/* ─────────────────────────────────────────────────────────────
   Card-on-file / recurring / AFT additions.
   Sits AFTER main.css; uses tokens.css variables only — no new colours.
   New surfaces: sandbox credential picker (cred-), client-site product
   selector (prod-), saved-card chips + returning view (cof-), the SE
   strategy deck (se-), toolkit express block + config extras (tk-/tkc-),
   and the back-office customer-on-file card (bo-cof-/bo-charge-).
   ───────────────────────────────────────────────────────────── */

/* ── Sandbox credential picker (folded into the Sandbox/Live toggle) ──
   Popover under the env switch; light-theme surface so it reads as an
   extension of the client chrome, not the dark engine room. */
.cred-panel {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 40;
  width: 300px; padding: 6px;
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--r-md); box-shadow: var(--shadow-pop);
}
.cred-panel[hidden] { display: none; }
.cred-panel-head {
  display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
  padding: 6px 8px 8px;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--ink-3);
}
.cred-panel-head .cph-note {
  font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--ink-4);
}
.cred-row {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 10px; text-align: left; cursor: pointer;
  border: 1px solid transparent; border-radius: var(--r-sm);
  background: transparent; color: var(--ink-2);
  transition: border-color .15s, background .15s;
}
.cred-row:hover { background: var(--surface-2); }
.cred-row.active { border-color: var(--accent); background: var(--accent-soft); }
.cred-radio {
  width: 15px; height: 15px; flex: none; position: relative;
  border: 2px solid var(--line-2); border-radius: 50%;
}
.cred-row.active .cred-radio { border-color: var(--accent); }
.cred-row.active .cred-radio::after {
  content: ""; position: absolute; inset: 2px; border-radius: 50%; background: var(--accent);
}
.cred-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.cred-id { font-family: var(--font-mono); font-weight: 700; font-size: 12px; letter-spacing: .04em; color: var(--ink); }
.cred-sub { font-size: 10.5px; color: var(--ink-3); }
.cred-key { font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-4); }
.cred-flags { flex: none; display: flex; gap: 4px; }
.cred-flag {
  font-size: 8.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  padding: 2px 5px; border-radius: 4px; white-space: nowrap;
  background: var(--surface-2); color: var(--ink-3);
}
.cred-flag.on  { background: rgba(18,183,106,.14); color: var(--ok-deep); }
.cred-flag.off { background: rgba(239,68,68,.10);  color: var(--err-deep); }

/* ── The four frames (js/steps.js) ────────────────────────────
   The client page is a sequence, so each frame gets a question and the answers
   are ROUTE CARDS (.bo-route, design system §04.4b) — reused wholesale, since
   every answer here carries a money consequence the SE narrates. The only new
   geometry is the two-column product grid. */
/* Back only — the frame count came off the storefront. */
.step-rail { display: flex; justify-content: flex-end; margin: 14px 0 4px; }
.step-back {
  border: 0; background: none; padding: 0; cursor: pointer;
  font-family: var(--font-sans); font-size: 12px; font-weight: 600; color: var(--ink-3);
}
.step-back:hover { color: var(--ink); text-decoration: underline; }

.frame { margin-top: 16px; }
.frame-q { font-size: 17px; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
.frame-sub { font-size: 13px; line-height: 1.5; color: var(--ink-3); margin: 5px 0 14px; }
.frame .co-cta { margin-top: 14px; }
.frame .bo-routes { margin-bottom: 0; }
/* Two answers to one question sit on ONE plane — same row, same height, the
   primary carrying the gradient (design system §04.1: one primary per screen). */
.frame-actions { display: flex; gap: 10px; margin-top: 14px; }
.frame-actions .co-cta,
.frame-actions .cs-secondary { flex: 1; min-width: 0; height: 52px; margin-top: 0; }

/* Guest + subscription with no storage route: state the reason, offer the fix. */
.frame-block {
  margin-top: 14px; padding: 12px 14px;
  border: 1px solid var(--line-2); border-radius: var(--r-md); background: var(--surface-2);
}
.frame-block-t { font-size: 13px; font-weight: 700; color: var(--ink); }
.frame-block-n { font-size: 11.5px; line-height: 1.5; color: var(--ink-3); margin-top: 4px; }
.frame-block .cs-secondary { margin-top: 10px; height: 40px; font-size: 13px; }

.prod-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.prod-col { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.prod-col-head {
  display: flex; flex-direction: column; gap: 1px;
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3);
}
.prod-col-head span { font-size: 10px; font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--ink-4); }
.prod-col .bo-route { flex: none; }
.ps-mo { font-weight: 500; font-size: 10px; color: var(--ink-3); margin-left: 2px; }
.per-mo { font-size: 11px; font-weight: 600; color: var(--ink-3); }

/* ── Saved-card chips + returning view ───────────────────── */
.cof-returning { display: flex; flex-direction: column; gap: 12px; }
.cof-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.cof-welcome { font-weight: 700; font-size: 14px; color: var(--ink); }
.cof-link {
  border: 0;
  background: none;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
}
.cof-link:hover { text-decoration: underline; }
.cof-link.subtle { color: var(--ink-3); font-weight: 500; }
.cof-foot { text-align: center; margin-top: -4px; }

.cof-chips { display: flex; flex-direction: column; gap: 8px; }
.cof-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  background: var(--surface);
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--ink-2);
  cursor: pointer;
  text-align: left;
  transition: border-color .15s, box-shadow .15s;
}
.cof-chip:hover { border-color: var(--ink-4); }
.cof-chip.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  color: var(--ink);
}
.cof-chip.static { cursor: default; }
.cof-chip-brand { font-weight: 700; }
.cof-chip-num { font-family: var(--font-mono); letter-spacing: .04em; }
.cof-chip-exp { color: var(--ink-3); font-size: 11px; }

.cof-cvvrow { align-items: flex-end; }
.cof-cvv { max-width: 130px; }
.cof-cvv-note, .cof-nocvv {
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.45;
  padding-bottom: 10px;
}
.cof-nocvv {
  padding: 9px 12px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-sm);
  background: var(--surface-2);
}

/* AFT is_direct_purchase fork (customer-facing segmented) */
.cof-dp {
  display: flex;
  gap: 0;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.cof-dp button {
  flex: 1;
  padding: 8px 10px;
  border: 0;
  background: var(--surface);
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.cof-dp button + button { border-left: 1px solid var(--line-2); }
.cof-dp button.active { background: var(--accent-soft); color: var(--ink); }

/* ── Frame 1's question (the identity answer) ──────────────────
   Was a three-way segmented control inside the checkout; it's a frame of its
   own now, so the answers are route cards and only the label survives. */
.id-block { margin: 2px 0 14px; }
.id-label { font-size: 17px; font-weight: 700; letter-spacing: -.01em; color: var(--ink); margin-bottom: 12px; }
.id-caption { font-size: 10.5px; line-height: 1.5; color: var(--ink-3); margin-top: 5px; }

/* ── Account step (the customer beat, preceding the cart) ──────
   Sits directly under the identity chooser: the create form while there's no
   cus_***, then a single created row (an account that's already been minted
   shouldn't keep taking the cart's space). */
.acct-block {
  margin: 10px 0 14px;
  padding: 12px 14px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  background: var(--surface-2);
  display: flex;
  flex-direction: column;
  gap: 9px;
}
/* One field per row, in request-body order, so the eye tracks straight across
   to the line it writes (sync.js FIELD_MAP lights that line on focus). */
.acct-fields { display: flex; flex-direction: column; gap: 9px; }
.acct-field { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.acct-field > span { font-size: 11px; font-weight: 600; color: var(--ink-3); }
.acct-field .co-input { height: 40px; }
.acct-field input { font-size: 13px; }
.acct-chip {
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink-3);
  white-space: nowrap;
}
.acct-err {
  font-size: 11px; line-height: 1.5; color: var(--err-deep);
  border: 1px dashed color-mix(in srgb, var(--err) 40%, transparent);
  border-radius: var(--r-sm);
  padding: 7px 10px;
}
/* created: one row, no form */
.acct-block.created { flex-direction: row; align-items: center; padding: 10px 14px; }
.acct-row { display: flex; align-items: center; gap: 10px; width: 100%; }
.acct-tick {
  flex: none; width: 20px; height: 20px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok-deep);
}
.acct-row-main { flex: 1 1 auto; min-width: 0; }
/* the cus_*** and a typed name are both unbroken tokens — let them wrap rather
   than push the "view in back office" link out of the row */
.acct-row-name, .acct-row-id { overflow-wrap: anywhere; }
.acct-row-name { font-size: 12.5px; font-weight: 700; color: var(--ink); }
.acct-row-mail { font-weight: 500; font-size: 11px; color: var(--ink-3); margin-left: 7px; }
.acct-row-id { font-size: 10.5px; color: var(--ink-3); margin-top: 1px; }
/* the checkout frame's profile strip — read-only: who is paying, as a fact */
.acct-block.strip { flex-direction: row; align-items: center; padding: 10px 14px; background: var(--surface-2); }
.acct-tick.guest, .acct-tick.pending { background: var(--line-2); color: var(--ink-3); }
/* the toolkit hosts the step in its narrower summary column */
.tk-summary .acct-block { margin: 0 0 12px; padding: 11px 12px; }

/* ── SE strategy deck — now the #sc-popover portal ────────
   The dashed .se-deck / .se-deck-head panel it used to be went with
   #demo-controls; only the rows and the two copy classes survive. */
.se-deck-empty { font-size: 11.5px; color: var(--ink-3); }
.se-deck-hint { font-size: 9.5px; font-weight: 500; letter-spacing: .02em; text-transform: none; color: var(--ink-4); }
.se-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.se-lab { display: flex; flex-direction: column; gap: 2px; font-size: 11.5px; font-weight: 600; color: var(--ink-2); }
.se-lab code, .se-fixed code, .se-warn code {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
}
.se-fixed { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.se-fixed > code {
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 999px;
}
.se-note { font-size: 10.5px; color: var(--ink-3); }
.se-seg {
  display: flex;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--surface);
}
.se-seg button {
  padding: 6px 10px;
  border: 0;
  background: none;
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}
.se-seg button + button { border-left: 1px solid var(--line-2); }
.se-seg button.active { background: var(--accent-soft); color: var(--ink); }
.se-seg button:disabled { opacity: .45; cursor: not-allowed; }
.se-warn {
  font-size: 11px;
  color: var(--warn);
  border: 1px dashed color-mix(in srgb, var(--warn) 40%, transparent);
  border-radius: var(--r-sm);
  padding: 7px 10px;
}

/* ── Toolkit: express block + config extras ──────────────── */
.tk-express {
  border: 1px solid var(--accent-soft);
  border-radius: var(--r-md);
  background: var(--surface);
  padding: 12px;
  margin: 12px 0 2px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.tk-express-head {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.tk-express-pay { margin: 0; }
.tk-express-alt { font-size: 10px; color: var(--ink-4); text-align: center; }
.tk-express-alt code { font-family: var(--font-mono); font-size: 9.5px; }

.tkc-fixed code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--eng-text);
  background: var(--eng-surface-2);
  border: 1px solid var(--eng-line);
  padding: 3px 9px;
  border-radius: 999px;
}

/* ── Back office: customer on file + MIT charge form ─────── */
.bo-cof { margin-bottom: 4px; }
.bo-cof-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bo-cof-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.bo-cof-headbtns { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
/* customer view (view === 'customer'): the cus_*** as an object */
.bo-cust-kyc { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; margin: 14px 0 0; }
.bo-cust-kyc-label {
  font-size: 10px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--ink-4); margin-right: 2px;
}
.bo-cust-actions { display: flex; gap: 7px; flex-wrap: wrap; margin: 16px 0 4px; }
.bo-cof-name { font-weight: 700; font-size: 13.5px; color: var(--ink); }
.bo-cof-id { font-size: 11px; color: var(--ink-3); margin-top: 1px; }
.bo-cof-id code { font-family: var(--font-mono); font-size: 10.5px; }
.bo-cof-sync {
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 10px;
  cursor: pointer;
  white-space: nowrap;
}
.bo-cof-sync:hover { border-color: var(--ink-4); }
.bo-cof-sync:disabled { opacity: .5; cursor: not-allowed; }
.bo-cof-creds { display: flex; flex-direction: column; gap: 8px; }
.bo-cof-empty { font-size: 11.5px; line-height: 1.5; color: var(--ink-3); }
.bo-cof-cred {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface-2);
  padding: 9px 12px;
}
.bo-cof-cred.open { border-color: var(--accent); }
.bo-cof-credrow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bo-cof-brand { font-weight: 700; font-size: 12.5px; color: var(--ink); }
.bo-cof-exp { font-size: 11px; color: var(--ink-3); }
.bo-cof-cit { margin-left: auto; font-size: 10px; color: var(--ink-4); font-style: italic; }
.bo-cof-charge {
  margin-left: auto;
  border: 1px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 14px;
  cursor: pointer;
}
.bo-cof-charge:hover { filter: brightness(1.08); }
.bo-cof-charge:disabled {
  background: var(--surface);
  border-color: var(--line-2);
  color: var(--ink-4);
  cursor: not-allowed;
  filter: none;
}

.bo-charge-form {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-2);
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.bo-charge-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.bo-charge-prod { font-weight: 700; font-size: 12px; color: var(--ink); margin-right: 2px; }
.bo-charge-note { font-size: 10.5px; color: var(--ink-3); line-height: 1.5; }
.bo-charge-note code { font-family: var(--font-mono); font-size: 9.5px; }

/* MIT / AFT badges on payment tiles + detail */
.bo-mit-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: .03em;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink-3);
  background: var(--surface-2);
  vertical-align: 1px;
}
.bo-mit-badge.aft { color: var(--info); border-color: color-mix(in srgb, var(--info) 30%, transparent); }
.bo-model-tag.mit { margin-left: 4px; }