/* engineering-premium.css ─ premium UI chrome
 * Loaded after tokens.css + engineering-personas.css. Self-contained primitives
 * for: skeleton loaders, toast notifications, cmd+k palette, ? shortcuts modal,
 * glossary modal, welcome banner, recipe picker, persona greeting strip,
 * empty/error/stale states, plain-english tier toggle, theme toggle, page
 * transitions, micro-interactions. Mobile responsive. */

/* ── Tier-aware label visibility ──────────────────────────────────────── */
[data-tier="operator"] .tier-engineer { display: none !important; }
[data-tier="engineer"] .tier-operator { display: none !important; }

/* Plain-English layer + technical layer can co-exist. Default = engineer (the
 * existing technical labels). Toggling sets data-tier on <body>. */

/* ── Premium header bar (added by JS into every dashboard) ───────────── */
.eng-premium-bar {
  position: fixed; top: 0; right: 16px; z-index: 80;
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px;
  background: rgba(20,24,34,.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border:1px solid var(--border);
  border-radius: 0 0 12px 12px;
  border-top: 0;
  font-size: 11px;
  color:var(--text);
}
.eng-premium-bar button {
  background:var(--bg-card);
  border:1px solid var(--border);
  color: inherit;
  padding: 5px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 11px;
  letter-spacing: .3px;
  transition: background .18s, border-color .18s, transform .12s;
}
.eng-premium-bar button:hover { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.18); }
.eng-premium-bar button:active { transform: scale(.96); }
.eng-premium-bar .premium-sep { width: 1px; height: 18px; background: rgba(255,255,255,.1); margin: 0 4px; }

/* ── Skeleton loader (replaces "loading…" text everywhere) ────────────── */
.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,.04) 0%,
    rgba(255,255,255,.10) 50%,
    rgba(255,255,255,.04) 100%);
  background-size: 200% 100%;
  border-radius: 6px;
  animation: skel-shimmer 1.4s ease-in-out infinite;
}
.skeleton.line   { height: 12px; margin: 6px 0; }
.skeleton.line-sm { height: 10px; width: 60%; }
.skeleton.line-lg { height: 16px; }
.skeleton.block  { height: 80px; }
.skeleton.card   { height: 140px; border-radius: 12px; }
.skeleton.avatar { width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0; }
@keyframes skel-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Empty / error / stale states (composable) ───────────────────────── */
.state-card {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px;
  padding: 24px 20px;
  text-align: center;
  border-radius: 12px;
  background:var(--bg-card);
  border: 1px dashed rgba(255,255,255,.12);
}
.state-card.error  { border-color: rgba(239,68,68,.35); background: rgba(239,68,68,.05); }
.state-card.stale  { border-color: rgba(245,182,91,.35); background: rgba(245,182,91,.04); }
.state-card .state-emoji { font-size: 28px; line-height: 1; }
.state-card .state-msg { font-size: 13px; color:var(--text); }
.state-card .state-hint { font-size: 11px; color:var(--muted); }
.state-card button {
  background: var(--persona-glow-cool, #3a8ee6);
  color:var(--text);
  border: none;
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: filter .18s, transform .12s;
}
.state-card button:hover  { filter: brightness(1.15); }
.state-card button:active { transform: scale(.96); }
.state-card.error button  { background: rgba(239,68,68,.85); }
.state-card.stale button  { background: rgba(245,182,91,.85); color: #1a1a1a; }

/* ── Toast notification system ────────────────────────────────────────── */
.toast-host {
  position: fixed; bottom: 20px; right: 20px;
  z-index: 9000;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
  max-width: 380px;
}
.toast {
  pointer-events: auto;
  background: rgba(20,24,34,.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border:1px solid var(--border);
  border-left: 3px solid var(--persona-glow-cool, #3a8ee6);
  border-radius: 10px;
  padding: 10px 14px;
  color:var(--text);
  font-size: 12.5px;
  line-height: 1.4;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  animation: toast-in .26s cubic-bezier(.2,.8,.2,1) both;
  min-width: 240px;
  display: flex; align-items: flex-start; gap: 10px;
}
.toast.success { border-left-color: #4ade80; }
.toast.error   { border-left-color: #ef4444; }
.toast.warn    { border-left-color: #f5b65b; }
.toast.info    { border-left-color: #3a8ee6; }
.toast .toast-emoji { font-size: 18px; flex-shrink: 0; line-height: 1.2; }
.toast .toast-body  { flex: 1; }
.toast .toast-title { font-weight: 700; font-size: 12.5px; margin-bottom: 2px; }
.toast .toast-msg   { color:var(--text); font-size: 11.5px; }
.toast.exit { animation: toast-out .22s cubic-bezier(.2,.8,.2,1) both; }
@keyframes toast-in  { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toast-out { from { transform: translateX(0); opacity: 1; } to { transform: translateX(120%); opacity: 0; } }

/* ── cmd+k palette + ? shortcuts modal + glossary modal ──────────────── */
.eng-modal-host {
  position: fixed; inset: 0; z-index: 8000;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 12vh;
  animation: modal-bg-in .18s ease both;
}
.eng-modal-host.exit { animation: modal-bg-out .15s ease both; }
.eng-modal {
  background: rgba(20,24,34,.94);
  border:1px solid var(--border);
  border-radius: 14px;
  width: min(640px, 92vw);
  max-height: 70vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 24px 48px rgba(0,0,0,.6);
  animation: modal-in .22s cubic-bezier(.2,.8,.2,1) both;
}
.eng-modal.exit { animation: modal-out .18s ease both; }
.eng-modal .modal-head {
  padding: 12px 16px;
  border-bottom:1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  font-family: Orbitron, monospace;
  font-size: 13px;
  letter-spacing: .8px;
  text-transform: uppercase;
  color:var(--text);
}
.eng-modal .modal-close {
  margin-left: auto;
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--text); cursor: pointer;
  border-radius: 8px; padding: 3px 8px; font-size: 11px;
}
.eng-modal .modal-body { padding: 12px 16px; overflow-y: auto; flex: 1; }
.eng-modal .modal-search {
  width: 100%;
  background:var(--bg-card);
  border:1px solid var(--border);
  color:var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 10px;
}
.eng-modal .palette-row {
  display: grid; grid-template-columns: 28px 1fr auto;
  gap: 12px; align-items: center;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: background .12s;
}
.eng-modal .palette-row:hover,
.eng-modal .palette-row.active {
  background: rgba(58,142,230,.18);
  color:var(--text);
}
.eng-modal .palette-row .icon { font-size: 18px; }
.eng-modal .palette-row .desc { font-size: 11px; color:var(--muted); margin-top: 2px; }
.eng-modal .palette-row .kbd  { font-size: 10px; color:var(--muted); font-family: monospace; }

.eng-modal .glossary-row {
  padding: 10px 12px;
  border-radius: 8px;
  margin: 4px 0;
  background:var(--bg-card);
  border:1px solid var(--border);
}
.eng-modal .glossary-row .term { font-weight: 700; color: var(--persona-glow-cool, #3a8ee6); font-size: 13px; }
.eng-modal .glossary-row .defn { font-size: 12px; color:var(--text); margin-top: 4px; line-height: 1.45; }
.eng-modal .glossary-row .also { font-size: 10px; color:var(--muted); margin-top: 4px; }

.eng-modal .shortcut-row {
  display: grid; grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 8px 10px;
  border-bottom:1px solid var(--border);
  font-size: 12.5px;
}
.eng-modal .shortcut-row .kbd {
  font-family: monospace;
  background:var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  color:var(--text);
}

@keyframes modal-bg-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-bg-out { from { opacity: 1; } to { opacity: 0; } }
@keyframes modal-in     { from { transform: translateY(-10px); opacity: .4; } to { transform: translateY(0); opacity: 1; } }
@keyframes modal-out    { from { transform: translateY(0); opacity: 1; } to { transform: translateY(-10px); opacity: 0; } }

/* ── Welcome banner (first-run, dismissible) ─────────────────────────── */
.welcome-banner {
  margin: 0 0 14px;
  padding: 16px 20px 14px;
  background: linear-gradient(135deg, rgba(176,141,87,.10), rgba(58,142,230,.08));
  border: 1px solid rgba(176,141,87,.4);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
}
.welcome-banner::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(800px 200px at 30% 0%, rgba(245,182,91,.15), transparent 60%);
  pointer-events: none;
}
.welcome-banner h2 {
  margin: 0 0 6px;
  font-family: Orbitron, monospace;
  font-size: 16px;
  letter-spacing: 1px;
  color: #f5b65b;
}
.welcome-banner p { margin: 0 0 10px; font-size: 13px; line-height: 1.5; color:var(--text); }
.welcome-banner .welcome-steps {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 10px;
}
.welcome-banner .welcome-step {
  font-size: 11.5px;
  padding: 6px 11px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius: 999px;
  color:var(--text);
}
.welcome-banner .welcome-step strong { color: #f5b65b; }
.welcome-banner .welcome-dismiss {
  position: absolute; top: 10px; right: 10px;
  background:var(--bg-card);
  border:1px solid var(--border);
  color:var(--text);
  border-radius: 8px; padding: 4px 10px;
  cursor: pointer; font-size: 11px;
}
.welcome-banner .welcome-dismiss:hover { background: rgba(255,255,255,.1); }

/* ── Recipe picker (Quick Dispatch upgrade) ──────────────────────────── */
.recipe-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.recipe-card {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: background .18s, border-color .18s, transform .12s;
  font-size: 12.5px;
  color: rgba(255,255,255,.9);
}
.recipe-card:hover {
  background: rgba(58,142,230,.10);
  border-color: var(--persona-glow-cool, #3a8ee6);
  transform: translateY(-1px);
}
.recipe-card:active { transform: scale(.97); }
.recipe-card .recipe-icon { font-size: 22px; flex-shrink: 0; }
.recipe-card .recipe-body { flex: 1; }
.recipe-card .recipe-title { font-weight: 600; font-size: 12.5px; }
.recipe-card .recipe-sub   { font-size: 10.5px; color:var(--muted); }

/* ── Persona greeting strip ──────────────────────────────────────────── */
.persona-greeting {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  background: linear-gradient(90deg, rgba(176,141,87,.1), rgba(255,255,255,.02));
  border: 1px solid rgba(176,141,87,.25);
  border-radius: 12px;
  margin-bottom: 12px;
}
.persona-greeting .pg-avatar {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(245,182,91,.18);
  display: grid; place-items: center;
  font-size: 22px;
  flex-shrink: 0;
  box-shadow: 0 0 18px -4px #f5b65b;
}
.persona-greeting .pg-msg {
  font-size: 12.5px;
  color:var(--text);
}
.persona-greeting .pg-msg b { color: #f5b65b; }

/* ── Persona role bubble (added under codename) ──────────────────────── */
.eng-persona-card .persona-role-bubble {
  font-size: 11px;
  color:var(--text);
  background:var(--bg-card);
  border:1px solid var(--border);
  border-left: 3px solid var(--persona-color, #3a8ee6);
  padding: 6px 10px;
  border-radius: 6px;
  margin: 6px 0 8px;
  font-style: italic;
  line-height: 1.4;
}

/* ── Page transitions (apply to .eng-panel switching) ────────────────── */
.eng-panel { animation: panel-in .26s cubic-bezier(.2,.8,.2,1); }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Theme toggle (light mode override applied via [data-theme]) ─────── */
[data-theme="light"] {
  --persona-card-bg: rgba(255,255,255,.92);
  --persona-card-border: rgba(0,0,0,.08);
  --persona-card-shadow: 0 4px 18px rgba(0,0,0,.08);
  --evo-bar-bg: rgba(0,0,0,.06);
}
[data-theme="light"] body,
[data-theme="light"] .eng-app,
[data-theme="light"] .evo-app {
  background: #f6f8fb !important;
  color: #1a1d24 !important;
}
[data-theme="light"] .eng-card,
[data-theme="light"] .evo-card,
[data-theme="light"] .vp-card {
  background: white !important;
  border-color: rgba(0,0,0,.08) !important;
  color: #1a1d24 !important;
}
[data-theme="light"] .skeleton {
  background: linear-gradient(90deg, rgba(0,0,0,.04), rgba(0,0,0,.10), rgba(0,0,0,.04));
  background-size: 200% 100%;
}

/* ── Mobile responsive ──────────────────────────────────────────────── */
@media (max-width: 640px) {
  .eng-premium-bar { right: 8px; padding: 4px 6px; gap: 4px; }
  .eng-premium-bar button { padding: 4px 7px; font-size: 10px; }
  .toast-host { left: 12px; right: 12px; max-width: none; }
  .recipe-picker { grid-template-columns: 1fr; }
  .welcome-banner { padding: 12px 14px; }
  .welcome-banner h2 { font-size: 14px; }
  .eng-modal { width: 96vw; max-height: 80vh; }
  .eng-modal .modal-search { font-size: 13px; padding: 8px 10px; }
}
