/* ═══════════════════════════════════════════════════════════
   Pixel Agents v2 — Layout
   App shell, sidebar, top bar, content area, responsive
   ═══════════════════════════════════════════════════════════ */

/* ── App Shell Grid ── */
.pa-shell {
  display: grid;
  grid-template-columns: var(--pa-sidebar-width) 1fr;
  grid-template-rows: var(--pa-topbar-height) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  height: 100vh;
  overflow: hidden;
}

/* ══════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════ */
.pa-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--pa-surface);
  border-right: 1px solid var(--pa-sep);
  padding: 1.25rem 0;
  overflow-y: auto;
  z-index: 50;
  transition: width var(--pa-transition);
}

/* Logo / Wordmark */
.pa-sidebar-logo {
  padding: 0 1.25rem 1.5rem;
  font-family: var(--pa-font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--pa-text);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
}

.pa-sidebar-logo .pa-logo-accent {
  color: var(--pa-primary);
}

/* Operator badge */
.pa-sidebar-operator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.7rem;
  color: var(--pa-text-muted);
  white-space: nowrap;
  overflow: hidden;
}

.pa-sidebar-operator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pa-secondary);
  flex-shrink: 0;
}

/* Pro creator badge state */
.pa-sidebar-operator--pro {
  color: var(--pa-primary);
}

.pa-sidebar-operator--pro .pa-sidebar-operator-dot {
  background: var(--pa-primary);
  box-shadow: 0 0 8px var(--pa-primary-glow);
}

/* Navigation */
.pa-sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 0.5rem;
}

.pa-sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--pa-radius-md);
  font-family: var(--pa-font-display);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--pa-text-muted);
  transition: all var(--pa-transition-fast);
  position: relative;
  white-space: nowrap;
  overflow: hidden;
}

.pa-sidebar-nav a i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.pa-sidebar-nav a:hover {
  color: var(--pa-text);
  background: rgba(255, 255, 255, 0.04);
}

.pa-sidebar-nav a.active {
  color: var(--pa-primary);
  background: var(--pa-primary-dim);
  font-weight: 600;
}

.pa-sidebar-nav a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--pa-primary);
}

.pa-sidebar-nav a[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
}

/* "Soon" badge */
.pa-coming-soon {
  font-size: 0.55rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 1px 6px;
  border-radius: var(--pa-radius-pill);
  background: var(--pa-primary-dim);
  color: var(--pa-primary);
  margin-left: auto;
}

/* New Agent CTA */
.pa-sidebar-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin: 0.75rem 0.75rem 0;
  padding: 0.65rem 0.75rem;
  border-radius: var(--pa-radius-md);
  font-family: var(--pa-font-display);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--pa-primary);
  color: #fff;
  transition: all var(--pa-transition-fast);
  white-space: nowrap;
  overflow: hidden;
}

.pa-sidebar-cta i {
  font-size: 0.75rem;
  flex-shrink: 0;
}

.pa-sidebar-cta:hover {
  background: var(--pa-primary-hover);
  box-shadow: 0 4px 16px var(--pa-primary-glow);
}

/* Sidebar resources (docs, faq, changelog, contact) */
.pa-sidebar-resources {
  padding: 0.5rem 0.5rem 0;
  border-top: 1px solid var(--pa-sep);
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.pa-sidebar-resources a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--pa-radius-md);
  font-family: var(--pa-font-display);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--pa-text-faint);
  text-decoration: none;
  transition: all var(--pa-transition-fast);
  white-space: nowrap;
}

.pa-sidebar-resources a i {
  font-size: 0.65rem;
  width: 1rem;
  text-align: center;
}

.pa-sidebar-resources a:hover {
  color: var(--pa-text-muted);
  background: rgba(255, 255, 255, 0.03);
}

.pa-sidebar-resources a.active {
  color: var(--pa-text);
}

/* Sidebar footer */
.pa-sidebar-footer {
  padding: 0.75rem 0.5rem 0;
  border-top: 1px solid var(--pa-sep);
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.pa-sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--pa-radius-md);
  font-family: var(--pa-font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--pa-text-muted);
  transition: all var(--pa-transition-fast);
  white-space: nowrap;
  overflow: hidden;
}

.pa-sidebar-link i {
  font-size: 0.85rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.pa-sidebar-link:hover {
  color: var(--pa-text);
  background: rgba(255, 255, 255, 0.04);
}

.pa-sidebar-link.active {
  color: var(--pa-primary);
  background: var(--pa-primary-dim);
}

.pa-sidebar-link[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
}

/* ══════════════════════════════════════
   TOP BAR
   ══════════════════════════════════════ */
.pa-topbar-v2 {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: var(--pa-surface);
  border-bottom: 1px solid var(--pa-sep);
  z-index: 40;
}

.pa-wordmark {
  font-family: var(--pa-font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--pa-text);
}

.pa-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pa-btn-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--pa-radius-md);
  color: var(--pa-text-muted);
  font-size: 0.9rem;
  transition: all var(--pa-transition-fast);
}

.pa-btn-icon:hover {
  color: var(--pa-text);
  background: rgba(255, 255, 255, 0.06);
}

/* Avatar */
.pa-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--pa-primary-dim);
  border: 1.5px solid var(--pa-primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--pa-primary);
  cursor: pointer;
  overflow: hidden;
}

.pa-avatar-menu {
  position: absolute;
  top: calc(var(--pa-topbar-height) + 4px);
  right: 1rem;
  background: var(--pa-surface-raised);
  border: 1px solid var(--pa-sep-strong);
  border-radius: var(--pa-radius-md);
  padding: 0.5rem;
  min-width: 180px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 100;
  display: none;
}

.pa-avatar-menu.open { display: block; }

.pa-avatar-menu a,
.pa-avatar-menu button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--pa-text-muted);
  border-radius: var(--pa-radius-sm);
  transition: all var(--pa-transition-fast);
}

.pa-avatar-menu a:hover,
.pa-avatar-menu button:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--pa-text);
}

/* ══════════════════════════════════════
   MAIN CONTENT AREA
   ══════════════════════════════════════ */
.pa-main {
  grid-area: main;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2rem;
  scrollbar-gutter: stable;
}

.pa-section {
  margin-bottom: 3rem;
}

.pa-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.pa-section-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.pa-section-label {
  display: block;
  font-family: var(--pa-font-display);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--pa-secondary);
  margin-bottom: 0.25rem;
}

.pa-section-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--pa-radius-sm);
  color: var(--pa-text-muted);
  font-size: 0.8rem;
  transition: all var(--pa-transition-fast);
}

.pa-section-link:hover {
  color: var(--pa-text);
  background: rgba(255, 255, 255, 0.06);
}

.pa-section-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pa-section-view-all {
  font-family: var(--pa-font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--pa-text-muted);
  transition: color var(--pa-transition-fast);
}

.pa-section-view-all:hover {
  color: var(--pa-text);
}

.pa-section-sub {
  font-size: 0.82rem;
  color: var(--pa-text-muted);
  margin-top: 0.25rem;
}

/* ══════════════════════════════════════
   BOTTOM NAV (Mobile)
   ══════════════════════════════════════ */
.pa-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--pa-bottom-nav-height);
  background: var(--pa-surface);
  border-top: 1px solid var(--pa-sep);
  z-index: 100;
}

.pa-bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  font-family: var(--pa-font-display);
  font-size: 0.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--pa-text-muted);
  transition: color var(--pa-transition-fast);
}

.pa-bottom-nav a i {
  font-size: 1.1rem;
}

.pa-bottom-nav a.active {
  color: var(--pa-primary);
}

.pa-bottom-nav a[aria-disabled="true"] {
  opacity: 0.3;
  pointer-events: none;
}

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */

/* Tablet — sidebar collapses to icon rail */
@media (max-width: 1024px) {
  .pa-shell {
    grid-template-columns: var(--pa-sidebar-collapsed) 1fr;
  }

  .pa-sidebar {
    width: var(--pa-sidebar-collapsed);
    padding: 1rem 0;
    align-items: center;
  }

  .pa-sidebar-logo {
    font-size: 0.55rem;
    letter-spacing: 2px;
    padding: 0 0.5rem 1rem;
    text-align: center;
  }

  .pa-sidebar-nav a span,
  .pa-sidebar-link span,
  .pa-sidebar-cta span,
  .pa-coming-soon,
  .pa-sidebar-operator span:not(.pa-sidebar-operator-dot) {
    display: none;
  }

  .pa-sidebar-nav a {
    justify-content: center;
    padding: 0.7rem;
  }

  .pa-sidebar-nav a.active::before {
    top: 8px;
    bottom: 8px;
  }

  .pa-sidebar-cta {
    justify-content: center;
    padding: 0.65rem;
    margin: 0.5rem;
  }

  .pa-sidebar-link {
    justify-content: center;
    padding: 0.5rem;
  }

  .pa-sidebar-operator {
    justify-content: center;
    padding: 0 0.5rem;
  }

  .pa-main {
    padding: 1.5rem;
  }
}

/* Mobile — sidebar hidden, bottom nav visible */
@media (max-width: 768px) {
  .pa-shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--pa-topbar-height) 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }

  .pa-sidebar {
    display: none;
  }

  .pa-bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
  }

  .pa-main {
    padding: 1.25rem;
    padding-bottom: calc(var(--pa-bottom-nav-height) + 1rem);
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .pa-main {
    padding: 1rem;
    padding-bottom: calc(var(--pa-bottom-nav-height) + 1rem);
  }

  .pa-topbar-v2 {
    padding: 0 1rem;
  }

  .pa-wordmark {
    font-size: 0.72rem;
    letter-spacing: 1.5px;
  }
}

/* ══════════════════════════════════════
   LIGHT THEME — Layout Overrides
   ══════════════════════════════════════ */

body[data-theme="light"] .pa-sidebar-nav a:hover {
  background: rgba(0, 0, 0, 0.04);
}

body[data-theme="light"] .pa-avatar-menu {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

body[data-theme="light"] .pa-avatar-menu a:hover,
body[data-theme="light"] .pa-avatar-menu button:hover {
  background: rgba(0, 0, 0, 0.04);
}