/* ============================================================================
 * tradeStack — Layout (RunPod-style: fixed sidebar + slim topbar)
 * ========================================================================= */

:root {
  --sidebar-width: 232px;
  --sidebar-rail: 56px;
  --topbar-height: 56px;
}

.app-shell {
  min-height: 100vh;
  background: var(--bg-base);
}

/* ── sidebar ───────────────────────────────────────────────────────────── */

.ts-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
  border-right: 1px solid var(--border-subtle);
  z-index: 50;
  transition: transform 160ms var(--ease-out);
}

.ts-sidebar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-height);
  padding: 0 14px 0 16px;
  flex-shrink: 0;
}
.ts-sidebar__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  opacity: 0.85;
  transition: opacity 120ms var(--ease-out);
}
.ts-sidebar__brand:hover { opacity: 1; }
.ts-sidebar__brand img { height: 22px; width: auto; display: block; }

.ts-sidebar__collapse {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.ts-sidebar__collapse:hover {
  background: rgba(var(--gray-base-rgb), 0.10);
  color: var(--text-primary);
}

/* nav body */
.ts-sidebar__body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 4px 8px 16px;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--gray-base-rgb), 0.25) transparent;
}
.ts-sidebar__body::-webkit-scrollbar { width: 6px; }
.ts-sidebar__body::-webkit-scrollbar-thumb {
  background: rgba(var(--gray-base-rgb), 0.25);
  border-radius: 3px;
}

.ts-sidebar__group { margin-top: 6px; }
.ts-sidebar__group + .ts-sidebar__group { margin-top: 14px; }

.ts-sidebar__group-label {
  padding: 8px 12px 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.ts-sidebar__link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.25;
  white-space: nowrap;
  transition: background 120ms, color 120ms;
}
.ts-sidebar__link:hover {
  background: rgba(var(--gray-base-rgb), 0.08);
  color: var(--text-primary);
}
.ts-sidebar__link[aria-current="page"] {
  background: rgba(var(--gray-base-rgb), 0.14);
  color: var(--text-primary);
}
.ts-sidebar__link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
  stroke-width: 1.75;
}
.ts-sidebar__link:hover svg,
.ts-sidebar__link[aria-current="page"] svg { opacity: 1; }

.ts-sidebar__foot {
  padding: 10px 8px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

/* mobile backdrop */
.ts-sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 45;
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms;
}
body.ts-sidebar-open .ts-sidebar-backdrop {
  opacity: 1;
  visibility: visible;
}

/* ── main column + topbar ──────────────────────────────────────────────── */

.app-main {
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--topbar-height);
  padding: 0 20px;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-subtle);
}

.topbar__menu-btn {
  display: none;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  cursor: pointer;
}
.topbar__menu-btn:hover {
  background: rgba(var(--gray-base-rgb), 0.10);
  color: var(--text-primary);
}

/* ── desktop: sidebar collapsed to icon rail ───────────────────────────── */
body.ts-sidebar-collapsed .ts-sidebar {
  width: var(--sidebar-rail);
}
body.ts-sidebar-collapsed .app-main {
  margin-left: var(--sidebar-rail);
}
/* head: keep only the collapse (now expand) button, centred */
body.ts-sidebar-collapsed .ts-sidebar__head {
  padding: 0;
  justify-content: center;
}
body.ts-sidebar-collapsed .ts-sidebar__brand {
  display: none;
}
/* hide section labels, show only icons; centre items */
body.ts-sidebar-collapsed .ts-sidebar__group-label { display: none; }
body.ts-sidebar-collapsed .ts-sidebar__body { padding: 4px 6px 16px; }
body.ts-sidebar-collapsed .ts-sidebar__link {
  justify-content: center;
  padding: 8px 0;
  gap: 0;
}
body.ts-sidebar-collapsed .ts-sidebar__link > span { display: none; }
/* flip the collapse icon to an expand icon (rotate) */
body.ts-sidebar-collapsed .ts-sidebar__collapse svg { transform: scaleX(-1); }
/* always hide the topbar menu-btn when rail is visible on desktop */
body.ts-sidebar-collapsed .topbar__menu-btn { display: none; }

.topbar__crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  font-size: 13px;
  color: var(--text-secondary);
  overflow: hidden;
}
.topbar__crumbs a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-decoration-style: dashed;
  text-decoration-color: rgba(var(--gray-base-rgb), 0.35);
  text-underline-offset: 3px;
  transition: color 120ms;
}
.topbar__crumbs a:hover { color: var(--text-primary); }
.topbar__crumbs .sep {
  color: var(--text-tertiary);
  opacity: 0.6;
  flex-shrink: 0;
}
.topbar__crumbs .current {
  color: var(--text-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.topbar__icon-btn {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.topbar__icon-btn:hover {
  background: rgba(var(--gray-base-rgb), 0.10);
  color: var(--text-primary);
}

.env-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  color: var(--up);
  box-shadow: inset 0 0 0 1px rgba(38, 166, 154, 0.30);
  letter-spacing: 0.02em;
}
.env-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--up);
  box-shadow: 0 0 6px var(--up);
  animation: live-pulse 2s var(--ease-in-out) infinite;
}
@keyframes live-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.25); }
}

.topbar__user {
  position: relative;
  margin-left: 4px;
}
.topbar__user-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px 4px 4px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 0;
  color: var(--text-primary);
  cursor: pointer;
  font: inherit;
  line-height: 1;
  transition: background 120ms;
}
.topbar__user-trigger:hover { background: rgba(var(--gray-base-rgb), 0.10); }

.topbar__avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 450;
  color: #fff;
  background: var(--accent);
  flex-shrink: 0;
}
.topbar__user-name {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-primary);
}
.topbar__user-caret {
  opacity: 0.55;
  transition: transform 120ms;
}
.topbar__user[data-open="true"] .topbar__user-caret { transform: rotate(180deg); }

.topbar__user-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 200px;
  padding: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 120ms, transform 120ms, visibility 0s linear 120ms;
  z-index: 120;
}
.topbar__user:focus-within .topbar__user-menu,
.topbar__user[data-open="true"] .topbar__user-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.menu-item:hover {
  background: rgba(var(--gray-base-rgb), 0.10);
  color: var(--text-primary);
}
.menu-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 4px 0;
}

/* ── content + footer ──────────────────────────────────────────────────── */

.app-content {
  flex: 1 1 auto;
  padding: 24px 24px 48px;
}
.app-content__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.app-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  font-size: 12px;
}
.app-footer__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── responsive: drawer mode below 1024px ──────────────────────────────── */

@media (max-width: 1023px) {
  .ts-sidebar {
    transform: translateX(-100%);
    box-shadow: 2px 0 20px rgba(0,0,0,0.5);
  }
  body.ts-sidebar-open .ts-sidebar { transform: translateX(0); }

  .app-main { margin-left: 0; }
  .topbar__menu-btn { display: grid; }
}

@media (max-width: 640px) {
  .env-pill { display: none; }
  .topbar__user-name { display: none; }
  .app-content { padding: 16px 14px 40px; }
  .topbar { padding: 0 12px; }
}