background: transparent;
  color: #CC4444;
  border: 1px solid rgba(179, 58, 50, 0.35);
  border-radius: var(--r-sm);
  font-size: 13px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background var(--t-fast), transform var(--t-fast);
  background-clip: padding-box;
  box-sizing: border-box;
}

.btn-logout:hover {
  background: rgba(179, 58, 50, 0.14);
  border-color: var(--vermilion);
}

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

/* Block */
.btn-block {
  width: 100%;
  padding: 10px;
}

/* ============================================================
   Data Table
   ============================================================ */

.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.data-table th {
  background: var(--canvas);
  color: var(--text-sec);
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  white-space: nowrap;
}

.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--quiet-2);
  color: var(--ivory);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--t-fast);
}

.data-table tbody tr:hover td {
  background: var(--raised);
}

.data-table .empty-row td {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 14px;
}

/* Monospace cells */
.cell-mono {
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
}

.cell-cyan { color: var(--mist); }
.cell-gold { color: var(--gold); }
.cell-muted { color: var(--text-sec); }

/* ============================================================
   Badges
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  background-clip: padding-box;
  box-sizing: border-box;
}

.badge-success  { background: var(--success-dim); color: var(--success); border: 1px solid rgba(131,182,154,0.2); }
.badge-danger   { background: var(--vermilion-dim); color: #E06060; border: 1px solid rgba(179,58,50,0.2); }
.badge-mist     { background: var(--mist-dim); color: var(--mist); border: 1px solid rgba(169,214,232,0.2); }
.badge-gold     { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(213,169,92,0.2); }
.badge-purple   { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(176,140,221,0.2); }
.badge-default  { background: var(--quiet-2); color: var(--text-sec); border: 1px solid var(--border); }

/* ============================================================
   Pagination
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-sec);
  gap: 12px;
  flex-wrap: wrap;
}

.pagination-info { color: var(--text-sec); }
.pagination-info strong { color: var(--ivory); }

.page-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================================
   System Info Panel
   ============================================================ */

.sysinfo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.sysinfo-card {
  background: var(--quiet-2);
  border: 1px solid var(--border);
  border-radius: var(--r-ctrl);
  padding: 18px 20px;
  background-clip: padding-box;
  box-sizing: border-box;
}

.sysinfo-card-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.sysinfo-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 13px;
}

.sysinfo-row:last-child { margin-bottom: 0; }

.sysinfo-key {
  color: var(--text-sec);
  flex-shrink: 0;
}

.sysinfo-val {
  color: var(--ivory);
  font-weight: 600;
  text-align: right;
}

/* ============================================================
   Phase Cards (Quest Editor)
   ============================================================ */

.phase-card {
  background: var(--quiet-2);
  border: 1px solid var(--border);
  border-radius: var(--r-ctrl);
  padding: 14px 16px;
  background-clip: padding-box;
  box-sizing: border-box;
  transition: border-color var(--t-base);
}

.phase-card.is-danger {
  border-color: rgba(179, 58, 50, 0.45);
  background: rgba(179, 58, 50, 0.03);
}

.phase-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.phase-card-title {
  font-weight: 600;
  color: var(--gold);
  font-size: 13px;
}

.phase-grid-3 {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 10px;
  margin-bottom: 8px;
}

.phase-grid-role {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.phase-wipe-row {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 10px;
  margin-bottom: 8px;
  align-items: end;
}

.phase-danger-check {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding-bottom: 4px;
}

.phase-danger-label {
  color: #E06060;
  font-weight: 600;
  font-size: 13px;
}

/* ============================================================
   Dropzone
   ============================================================ */

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--r-card);
  padding: 40px 20px;
  text-align: center;
  background: var(--quiet-2);
  cursor: pointer;
  transition: border-color var(--t-base), background var(--t-base);
  box-sizing: border-box;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--mist);
  background: var(--mist-dim);
}

.dropzone-icon { font-size: 36px; margin-bottom: 10px; }

.dropzone-label {
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 4px;
}

.dropzone-hint { font-size: 12px; color: var(--text-muted); }

/* ============================================================
   Import Modal Tabs
   ============================================================ */

.import-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-sec);
  font-size: 13.5px;
  padding: 7px 13px;
  cursor: pointer;
  border-radius: var(--r-ctrl);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
  font-weight: 500;
  box-sizing: border-box;
}

.import-tab-btn:hover {
  color: var(--ivory);
  background: var(--quiet-2);
}

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

.import-tab-btn.active {
  color: var(--mist);
  background: var(--mist-dim);
  font-weight: 600;
}

.import-status-bar {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--quiet-2);
  padding: 12px 16px;
  border-radius: var(--r-ctrl);
  border: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 10px;
  box-sizing: border-box;
  background-clip: padding-box;
}

.import-option-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
}

.import-data-badge {
  font-size: 12px;
  color: var(--mist);
}

/* ============================================================
   Modal
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
  animation: fadeIn 150ms ease;
}

.modal-card {
  background: var(--quiet-1);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 28px 30px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-modal);
  background-clip: padding-box;
  box-sizing: border-box;
}

.modal-card-lg {
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px 28px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ivory);
}

.modal-sub {
  font-size: 12px;
  color: var(--text-sec);
  text-align: center;
  margin-bottom: 22px;
}

.modal-close {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sec);
  border-radius: var(--r-sm);
  padding: 4px 10px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: background var(--t-fast), transform var(--t-fast);
  box-sizing: border-box;
  background-clip: padding-box;
  flex-shrink: 0;
}

.modal-close:hover { background: var(--raised); color: var(--ivory); }
.modal-close:active { transform: scale(0.97); }

.modal-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ── Login Modal ─────────────────────────────────────────── */

.login-card {
  text-align: center;
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--ivory);
  margin-bottom: 6px;
}

.login-sub {
  font-size: 13px;
  color: var(--text-sec);
  margin-bottom: 24px;
}

.form-error {
  color: #E06060;
  font-size: 12px;
  margin-top: 10px;
  text-align: center;
  min-height: 18px;
}

/* ── Form Primitives ─────────────────────────────────────── */

.form-group {
  margin-bottom: 14px;
}

.form-group:last-child { margin-bottom: 0; }

.form-label {
  display: block;
  font-size: 12px;
  color: var(--text-sec);
  margin-bottom: 5px;
  font-weight: 500;
}

.form-input {
  width: 100%;
  background: var(--quiet-2);
  border: 1px solid var(--border);
  color: var(--ivory);
  padding: 9px 13px;
  border-radius: var(--r-ctrl);
  font-size: 13.5px;
  transition: border-color var(--t-fast);
  background-clip: padding-box;
  box-sizing: border-box;
}

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

.form-input:focus {
  outline: none;
  border-color: var(--gold);
}

.form-input[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

select.form-input { cursor: pointer; }

textarea.form-input {
  resize: vertical;
  line-height: 1.5;
}

textarea.form-mono {
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
  font-size: 12px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 12px;
}

/* ============================================================
   Section divider inside modals/forms
   ============================================================ */

.section-divider {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.section-divider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.section-divider-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
}

/* ============================================================
   Toast Notification System
   ============================================================ */

#toast-container {
  position: fixed;
  bottom: 28px;
  right: 24px;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: 360px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--quiet-1);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 13px 16px;
  box-shadow: var(--shadow-modal);
  pointer-events: auto;
  animation: toastIn 240ms cubic-bezier(0.2, 0, 0, 1);
  background-clip: padding-box;
  box-sizing: border-box;
}

.toast.toast-out {
  animation: toastOut 220ms ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(24px) scale(0.97); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to   { opacity: 0; transform: translateX(24px) scale(0.95); }
}

.toast-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.toast-body { flex: 1; min-width: 0; }
.toast-message { font-size: 13px; color: var(--ivory); line-height: 1.4; }

.toast-success { border-left: 3px solid var(--success); }
.toast-error   { border-left: 3px solid var(--vermilion); }
.toast-warning { border-left: 3px solid var(--gold); }
.toast-info    { border-left: 3px solid var(--mist); }

/* ============================================================
   Custom Confirm Dialog
   ============================================================ */

#confirm-dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 8000;
  padding: 20px;
  animation: fadeIn 140ms ease;
}

.confirm-dialog {
  background: var(--quiet-1);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 28px 28px 22px;
  max-width: 380px;
  width: 100%;
  box-shadow: var(--shadow-modal);
  background-clip: padding-box;
  box-sizing: border-box;
}

.confirm-icon { font-size: 32px; text-align: center; margin-bottom: 12px; }
.confirm-title { font-size: 16px; font-weight: 700; color: var(--ivory); margin-bottom: 8px; }
.confirm-message { font-size: 13px; color: var(--text-sec); line-height: 1.6; margin-bottom: 22px; }
.confirm-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ============================================================
   Preset Import Info Card
   ============================================================ */

.preset-info-card {
  background: var(--quiet-2);
  border: 1px solid var(--border);
  border-radius: var(--r-ctrl);
  padding: 16px 20px;
  margin-bottom: 12px;
  background-clip: padding-box;
  box-sizing: border-box;
}

.preset-info-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
}

.preset-info-desc {
  font-size: 12px;
  color: var(--text-sec);
  line-height: 1.7;
}

/* ============================================================
   Hamburger (Mobile)
   ============================================================ */

.hamburger {
  display: none;
  background: transparent;
  border: none;
  color: var(--ivory);
  font-size: 20px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}

.hamburger:hover { background: var(--quiet-2); }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 150;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 900px) {
  :root { --sidebar-w: 200px; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }

  .header-brand { width: auto; }

  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    bottom: 0;
    z-index: 160;
    transform: translateX(-100%);
    width: 240px;
  }

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

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

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

  .phase-grid-3 {
    grid-template-columns: 1fr;
  }

  .form-grid-3 {
    grid-template-columns: 1fr;
  }

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

  .modal-card-lg {
    padding: 18px 16px;
  }
}

@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .content-area { padding: 16px; }
}

/* ============================================================
   Reduced motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}