/* ============================================================
   Synaptyx — Role shells + shared state patterns
   ============================================================
   • Left-rail shell for the PLATFORM role (.app--rail)
   • Empty / skeleton / error / modal patterns (all roles)
   • Brand chip, role-scoped nav rows
   Loads after shell-clean.css + pages.css.
   ============================================================ */

/* ─── LEFT-RAIL SHELL (platform admin) ───────────────────────── */
.app--rail {
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: 248px 1fr;
}
.app-side {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-default);
}
.app-side__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 56px;
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}
.app-side__brand .app-brand__logo { width: 22px; height: 22px; flex-shrink: 0; }
.app-side__brandtext { display: flex; flex-direction: column; line-height: 1.1; }
.app-side__brandtext b { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: 0.95rem; color: var(--fg-primary); }
.app-side__brandtext span {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: var(--tr-meta-upper);
  text-transform: uppercase; color: var(--accent);
}
.app-side__nav { flex: 1; min-height: 0; overflow-y: auto; padding: var(--space-3) var(--space-2); display: flex; flex-direction: column; gap: 1px; }
.app-side__group { font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--tr-meta-upper); text-transform: uppercase; color: var(--fg-muted); padding: var(--space-3) var(--space-3) var(--space-2); }
.app-side__item {
  display: flex; align-items: center; gap: var(--space-3);
  height: 36px; padding: 0 var(--space-3);
  border-radius: var(--radius-2);
  color: var(--fg-secondary);
  text-decoration: none;
  font-size: var(--fz-meta);
  font-weight: var(--fw-medium);
  transition: background var(--dur-hover), color var(--dur-hover);
}
.app-side__item svg { width: 16px; height: 16px; color: var(--fg-muted); flex-shrink: 0; }
.app-side__item > span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-side__item:hover { background: var(--bg-surface-2); color: var(--fg-primary); }
.app-side__item:hover svg { color: var(--fg-secondary); }
.app-side__item[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }
.app-side__item[aria-current="page"] svg { color: var(--accent); }
.app-side__item .app-side__badge { margin-left: auto; }
.app-side__foot {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3);
  display: flex; align-items: center; gap: var(--space-2);
}
.app-side__user { display: flex; align-items: center; gap: var(--space-2); min-width: 0; flex: 1; }
.app-side__user-meta { min-width: 0; line-height: 1.2; }
.app-side__user-meta b { display: block; font-size: var(--fz-meta); color: var(--fg-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-side__user-meta span { font-family: var(--font-mono); font-size: 10px; color: var(--fg-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* the right column of the rail shell: top strip + scrolling content */
.app-shell-main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
/* The scrolling content pane (#pa-root). Without this the platform pages
   render flush against the rail and bleed past the right viewport edge. */
.app-shell-content {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: var(--space-6) var(--space-6) var(--space-8);
}
.app-shell-content > * { max-width: 1360px; }
.app-strip {
  display: flex; align-items: center; gap: var(--space-3);
  height: 56px; padding: 0 var(--space-5);
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-surface);
  flex-shrink: 0;
}
.app-strip__title { font-family: var(--font-display); font-size: 1.05rem; font-weight: var(--fw-medium); color: var(--fg-primary); }
.app-strip__spacer { flex: 1; }

/* ─── EMPTY STATE ────────────────────────────────────────────── */
.pg-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: var(--space-3);
  padding: var(--space-8) var(--space-5);
  min-height: 240px;
}
.pg-empty__icon {
  width: 48px; height: 48px; border-radius: var(--radius-3);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-surface-2); color: var(--fg-muted);
  border: 1px solid var(--border-subtle);
}
.pg-empty__icon svg { width: 22px; height: 22px; }
.pg-empty__title { font-size: var(--fz-body); font-weight: var(--fw-medium); color: var(--fg-primary); }
.pg-empty__desc { font-size: var(--fz-meta); color: var(--fg-muted); max-width: 360px; line-height: var(--lh-body); }

/* ─── SKELETON ───────────────────────────────────────────────── */
.pg-skeleton { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-4); }
.pg-skel-row { height: 16px; border-radius: var(--radius-1); background: linear-gradient(90deg, var(--bg-surface-2) 0%, var(--bg-elevated) 50%, var(--bg-surface-2) 100%); background-size: 200% 100%; animation: pg-shimmer 1.4s ease-in-out infinite; }
@keyframes pg-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ─── ERROR BANNER ───────────────────────────────────────────── */
.pg-error {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid color-mix(in srgb, var(--danger) 40%, var(--border-default));
  background: color-mix(in srgb, var(--danger) 8%, transparent);
  border-radius: var(--radius-2);
  font-family: var(--font-mono);
  font-size: var(--fz-meta);
  color: var(--danger);
}
.pg-error svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ─── MODAL ──────────────────────────────────────────────────── */
.pg-scrim {
  position: fixed; inset: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg-canvas) 70%, black);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-5);
}
.pg-modal {
  width: 100%; max-width: 480px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-3);
  box-shadow: var(--shadow-3, 0 24px 60px rgba(0,0,0,.5));
  display: flex; flex-direction: column;
  overflow: hidden;
}
.pg-modal--wide { max-width: 620px; }
.pg-modal__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-subtle); }
.pg-modal__title { font-family: var(--font-display); font-size: var(--fz-h3); color: var(--fg-primary); font-weight: var(--fw-medium); }
.pg-modal__body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); max-height: 64vh; overflow-y: auto; }
.pg-modal__foot { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-2); padding: var(--space-4) var(--space-5); border-top: 1px solid var(--border-subtle); }
.pg-modal__foot--split { justify-content: space-between; }
.pg-modal__danger-note { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fz-meta); color: var(--danger); }
.pg-modal__danger-note svg { width: 15px; height: 15px; }

/* ─── ROLE-SWITCH (index) ────────────────────────────────────── */
.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 960px) { .role-grid { grid-template-columns: 1fr; } }
.role-card { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); text-decoration: none; transition: border-color var(--dur-hover), transform var(--dur-hover); }
.role-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.role-card__icon { width: 44px; height: 44px; border-radius: var(--radius-3); display: inline-flex; align-items: center; justify-content: center; background: var(--accent-soft); color: var(--accent); }
.role-card__icon svg { width: 22px; height: 22px; }
.role-card__name { font-family: var(--font-display); font-size: var(--fz-h3); color: var(--fg-primary); font-weight: var(--fw-medium); }
.role-card__mandate { font-size: var(--fz-meta); color: var(--fg-muted); line-height: var(--lh-body); }
.role-card__pages { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-1); }
.role-card__pages li { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-mono); font-size: 11px; color: var(--fg-secondary); }
.role-card__pages svg { width: 12px; height: 12px; color: var(--fg-muted); }
.role-card__cta { margin-top: auto; display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--fz-meta); font-weight: var(--fw-medium); color: var(--accent); }

/* small table inline detail tabs */
.pg-detail-tabs { display: flex; gap: var(--space-1); padding: 0 var(--space-1); }

/* two-column "offer / mandatory" skill layout */
.pg-skill-cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 880px) { .pg-skill-cols { grid-template-columns: 1fr; } }
.pg-skillrow { display: grid; grid-template-columns: 1fr auto; gap: var(--space-3); align-items: center; padding: var(--space-3); border: 1px solid var(--border-subtle); border-radius: var(--radius-2); }
.pg-skillrow__name { font-size: var(--fz-meta); font-weight: var(--fw-medium); color: var(--fg-primary); }
.pg-skillrow__desc { font-size: 11px; color: var(--fg-muted); line-height: 1.4; }
.pg-skillrow--locked { opacity: 0.85; }
.pg-lock { display: inline-flex; align-items: center; gap: var(--space-2); font-size: 11px; color: var(--fg-muted); font-family: var(--font-mono); }
.pg-lock svg { width: 12px; height: 12px; }

/* simple toggle switch */
.pg-switch { position: relative; width: 38px; height: 22px; flex-shrink: 0; cursor: pointer; }
.pg-switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.pg-switch__track { position: absolute; inset: 0; border-radius: var(--radius-pill); background: var(--bg-elevated); border: 1px solid var(--border-default); transition: background var(--dur-hover); }
.pg-switch__thumb { position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--fg-muted); transition: transform var(--dur-hover), background var(--dur-hover); }
.pg-switch input:checked ~ .pg-switch__track { background: var(--accent); border-color: var(--accent); }
.pg-switch input:checked ~ .pg-switch__track .pg-switch__thumb,
.pg-switch input:checked ~ .pg-switch__thumb { transform: translateX(16px); background: white; }