/*
 * Checkout surfaces: cart, "added to cart" panel, payment form.
 * Same language as site-v3-bridge.css: paper ground, ink hairlines, square
 * panels, mono eyebrows, one signal-red action per screen.
 */
:root {
    --ck-ink: var(--li-bridge-ink, #101214);
    --ck-paper: var(--li-bridge-paper, #f2efe7);
    --ck-panel: var(--li-bridge-panel, #fffdf7);
    --ck-line: var(--li-bridge-line, #bbb7ad);
    --ck-soft: var(--li-bridge-soft-line, #d8d4ca);
    --ck-muted: var(--li-bridge-muted, #67655f);
    --ck-signal: var(--li-bridge-signal, #c93613);
    --ck-signal-dark: #a92b0e;
    --ck-blue: var(--li-bridge-blue, #155dfc);
    --ck-green: var(--li-bridge-green, #147a55);
    --ck-mono: var(--li-bridge-mono, "SFMono-Regular", Consolas, "Liberation Mono", monospace);
}

/* ---------- page frame ---------- */
.ck-page {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 56px 0 96px;
    color: var(--ck-ink);
}
.ck-eyebrow {
    margin: 0 0 12px;
    color: var(--ck-muted);
    font-family: var(--ck-mono);
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.ck-title {
    margin: 0;
    font-size: clamp(34px, 5vw, 52px);
    font-weight: 800;
    letter-spacing: -.045em;
    line-height: 1.02;
}
.ck-steps {
    display: flex;
    gap: 0;
    margin: 28px 0 36px;
    padding: 0;
    border-top: 1px solid var(--ck-ink);
    list-style: none;
}
.ck-steps li {
    flex: 1;
    padding: 12px 0 0;
    color: var(--ck-muted);
    font-family: var(--ck-mono);
    font-size: 12px;
    letter-spacing: .06em;
    text-transform: uppercase;
    border-top: 3px solid transparent;
    margin-top: -2px;
}
.ck-steps li.is-current {
    color: var(--ck-ink);
    border-top-color: var(--ck-signal);
}
.ck-steps li.is-done { color: var(--ck-ink); }
.ck-steps span { margin-right: 8px; opacity: .55; }

.ck-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 32px;
    align-items: start;
}

/* ---------- line items ---------- */
.ck-item {
    position: relative;
    padding: 28px;
    border: 1px solid var(--ck-ink);
    background: var(--ck-panel);
}
.ck-item + .ck-item { border-top: 0; }
.ck-item-head {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    justify-content: space-between;
}
.ck-tag {
    display: inline-block;
    margin-bottom: 10px;
    padding: 3px 8px;
    border: 1px solid var(--ck-ink);
    font-family: var(--ck-mono);
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.ck-item-name {
    margin: 0;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -.03em;
}
.ck-item-sub {
    margin: 6px 0 0;
    color: var(--ck-muted);
    font-size: 15px;
}
.ck-price {
    flex: none;
    text-align: right;
}
.ck-price strong {
    display: block;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
}
.ck-price small {
    color: var(--ck-muted);
    font-size: 13px;
}
.ck-features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
    margin: 22px 0 0;
    padding: 20px 0 0;
    border-top: 1px solid var(--ck-soft);
    list-style: none;
}
.ck-features li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 14px;
    line-height: 1.4;
}
.ck-features svg { flex: none; margin-top: 2px; color: var(--ck-green); }

.ck-period {
    display: inline-flex;
    margin-top: 22px;
    border: 1px solid var(--ck-ink);
}
.ck-period button {
    padding: 9px 16px;
    border: 0;
    background: transparent;
    color: var(--ck-ink);
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}
.ck-period button + button { border-left: 1px solid var(--ck-ink); }
.ck-period button[aria-pressed="true"] {
    background: var(--ck-ink);
    color: var(--ck-panel);
}
.ck-period em {
    margin-left: 6px;
    color: var(--ck-green);
    font-style: normal;
    font-size: 12px;
}
.ck-period button[aria-pressed="true"] em { color: #9be3c3; }

.ck-remove {
    margin-top: 18px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--ck-muted);
    font: inherit;
    font-size: 13px;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}
.ck-remove:hover { color: var(--ck-signal); }

.ck-note {
    margin-top: 14px;
    padding: 12px 14px;
    border-left: 3px solid var(--ck-signal);
    background: #f7e9e2;
    font-size: 14px;
}

/* one suggestion, never a wall of upsells */
.ck-suggest {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
    padding: 20px 24px;
    border: 1px dashed var(--ck-line);
}
.ck-suggest p { margin: 4px 0 0; color: var(--ck-muted); font-size: 14px; }
.ck-suggest strong { font-size: 16px; }

/* ---------- summary ---------- */
.ck-summary {
    position: sticky;
    top: 96px;
    padding: 28px;
    border: 1px solid var(--ck-ink);
    background: var(--ck-panel);
}
.ck-summary h2 {
    margin: 0 0 18px;
    font-size: 15px;
    font-family: var(--ck-mono);
    font-weight: 500;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.ck-row {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 15px;
    font-variant-numeric: tabular-nums;
}
.ck-row span:first-child { color: var(--ck-muted); }
.ck-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 10px;
    padding-top: 16px;
    border-top: 1px solid var(--ck-ink);
}
.ck-total span { font-weight: 700; }
.ck-total strong {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -.035em;
    font-variant-numeric: tabular-nums;
}
.ck-then {
    margin: 6px 0 0;
    color: var(--ck-muted);
    font-size: 13px;
    text-align: right;
}

.ck-btn {
    display: flex;
    width: 100%;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 22px;
    padding: 14px 20px;
    border: 1px solid var(--ck-signal);
    background: var(--ck-signal);
    color: #fff;
    font: inherit;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background .15s;
}
.ck-btn:hover { background: var(--ck-signal-dark); border-color: var(--ck-signal-dark); }
.ck-btn:disabled { opacity: .6; cursor: progress; }
.ck-btn-ghost {
    border-color: var(--ck-ink);
    background: transparent;
    color: var(--ck-ink);
}
.ck-btn-ghost:hover { background: var(--ck-ink); color: var(--ck-panel); border-color: var(--ck-ink); }
.ck-btn-small {
    width: auto;
    min-height: 40px;
    margin: 0;
    padding: 8px 16px;
    font-size: 14px;
    white-space: nowrap;
}

.ck-secure {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin: 14px 0 0;
    color: var(--ck-muted);
    font-size: 13px;
    line-height: 1.45;
}
.ck-secure svg { flex: none; margin-top: 1px; }
.ck-trust {
    margin: 20px 0 0;
    padding: 18px 0 0;
    border-top: 1px solid var(--ck-soft);
    list-style: none;
}
.ck-trust li {
    display: flex;
    gap: 10px;
    padding: 5px 0;
    font-size: 14px;
}
.ck-trust svg { flex: none; margin-top: 3px; color: var(--ck-green); }
.ck-back {
    display: block;
    margin-top: 16px;
    color: var(--ck-muted);
    font-size: 14px;
    text-align: center;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ---------- empty / signed out ---------- */
.ck-empty {
    max-width: 560px;
    padding: 40px;
    border: 1px solid var(--ck-ink);
    background: var(--ck-panel);
}
.ck-empty h2 {
    margin: 0 0 10px;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.03em;
}
.ck-empty p { margin: 0 0 24px; color: var(--ck-muted); line-height: 1.55; }
.ck-empty .ck-actions { display: grid; gap: 10px; }
.ck-empty .ck-btn { margin: 0; }
.ck-mini {
    margin: 0 0 24px;
    padding: 14px 16px;
    border: 1px solid var(--ck-soft);
    list-style: none;
}
.ck-mini li {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 4px 0;
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}

/* ---------- "added to cart" panel ---------- */
.ck-toast {
    position: fixed;
    z-index: 10001;
    right: 24px;
    bottom: 24px;
    width: min(380px, calc(100% - 32px));
    border: 1px solid var(--ck-ink);
    background: var(--ck-panel);
    color: var(--ck-ink);
    box-shadow: 8px 8px 0 rgba(16, 18, 20, .12);
    animation: ck-in .28s cubic-bezier(.2, .8, .2, 1);
}
.ck-toast.is-leaving { animation: ck-out .2s ease-in forwards; }
.ck-toast-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--ck-ink);
    font-family: var(--ck-mono);
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.ck-toast-bar b { display: inline-flex; gap: 8px; align-items: center; color: var(--ck-green); font-weight: 500; }
.ck-toast-close {
    width: 28px;
    height: 28px;
    margin: -6px -8px -6px 0;
    padding: 0;
    border: 0;
    background: none;
    color: var(--ck-ink);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}
.ck-toast-body { padding: 18px 16px 16px; }
.ck-toast-line {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: baseline;
}
.ck-toast-line strong { font-size: 18px; letter-spacing: -.02em; }
.ck-toast-line span { font-weight: 700; font-variant-numeric: tabular-nums; }
.ck-toast-meta { margin: 4px 0 0; color: var(--ck-muted); font-size: 13px; }
.ck-toast-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 16px;
}
.ck-toast-actions .ck-btn { margin: 0; min-height: 44px; font-size: 14px; }
@keyframes ck-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes ck-out { to { opacity: 0; transform: translateY(16px); } }
@media (prefers-reduced-motion: reduce) {
    .ck-toast, .ck-toast.is-leaving { animation: none; }
}

/* ---------- payment form (payment.html) ---------- */
body.ck-payment .payment-container,
body.ck-payment main { color: var(--ck-ink); }
body.ck-payment .payment-layout {
    grid-template-columns: minmax(0, 1fr) 380px !important;
    gap: 32px !important;
}
body.ck-payment .card {
    border: 1px solid var(--ck-ink) !important;
    border-radius: 0 !important;
    background: var(--ck-panel) !important;
    box-shadow: none !important;
    padding: 28px !important;
}
body.ck-payment .card h2,
body.ck-payment .card h3 {
    color: var(--ck-ink) !important;
    font-size: 14px !important;
    font-family: var(--ck-mono);
    font-weight: 500 !important;
    letter-spacing: .08em;
    text-transform: uppercase;
}
body.ck-payment .card h2 svg { display: none; }
body.ck-payment .form-label {
    display: block;
    margin-bottom: 6px;
    color: var(--ck-ink);
    font-size: 14px;
    font-weight: 600;
}
body.ck-payment .form-input,
body.ck-payment #card-number,
body.ck-payment #card-expiry,
body.ck-payment #card-cvc {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px !important;
    border: 1px solid var(--ck-line) !important;
    border-radius: 0 !important;
    background: #fff !important;
    box-shadow: none !important;
    font-size: 16px;
    transition: border-color .15s, box-shadow .15s;
}
body.ck-payment .form-input:focus,
body.ck-payment .StripeElement--focus {
    border-color: var(--ck-ink) !important;
    outline: none;
    box-shadow: 0 0 0 3px rgba(21, 93, 252, .18) !important;
}
body.ck-payment textarea.form-input { min-height: 88px; resize: vertical; }
body.ck-payment input[name="customerType"] + span {
    border: 1px solid var(--ck-ink) !important;
    border-radius: 0 !important;
    background: transparent !important;
    color: var(--ck-ink) !important;
}
body.ck-payment input[name="customerType"]:checked + span {
    background: var(--ck-ink) !important;
    color: var(--ck-panel) !important;
}
body.ck-payment input[name="customerType"] { position: absolute; opacity: 0; pointer-events: none; }
body.ck-payment #submitBtn {
    min-height: 56px;
    border: 1px solid var(--ck-signal) !important;
    border-radius: 0 !important;
    background: var(--ck-signal) !important;
    box-shadow: none !important;
    color: #fff !important;
    font-size: 17px;
    font-weight: 700;
}
body.ck-payment #submitBtn:hover { background: var(--ck-signal-dark) !important; }
body.ck-payment #paymentErrors {
    border-radius: 0 !important;
    border-left: 3px solid var(--ck-signal) !important;
}
body.ck-payment #orderSummary,
body.ck-payment .order-summary {
    border-radius: 0 !important;
}

/* ---------- small screens ---------- */
@media (max-width: 900px) {
    .ck-grid,
    body.ck-payment .payment-layout { grid-template-columns: 1fr !important; }
    .ck-summary { position: static; }
}
@media (max-width: 560px) {
    .ck-page { padding-top: 36px; }
    .ck-item, .ck-summary, .ck-empty { padding: 20px; }
    .ck-item-head { flex-direction: column; gap: 12px; }
    .ck-price { text-align: left; }
    .ck-features { grid-template-columns: 1fr; }
    .ck-suggest { flex-direction: column; align-items: flex-start; }
    .ck-steps li { font-size: 11px; }
    .ck-toast { right: 16px; bottom: 16px; }
    body.ck-payment .card { padding: 20px !important; }
}