/* mobile-shell.css — single-column virtualised-card layout (SPEC §4).
 * Mobile + tablet, never wider than 480px content column. Tablet = same column centered.
 */

.vc-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  width: 100%;
  background: var(--vc-bg-base);
  overflow: hidden;
}

.vc-shell-anonymous {
  /* Login / Register / public surfaces — no top bar / bottom tabs. */
  align-items: center;
  justify-content: flex-start;
  padding: 24px 16px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.vc-main {
  flex: 1 1 0;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 12px 16px 16px;
  overflow-y: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.vc-main::-webkit-scrollbar { display: none; }

@media (min-width: 768px) {
  /* Tablet: same column, more side whitespace; max-width unchanged per SPEC §4. */
  .vc-main { padding-top: 24px; }
}

/* ---------- Top app bar (SPEC §4: hamburger / Active Assembly chip / avatar) ---------- */

.vc-top-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 4px;
  height: calc(56px + var(--vc-sat, 0px));
  padding: var(--vc-sat, 0px) 12px 0 12px;
  background: color-mix(in srgb, var(--vc-bg-surface) 80%, transparent);
  backdrop-filter: var(--vc-blur);
  -webkit-backdrop-filter: var(--vc-blur);
  border-bottom: 1px solid var(--vc-border);
}

/* Page title — primary text left of spacer */
.vc-top-bar__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--vc-text-high);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Pushes chip + search to the right */
.vc-top-bar__spacer { flex: 1; }

.vc-top-bar__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--vc-tap);
  height: var(--vc-tap);
  background: transparent;
  border: 0;
  border-radius: var(--vc-radius);
  color: var(--vc-text-high);
  cursor: pointer;
  flex-shrink: 0;
}
.vc-top-bar__icon-btn:hover { background: var(--vc-bg-glass); }
.vc-top-bar__icon-btn:active { background: var(--vc-bg-glass-strong); }

/* Active Assembly chip — compact tappable target showing State / AC (right side). */
.vc-assembly-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  max-width: 180px;
  padding: 0 10px;
  background: var(--vc-bg-glass);
  border: 1px solid var(--vc-border);
  border-radius: var(--vc-radius-pill);
  color: var(--vc-text-high);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  flex-shrink: 1;
  min-width: 0;
  transition: background 120ms ease, border-color 120ms ease;
}
.vc-assembly-chip:hover { background: var(--vc-bg-glass-strong); border-color: var(--vc-primary); }
.vc-assembly-chip__state { color: var(--vc-text-muted); font-weight: 400; font-size: 11px; }
.vc-assembly-chip__sep   { color: var(--vc-text-disabled); }
.vc-assembly-chip__name  { max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vc-assembly-chip__caret { color: var(--vc-text-muted); font-size: 10px; }
.vc-assembly-chip--empty { color: var(--vc-text-muted); font-style: italic; }

.vc-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--vc-tap);
  height: var(--vc-tap);
  border-radius: var(--vc-radius-pill);
  background: var(--vc-primary-soft);
  color: var(--vc-primary);
  font-weight: 600;
  cursor: pointer;
  border: 0;
}

/* Optional thin banner below the top bar — used for the Active Roll preview note in SPEC §9.2. */
.vc-banner {
  padding: 6px 16px;
  background: var(--vc-bg-glass);
  color: var(--vc-text-muted);
  font-size: 12px;
  text-align: center;
  border-bottom: 1px solid var(--vc-border);
}

/* ---------- Bottom tab bar (5 destinations per SPEC §4) ---------- */

.vc-bottom-tabs {
  flex: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: 100%;
  z-index: 40;
  height: calc(72px + env(safe-area-inset-bottom, 0));
  padding: 6px 4px env(safe-area-inset-bottom, 0);
  background: color-mix(in srgb, var(--vc-bg-surface) 92%, transparent);
  backdrop-filter: var(--vc-blur);
  -webkit-backdrop-filter: var(--vc-blur);
  border-top: 1px solid var(--vc-border);
  box-shadow: 0 -4px 16px rgba(0,0,0,.18);
}

.vc-tab {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: transparent;
  border: 0;
  color: var(--vc-text-muted);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  padding: 4px 6px 6px;
  transition: color 180ms ease, transform 180ms ease;
  -webkit-tap-highlight-color: transparent;
}
.vc-tab__icon {
  display: flex; align-items: center; justify-content: center;
  height: 30px; min-width: 56px; padding: 0 16px;
  border-radius: 999px;
  font-size: 22px; line-height: 1;
  filter: brightness(1.3) saturate(1.4);
  transition: background 220ms ease, transform 220ms ease, color 180ms ease, filter 180ms ease;
}
.vc-tab:hover { color: var(--vc-text-high); }
.vc-tab:hover .vc-tab__icon { background: rgba(255,255,255,.05); }

/* Thin vertical separator between tabs (skip after last one) */
.vc-tab::after {
  content: "";
  position: absolute;
  right: 0; top: 18%; bottom: 18%;
  width: 1px;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(255,255,255,.10) 25%,
    rgba(255,255,255,.14) 50%,
    rgba(255,255,255,.10) 75%,
    transparent 100%);
  pointer-events: none;
}
.vc-tab:last-child::after { content: none; }

/* ---- Active state — Material-3-style pill behind icon + violet label ---- */
.vc-tab.active { color: var(--vc-primary); }
.vc-tab.active .vc-tab__icon {
  background: linear-gradient(135deg, rgba(124,77,255,.32) 0%, rgba(124,77,255,.18) 100%);
  color: var(--vc-primary);
  transform: translateY(-1px) scale(1.06);
  filter: brightness(1.5) saturate(1.6);
  box-shadow: 0 4px 12px rgba(124,77,255,.30), inset 0 0 0 1px rgba(124,77,255,.45);
}
.vc-tab.active::before {
  content: "";
  position: absolute;
  top: -6px; left: 50%; transform: translateX(-50%);
  width: 28px; height: 3px;
  background: var(--vc-primary);
  border-radius: 0 0 4px 4px;
  box-shadow: 0 0 8px rgba(124,77,255,.6);
}
.vc-tab:active .vc-tab__icon { transform: scale(.94); }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .vc-tab, .vc-tab__icon { transition: none !important; }
  .vc-tab.active .vc-tab__icon { transform: none; }
}

/* ---------- Section headings ---------- */

.vc-section-title {
  margin: 18px 4px 10px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vc-text-muted);
}

.vc-placeholder {
  text-align: center;
  padding: 48px 16px;
}
.vc-placeholder h1 {
  margin: 0 0 8px;
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(120deg, var(--vc-primary), var(--vc-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.vc-placeholder p { margin: 0 0 6px; color: var(--vc-text-muted); }
.vc-placeholder .muted { font-size: 13px; }

.vc-link-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vc-link-list a {
  display: block;
  padding: 14px 16px;
  background: var(--vc-bg-surface);
  border: 1px solid var(--vc-border);
  border-radius: var(--vc-radius);
  color: var(--vc-text-high);
}
.vc-link-list a:hover { border-color: var(--vc-primary); }

/* ── Manage account ── */
.vc-manage { padding: 0 4px; }
.vc-manage__head { margin-bottom: 12px; }
.vc-manage__title { font-size: 20px; font-weight: 700; margin: 0; }
.vc-manage__sub { font-size: 13px; color: var(--vc-text-muted); margin: 4px 0 0; }
.vc-manage__grid { display: flex; flex-direction: column; gap: 12px; }
.vc-manage__side { order: -1; }
.vc-manage__body { min-width: 0; }

.vc-manage-nav { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 4px; }
.vc-manage-nav__item {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 12px; border-radius: var(--vc-radius);
  font-size: 13px; font-weight: 500;
  color: var(--vc-text-high); text-decoration: none;
  background: var(--vc-surface); border: 1px solid var(--vc-border);
  transition: border-color .15s;
}
.vc-manage-nav__item:hover,
.vc-manage-nav__item.active { border-color: var(--vc-primary); color: var(--vc-primary); }
.vc-manage-nav__ico { font-size: 14px; }