.gpc { min-height: 100vh; background: var(--card); }
.gpc-head { height: 60px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 16px; border-bottom: 1px solid var(--line); background: var(--paper); }
.gpc-back { justify-self: start; display: inline-flex; align-items: center; gap: 4px; border: 0; background: none; font-size: 14px; font-weight: 600; min-height: 44px; padding: 0; }
.gpc-secure { justify-self: end; display: inline-flex; align-items: center; gap: 5px; font: 600 12px var(--mono); color: var(--ok); text-transform: uppercase; }
.gpc-grid { max-width: 1100px; margin: 0 auto; display: grid; }
.gpc-main { padding: 20px 16px 60px; display: flex; flex-direction: column; gap: 22px; max-width: 600px; width: 100%; margin: 0 auto; }
.gpc-d-only { display: none; }

.gpc-crumbs { list-style: none; margin: 0; padding: 0; display: flex; gap: 6px; font-size: 13px; }
.gpc-crumbs li { flex: 1; }
.gpc-crumbs button { width: 100%; border: 0; background: none; padding: 0 0 10px; border-bottom: 3px solid var(--line); display: flex; align-items: center; gap: 6px; color: var(--ink-3); font-weight: 600; font-size: 13px; }
.gpc-crumbs button span { font: 700 11px var(--mono); }
.gpc-crumbs li.on button { color: var(--ink); border-color: var(--ink); }
.gpc-crumbs li.done button { color: var(--ok); border-color: var(--ok); }
.gpc-crumbs button[disabled] { cursor: default; }

.gpc-label { font: 700 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); display: block; text-align: center; margin-bottom: 10px; }
.gpc-express-btns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.gpc-xbtn { height: 50px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--paper); font-weight: 700; font-size: 15px; }
.gpc-xbtn.dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.gpc-xbtn.pp { background: oklch(0.86 0.15 90); border-color: transparent; font-style: italic; }
.gpc-or { display: flex; align-items: center; gap: 12px; margin-top: 18px; color: var(--ink-3); font-size: 13px; }
.gpc-or::before, .gpc-or::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.gpc-block h2 { font-family: var(--display); font-stretch: 112%; font-weight: 850; text-transform: uppercase; font-size: 22px; margin-bottom: 14px; }
.gpc-block { display: flex; flex-direction: column; gap: 10px; }
.gpc-block h2 { margin-bottom: 4px; }
.gpc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.gpc-field { position: relative; display: block; }
.gpc-field input, .gpc-field select { width: 100%; height: 56px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; padding: 22px 14px 6px; font-size: 16px; outline: none; transition: border-color .15s, box-shadow .15s; appearance: none; }
.gpc-field input:focus, .gpc-field select:focus { border-color: var(--ink); box-shadow: 0 0 0 3px color-mix(in oklab, var(--hot) 25%, transparent); }
.gpc-field span { position: absolute; left: 15px; top: 18px; font-size: 15px; color: var(--ink-3); pointer-events: none; transition: .15s; }
.gpc-field input:focus + span, .gpc-field input:not(:placeholder-shown) + span, .gpc-select span { top: 8px; font-size: 11px; font-weight: 600; }
.gpc-select::after { content: ''; position: absolute; right: 16px; top: 24px; width: 8px; height: 8px; border-right: 2px solid var(--ink-2); border-bottom: 2px solid var(--ink-2); transform: rotate(45deg); pointer-events: none; }
.gpc-check { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-2); min-height: 32px; }
.gpc-check input { width: 18px; height: 18px; accent-color: var(--ink); }

.gpc-review { border: 1.5px solid var(--line); border-radius: 12px; padding: 0 14px; font-size: 14px; }
.gpc-review > div { display: grid; grid-template-columns: 70px 1fr auto; gap: 10px; padding: 12px 0; align-items: baseline; }
.gpc-review > div + div { border-top: 1px solid var(--line); }
.gpc-review span { color: var(--ink-3); }
.gpc-review b { font-weight: 500; overflow: hidden; text-overflow: ellipsis; }
.gpc-review button { border: 0; background: none; padding: 0; font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }

.gpc-opts { border: 1.5px solid var(--line); border-radius: 12px; overflow: hidden; }
.gpc-opt-wrap + .gpc-opt-wrap, .gpc-opt + .gpc-opt { border-top: 1px solid var(--line); }
.gpc-opt { display: grid; grid-template-columns: 22px 1fr auto; gap: 12px; align-items: center; padding: 14px; min-height: 60px; cursor: pointer; background: #fff; }
.gpc-opt input { position: absolute; opacity: 0; pointer-events: none; }
.gpc-opt.on { background: color-mix(in oklab, var(--hot) 8%, #fff); }
.gpc-opt.on .gp-radio { border-color: var(--ink); }
.gpc-opt.on .gp-radio::after { content: ''; width: 12px; height: 12px; border-radius: 50%; background: var(--ink); }
.gpc-opt b { font-size: 15px; display: block; }
.gpc-opt span { font-size: 13px; color: var(--ink-3); }
.gpc-card { padding: 4px 14px 14px; background: var(--paper); display: grid; gap: 10px; border-top: 1px solid var(--line); padding-top: 14px; }

.gpc-err { background: color-mix(in oklab, var(--hot) 14%, #fff); border: 1px solid var(--hot); color: var(--hot-ink); padding: 12px 14px; border-radius: 10px; font-size: 14px; font-weight: 600; }
.gpc-actions { display: grid; gap: 12px; }
.gpc-prev { border: 0; background: none; display: inline-flex; align-items: center; justify-content: center; gap: 4px; font-size: 14px; min-height: 44px; color: var(--ink-2); }
.gpc-spin { width: 22px; height: 22px; border: 2.5px solid rgba(23,20,15,.25); border-top-color: var(--ink); border-radius: 50%; animation: gpcSpin .7s linear infinite; }
@keyframes gpcSpin { to { transform: rotate(360deg); } }
.gpc-assure { display: grid; gap: 10px; padding: 16px; background: var(--paper); border-radius: 12px; font-size: 13px; color: var(--ink-2); }
.gpc-assure div { display: flex; gap: 10px; align-items: flex-start; }
.gpc-assure svg { flex: none; margin-top: 1px; }
.gpc-assure b { color: var(--ink); }
.gpc-legal { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--ink-3); border-top: 1px solid var(--line); padding-top: 16px; }
.gpc-legal a { text-decoration: underline; text-underline-offset: 2px; cursor: pointer; }

/* Summary */
.gpc-sum-m { background: var(--paper); border-bottom: 1px solid var(--line); }
.gpc-sum-toggle { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 16px; border: 0; background: none; font-size: 14px; font-weight: 600; min-height: 56px; }
.gpc-sum-toggle > span { display: inline-flex; align-items: center; gap: 8px; }
.gpc-sum-toggle b { font-size: 17px; }
.gpc-sum-m-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s; }
.gpc-sum-m-body.open { grid-template-rows: 1fr; }
.gpc-sum-m-body > div { overflow: hidden; }
.gpc-sum-m-body .gpc-sum-body { padding: 0 16px 20px; }
.gpc-sum-body { display: flex; flex-direction: column; gap: 16px; }
.gpc-sum-line { display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; align-items: center; font-size: 14px; }
.gpc-sum-line .gp-line-img { width: 64px; height: 64px; }
.gpc-sum-line span { display: block; font-size: 12px; color: var(--ink-3); }
.gpc-q { position: absolute; top: -7px; right: -7px; min-width: 22px; height: 22px; border-radius: 11px; background: var(--ink-2); color: var(--paper) !important; font: 700 11px/22px var(--mono) !important; text-align: center; }
.gpc-code { display: flex; gap: 8px; }
.gpc-code input { flex: 1; min-width: 0; height: 48px; border: 1.5px solid var(--line); border-radius: 10px; padding: 0 14px; background: #fff; font-size: 15px; outline: none; }
.gpc-code input:focus { border-color: var(--ink); }
.gpc-code button { height: 48px; padding: 0 18px; border-radius: 10px; border: 0; background: var(--ink); color: var(--paper); font-weight: 600; }
.gpc-code-msg { font-size: 13px; color: var(--hot-ink); margin-top: -8px; }
.gpc-code-msg.ok { color: var(--ok); font-weight: 600; }
.gpc-rows { display: grid; gap: 8px; font-size: 14px; border-top: 1px solid var(--line); padding-top: 14px; }
.gpc-rows > div { display: flex; justify-content: space-between; }
.gpc-rows .ok { color: var(--ok); }
.gpc-total { font-size: 18px; font-weight: 700; padding-top: 8px; border-top: 1px solid var(--line); margin-top: 4px; align-items: baseline; }
.gpc-total small { font: 600 12px var(--mono); color: var(--ink-3); margin-right: 4px; }
.gpc-fine { font-size: 12px; color: var(--ink-3); }
.gpc-saved span { background: color-mix(in oklab, var(--hot) 20%, transparent); color: var(--hot-ink); font: 700 12px var(--mono); padding: 5px 9px; border-radius: 6px; text-transform: uppercase; }

/* Confirmed */
.gpc-done { max-width: 520px; margin: 0 auto; padding: 48px 20px 80px; display: flex; flex-direction: column; gap: 18px; text-align: center; align-items: center; }
.gpc-done-mark { width: 76px; height: 76px; border-radius: 50%; background: var(--hot); display: grid; place-items: center; animation: gpcPop .5s cubic-bezier(.3,1.6,.5,1); }
@keyframes gpcPop { from { transform: scale(.3); opacity: 0; } }
.gpc-done h1 { font-size: clamp(40px, 11vw, 64px); }
.gpc-done > p { color: var(--ink-2); font-size: 16px; }
.gpc-done-steps { width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: left; margin: 8px 0; }
.gpc-done-steps div { border-top: 3px solid var(--line); padding-top: 10px; display: flex; flex-direction: column; gap: 3px; }
.gpc-done-steps div.on { border-color: var(--ink); }
.gpc-done-steps i { display: none; }
.gpc-done-steps .gp-mono { font-size: 11px; color: var(--ink-3); }
.gpc-done-steps b { font-size: 13px; }
.gpc-done .gp-upsell { width: 100%; }

@media (min-width: 900px) {
  .gpc-m-only { display: none; }
  .gpc-d-only { display: block; background: var(--paper); border-left: 1px solid var(--line); min-height: calc(100vh - 60px); }
  .gpc-grid { grid-template-columns: 1.15fr 1fr; max-width: none; }
  .gpc-main { padding: 36px 48px 60px; margin: 0 0 0 auto; }
  .gpc-sum { position: sticky; top: 0; padding: 36px 48px; max-width: 480px; }
}