/* Developer Portal — icon rail + full-bleed workspace */

.melode-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.melode-sidebar-brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.melode-nav-label,
.melode-user-chip-text {
  min-width: 0;
}

.melode-user-chip-text {
  display: flex;
  flex-direction: column;
}

.melode-rail-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  margin-left: auto;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  flex-shrink: 0;
}

.melode-rail-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.melode-rail-toggle svg {
  width: 1rem;
  height: 1rem;
  transition: transform 0.15s ease;
}

/* ── Collapsed icon rail (desktop developer portal) ───────── */
/* melode-ui fixes the sidebar and reserves 15.5rem on .melode-main —
   when the rail collapses we must shrink that offset or a white gap appears. */

@media (min-width: 901px) {
  .melode-shell.is-rail-collapsed .melode-rail-toggle {
    display: inline-flex;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-rail-toggle {
    margin: 0;
  }

  .melode-shell.is-rail-collapsed.is-rail-expanded .melode-rail-toggle svg {
    transform: rotate(180deg);
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar {
    width: 3.5rem;
    min-width: 3.5rem;
    max-width: 3.5rem;
    overflow: hidden;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-main {
    margin-left: 3.5rem !important;
    width: calc(100% - 3.5rem) !important;
  }

  .melode-shell.is-rail-collapsed.is-rail-expanded .melode-main {
    margin-left: 15.5rem !important;
    width: calc(100% - 15.5rem) !important;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-brand-text,
  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-group-label,
  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-nav-label,
  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-user-chip-text,
  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-footer-form {
    display: none !important;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-header {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 0.35rem;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-brand {
    justify-content: center;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-brand-mark {
    width: 1.5rem;
    height: auto;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-nav {
    padding: 0.35rem;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-nav-link {
    justify-content: center;
    align-items: center;
    width: 2.5rem;
    height: 2.5rem;
    margin: 0 auto 0.2rem;
    padding: 0;
    border-radius: 10px;
    gap: 0;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-nav-link svg {
    margin: 0;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-nav-link.is-active {
    box-shadow: none;
    background: rgba(255, 255, 255, 0.1);
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-footer {
    padding: 0.5rem 0.35rem;
    display: flex;
    justify-content: center;
  }

  .melode-shell.is-rail-collapsed:not(.is-rail-expanded) .melode-user-chip {
    justify-content: center;
    padding: 0.25rem;
  }
}

/* ── Mobile / tablet: off-canvas drawer ───────────────────── */

@media (max-width: 900px) {
  .melode-shell.is-dev-workspace .melode-rail-toggle {
    display: none;
  }

  .melode-shell.is-dev-workspace .melode-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 60;
    width: min(17rem, 86vw);
    min-width: 0;
    max-width: min(17rem, 86vw);
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    box-shadow: none;
  }

  .melode-shell.is-dev-workspace.is-nav-open .melode-sidebar {
    transform: translateX(0);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 12px 0 40px rgba(0, 0, 0, 0.45);
  }

  /* Cancel desktop fixed-sidebar offset while the rail is a drawer */
  .melode-shell.is-dev-workspace .melode-main,
  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-main,
  .melode-shell.is-dev-workspace.is-rail-collapsed.is-rail-expanded .melode-main {
    margin-left: 0 !important;
    width: 100% !important;
  }

  .melode-shell.is-dev-workspace .melode-nav-backdrop {
    z-index: 55;
  }

  .melode-shell.is-dev-workspace.is-nav-open .melode-nav-backdrop {
    display: block;
  }

  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar {
    width: min(17rem, 86vw);
    min-width: 0;
    max-width: min(17rem, 86vw);
  }

  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-brand-text,
  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-group-label,
  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-nav-label,
  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-user-chip-text,
  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-footer-form {
    display: flex;
  }

  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-sidebar-group-label {
    display: block;
  }

  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-nav-label {
    display: inline;
  }

  .melode-shell.is-dev-workspace.is-rail-collapsed:not(.is-rail-expanded) .melode-nav-link {
    justify-content: flex-start;
    width: auto;
    height: auto;
    margin: 0 0 0.125rem;
    padding: 0.55rem 0.75rem;
    gap: 0.625rem;
  }
}

/* Full-bleed developer workspace */
.melode-shell.is-dev-workspace {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.melode-shell.is-dev-workspace .melode-main {
  background: #0c0e12;
  min-height: 0;
  min-width: 0;
}

.melode-shell.is-dev-workspace .melode-header {
  display: none;
}

.melode-shell.is-dev-workspace .melode-content {
  padding: 0;
  max-width: none;
  margin: 0;
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.melode-shell.is-dev-workspace .melode-content > .melode-alert {
  margin: 0.75rem 1rem 0;
}

/* Portal layout + dark DS tokens */
.dev-portal {
  --dev-surface: #11141b;
  --dev-surface-sunk: #0c0e12;
  --dev-line: #1e2430;
  --dev-line-strong: #2a3140;
  --dev-ink: #e8eaed;
  --dev-ink-muted: rgba(232, 234, 237, 0.55);
  --dev-ink-faint: rgba(232, 234, 237, 0.4);
  --dev-r: 10px;
  --dev-r-sm: 8px;

  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  height: 100%;
  background: var(--dev-surface-sunk);
  color: var(--dev-ink);
  font-family: var(--m-font, "Instrument Sans", system-ui, sans-serif);
}

.dev-portal-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.85rem 1.25rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--dev-line);
  background: var(--dev-surface);
  flex-shrink: 0;
  /* Stay in the stage column — End session / Pop out sit left of ops chat */
  width: 100%;
  box-sizing: border-box;
}

.dev-portal-top-primary {
  display: flex;
  align-items: flex-end;
  gap: 0.65rem;
  min-width: 0;
  flex: 0 1 16rem;
}

.dev-portal-top-primary .dev-field-org {
  flex: 1 1 auto;
  min-width: 0;
}

.dev-portal-top-trailing {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  margin-left: auto;
  padding-bottom: 1px; /* optical align with 2.25rem controls */
}

.dev-portal-menu {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border-radius: var(--dev-r-sm);
  border: 1px solid var(--dev-line-strong);
  background: var(--dev-surface-sunk);
  color: var(--dev-ink);
  cursor: pointer;
  flex-shrink: 0;
}

.dev-portal-menu:hover {
  background: #161a22;
}

.dev-portal-menu svg {
  width: 1.1rem;
  height: 1.1rem;
}

@media (max-width: 900px) {
  .dev-portal-menu {
    display: inline-flex;
  }
}

.dev-field {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.35rem;
  min-width: 0;
}

.dev-field-org {
  flex: 0 1 14rem;
}

.dev-field-stack {
  flex: 1 1 16rem;
  min-width: 12rem;
}

.dev-field-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dev-ink-muted);
  line-height: 1;
  height: 0.875rem;
}

.dev-stack-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.75rem;
  min-height: 2.25rem;
}

.dev-stack-groups {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.65rem 1.25rem;
}

.dev-stack-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.dev-page-tabs {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  height: 2.25rem;
  padding: 0.15rem;
  border-radius: 0.55rem;
  border: 1px solid var(--dev-line);
  background: var(--dev-surface-sunk);
}

.dev-page-tab {
  height: 1.95rem;
  padding: 0 0.85rem;
  border: 0;
  border-radius: 0.4rem;
  background: transparent;
  color: var(--dev-ink-muted);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
}

.dev-page-tab:hover {
  color: var(--dev-ink);
}

.dev-page-tab.is-active {
  background: var(--dev-surface);
  color: #fff;
  box-shadow: inset 0 0 0 1px var(--dev-line);
}

.dev-host-chip {
  display: inline-flex;
  align-items: center;
  max-width: 18rem;
  height: 1.75rem;
  padding: 0 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--dev-line);
  background: var(--dev-surface-sunk);
  color: var(--dev-ink-muted);
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* DS-style listbox (dark portal) */
.dev-select {
  position: relative;
  width: 100%;
  max-width: 16rem;
}

.dev-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  height: 2.25rem;
  padding: 0 0.7rem 0 0.8rem;
  border-radius: var(--dev-r-sm);
  border: 1px solid var(--dev-line-strong);
  background: var(--dev-surface-sunk);
  color: var(--dev-ink);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 450;
  letter-spacing: -0.01em;
  cursor: pointer;
  text-align: left;
  box-sizing: border-box;
}

.dev-select-trigger:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--brand-accent-vivid, #00b3dc) 35%, var(--dev-line-strong));
  background: #0f1218;
}

.dev-select-trigger:focus-visible {
  outline: none;
  border-color: var(--brand-accent-base, #00a1ca);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--brand-accent-base, #00a1ca) 22%, transparent);
}

.dev-select-trigger.is-open {
  border-color: var(--brand-accent-base, #00a1ca);
}

.dev-select-trigger:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.dev-select-value {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dev-select-chevron {
  width: 0.95rem;
  height: 0.95rem;
  flex-shrink: 0;
  color: var(--dev-ink-muted);
  transition: transform 0.15s ease;
}

.dev-select-trigger.is-open .dev-select-chevron {
  transform: rotate(180deg);
}

.dev-select-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 40;
  margin: 0;
  padding: 0.25rem;
  list-style: none;
  max-height: min(16rem, 50vh);
  overflow-y: auto;
  border-radius: var(--dev-r);
  border: 1px solid var(--dev-line-strong);
  background: #161a22;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.dev-select-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--dev-ink);
  font: inherit;
  font-size: 0.8125rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  text-align: left;
}

.dev-select-option:hover {
  background: rgba(255, 255, 255, 0.06);
}

.dev-select-option.is-active {
  background: color-mix(in srgb, var(--brand-accent-vivid, #00b3dc) 14%, transparent);
  color: #fff;
  font-weight: 500;
}

.dev-select-option-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dev-select-check {
  width: 0.9rem;
  height: 0.9rem;
  flex-shrink: 0;
  opacity: 0;
  color: var(--brand-accent-vivid, #00b3dc);
}

.dev-select-option.is-active .dev-select-check {
  opacity: 1;
}

/* MelodeSeg-style stack toggle (dark) */
.dev-seg {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 2.25rem;
  padding: 3px;
  border-radius: var(--dev-r-sm);
  background: #161a22;
  border: 1px solid var(--dev-line);
  box-sizing: border-box;
}

.dev-seg-btn {
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0 0.9rem;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--dev-ink-muted);
  font: inherit;
  font-size: 0.8125rem;
  letter-spacing: -0.008em;
  cursor: pointer;
  white-space: nowrap;
}

.dev-seg-btn:hover {
  color: var(--dev-ink);
}

.dev-seg-btn.is-on,
.dev-seg-btn[aria-pressed="true"] {
  background: var(--dev-surface-sunk);
  color: #fff;
  font-weight: 500;
  box-shadow: 0 0 0 1px var(--dev-line-strong);
}

.dev-seg.is-empty {
  padding: 0 0.85rem;
}

.dev-seg-empty {
  font-size: 0.8125rem;
  color: var(--dev-ink-faint);
}

.dev-end-form {
  display: inline-flex;
  margin: 0;
}

.dev-session-pill {
  display: inline-flex;
  align-items: center;
  height: 2.25rem;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: var(--dev-ink-muted);
  padding: 0 0.75rem;
  border-radius: var(--dev-r-sm);
  border: 1px solid var(--dev-line);
  background: transparent;
  white-space: nowrap;
  box-sizing: border-box;
}

.dev-portal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.25rem;
  padding: 0 0.9rem;
  border-radius: var(--dev-r-sm);
  border: 1px solid var(--dev-line-strong);
  background: var(--dev-surface-sunk);
  color: var(--dev-ink);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 450;
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
  box-sizing: border-box;
}

.dev-portal-btn:hover {
  background: #161a22;
  border-color: color-mix(in srgb, var(--brand-accent-vivid, #00b3dc) 30%, var(--dev-line-strong));
}

.dev-portal-btn.is-primary {
  background: var(--dev-ink);
  color: var(--dev-surface-sunk);
  border-color: var(--dev-ink);
  font-weight: 500;
}

.dev-portal-btn.is-primary:hover {
  background: #fff;
}

.dev-portal-btn.is-danger {
  background: transparent;
  border-color: #5a2430;
  color: #ffb4bc;
}

.dev-portal-btn.is-danger:hover {
  background: rgba(255, 84, 100, 0.08);
}

.dev-portal-body {
  display: flex;
  flex: 1;
  min-height: 0;
  position: relative;
  align-items: stretch;
}

.dev-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
}

.dev-term {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  /* Alpine x-show toggles display — keep layout on the inner pad, not here */
}

.dev-term-pad {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  padding: 1rem 1.25rem 1.25rem;
  background: var(--dev-surface, #11141b);
}

.dev-term-end-float {
  position: absolute;
  right: 1.5rem;
  left: auto;
  bottom: 1.5rem;
  z-index: 4;
  margin: 0;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 120, 130, 0.45);
  background: rgba(18, 12, 14, 0.88);
  color: #ffb4bc;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.2;
  cursor: pointer;
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.dev-term-end-float:hover:not(:disabled) {
  background: rgba(90, 24, 32, 0.92);
  border-color: rgba(255, 140, 150, 0.7);
  color: #ffd0d5;
}

.dev-term-end-float:disabled {
  opacity: 0.65;
  cursor: wait;
}

.dev-term-shell {
  display: flex;
  flex: 1;
  min-height: 0;
  min-width: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--dev-r-sm, 8px);
  border: 1px solid var(--dev-line-strong, #2a3140);
  background: #000;
  scrollbar-width: none;
}

.dev-term-shell::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.dev-term-frame {
  flex: 1;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
  min-height: 0;
  overflow: hidden;
}

.dev-term-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 1.25rem;
  text-align: center;
}

.dev-term-empty-mark {
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  border: 1px solid #2a3140;
  display: grid;
  place-items: center;
  color: rgba(232, 234, 237, 0.7);
}

.dev-term-empty-mark svg {
  width: 1.35rem;
  height: 1.35rem;
}

.dev-term-empty h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.dev-term-empty p {
  margin: 0;
  max-width: 28rem;
  font-size: 0.8125rem;
  color: rgba(232, 234, 237, 0.5);
  line-height: 1.5;
}

.dev-term-status {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 2;
  font-size: 0.6875rem;
  padding: 0.3rem 0.55rem;
  border-radius: 8px;
  background: rgba(12, 14, 18, 0.85);
  border: 1px solid #2a3140;
  color: rgba(232, 234, 237, 0.75);
  pointer-events: none;
  max-width: min(14rem, 40%);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dev-agent-rail {
  width: 26rem;
  min-width: 17.5rem;
  max-width: min(45rem, 55vw);
  border-left: 1px solid #1e2430;
  background: #11141b;
  display: flex;
  flex-direction: column;
  align-self: stretch;
  height: 100%;
  min-height: 0;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.dev-agent-resize {
  position: absolute;
  left: -3px;
  top: 0;
  bottom: 0;
  width: 8px;
  z-index: 6;
  cursor: col-resize;
  touch-action: none;
}

.dev-agent-resize::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background 0.12s ease;
}

.dev-agent-resize:hover::after,
.dev-agent-rail.is-resizing .dev-agent-resize::after {
  background: color-mix(in srgb, var(--brand-accent-vivid, #00b3dc) 70%, #2a3140);
}

.dev-agent-rail.is-resizing {
  user-select: none;
}

.dev-agent-rail.is-resizing ~ .dev-stage,
body:has(.dev-agent-rail.is-resizing) .dev-term-frame {
  pointer-events: none;
}

/* Collapsed: no grey strip (was reading as a scrollbar). Float the toggle only. */
.dev-agent-rail.is-collapsed {
  width: 0 !important;
  min-width: 0;
  max-width: none;
  border-left: 0;
  background: transparent;
  overflow: visible;
}

.dev-agent-rail.is-collapsed .dev-agent-body,
.dev-agent-rail.is-collapsed .dev-agent-title {
  display: none;
}

.dev-agent-rail.is-collapsed .dev-agent-head {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 5;
  width: auto;
  padding: 0;
  border: 0;
  background: transparent;
}

.dev-agent-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid #1e2430;
  flex-shrink: 0;
}

.dev-agent-head-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dev-agent-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(232, 234, 237, 0.55);
}

.dev-agent-body {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 0;
  gap: 0;
  overflow: hidden;
}

.dev-agent-stack {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}

.dev-chat-tabs {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-shrink: 0;
  border-bottom: 1px solid #1e2430;
  background: #0c0e12;
  min-height: 2.35rem;
}

.dev-chat-tabs-scroll {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: #2a3140 transparent;
}

.dev-chat-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  max-width: 12.5rem;
  padding: 0.35rem 0.3rem 0.35rem 0.55rem;
  border: 0;
  border-right: 1px solid #1e2430;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  background: transparent;
  color: rgba(232, 234, 237, 0.55);
  font: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  flex-shrink: 0;
}

.dev-chat-tab:hover {
  color: rgba(232, 234, 237, 0.9);
  background: rgba(255, 255, 255, 0.03);
}

.dev-chat-tab.is-active {
  color: #e8eaed;
  background: #141821;
  border-bottom-color: var(--brand-accent-vivid, #00b3dc);
}

.dev-chat-tab-main {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  max-width: 9.5rem;
  padding: 0.2rem 0.15rem;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.dev-chat-tab-label {
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 7.5rem;
}

.dev-chat-tab-count {
  font-size: 0.625rem;
  font-variant-numeric: tabular-nums;
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(232, 234, 237, 0.65);
  line-height: 1.2;
}

.dev-chat-tab.is-active .dev-chat-tab-count {
  background: color-mix(in srgb, var(--brand-accent-vivid, #00b3dc) 28%, transparent);
  color: #e8eaed;
}

.dev-chat-tab-close {
  appearance: none;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: rgba(232, 234, 237, 0.4);
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
}

.dev-chat-tab:hover .dev-chat-tab-close,
.dev-chat-tab.is-active .dev-chat-tab-close {
  opacity: 1;
}

.dev-chat-tab-close:hover:not(:disabled) {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.dev-chat-tab-close:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.dev-chat-tab-new {
  appearance: none;
  flex-shrink: 0;
  width: 2.35rem;
  border: 0;
  border-left: 1px solid #1e2430;
  background: transparent;
  color: rgba(232, 234, 237, 0.7);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}

.dev-chat-tab-new:hover:not(:disabled) {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.dev-chat-tab-new:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.dev-agent-stack > .dev-meta,
.dev-agent-stack > .dev-agent-messages,
.dev-agent-stack > .dev-agent-compose {
  margin-left: 0.75rem;
  margin-right: 0.75rem;
}

.dev-agent-stack > .dev-meta {
  margin-top: 0.55rem;
}

.dev-agent-stack > .dev-agent-messages {
  margin-top: 0.55rem;
  margin-bottom: 0.55rem;
}

.dev-agent-stack > .dev-agent-compose {
  margin-bottom: 0.75rem;
}

.dev-meta-warn {
  color: #e8b86d;
}

.dev-agent-messages {
  flex: 1;
  overflow: auto;
  font-size: 0.8125rem;
  min-height: 0;
}

.dev-msg {
  margin-bottom: 0.85rem;
  padding: 0.65rem 0.7rem;
  border-radius: 10px;
  border: 1px solid #1e2430;
  background: #0c0e12;
}

.dev-msg.is-user {
  border-color: #2a3140;
  background: #141821;
}

.dev-msg.is-assistant {
  border-color: #243040;
}

.dev-msg-role {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(232, 234, 237, 0.45);
  margin-bottom: 0.35rem;
}

.dev-msg-body {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(232, 234, 237, 0.92);
  overflow-wrap: anywhere;
}

.dev-msg-body > :first-child {
  margin-top: 0;
}

.dev-msg-body > :last-child {
  margin-bottom: 0;
}

.dev-msg-body p {
  margin: 0.45rem 0;
}

.dev-msg-body ul,
.dev-msg-body ol {
  margin: 0.4rem 0;
  padding-left: 1.2rem;
}

.dev-msg-body li {
  margin: 0.2rem 0;
}

.dev-msg-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid #2a3140;
  border-radius: 4px;
  padding: 0.05rem 0.28rem;
}

.dev-msg-body pre {
  margin: 0.55rem 0;
  padding: 0.55rem 0.65rem;
  overflow: auto;
  border-radius: 8px;
  border: 1px solid #2a3140;
  background: #080a0e;
  font-size: 0.74rem;
  line-height: 1.45;
}

.dev-msg-body pre code {
  border: 0;
  background: transparent;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.dev-msg-body strong {
  font-weight: 600;
  color: #fff;
}

.dev-msg-fallback {
  white-space: pre-wrap;
  margin: 0;
  font: inherit;
}

.dev-cmd-panel {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.65rem;
}

.dev-code-pane {
  position: relative;
  border: 1px solid #2a3140;
  border-radius: 8px;
  background: #080a0e;
  overflow: hidden;
}

.dev-code-pane:hover .dev-code-pane-actions,
.dev-code-pane:focus-within .dev-code-pane-actions {
  opacity: 1;
}

.dev-code-pane-actions {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.12rem;
  border-radius: 7px;
  border: 1px solid #2a3140;
  background: rgba(12, 14, 18, 0.94);
  backdrop-filter: blur(6px);
  opacity: 0.85;
  transition: opacity 0.12s ease;
  pointer-events: auto;
}

.dev-code-icon {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.55rem;
  height: 1.55rem;
  padding: 0;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: rgba(232, 234, 237, 0.72);
  cursor: pointer;
}

.dev-code-icon:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.dev-code-icon.is-run:hover:not(:disabled) {
  background: color-mix(in srgb, var(--brand-accent-vivid, #00b3dc) 22%, transparent);
  color: #fff;
}

.dev-code-icon:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.dev-code-icon svg {
  width: 0.85rem;
  height: 0.85rem;
  display: block;
}

/* Beat .dev-msg-body pre padding so text clears Copy/Run */
.dev-msg-body .dev-code-pane > pre,
.dev-code-pane > pre,
.dev-cmd-code {
  margin: 0 !important;
  padding: 0.7rem 3.6rem 0.7rem 0.75rem !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.74rem;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  color: rgba(232, 234, 237, 0.92);
  overflow: auto;
  max-height: 12rem;
  box-sizing: border-box;
}

.dev-msg-body .dev-code-pane {
  margin: 0.55rem 0;
}

.dev-msg-body .dev-code-pane > pre {
  max-height: 14rem;
}

.dev-code-pane .hljs,
.dev-cmd-code.hljs,
.dev-code-pane code.hljs {
  display: block;
  padding: 0 !important;
  margin: 0;
  background: transparent !important;
  border: 0 !important;
  color: inherit;
  font: inherit;
  white-space: inherit;
  overflow-wrap: inherit;
  word-break: inherit;
}

/* Shell token colours (highlight.js) */
.dev-code-pane .hljs-keyword,
.dev-code-pane .hljs-built_in,
.dev-code-pane .hljs-selector-tag {
  color: #c792ea;
}

.dev-code-pane .hljs-string,
.dev-code-pane .hljs-attr {
  color: #c3e88d;
}

.dev-code-pane .hljs-number,
.dev-code-pane .hljs-literal {
  color: #f78c6c;
}

.dev-code-pane .hljs-comment,
.dev-code-pane .hljs-quote {
  color: #697098;
  font-style: italic;
}

.dev-code-pane .hljs-variable,
.dev-code-pane .hljs-template-variable,
.dev-code-pane .hljs-params {
  color: #89ddff;
}

.dev-code-pane .hljs-meta,
.dev-code-pane .hljs-meta .hljs-keyword {
  color: #ffcb6b;
}

.dev-code-pane .hljs-title,
.dev-code-pane .hljs-section,
.dev-code-pane .hljs-name {
  color: #82aaff;
}

.dev-code-pane .hljs-punctuation,
.dev-code-pane .hljs-operator {
  color: #89ddff;
}

.dev-code-pane .hljs-subst {
  color: #eeffff;
}

.dev-cmd-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.dev-cmd-row {
  display: flex;
  gap: 0.45rem;
  align-items: flex-start;
}

.dev-cmd-row code {
  flex: 1;
  min-width: 0;
  font-size: 0.72rem;
  background: #0c0e12;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
  border: 1px solid #2a3140;
  white-space: pre-wrap;
  word-break: break-word;
}

.dev-cmd-row .dev-portal-btn {
  flex-shrink: 0;
  padding: 0.3rem 0.55rem;
  font-size: 0.7rem;
}

.dev-run-toast {
  position: absolute;
  left: 50%;
  bottom: 9.5rem;
  transform: translateX(-50%);
  z-index: 6;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #2a3140;
  background: #141821;
  color: rgba(232, 234, 237, 0.9);
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.dev-chat-empty {
  padding: 1.25rem 0.25rem;
  text-align: center;
}

.dev-chat-busy {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.15rem 0.15rem;
  font-size: 0.75rem;
  color: rgba(232, 234, 237, 0.55);
}

.dev-chat-busy-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--brand-accent-vivid, #00b3dc);
  animation: dev-chat-pulse 1s ease-in-out infinite;
}

@keyframes dev-chat-pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.05); }
}

.dev-agent-compose {
  flex-shrink: 0;
}

.dev-compose-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border: 1px solid #2a3140;
  border-radius: 14px;
  background: #161a22;
  padding: 0.55rem 0.6rem 0.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.dev-compose-chips,
.dev-msg-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.dev-msg-chips {
  margin-top: 0.55rem;
}

/* Cursor-style selection chip: $ label + short range */
.dev-sel-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 100%;
  min-width: 0;
  height: 1.55rem;
  padding: 0 0.55rem 0 0.4rem;
  border-radius: 8px;
  border: 1px solid #2a3140;
  background: #1a1f2a;
  color: rgba(232, 234, 237, 0.88);
  font-size: 0.75rem;
  line-height: 1;
}

.dev-sel-chip.is-removable {
  padding-right: 0.2rem;
}

.dev-sel-chip-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 4px;
  background: rgba(46, 160, 67, 0.18);
  color: #3dd68c;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
}

.dev-sel-chip-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: rgba(232, 234, 237, 0.88);
}

.dev-sel-chip-text .is-muted,
.dev-sel-chip .is-muted {
  color: rgba(232, 234, 237, 0.45);
}

.dev-sel-chip-remove {
  appearance: none;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  margin-left: 0.1rem;
  padding: 0;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: rgba(232, 234, 237, 0.45);
  font-size: 0.9rem;
  line-height: 1;
  cursor: pointer;
}

.dev-sel-chip-remove:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.dev-compose-input {
  width: 100%;
  box-sizing: border-box;
  min-height: 3.25rem;
  max-height: 9rem;
  resize: vertical;
  border: 0;
  outline: none;
  background: transparent;
  color: #e8eaed;
  font: inherit;
  font-size: 0.875rem;
  line-height: 1.45;
  padding: 0.15rem 0.2rem 0.25rem;
}

.dev-compose-input::placeholder {
  color: rgba(232, 234, 237, 0.38);
}

.dev-compose-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.15rem;
}

.dev-compose-bar-left,
.dev-compose-bar-right {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dev-compose-pill {
  display: inline-flex;
  align-items: center;
  height: 1.65rem;
  padding: 0 0.65rem;
  border-radius: 999px;
  border: 1px solid #2a3140;
  background: #0c0e12;
  color: rgba(232, 234, 237, 0.7);
  font-size: 0.72rem;
  font-weight: 500;
}

.dev-compose-tool {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(232, 234, 237, 0.6);
  cursor: pointer;
}

.dev-compose-tool:hover:not(:disabled) {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.dev-compose-tool:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.dev-compose-tool svg {
  width: 1rem;
  height: 1rem;
  display: block;
}

.dev-compose-send {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: #e8eaed;
  color: #0c0e12;
  cursor: pointer;
  flex-shrink: 0;
}

.dev-compose-send svg {
  width: 0.95rem;
  height: 0.95rem;
  display: block;
  stroke: currentColor;
  stroke-width: 2.4;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dev-compose-send:hover:not(:disabled) {
  background: #fff;
}

.dev-compose-send:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.dev-compose-send.is-busy {
  opacity: 0.55;
}

.dev-msg strong {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(232, 234, 237, 0.45);
}

.dev-msg pre {
  white-space: pre-wrap;
  margin: 0.3rem 0 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  line-height: 1.45;
}

.dev-run-toggle {
  font-size: 0.75rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
  color: rgba(232, 234, 237, 0.65);
}

.dev-propose {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.dev-propose code {
  font-size: 0.75rem;
  background: #0c0e12;
  padding: 0.25rem 0.4rem;
  border-radius: 6px;
  border: 1px solid #2a3140;
}

.dev-meta {
  font-size: 0.8125rem;
  color: rgba(232, 234, 237, 0.5);
  margin: 0;
}

@media (max-width: 900px) {
  .dev-portal-top {
    padding: 0.75rem 1rem;
    gap: 0.75rem 1rem;
  }

  .dev-portal-top-primary {
    flex: 1 1 100%;
  }

  .dev-field-stack {
    flex: 1 1 100%;
  }

  .dev-select {
    max-width: none;
  }

  .dev-portal-top-trailing {
    width: 100%;
    margin-left: 0;
    padding-top: 0.65rem;
    border-top: 1px solid var(--dev-line);
  }

  .dev-host-chip {
    max-width: min(18rem, 100%);
  }

  .dev-agent-rail:not(.is-collapsed) {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 5;
    width: min(22rem, 92vw);
    max-width: none;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.35);
  }
}