/* KOVA · Overlays · drawer · modal · command palette · toast
   These are mounted at the app root and slide / fade in.
   Read from tokens.css. No animation library — CSS only. */

/* ============================================================
   DRAWER — right-slide, 420 px, preserves context
   ============================================================ */
.k-drawer-portal {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 40;
  /* Clip the closed drawer: it parks at translateX(100%) just off the right
     edge, which would otherwise extend the page's scroll width and let a
     horizontal scroll reveal the off-screen panel. Clipping here removes that
     phantom scroll without affecting the open state (drawer slides into view). */
  overflow: hidden;
}
.k-drawer-scrim {
  position: absolute; inset: 0;
  background: rgba(11,13,16,0.18);
  opacity: 0;
  transition: opacity var(--m-3) var(--ease-quiet);
  pointer-events: none;
}
.k-drawer-portal.is-open .k-drawer-scrim {
  opacity: 1;
  pointer-events: auto;
}
.k-drawer {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: var(--drawer-w);
  background: var(--surface);
  border-left: 1px solid var(--line);
  box-shadow: var(--z-4);
  transform: translateX(100%);
  transition: transform var(--m-3) var(--ease-quiet);
  display: flex;
  flex-direction: column;
  pointer-events: auto;
}
.k-drawer-portal.is-open .k-drawer {
  transform: translateX(0);
}
.k-drawer-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: var(--s-5) var(--s-6);
  border-bottom: 1px solid var(--line);
  gap: var(--s-3);
}
.k-drawer-body {
  flex: 1;
  overflow: auto;
  padding: var(--s-5) var(--s-6);
}
.k-drawer-foot {
  padding: var(--s-4) var(--s-6);
  border-top: 1px solid var(--line);
  display: flex;
  gap: var(--s-2);
  justify-content: flex-end;
  background: var(--surface);
}

/* Notifications drawer · same shell, different content */
.k-notifs-filter {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 0 var(--s-6) var(--s-3);
  border-bottom: 1px solid var(--line-2);
  margin: 0 calc(var(--s-6) * -1) var(--s-3);
}
.k-notifs-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--mute);
  font-size: var(--t-body-sm);
}
.k-notifs-mark-read {
  display: block;
  width: 100%;
  margin-top: var(--s-3);
  padding: var(--s-2);
  text-align: center;
  font-size: var(--t-meta);
  color: var(--mute);
  background: transparent;
  border: 0;
  cursor: pointer;
}
.k-notifs-mark-read:hover { color: var(--ink); background: var(--surface-2); }

/* Evidence drawer specific patterns */
.k-evidence-tabs {
  display: flex; gap: 6px;
  margin-bottom: var(--s-4);
}
.k-evidence-claim {
  padding: var(--s-3) 0;
  border-top: 1px solid var(--line-2);
}
.k-evidence-claim:first-child { border-top: 0; padding-top: 0; }
.k-claim-body {
  font-size: var(--t-body);
  color: var(--ink);
  line-height: 1.55;
}
.k-claim-receipt {
  display: flex; align-items: center; gap: var(--s-2);
  margin-top: var(--s-2);
  font-size: var(--t-meta);
  color: var(--mute);
}


/* ============================================================
   MODAL — destructive confirmation, focused input
   ============================================================ */
.k-modal-portal {
  position: fixed; inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: rgba(11,13,16,0.24);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--m-2) var(--ease-out);
}
.k-modal-portal.is-open {
  opacity: 1;
  pointer-events: auto;
}
.k-modal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--z-4);
  width: 480px;
  max-width: calc(100vw - 48px);
  transform: scale(0.96) translateY(4px);
  opacity: 0;
  transition: transform var(--m-3) var(--ease-out),
              opacity var(--m-2) var(--ease-out);
}
.k-modal-portal.is-open .k-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.k-modal-head {
  padding: var(--s-5) var(--s-6) 0;
}
.k-modal-title {
  font-size: var(--t-h2);
  font-weight: var(--w-semibold);
  letter-spacing: var(--tr-tight);
  color: var(--ink);
}
.k-modal-body {
  padding: var(--s-3) var(--s-6) var(--s-5);
  font-size: var(--t-body-sm);
  color: var(--ink-2);
  line-height: 1.6;
}
.k-modal-foot {
  display: flex;
  gap: var(--s-2);
  justify-content: flex-end;
  padding: var(--s-4) var(--s-6) var(--s-5);
  border-top: 1px solid var(--line);
  background: var(--surface);
  border-radius: 0 0 var(--r-xl) var(--r-xl);
}
.k-modal-foot.is-stacked { flex-direction: column-reverse; align-items: stretch; }


/* ============================================================
   COMMAND PALETTE — ⌘K · universal keyboard surface
   ============================================================ */
.k-cmdk-portal {
  position: fixed; inset: 0;
  z-index: 60;
  display: grid;
  place-items: start center;
  padding-top: 88px;
  background: rgba(11,13,16,0.28);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--m-2) var(--ease-out);
}
.k-cmdk-portal.is-open {
  opacity: 1;
  pointer-events: auto;
}
.k-cmdk {
  width: 600px;
  max-width: calc(100vw - 48px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--z-4);
  overflow: hidden;
  transform: translateY(-8px);
  opacity: 0;
  transition: transform var(--m-3) var(--ease-out),
              opacity var(--m-2) var(--ease-out);
}
.k-cmdk-portal.is-open .k-cmdk {
  transform: translateY(0);
  opacity: 1;
}
.k-cmdk-input {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--line);
  font-size: var(--t-h3);
  color: var(--ink);
}
.k-cmdk-input input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: var(--t-h3);
  color: var(--ink);
  min-width: 0;
}
.k-cmdk-input input::placeholder { color: var(--mute-2); }
.k-cmdk-list {
  max-height: 420px;
  overflow: auto;
  padding: var(--s-2) 0 var(--s-3);
}
.k-cmdk-group-label {
  padding: var(--s-3) var(--s-5) var(--s-1);
  font-size: var(--t-eyebrow);
  font-weight: var(--w-semibold);
  letter-spacing: var(--tr-eyebrow);
  text-transform: uppercase;
  color: var(--mute-2);
}
.k-cmdk-row {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-2) var(--s-5);
  margin: 0 var(--s-2);
  font-size: var(--t-body-sm);
  color: var(--ink-2);
  cursor: pointer;
  border-radius: var(--r-sm);
}
.k-cmdk-row .k-cmdk-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--m-mod, var(--mute-2));
  flex-shrink: 0;
}
.k-cmdk-row .k-cmdk-kbd {
  margin-left: auto;
  display: flex; gap: 4px;
}
.k-cmdk-row.is-on {
  background: var(--surface-2);
  color: var(--ink);
}
.k-cmdk-empty {
  padding: var(--s-7) var(--s-5);
  text-align: center;
  font-size: var(--t-body-sm);
  color: var(--mute);
}
.k-cmdk-foot {
  padding: var(--s-2) var(--s-5);
  border-top: 1px solid var(--line);
  background: var(--surface-2);
  font-size: var(--t-meta);
  color: var(--mute);
  display: flex;
  gap: var(--s-4);
  align-items: center;
}
.k-cmdk-foot-key {
  display: inline-flex; align-items: center; gap: 6px;
}


/* ============================================================
   TOAST — bottom-right stack, auto-dismiss
   ============================================================ */
.k-toast-portal {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 55;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  pointer-events: none;
}
.k-toast {
  display: flex; align-items: flex-start; gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  background: var(--ink);
  color: #ECEEF1;
  border-radius: var(--r-md);
  box-shadow: var(--z-3);
  width: 360px;
  font-size: var(--t-body-sm);
  /* Informational + auto-dismiss · must not intercept clicks on controls
     underneath (e.g. the composer Send button sits in the same corner). */
  pointer-events: none;
  animation: k-toast-in var(--m-3) var(--ease-out);
}
@keyframes k-toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.k-toast-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--success);
  color: #fff;
  font-size: 11px; font-weight: 700;
  flex-shrink: 0;
}
.k-toast.is-warn  .k-toast-icon { background: var(--warn); }
.k-toast.is-error .k-toast-icon { background: var(--danger); }
.k-toast.is-info  .k-toast-icon { background: var(--info); }
.k-toast-body { flex: 1; min-width: 0; }
.k-toast-title { font-weight: var(--w-semibold); color: #fff; }
.k-toast-meta  { color: rgba(255,255,255,0.65); margin-top: 2px; font-size: var(--t-meta); }


/* ============================================================
   PAGE TRANSITION
   ============================================================ */
.k-page-enter {
  animation: k-page-in var(--m-4) var(--ease-out);
}
@keyframes k-page-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   SHORTCUTS OVERLAY — ? key
   ============================================================ */
.k-shortcuts-portal {
  position: fixed; inset: 0;
  z-index: 55;
  display: grid; place-items: center;
  background: rgba(11,13,16,0.32);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--m-2) var(--ease-out);
}
.k-shortcuts-portal.is-open { opacity: 1; pointer-events: auto; }
.k-shortcuts {
  width: 720px; max-width: calc(100vw - 48px);
  max-height: calc(100vh - 80px); overflow: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--z-4);
  transform: scale(0.96) translateY(4px); opacity: 0;
  transition: transform var(--m-3) var(--ease-out), opacity var(--m-2) var(--ease-out);
}
.k-shortcuts-portal.is-open .k-shortcuts {
  transform: scale(1) translateY(0); opacity: 1;
}
.k-shortcuts-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-5) var(--s-6);
  border-bottom: 1px solid var(--line);
}
.k-shortcuts-body {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--s-6);
  padding: var(--s-5) var(--s-6) var(--s-6);
}
.k-shortcuts-group { display: flex; flex-direction: column; gap: var(--s-2); }
.k-shortcuts-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--line-2);
  font-size: var(--t-body-sm);
}
.k-shortcuts-row:last-child { border-bottom: 0; }
.k-shortcuts-keys { display: flex; gap: 4px; }


/* ============================================================
   DEV LOGIN — role switcher (architecture §4.3 /dev-login)
   ============================================================ */
.k-dev-login {
  width: 100%;
  max-width: 920px;
}
.k-dev-login-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--z-2);
  padding: 32px 40px 36px;
}
.k-dev-login-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}
.k-dev-login-warning {
  display: flex; align-items: center; gap: 8px;
  margin-top: 14px;
  padding: 10px 12px;
  background: var(--warn-soft);
  border: 1px solid var(--warn-line);
  border-radius: var(--r-sm);
  font-size: var(--t-meta);
  color: var(--warn);
  font-weight: var(--w-medium);
}
.k-dev-login-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
}
.k-role-tile {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: background var(--m-1) var(--ease-out),
              border-color var(--m-1) var(--ease-out),
              box-shadow var(--m-1) var(--ease-out);
}
.k-role-tile:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: var(--z-1);
}
.k-role-tile-mark {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--t-eyebrow);
  font-weight: var(--w-semibold);
  letter-spacing: var(--tr-eyebrow);
  text-transform: uppercase;
  color: var(--mute);
}
.k-role-tile-mark::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--m-mod, var(--accent));
}
.k-role-tile-name {
  font-size: var(--t-h3);
  font-weight: var(--w-semibold);
  color: var(--ink);
}
.k-role-tile-modules {
  font-size: var(--t-meta);
  color: var(--mute);
  margin-top: 4px;
  line-height: 1.5;
}


/* ============================================================
   PROFILE OVERLAY — account & preferences
   Architecture §4.6 (user provisioning), §4.8 (users / identity_accounts)
   Atomic level: organism (reuses Avatar / Chip / Field / Switch / Btn atoms)
   ============================================================ */
.k-profile-portal {
  position: fixed; inset: 0;
  z-index: 55;
  display: grid; place-items: center;
  background: rgba(11,13,16,0.32);
  backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--m-2) var(--ease-out);
}
.k-profile-portal.is-open { opacity: 1; pointer-events: auto; }
.k-profile {
  width: 640px; max-width: calc(100vw - 48px);
  max-height: calc(100vh - 80px); overflow: hidden;
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--z-4);
  transform: scale(0.96) translateY(4px); opacity: 0;
  transition: transform var(--m-3) var(--ease-out), opacity var(--m-2) var(--ease-out);
}
.k-profile-portal.is-open .k-profile {
  transform: scale(1) translateY(0); opacity: 1;
}
.k-profile-head {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-5) var(--s-6);
  border-bottom: 1px solid var(--line);
}
.k-profile-head-text { min-width: 0; flex: 1; }
.k-profile-name { font-size: var(--t-h3); font-weight: var(--w-semibold); color: var(--ink); }
.k-profile-meta { font-size: var(--t-meta); color: var(--mute); }
.k-profile-tabs {
  display: flex; gap: var(--s-1);
  padding: 10px var(--s-6) 0;
  border-bottom: 1px solid var(--line);
}
.k-profile-tab {
  appearance: none; border: 0; background: transparent;
  padding: 8px 12px 10px;
  font: inherit; font-size: var(--t-body-sm); color: var(--mute);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--m-1) var(--ease-out), border-color var(--m-1) var(--ease-out);
}
.k-profile-tab:hover { color: var(--ink); }
.k-profile-tab.is-on { color: var(--ink); border-bottom-color: var(--accent); }
.k-profile-body {
  padding: var(--s-5) var(--s-6);
  display: flex; flex-direction: column; gap: var(--s-4);
  overflow: auto;
}
.k-profile-foot {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
  padding: var(--s-4) var(--s-6);
  border-top: 1px solid var(--line);
  background: var(--surface-2, var(--surface));
}
.k-profile-foot .t-meta { color: var(--mute); }

/* Readonly field rows (display-only profile data) */
.k-profile-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--s-3);
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-2);
}
.k-profile-row:last-child { border-bottom: 0; }
.k-profile-row-label { font-size: var(--t-meta); color: var(--mute); text-transform: uppercase; letter-spacing: var(--tr-eyebrow); font-weight: var(--w-semibold); }
.k-profile-row-value { font-size: var(--t-body-sm); color: var(--ink); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* Toggle preference row (used in Preferences tab) */
.k-pref-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-2);
  gap: var(--s-4);
}
.k-pref-row:last-child { border-bottom: 0; }
.k-pref-row-text { min-width: 0; }
.k-pref-row-title { font-size: var(--t-body-sm); font-weight: var(--w-medium); color: var(--ink); }
.k-pref-row-desc  { font-size: var(--t-meta); color: var(--mute); margin-top: 2px; }


/* ============================================================
   WORKSPACE SWITCHER — tenant + per-module workspaces
   Architecture §1.2 (tenant isolation), §4.7 (db split), §4.8 (user_workspaces)
   ============================================================ */
.k-wsw-portal {
  position: fixed; inset: 0;
  z-index: 55;
  display: grid; place-items: center;
  background: rgba(11,13,16,0.32);
  backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--m-2) var(--ease-out);
}
.k-wsw-portal.is-open { opacity: 1; pointer-events: auto; }
.k-wsw {
  width: 520px; max-width: calc(100vw - 48px);
  max-height: calc(100vh - 80px); overflow: hidden;
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--z-4);
  transform: scale(0.96) translateY(4px); opacity: 0;
  transition: transform var(--m-3) var(--ease-out), opacity var(--m-2) var(--ease-out);
}
.k-wsw-portal.is-open .k-wsw {
  transform: scale(1) translateY(0); opacity: 1;
}
.k-wsw-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-5) var(--s-6);
  border-bottom: 1px solid var(--line);
}
.k-wsw-body {
  padding: var(--s-4) var(--s-3);
  overflow: auto;
  display: flex; flex-direction: column; gap: 2px;
}
.k-wsw-group-label {
  padding: 10px var(--s-3) 6px;
  font-size: var(--t-eyebrow); font-weight: var(--w-semibold);
  letter-spacing: var(--tr-eyebrow); text-transform: uppercase;
  color: var(--mute);
}
.k-wsw-row {
  display: flex; align-items: center; gap: var(--s-3);
  padding: 10px var(--s-3);
  border-radius: var(--r-md);
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  text-align: left; width: 100%; font: inherit;
  transition: background var(--m-1) var(--ease-out), border-color var(--m-1) var(--ease-out);
}
.k-wsw-row:hover { background: var(--accent-soft); border-color: var(--line-2); }
.k-wsw-row.is-current { background: var(--accent-soft); border-color: var(--accent-line, var(--accent)); cursor: default; }
.k-wsw-row.is-current:hover { background: var(--accent-soft); }
.k-wsw-row-mark {
  width: 32px; height: 32px; flex: none;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--bg-2, var(--surface));
  border: 1px solid var(--line);
  font-size: var(--t-meta); font-weight: var(--w-semibold); color: var(--ink);
  text-transform: uppercase;
}
.k-wsw-row.is-current .k-wsw-row-mark { border-color: var(--accent); color: var(--accent); }
.k-wsw-row-text { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 2px; }
.k-wsw-row-name { font-size: var(--t-body-sm); font-weight: var(--w-medium); color: var(--ink); }
.k-wsw-row-meta { font-size: var(--t-meta); color: var(--mute); }
.k-wsw-row-right { display: flex; align-items: center; gap: 8px; }
.k-wsw-foot {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
  padding: var(--s-3) var(--s-6);
  border-top: 1px solid var(--line);
  background: var(--surface-2, var(--surface));
}
.k-wsw-empty {
  padding: var(--s-4) var(--s-3);
  font-size: var(--t-meta); color: var(--mute);
}


/* Reduce motion respect */
@media (prefers-reduced-motion: reduce) {
  .k-drawer,
  .k-modal,
  .k-cmdk,
  .k-toast,
  .k-profile,
  .k-wsw,
  .k-page-enter {
    animation: none !important;
    transition: opacity var(--m-1) linear !important;
    transform: none !important;
  }
}