/* =====================================================
   Crypto Shop - public storefront styles
   ===================================================== */

:root {
    --bg: var(--theme-bg, #0b0e14);
    --card: var(--theme-card, #13161f);
    --text: var(--theme-text, #e7e9ee);
    --muted: #9aa1ad;
    --accent: var(--theme-accent, #7c3aed);
    --accent-soft: rgba(124, 58, 237, .15);
    --line: #232836;
    --ok: #22c55e;
    --warn: #f59e0b;
    --err: #ef4444;
    --radius: 12px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(11, 14, 20, .85);
    backdrop-filter: blur(8px);
    position: sticky; top: 0; z-index: 50;
}
.header-inner { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand-mark {
    background: var(--accent); color: #fff;
    width: 32px; height: 32px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; letter-spacing: -1px; font-size: 14px;
}
.brand-name { font-weight: 600; font-size: 17px; letter-spacing: -.01em; }
.top-nav { display: flex; gap: 18px; }
.top-nav a { color: var(--muted); font-size: 14px; font-weight: 500; }
.top-nav a:hover { color: var(--text); text-decoration: none; }

.main { padding: 32px 20px 80px; }

.site-footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: var(--muted); }

/* Hero */
.hero { padding: 24px 0 32px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: start; }
@media (max-width: 800px) { .hero-grid { grid-template-columns: 1fr; } }

.hero h1 { font-size: 38px; line-height: 1.15; margin: 12px 0; letter-spacing: -.02em; }
.short-desc { color: var(--muted); font-size: 17px; margin: 0 0 16px; }
.long-desc { color: var(--text); margin: 0 0 20px; }
.hero-meta { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.hero-meta > div { display: flex; flex-direction: column; gap: 2px; }
.hero-meta span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.hero-meta strong { font-size: 16px; }
.badge {
    display: inline-block; background: var(--accent-soft); color: var(--accent);
    padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
}

.hero-order { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.hero-order h2 { margin: 0 0 16px; font-size: 20px; }

/* Form */
.field { display: block; margin: 0 0 14px; }
.field > span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.field input, .field textarea, .field select {
    width: 100%; background: var(--bg); color: var(--text);
    border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; font-size: 15px;
    outline: none; transition: border-color .15s;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 96px; font-family: inherit; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.order-summary { margin-top: 16px; padding: 12px; background: rgba(255,255,255,.02); border-radius: 8px; }
.order-summary .row { display: flex; justify-content: space-between; padding: 4px 0; color: var(--muted); }
.order-summary .row strong { color: var(--text); }
.order-summary .row.total { border-top: 1px dashed var(--line); margin-top: 8px; padding-top: 10px; font-size: 17px; }
.order-summary .row.total strong { color: var(--accent); font-size: 17px; }

.btn {
    display: inline-block; padding: 11px 22px; border-radius: 8px; font-weight: 600; cursor: pointer;
    border: 1px solid transparent; font-size: 15px; background: transparent; color: var(--text);
    transition: background .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); text-decoration: none; }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,.04); }
.btn-ghost.danger { color: var(--err); border-color: rgba(239, 68, 68, .35); }
.btn-block { width: 100%; display: block; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

.form-foot { color: var(--muted); font-size: 12px; margin-top: 12px; text-align: center; }

/* Alerts */
.alert { padding: 12px 14px; border-radius: 8px; margin: 0 0 12px; font-size: 14px; }
.alert ul { margin: 0; padding-left: 18px; }
.alert-error  { background: rgba(239, 68, 68, .1); border: 1px solid rgba(239, 68, 68, .3); color: #fca5a5; }
.alert-warn   { background: rgba(245, 158, 11, .1); border: 1px solid rgba(245, 158, 11, .3); color: #fcd34d; }
.alert-success{ background: rgba(34, 197, 94, .1); border: 1px solid rgba(34, 197, 94, .3); color: #86efac; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
@media (max-width: 760px) { .features { grid-template-columns: 1fr; } }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.feature h3 { margin: 0 0 6px; font-size: 16px; color: var(--text); }
.feature p { color: var(--muted); font-size: 13px; margin: 0; }

/* Product Card */
.product-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.product-list .grid-2 {
    gap: 24px;
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
    border-color: rgba(124, 58, 237, 0.4);
}
.product-card img {
    border-radius: 8px;
    object-fit: cover;
    aspect-ratio: 16/9;
}
.product-card h2 {
    font-size: 20px;
    margin-bottom: 8px;
}
.product-card .muted {
    font-size: 14px;
    line-height: 1.6;
}

/* Checkout */
.checkout h1 { font-size: 28px; margin: 0 0 4px; }
.checkout-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 24px; margin-top: 24px; align-items: start; }
@media (max-width: 800px) { .checkout-grid { grid-template-columns: 1fr; } }

.amount-card { background: var(--accent-soft); border: 1px solid rgba(124, 58, 237, .3); border-radius: var(--radius); padding: 24px; text-align: center; }
.amount-label { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.amount-big { font-size: 36px; font-weight: 700; letter-spacing: -.02em; margin: 8px 0; }
.amount-hint { color: var(--muted); font-size: 12px; }
.amount-hint code { background: rgba(255,255,255,.06); padding: 1px 6px; border-radius: 3px; color: var(--accent); }

.countdown { text-align: center; margin-top: 20px; }
#countdown { font-size: 26px; font-weight: 700; letter-spacing: .04em; font-variant-numeric: tabular-nums; color: var(--warn); }
#countdown.expired { color: var(--err); }

.checkout-wallet, .checkout-status { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.checkout-wallet h2, .checkout-status h2 { font-size: 16px; margin: 0 0 12px; }

.wallet-block { margin-bottom: 18px; }
.wallet-block label { display: block; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.wallet-block .warn { color: #fcd34d; font-size: 12px; margin-top: 8px; }
.copy-row { display: flex; gap: 8px; align-items: stretch; }
.copy-row input { flex: 1; }

.mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; }
.small { font-size: 12px; }
.muted { color: var(--muted); }

.qr { display: flex; align-items: center; justify-content: center; background: #fff; border-radius: 8px; padding: 8px; }
.qr canvas, .qr svg { width: 100% !important; height: 100% !important; }

/* Status page */
.status-page h1 { font-size: 28px; margin: 0 0 4px; }
.status-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-top: 20px; }
.status-head h2 { margin: 0 0 16px; font-size: 22px; }
.status-details .row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.status-details .row span { color: var(--muted); }
.status-details .row.total { border-bottom: none; padding-top: 12px; }

/* Track page */
.track-page h1 { font-size: 28px; margin: 0 0 4px; }
.track-form { display: flex; gap: 8px; margin: 24px 0; }
.track-form input { flex: 1; }
.track-form input { padding: 12px; background: var(--card); border: 1px solid var(--line); color: var(--text); border-radius: 8px; }

/* Error / maintenance */
.error-page, .maintenance { text-align: center; padding: 80px 0; }
.error-page h1, .maintenance h1 { font-size: 32px; margin: 0 0 8px; }

/* FAQ / Terms */
.faq-page h1, .terms-page h1 { font-size: 28px; margin: 0 0 8px; }
.faq-page details, .terms-page h2 + p { margin: 0 0 12px; }
.faq-page details { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 18px; margin-bottom: 10px; }
.faq-page summary { cursor: pointer; font-weight: 600; font-size: 16px; }
.faq-page details[open] summary { margin-bottom: 8px; }
.faq-page p { color: var(--muted); margin: 0 0 8px; font-size: 14px; line-height: 1.6; }
.faq-page code { background: rgba(255,255,255,.06); padding: 1px 6px; border-radius: 3px; color: var(--accent); font-size: 12px; }
.terms-page p { color: var(--muted); line-height: 1.7; font-size: 14px; }
.terms-page h2 { font-size: 18px; margin: 24px 0 8px; }

/* =====================================================
   QR placeholder - actual QR rendered via qrcodejs
   ===================================================== */
.qr canvas { image-rendering: pixelated; }