/* wwwroot/css/checkout.css
   متغیرهای سایت (--ink, --muted, --line, --bg, --accent) اگر تعریف شده باشند استفاده می‌شوند. */

.ck {
    --ck-ink: var(--ink, #1a1a1a);
    --ck-muted: var(--muted, #8a8a85);
    --ck-line: var(--line, #e8e6e1);
    --ck-bg: var(--bg, #faf9f7);
    --ck-accent: var(--accent, #a8896a);
    --ck-warn: #b4623a;
    --ck-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    color: var(--ck-ink);
    min-height: 100vh;
    background: #fff;
}
.ck .muted { color: var(--ck-muted); }

/* ---------- Top bar ---------- */
.ck-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; max-width: 1180px; margin: 0 auto; padding: 28px 24px 24px; border-bottom: 1px solid var(--ck-line); }
.ck-brand { font-family: var(--ck-serif); font-size: 1.7rem; letter-spacing: .06em; color: var(--ck-ink); text-decoration: none; }
.ck-steps { display: flex; gap: 10px; align-items: center; font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; }
.ck-steps a { color: var(--ck-muted); text-decoration: none; }
.ck-steps a:hover { color: var(--ck-ink); }
.ck-steps strong { font-weight: 600; }

/* ---------- Layout ---------- */
.ck-layout { display: flex; gap: 72px; align-items: flex-start; max-width: 1180px; margin: 0 auto; padding: 40px 24px 96px; }
.ck-main { flex: 1 1 auto; min-width: 0; max-width: 640px; order: 1; }
.ck-summary { order: 2; flex: 0 0 420px; position: sticky; top: 24px; background: var(--ck-bg); border: 1px solid var(--ck-line); }

.ck-empty { padding: 120px 24px; text-align: center; color: var(--ck-muted); font-size: .9rem; }
.ck-empty-title { font-family: var(--ck-serif); font-size: 1.8rem; color: var(--ck-ink); margin: 0 0 14px; }

/* ---------- Sections ---------- */
.ck-section { padding-bottom: 36px; }
.ck-section h2 { font-family: var(--ck-serif); font-weight: 400; font-size: 1.7rem; margin: 0 0 22px; display: flex; align-items: baseline; gap: 14px; }
.ck-section h2 span { font-family: system-ui, sans-serif; font-size: .65rem; letter-spacing: .2em; color: var(--ck-muted); }
.ck-section h2 small { font-family: system-ui, sans-serif; font-size: .65rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ck-muted); }

.ck-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px 20px; }
.span-4 { grid-column: span 4; } .span-6 { grid-column: span 6; } .span-12 { grid-column: span 12; }

/* ---------- Floating-label fields ---------- */
.ck-field { position: relative; padding-top: 10px; }
.ck-input {
    width: 100%; border: none; border-bottom: 1px solid var(--ck-line); background: transparent; padding: 18px 2px 8px;
    font: inherit; font-size: 1rem; color: var(--ck-ink); border-radius: 0; outline: none; appearance: none; transition: border-color .2s;
}
textarea.ck-input { resize: vertical; min-height: 84px; border: 1px solid var(--ck-line); padding: 24px 12px 8px; }
.ck-input:hover { border-color: #cfcbc3; }
.ck-input:focus { border-color: var(--ck-ink); }
.ck-input.invalid { border-color: var(--ck-warn); }
.ck-field label {
    position: absolute; left: 2px; top: 28px; font-size: .95rem; color: var(--ck-muted); pointer-events: none;
    transition: top .15s, font-size .15s, letter-spacing .15s;
}
textarea.ck-input + label { left: 12px; }
.ck-input:focus + label,
.ck-input:not(:placeholder-shown) + label,
.ck-field.is-select label { top: 10px; font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; }
.ck-field.is-select::after { content: "⌄"; position: absolute; right: 4px; bottom: 8px; color: var(--ck-muted); pointer-events: none; }
.ck-input:-webkit-autofill { -webkit-box-shadow: 0 0 0 1000px #fff inset; }

.ck .validation-message { display: block; margin-top: 4px; font-size: .75rem; color: var(--ck-warn); }
.ck-hint { margin: 8px 0 0; font-size: .78rem; color: var(--ck-muted); }
.ck-hint a { color: var(--ck-ink); }

.ck-check { display: flex; align-items: flex-start; gap: 10px; margin-top: 18px; font-size: .9rem; cursor: pointer; }
.ck-check input { margin-top: 3px; accent-color: var(--ck-ink); width: 16px; height: 16px; }
.ck-gift { margin-top: 18px; }

/* ---------- Delivery options ---------- */
.ck-options { display: flex; flex-direction: column; }
.ck-option { display: flex; align-items: center; gap: 14px; padding: 18px; border: 1px solid var(--ck-line); margin-top: -1px; cursor: pointer; transition: background .15s; }
.ck-option:hover { background: var(--ck-bg); }
.ck-option.selected { border-color: var(--ck-ink); position: relative; z-index: 1; background: var(--ck-bg); }
.ck-option input { accent-color: var(--ck-ink); width: 16px; height: 16px; flex-shrink: 0; }
.ck-option-main { flex: 1; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ck-option-name { font-size: .95rem; }
.ck-option-desc { font-size: .78rem; color: var(--ck-muted); }
.ck-option-price { font-size: .95rem; white-space: nowrap; }
.ck-note { margin: 16px 0 0; padding: 12px 16px; border-left: 2px solid var(--ck-accent); background: var(--ck-bg); font-size: .85rem; color: var(--ck-muted); }
.ck-skeleton { height: 64px; background: linear-gradient(90deg, var(--ck-bg) 25%, #f0eee9 50%, var(--ck-bg) 75%); background-size: 200% 100%; animation: ck-shimmer 1.2s infinite; }
@keyframes ck-shimmer { to { background-position: -200% 0; } }

.ck-payment-slot { margin-top: 16px; min-height: 8px; }

/* ---------- Actions ---------- */
.ck-legal { margin: 0 0 18px; font-size: .78rem; color: var(--ck-muted); line-height: 1.6; }
.ck-legal a { color: var(--ck-ink); }
.ck-btn {
    display: block; width: 100%; padding: 17px 22px; text-align: center; background: var(--ck-ink); color: #fff; border: 1px solid var(--ck-ink);
    font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: all .2s;
}
.ck-btn:hover:not(:disabled) { background: #fff; color: var(--ck-ink); }
.ck-btn:disabled { opacity: .45; cursor: not-allowed; }
.ck-btn-inline { display: inline-block; width: auto; margin-top: 28px; }
.ck-link { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ck-ink); border-bottom: 1px solid var(--ck-ink); text-decoration: none; padding-bottom: 2px; }

.ck-error { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 24px; padding: 12px 16px; border: 1px solid #d9b8b8; background: #fbf4f4; color: #8a3b3b; font-size: .85rem; }
.ck-error a { color: inherit; }
.ck-error button { background: none; border: none; color: inherit; cursor: pointer; }

/* ---------- Summary ---------- */
.ck-summary-bar { display: none; }
.ck-summary-body { padding: 28px; }
.ck-lines { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
.ck-line { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 16px; align-items: center; }
.ck-thumb { position: relative; width: 64px; height: 64px; background: #fff; border: 1px solid var(--ck-line); display: flex; align-items: center; justify-content: center; color: #c8c5be; }
.ck-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ck-qty { position: absolute; top: -8px; right: -8px; min-width: 20px; height: 20px; padding: 0 5px; background: var(--ck-ink); color: #fff; border-radius: 10px; font-size: .68rem; line-height: 20px; text-align: center; }
.ck-line-name { font-family: var(--ck-serif); font-size: 1.1rem; line-height: 1.2; }
.ck-line-meta { margin-top: 3px; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ck-muted); }
.ck-line-meta.accent { color: var(--ck-accent); }
.ck-line-price { font-size: .92rem; white-space: nowrap; }

.ck-totals { margin: 26px 0 0; padding-top: 22px; border-top: 1px solid var(--ck-line); display: flex; flex-direction: column; gap: 12px; }
.ck-totals > div { display: flex; justify-content: space-between; align-items: baseline; font-size: .88rem; }
.ck-totals dt, .ck-totals dd { margin: 0; }
.ck-total { margin-top: 6px; padding-top: 16px; border-top: 1px solid var(--ck-ink); }
.ck-total dt { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; }
.ck-total dd { font-family: var(--ck-serif); font-size: 1.8rem; }
.ck-total dd small { font-family: system-ui, sans-serif; font-size: .62rem; letter-spacing: .12em; color: var(--ck-muted); margin-right: 6px; }
.ck-edit { display: inline-block; margin-top: 22px; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ck-muted); text-decoration: none; }
.ck-edit:hover { color: var(--ck-ink); }

/* ---------- Done ---------- */
.ck-done { max-width: 560px; margin: 0 auto; padding: 96px 24px; text-align: center; }
.ck-eyebrow { font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ck-accent); margin: 0 0 14px; }
.ck-done h1 { font-family: var(--ck-serif); font-weight: 400; font-size: 3.2rem; margin: 0 0 18px; }
.ck-done-number { font-size: 1rem; margin: 0; }
.ck-done-text { margin: 8px 0 0; color: var(--ck-muted); font-size: .9rem; }

/* ---------- Tablet ---------- */
@media (max-width: 1000px) {
    .ck-layout { flex-direction: column; gap: 0; padding-top: 0; }
    .ck-main { max-width: none; width: 100%; padding-top: 28px; }

    /* خلاصه‌ی سفارش بالای فرم، تاشو */
    .ck-summary { order: -1; flex: none; width: calc(100% + 48px); margin: 0 -24px; position: static; border-left: 0; border-right: 0; }
    .ck-summary-bar {
        display: flex; width: 100%; justify-content: space-between; align-items: center; padding: 18px 24px; background: none; border: none;
        font-size: .88rem; cursor: pointer; color: var(--ck-ink);
    }
    .ck-summary-bar strong { font-family: var(--ck-serif); font-size: 1.4rem; font-weight: 500; }
    .ck-summary-body { display: none; padding: 4px 24px 24px; }
    .ck-summary.open .ck-summary-body { display: block; }
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
    .ck-top { padding: 20px 16px 16px; }
    .ck-brand { font-size: 1.4rem; }
    .ck-layout { padding: 0 16px 56px; }
    .ck-summary { width: calc(100% + 32px); margin: 0 -16px; }
    .ck-summary-bar { padding: 16px; }
    .ck-summary-body { padding: 4px 16px 20px; }
    .span-4, .span-6 { grid-column: span 12; }
    .ck-section h2 { font-size: 1.45rem; }

    /* دکمه‌ی ثبت سفارش همیشه در دسترس */
    .ck-sticky { position: sticky; bottom: 0; padding: 12px 0; background: #fff; border-top: 1px solid var(--ck-line); margin: 0 -16px; padding-left: 16px; padding-right: 16px; }
}

@media (prefers-reduced-motion: reduce) {
    .ck-skeleton { animation: none; }
    .ck-field label { transition: none; }
}