/* =======================================================================
   PanelCoach — Bank tab (trial)
   Scoped under body[data-view="bank"] so rules never leak to other views.
   Relies on tokens.css, base.css, components.css (must be loaded first).
   ======================================================================= */

body[data-view="bank"] {
  background: var(--surface-0);
}

/* =========================================================
   Bank-specific page wrapper
   ========================================================= */
body[data-view="bank"] .view-bank {
  padding-bottom: calc(6rem + env(safe-area-inset-bottom, 0px));
}

/* =========================================================
   Question card — the main hero on Bank tab
   Keeps the tier-colored gradient header (it IS the tier signature),
   but the body below gets the new token-driven surfaces + hairline
   border in dark mode.
   ========================================================= */
body[data-view="bank"] .bank-card {
  position: relative;
  background: var(--surface-1);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin: var(--sp-4);
}

/* Glass-edge highlight for the main question card (dark mode especially).
   Sits above the tier gradient header so it reads as a polished seam. */
body[data-view="bank"] .bank-card::after {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.18) 30%,
    rgba(255,255,255,0.28) 50%,
    rgba(255,255,255,0.18) 70%,
    transparent 100%);
  z-index: 1;
  pointer-events: none;
}

body[data-view="bank"] .bank-card__header {
  padding: var(--sp-4);
  color: #fff;
  background: linear-gradient(
    135deg,
    var(--bank-tier-accent, var(--fw-open)),
    color-mix(in srgb, var(--bank-tier-accent, var(--fw-open)) 72%, var(--text-primary))
  );
}

body[data-view="bank"] .bank-card__question {
  font-size: var(--size-lg);
  font-weight: var(--weight-bold);
  line-height: var(--lh-tight);
  color: #fff;
  margin: 0;
}

body[data-view="bank"] .bank-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-2);
}

body[data-view="bank"] .bank-card__meta-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  border-radius: var(--r-sm);
  font-size: var(--size-xs);
  font-weight: var(--weight-semibold);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

body[data-view="bank"] .bank-card__meta-pill--prob {
  background: rgba(255, 255, 255, 0.35);
  font-variant-numeric: tabular-nums;
  font-weight: var(--weight-bold);
}

body[data-view="bank"] .bank-card__meta-pill--new {
  background: #FBBF24;
  color: #78350F;
}

body[data-view="bank"] .bank-card__meta-pill--practiced {
  background: rgba(74, 222, 128, 0.30);
  color: #DCFCE7;
}

body[data-view="bank"] .bank-card__category {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 0.25rem 0.625rem;
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  border-radius: var(--r-full);
  font-size: var(--size-xs);
  font-weight: var(--weight-medium);
}

body[data-view="bank"] .bank-card__body {
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

body[data-view="bank"] .bank-card__footer {
  padding: var(--sp-4);
  background: var(--surface-2);
  border-top: 1px solid var(--border-subtle);
}

/* =========================================================
   Last Updated banner — NHS blue gradient (per user's request to
   keep NHS blue tones visible)
   ========================================================= */
body[data-view="bank"] .bank-updated {
  position: relative;
  margin: 0 var(--sp-4);
  padding: var(--sp-4);
  background: var(--grad-nhs);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.18),
    inset 0 0 0 1px rgba(255,255,255,0.08),
    0 8px 20px rgba(0, 94, 184, 0.35);
  overflow: hidden;
}

/* Decorative accent line — the NHS blue "signature" */
body[data-view="bank"] .bank-updated::before {
  content: '';
  position: absolute;
  right: -20px;
  top: -20px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

body[data-view="bank"] .bank-updated__label {
  font-size: var(--size-xs);
  font-weight: var(--weight-semibold);
  color: #fff;
  margin: 0;
}

body[data-view="bank"] .bank-updated__meta {
  font-size: 0.625rem;          /* 10px — non-interactive label, safe */
  color: rgba(255, 255, 255, 0.80);
  margin: 0.125rem 0 0 0;
}

body[data-view="bank"] .bank-updated__date {
  font-size: var(--size-sm);
  font-weight: var(--weight-bold);
  color: #fff;
  font-variant-numeric: tabular-nums;
}

/* =========================================================
   Collapsible details (methodology, quick list)
   ========================================================= */
body[data-view="bank"] .bank-details {
  margin: var(--sp-3) var(--sp-4) 0;
  background: var(--surface-1);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

body[data-view="bank"] .bank-details__summary {
  list-style: none;
  padding: var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard);
}

body[data-view="bank"] .bank-details__summary::-webkit-details-marker {
  display: none;
}

body[data-view="bank"] .bank-details__summary:hover {
  background: var(--surface-2);
}

body[data-view="bank"] .bank-details__title {
  font-size: var(--size-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  margin: 0;
}

body[data-view="bank"] .bank-details__hint {
  font-size: var(--size-xs);
  color: var(--text-muted);
}

body[data-view="bank"] .bank-details__body {
  padding: 0 var(--sp-4) var(--sp-4);
  color: var(--text-secondary);
  font-size: var(--size-xs);
  line-height: var(--lh-relaxed);
}

/* =========================================================
   Quick list — list of questions within the current tier
   ========================================================= */
body[data-view="bank"] .bank-qlist {
  padding: 0 var(--sp-4) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

body[data-view="bank"] .bank-qlist__item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid transparent;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--size-sm);
  line-height: var(--lh-tight);
  text-align: left;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard);
  min-height: 40px;
}

body[data-view="bank"] .bank-qlist__item:hover {
  background: var(--surface-2);
  border-color: var(--border-subtle);
}

body[data-view="bank"] .bank-qlist__item--active {
  background: var(--accent-subtle-bg);
  border-color: var(--accent-subtle-bg);
  color: var(--accent);
  font-weight: var(--weight-medium);
}

body[data-view="bank"] .bank-qlist__prob {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.375rem;
  background: var(--surface-sunken);
  color: var(--text-secondary);
  border-radius: var(--r-sm);
  font-size: var(--size-xs);
  font-weight: var(--weight-semibold);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

body[data-view="bank"] .bank-qlist__new {
  background: #FBBF24;
  color: #78350F;
  padding: 0.125rem 0.25rem;
  border-radius: var(--r-sm);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  flex-shrink: 0;
}

body[data-view="bank"] .bank-qlist__check {
  color: var(--status-success);
  font-size: var(--size-xs);
  flex-shrink: 0;
}

/* =========================================================
   Bank tier panel (lives in renderNavTabs in render-core.js,
   shown only when currentView === 'bank' && bankTierPanelOpen)
   ========================================================= */
body[data-view="bank"] .bank-tier-panel {
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  padding: var(--sp-2);
  background: var(--surface-1);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  z-index: var(--z-dropdown);
}

body[data-view="bank"] .bank-tier-panel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
}

body[data-view="bank"] .bank-tier-btn {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  min-height: 44px;
  background: var(--surface-2);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  font-size: var(--size-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard),
              color var(--dur-fast) var(--ease-standard);
}

body[data-view="bank"] .bank-tier-btn:hover:not(:disabled) {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

body[data-view="bank"] .bank-tier-btn--all {
  grid-column: span 2;
  justify-content: center;
  background: var(--grad-nhs);
  border-color: transparent;
  color: #fff;
  font-weight: var(--weight-semibold);
  box-shadow: var(--grad-nhs-shadow);
}
body[data-view="bank"] .bank-tier-btn--all:hover {
  filter: brightness(1.08);
  border-color: transparent;
  color: #fff;
}

body[data-view="bank"] .bank-tier-btn--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
body[data-view="bank"] .bank-tier-btn--active:hover {
  color: #fff;
  border-color: var(--accent);
}

body[data-view="bank"] .bank-tier-btn--locked {
  filter: grayscale(0.4);
  opacity: 0.65;
  cursor: pointer;
}

body[data-view="bank"] .bank-tier-btn--empty {
  opacity: 0.45;
  cursor: not-allowed;
}

body[data-view="bank"] .bank-tier-btn__count {
  margin-left: auto;
  padding: 0.0625rem 0.375rem;
  background: var(--surface-sunken);
  color: var(--text-secondary);
  border-radius: var(--r-full);
  font-size: 0.625rem;
  font-weight: var(--weight-semibold);
  font-variant-numeric: tabular-nums;
  line-height: var(--lh-tight);
  flex-shrink: 0;
}
body[data-view="bank"] .bank-tier-btn--all .bank-tier-btn__count,
body[data-view="bank"] .bank-tier-btn--active .bank-tier-btn__count {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* =========================================================
   Bank search bar (lives in renderNavTabs, shown when currentView=='bank')
   THE critical iOS zoom fix lives here — .bank-search input is 16px.
   ========================================================= */
body[data-view="bank"] .bank-search-wrap {
  position: relative;
  padding: var(--sp-2) var(--sp-3);
  background: var(--surface-2);
  border-top: 1px solid var(--border-subtle);
  z-index: 24;
}

body[data-view="bank"] .bank-search {
  position: relative;
}

body[data-view="bank"] .bank-search__input {
  width: 100%;
  padding: 0.625rem 2.5rem 0.625rem 2.25rem;
  min-height: 40px;
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-full);
  color: var(--text-primary);
  font-size: var(--size-base);          /* 16px — iOS zoom fix (was text-xs = 12px) */
  line-height: var(--lh-normal);
  transition: border-color var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard);
  -webkit-appearance: none;
}
body[data-view="bank"] .bank-search__input::placeholder {
  color: var(--text-muted);
}
body[data-view="bank"] .bank-search__input:focus {
  outline: none;
  border-color: var(--nhs-blue);
  box-shadow: var(--shadow-focus-nhs);
}

body[data-view="bank"] .bank-search__icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--size-sm);
  pointer-events: none;
}

body[data-view="bank"] .bank-search__clear {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: var(--weight-bold);
  cursor: pointer;
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--r-full);
  font-size: var(--size-sm);
  transition: background var(--dur-fast) var(--ease-standard);
}
body[data-view="bank"] .bank-search__clear:hover {
  background: var(--surface-sunken);
  color: var(--text-primary);
}

body[data-view="bank"] .bank-search__dropdown {
  position: absolute;
  left: var(--sp-3);
  right: var(--sp-3);
  top: 100%;
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  box-shadow: var(--shadow-md);
  max-height: 16rem;
  overflow-y: auto;
  z-index: var(--z-overlay);
}

body[data-view="bank"] .bank-search__empty {
  padding: var(--sp-3);
  font-size: var(--size-xs);
  color: var(--text-muted);
  text-align: center;
}

body[data-view="bank"] .bank-search__result {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
  padding: 0.625rem var(--sp-3);
  border: none;
  border-bottom: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-primary);
  font-size: var(--size-sm);
  line-height: var(--lh-tight);
  text-align: left;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard);
  min-height: 44px;
}
body[data-view="bank"] .bank-search__result:hover {
  background: var(--surface-2);
}
body[data-view="bank"] .bank-search__result:last-child {
  border-bottom: none;
}
body[data-view="bank"] .bank-search__result--locked {
  opacity: 0.6;
}

body[data-view="bank"] .bank-search__result-prob {
  padding: 0.125rem 0.375rem;
  background: var(--surface-sunken);
  color: var(--text-secondary);
  border-radius: var(--r-sm);
  font-size: 0.625rem;
  font-weight: var(--weight-semibold);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

body[data-view="bank"] .bank-search__result-lock {
  font-size: 0.625rem;
  flex-shrink: 0;
}

body[data-view="bank"] .bank-search__result-q {
  flex: 1;
  color: var(--text-primary);
}
body[data-view="bank"] .bank-search__result--locked .bank-search__result-q {
  color: var(--text-muted);
}

body[data-view="bank"] .bank-search__result-badge {
  padding: 0.125rem 0.375rem;
  background: var(--accent-subtle-bg);
  color: var(--accent);
  border-radius: var(--r-sm);
  font-size: 0.625rem;
  font-weight: var(--weight-semibold);
  flex-shrink: 0;
}
body[data-view="bank"] .bank-search__result--locked .bank-search__result-badge {
  background: var(--surface-sunken);
  color: var(--text-muted);
}

body[data-view="bank"] .bank-search__result-check {
  color: var(--status-success);
  font-size: 0.625rem;
  flex-shrink: 0;
}

body[data-view="bank"] .bank-search__result-new {
  background: #FBBF24;
  color: #78350F;
  padding: 0.125rem 0.25rem;
  border-radius: var(--r-sm);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  flex-shrink: 0;
}