/* ══════════════════════════════════════════════════════════════════
   WITCH ACADEMY · SYSTEM.CSS v4 — PREMIUM LIGHT MODE
   Load sau design-tokens.css, trước CSS module.
   Quản lý: global reset, app shell, topbar, button, card, tab,
            form control, badge, empty state, modal shell,
            responsive primitives.
   KHÔNG quản lý sidebar (→ sidebar.css).
   KHÔNG override business logic CSS của module.
   ══════════════════════════════════════════════════════════════════ */

/* ── 0. GLOBAL RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
  font-family: var(--wa-font);
  font-size: 13px;
  line-height: 1.5;
  background: var(--wa-bg);
  color: var(--wa-text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: var(--wa-font); }
img { max-width: 100%; }

/* ── 1. APP SHELL ────────────────────────────────────────────────── */
/* Hỗ trợ cả class cũ (.app) lẫn class mới (.wa-app-shell) */
.app,
.wa-app-shell {
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* ── 2. MAIN AREA ────────────────────────────────────────────────── */
.main,
.wa-app-main,
.wa-main {
  flex: 1 1 0%;
  min-width: 0;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--wa-bg);
}

/* ── 3. TOPBAR ───────────────────────────────────────────────────── */
.topbar,
.wa-app-topbar,
.channel-topbar {
  min-height: var(--topbar-h);
  padding: 0 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255,255,255,.9);
  border-bottom: 1px solid var(--wa-border);
  position: sticky;
  top: 0;
  z-index: 12;
  backdrop-filter: blur(14px);
}
.topbar .title,
.wa-app-topbar .title,
.wa-app-topbar .topbar-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--wa-text);
}
.top-actions { display: flex; align-items: center; gap: 9px; }


/* Shared topbar primitive — Hub and AI Studio use the same visual source. */
.wa-topbar {
  min-height: var(--topbar-h);
  padding: 0 26px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 16;
  border-bottom: 1px solid var(--wa-border);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(14px);
}
.wa-topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: max-content;
}
.wa-topbar-item {
  color: var(--wa-muted);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}
.wa-topbar-home { cursor: pointer; }
.wa-topbar-home:hover,
.wa-topbar-current { color: var(--wa-text); }
.wa-topbar-sep { display: flex; color: var(--wa-border-strong); }
.wa-topbar-date {
  color: var(--wa-text-secondary);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.wa-topbar-search {
  width: min(380px, 32vw);
  min-width: 180px;
  height: 38px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--wa-surface-2);
  transition: border-color .16s ease, box-shadow .16s ease, background-color .16s ease;
}
.wa-topbar-search:hover { background: var(--wa-primary-soft); }
.wa-topbar-search:focus-within {
  border-color: var(--wa-primary-border);
  background: var(--wa-card);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, .09);
}
.wa-topbar-search > svg {
  display: block;
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  stroke-width: 2;
}
.wa-topbar-search input {
  width: 100%;
  min-width: 0;
  min-height: 0 !important;
  height: 100%;
  margin: 0;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  outline: 0;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--wa-text);
  font-size: 12.5px;
}
.wa-topbar-search input:focus {
  border: 0 !important;
  box-shadow: none !important;
}
.wa-topbar-search input:focus-visible { outline: 0 !important; }
.wa-topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.wa-topbar .wa-topbar-icon-btn,
.wa-topbar .wa-topbar-action-btn,
.wa-topbar .wa-topbar-logout-btn {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--wa-border);
  border-radius: 10px;
  background: var(--wa-card);
  color: var(--wa-text-secondary);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .16s ease, background .16s ease, color .16s ease, transform .16s ease;
}
.wa-topbar .wa-topbar-icon-btn { position: relative; width: 38px; padding: 0; }
.wa-topbar .wa-topbar-action-btn,
.wa-topbar .wa-topbar-logout-btn { padding: 0 12px; }
.wa-topbar .wa-topbar-icon-btn svg,
.wa-topbar .wa-topbar-action-btn svg,
.wa-topbar .wa-topbar-logout-btn svg {
  display: block;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke-width: 2;
}
.wa-topbar .wa-topbar-icon-btn:hover,
.wa-topbar .wa-topbar-action-btn:hover {
  border-color: var(--wa-primary-border);
  background: var(--wa-primary-soft);
  color: var(--wa-primary);
}
.wa-topbar .wa-topbar-logout-btn:hover {
  border-color: #FECACA;
  background: #FEF2F2;
  color: var(--wa-danger);
}
.wa-topbar-notif-count {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 17px;
  height: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--wa-card);
  border-radius: var(--wa-radius-full);
  background: var(--wa-danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}
.wa-topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 9px 3px 4px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: var(--wa-text);
  cursor: pointer;
  text-decoration: none;
  transition: border-color .16s ease, background .16s ease;
}
.wa-topbar-user:hover { border-color: var(--wa-border); background: var(--wa-card); }
.wa-topbar-avatar {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--wa-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
.wa-topbar-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
.wa-topbar-user-name {
  max-width: 104px;
  overflow: hidden;
  color: var(--wa-text);
  font-size: 12.5px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.wa-topbar :focus-visible { outline: 3px solid rgba(124, 92, 255, .24); outline-offset: 2px; }

/* ── 4. PAGE CONTAINER ───────────────────────────────────────────── */
.content,
.page,
.page-wrap,
.wa-page-shell,
.channel-content,
.as414-shell,
.runner-wrap {
  width: min(100%, 1680px);
  margin-inline: auto;
  padding: 24px 26px 44px;
}

/* ── 5. PAGE HEADER ──────────────────────────────────────────────── */
.wa-page-header,
.workspace-hero,
.notification-hero,
.settings-head,
.content-header,
.header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
  padding: 20px;
  background: var(--wa-card);
  border: 1px solid var(--wa-border);
  border-radius: var(--wa-radius-lg);
  box-shadow: var(--wa-shadow-sm);
}
.wa-page-header h1,
.workspace-hero h1,
.notification-hero h1,
.settings-head h1,
.content-header h1,
.header h1,
.wa-page-title {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.035em;
  color: var(--wa-text);
}
.wa-page-header p,
.workspace-hero p,
.notification-hero p,
.settings-head p,
.content-header p,
.header p,
.wa-page-description {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.62;
  color: var(--wa-muted);
}
.wa-page-eyebrow {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 7px;
  color: var(--wa-primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

/* ── 6. CARD ─────────────────────────────────────────────────────── */
.card,
.panel,
.section-card,
.wa-card,
.wa-section-card,
.hr-card,
.hrv407-card,
.hrr-card,
.runner-card,
.api-card,
.info-card {
  background: var(--wa-card);
  border: 1px solid var(--wa-border);
  border-radius: var(--wa-radius-md);
  box-shadow: var(--wa-shadow-sm);
}
.wa-card,
.wa-section-card,
.panel,
.hr-card,
.hrr-card,
.runner-card { padding: 17px; }
.wa-card--roomy { padding: 20px; }
.wa-card--interactive {
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
  cursor: pointer;
}
.wa-card--interactive:hover {
  transform: translateY(-1px);
  border-color: var(--wa-primary-border);
  box-shadow: var(--wa-shadow);
}
.wa-card-title {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -.012em;
  color: var(--wa-text);
}
.wa-card-description { margin: 5px 0 0; font-size: 12.5px; line-height: 1.55; color: var(--wa-muted); }
.wa-card-meta { font-size: 11.5px; font-weight: 600; color: var(--wa-muted); }

/* ── 7. STAT CARDS ───────────────────────────────────────────────── */
.stat,
.wa-stat-card {
  min-height: 92px;
  padding: 15px;
  background: var(--wa-card);
  border: 1px solid var(--wa-border);
  border-radius: var(--wa-radius-md);
  box-shadow: var(--wa-shadow-sm);
}
.stats,
.wa-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 0 0 16px;
}
.stat strong, .stat b,
.wa-stat-card strong, .wa-stat-card b {
  display: block;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.035em;
  color: var(--wa-text);
}
.stat span,
.wa-stat-card span {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  font-weight: 700;
  color: var(--wa-muted);
}
.wa-stat-card small { display: block; margin-top: 4px; font-size: 11px; color: var(--wa-muted); }

/* ── 8. ICON BOX ─────────────────────────────────────────────────── */
.wa-icon-box {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  border-radius: 10px;
  background: var(--wa-primary-soft);
  color: var(--wa-primary);
}
.wa-icon-box svg { width: 19px; height: 19px; display: block; stroke-width: 1.8; }
.wa-icon-box--success { background: #ECFDF3; color: var(--wa-success); }
.wa-icon-box--warning { background: #FFFBEB; color: var(--wa-warning); }
.wa-icon-box--danger  { background: #FEF2F2; color: var(--wa-danger); }

/* ── 9. BUTTONS ──────────────────────────────────────────────────── */
.btn,
.wa-btn {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 13px;
  border: 1px solid var(--wa-border);
  border-radius: 10px;
  background: var(--wa-card);
  color: var(--wa-text);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease, color .16s ease;
  white-space: nowrap;
}
.btn svg, .wa-btn svg { width: 15px; height: 15px; flex: none; }
.btn:hover, .wa-btn:hover { border-color: var(--wa-primary-border); transform: translateY(-1px); }
.btn:focus-visible, .wa-btn:focus-visible { outline: 0; border-color: var(--wa-primary); box-shadow: 0 0 0 3px rgba(124,92,255,.14); }
.btn:disabled, .wa-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.btn.primary, .wa-btn--primary   { background: var(--wa-primary); border-color: var(--wa-primary); color: #fff; }
.btn.secondary, .wa-btn--secondary { background: var(--wa-primary-soft); border-color: #E7E1FF; color: var(--wa-primary); }
.btn.danger, .wa-btn--danger     { background: #FEF2F2; border-color: #FEE2E2; color: var(--wa-danger); }
.btn.ghost, .wa-btn--ghost       { background: transparent; border-color: transparent; color: var(--wa-muted); }

/* Topbar typography must stay lighter than generic action buttons. */
.wa-topbar .wa-btn,
.wa-topbar .wa-topbar-action-btn,
.wa-topbar .wa-topbar-logout-btn { font-weight: 600; }
.wa-topbar .wa-topbar-user-name { font-weight: 500; }

/* ── 10. FORM CONTROLS ───────────────────────────────────────────── */
.wa-input, .wa-select, .wa-textarea, .wa-search, .wa-filter,
input[type="text"], input[type="email"], input[type="password"],
input[type="search"], input[type="number"], select, textarea {
  min-height: 38px;
  max-width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--wa-border);
  border-radius: 10px;
  background: var(--wa-card);
  color: var(--wa-text);
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.4;
  outline: 0;
  font-family: var(--wa-font);
}
input:focus, select:focus, textarea:focus,
.wa-input:focus, .wa-select:focus, .wa-textarea:focus {
  border-color: var(--wa-primary);
  box-shadow: 0 0 0 3px rgba(124,92,255,.14);
}
textarea, .wa-textarea { min-height: 94px; resize: vertical; }
input::placeholder, textarea::placeholder, .wa-input::placeholder { color: #A7A3B7; }
.wa-field { display: grid; gap: 6px; }
.wa-label { font-size: 12px; font-weight: 800; color: var(--wa-text-secondary); }
.wa-help  { font-size: 11.5px; line-height: 1.5; color: var(--wa-muted); }

/* ── 11. BADGES ──────────────────────────────────────────────────── */
.wa-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border: 1px solid var(--wa-border);
  border-radius: 999px;
  background: #F8F7FF;
  color: var(--wa-primary);
  font-size: 10.5px;
  font-weight: 800;
  line-height: 1.05;
}
.wa-badge--success { background: #ECFDF3; border-color: #DCFCE7; color: #15803D; }
.wa-badge--warning { background: #FFFBEB; border-color: #FEF3C7; color: #B45309; }
.wa-badge--danger  { background: #FEF2F2; border-color: #FEE2E2; color: #DC2626; }
.wa-badge--muted   { background: var(--wa-surface-2); color: var(--wa-muted); }

/* ── 12. TABS ────────────────────────────────────────────────────── */
.wa-tabs {
  display: flex;
  align-items: center;
  gap: 5px;
  max-width: 100%;
  padding: 4px;
  border: 1px solid var(--wa-border);
  border-radius: 12px;
  background: #F2F1F8;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}
.wa-tabs button, .wa-tabs a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  padding: 0 11px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--wa-muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.wa-tabs svg { width: 15px; height: 15px; }
.wa-tabs .active, .wa-tabs [aria-selected="true"] {
  background: var(--wa-card);
  color: var(--wa-primary);
  box-shadow: 0 1px 5px rgba(30,27,57,.07);
}

/* ── 13. TOOLBAR ─────────────────────────────────────────────────── */
.toolbar,
.filters,
.wa-toolbar,
.filter-drawer {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  padding: 10px;
  border: 1px solid var(--wa-border);
  border-radius: var(--wa-radius-md);
  background: var(--wa-card);
  box-shadow: var(--wa-shadow-sm);
  margin: 0 0 14px;
}

/* ── 14. GRID HELPERS ────────────────────────────────────────────── */
.wa-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.wa-grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.wa-grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.wa-grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

/* ── 15. TABLE ───────────────────────────────────────────────────── */
.wa-responsive-table, .table-wrap, .hr-table-wrap, .task-table-scroll { overflow: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
.wa-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.wa-table th, .wa-table td { padding: 11px 10px; border-bottom: 1px solid var(--wa-border); text-align: left; vertical-align: top; }
.wa-table th { color: var(--wa-muted); font-size: 10.5px; font-weight: 800; letter-spacing: .055em; text-transform: uppercase; }
.wa-table tbody tr { transition: background .14s ease; }
.wa-table tbody tr:hover { background: #FAF9FF; }

/* ── 16. EMPTY STATE ─────────────────────────────────────────────── */
.empty,
.empty-box,
.wa-empty-state,
.wa-loading-state,
.wa-error-state {
  padding: 25px;
  border: 1px dashed var(--wa-border);
  border-radius: var(--wa-radius-md);
  background: rgba(255,255,255,.74);
  color: var(--wa-muted);
  font-size: 12.5px;
  line-height: 1.55;
  text-align: center;
}
.empty h3, .empty b,
.wa-empty-state h3, .wa-empty-state b { display: block; margin: 0 0 5px; font-size: 14px; color: var(--wa-text); }
.wa-error-state { border-color: #FECACA; background: #FEF2F2; color: #B91C1C; }
.wa-loading-state { background: var(--wa-surface-2); }

/* ── 17. MODAL ───────────────────────────────────────────────────── */
.wa-modal {
  position: fixed; inset: 0; z-index: 9999;
  display: none; align-items: center; justify-content: center;
  padding: 18px;
  background: rgba(30,27,57,.32);
  backdrop-filter: blur(5px);
}
.wa-modal.open, .wa-modal.show, .wa-modal.hien, .wa-modal.active { display: flex; }
.wa-modal__panel, .wa-confirm-dialog {
  width: min(680px, calc(100vw - 28px));
  max-height: min(88vh, 820px);
  overflow: auto;
  padding: 19px;
  background: var(--wa-card);
  border: 1px solid var(--wa-border);
  border-radius: var(--wa-radius-lg);
  box-shadow: var(--wa-shadow-lg);
}
.wa-modal__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.wa-modal__title { margin: 0; font-size: 16px; font-weight: 800; color: var(--wa-text); }
.wa-modal__actions { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

/* ── 18. TOAST ───────────────────────────────────────────────────── */
.wa-toast, .toast {
  position: fixed; right: 22px; bottom: 22px; z-index: 10000;
  max-width: min(420px, calc(100vw - 32px));
  padding: 11px 14px;
  border-radius: 12px;
  background: var(--wa-text);
  color: #fff;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.4;
  box-shadow: 0 18px 48px rgba(30,27,57,.18);
  opacity: 0;
  transform: translateY(8px);
  transition: .18s ease;
}
.wa-toast.is-visible, .toast.show { opacity: 1; transform: none; }
.wa-toast--error { background: #991B1B; }
.wa-toast--success { background: #166534; }

/* ── 19. SECTION WRAPPER ─────────────────────────────────────────── */
.wa-section { margin: 0 0 18px; }
.wa-section-header { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 0 0 10px; }
.wa-section-title { margin: 0; font-size: 16px; font-weight: 800; letter-spacing: -.018em; color: var(--wa-text); }
.wa-section-description { margin: 4px 0 0; font-size: 12.5px; line-height: 1.55; color: var(--wa-muted); }

/* ── 20. MISC ────────────────────────────────────────────────────── */
.wa-divider { height: 1px; margin: 14px 0; background: var(--wa-border); }
.wa-skeleton {
  border-radius: 10px;
  background: linear-gradient(90deg, #F1F1F6, #FAFAFC, #F1F1F6);
  background-size: 200% 100%;
  animation: waSkeleton 1.15s infinite;
}
@keyframes waSkeleton { to { background-position: -200% 0; } }

.wa-inline-icon, .wa-btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  vertical-align: -.14em; flex: none; color: currentColor;
}
.wa-inline-icon { width: 1.05em; height: 1.05em; margin-right: 6px; }
.wa-btn-icon { width: 15px; height: 15px; }
.wa-inline-icon svg, .wa-btn-icon svg { display: block; width: 100%; height: 100%; }

/* ── 21. RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .wa-grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .content, .page, .page-wrap, .wa-page-shell,
  .channel-content, .as414-shell, .runner-wrap {
    padding-left: 20px;
    padding-right: 20px;
  }
}
@media (max-width: 768px) {
  .content, .page, .page-wrap, .wa-page-shell,
  .channel-content, .as414-shell, .runner-wrap { padding: 16px 14px 30px; }
  .topbar, .wa-app-topbar, .channel-topbar {
    min-height: 58px;
    padding: 0 14px 0 58px;
  }
  .wa-topbar { padding: 0 12px; gap: 7px; }
  .wa-topbar-date,
  .wa-topbar-user-name,
  .wa-topbar-logout-btn,
  .wa-topbar-settings { display: none; }
  .wa-topbar-breadcrumb { min-width: 0; }
  .wa-topbar-home,
  .wa-topbar-sep { display: none; }
  .wa-topbar-current { max-width: 64px; overflow: hidden; text-overflow: ellipsis; }
  .wa-topbar-search { width: auto; min-width: 0; height: 36px; flex: 1 1 120px; padding: 0 9px; }
  .wa-topbar-search > svg { width: 16px; height: 16px; }
  .wa-topbar .wa-topbar-action-btn { width: 36px; min-width: 36px; min-height: 36px; padding: 0; gap: 0; font-size: 0; }
  .wa-topbar .wa-topbar-icon-btn { width: 36px; min-height: 36px; }
  .wa-topbar .wa-topbar-icon-btn svg,
  .wa-topbar .wa-topbar-action-btn svg,
  .wa-topbar .wa-topbar-logout-btn svg { width: 17px; height: 17px; }
  .wa-topbar-avatar { width: 32px; height: 32px; }
  .wa-page-header, .workspace-hero, .notification-hero,
  .settings-head, .header, .content-header { display: block; padding: 16px; }
  .wa-page-header h1, .notification-hero h1, .workspace-hero h1,
  .settings-head h1, .header h1, .content-header h1,
  .wa-page-title { font-size: 22px; }
  .top-actions, .wa-page-actions { margin-top: 12px; }
  .toolbar, .filters, .wa-toolbar { align-items: stretch; }
  .wa-grid--2, .wa-grid--3, .wa-grid--4 { grid-template-columns: 1fr; }
  .wa-modal { padding: 10px; }
  .wa-modal__panel { width: 100%; max-height: 91vh; padding: 16px; border-radius: 14px; }
  .stats, .wa-stat-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .wa-tabs { flex-wrap: nowrap; }
  table { min-width: 680px; }
  .table-wrap, .wa-responsive-table, .hr-table-wrap { overflow-x: auto; }
}
@media (max-width: 440px) {
  .stats, .wa-stat-grid { grid-template-columns: 1fr 1fr; }
  .wa-stat-card, .stat { min-height: 84px; }
  .btn, .wa-btn { min-height: 38px; }
}

/* ── 22. REDIRECT SHELL (stub pages) ─────────────────────────────── */
.wa-redirect-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--wa-bg);
}
.wa-redirect-shell .wa-empty-state { max-width: 560px; padding: 30px; }
.wa-redirect-shell .wa-icon-box { margin: 0 auto 12px; }