/* ==========================================================================
   RoboTerk Shop — BASE LAYER (โครงสร้าง / layout / grid / spacing)
   ภาษาภาพ (สี, เส้น, เงา, typography) อยู่ใน theme-2026.css ซึ่งโหลดต่อท้าย
   ========================================================================== */
:root {
    --bg: #070b14;
    --bg2: #0b1120;
    --card: #101828;
    --card2: #0d1526;
    --line: rgba(148, 163, 184, .16);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --cyan: #22d3ee;
    --violet: #8b5cf6;
    --amber: #f59e0b;
    --green: #34d399;
    --red: #f87171;
    --radius: 18px;
    --shadow: 0 18px 40px rgba(2, 6, 23, .55);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background:
        radial-gradient(1100px 500px at 85% -10%, rgba(139, 92, 246, .16), transparent 60%),
        radial-gradient(900px 420px at 8% 0%, rgba(34, 211, 238, .12), transparent 55%),
        var(--bg);
    color: var(--text);
    font-family: 'Kanit', system-ui, -apple-system, 'Segoe UI', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h2 { font-size: clamp(1.3rem, 2.4vw, 1.8rem); }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 .8rem; }
img { max-width: 100%; }

.container { width: min(1180px, 92%); margin: 0 auto; }
.container.narrow { width: min(820px, 92%); }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.grad {
    background: linear-gradient(92deg, var(--cyan), var(--violet));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== nav ===== */
.nav {
    position: sticky; top: 0; z-index: 40;
    backdrop-filter: blur(14px);
    background: rgba(7, 11, 20, .78);
    border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 1.4rem; padding: .75rem 0; }
.brand { display: flex; align-items: center; gap: .55rem; font-family: 'Space Grotesk', 'Kanit', sans-serif; font-size: 1.25rem; font-weight: 700; }
.brand.small { font-size: 1.05rem; }
.brand-logo { font-size: 1.5rem; }
.brand-text .accent { color: var(--cyan); }
.nav-links { display: flex; gap: 1.2rem; margin-left: auto; font-size: .98rem; }
.nav-links a { color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--cyan); }
.nav-actions { display: flex; align-items: center; }
.cart-pill {
    display: inline-flex; align-items: center; gap: .45rem;
    padding: .5rem .95rem; border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--card);
    font-size: .95rem;
    transition: border-color .2s, transform .2s;
}
.cart-pill:hover { border-color: var(--cyan); transform: translateY(-1px); }
.cart-badge {
    display: inline-grid; place-items: center;
    min-width: 1.5rem; height: 1.5rem; padding: 0 .4rem;
    border-radius: 999px;
    background: linear-gradient(92deg, var(--cyan), var(--violet));
    color: #041018; font-weight: 600; font-size: .85rem;
}

.flash-bar {
    margin-top: 1rem; padding: .7rem 1.1rem;
    border: 1px solid rgba(52, 211, 153, .35);
    background: rgba(52, 211, 153, .1);
    border-radius: 12px; font-size: .95rem;
}

/* ===== buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    border: 1px solid transparent; border-radius: 12px;
    padding: .62rem 1.15rem;
    font: inherit; font-weight: 500; font-size: .98rem;
    cursor: pointer; white-space: nowrap;
    transition: transform .15s, box-shadow .2s, border-color .2s, background .2s;
}
.btn:active { transform: scale(.97); }
.btn-primary {
    background: linear-gradient(92deg, var(--cyan), var(--violet));
    color: #041018; font-weight: 600;
    box-shadow: 0 10px 26px rgba(34, 211, 238, .25);
}
.btn-primary:hover { box-shadow: 0 14px 32px rgba(139, 92, 246, .38); }
.btn-ghost {
    background: var(--card); color: var(--text);
    border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--cyan); }
.btn-ai {
    background: rgba(139, 92, 246, .16);
    border-color: rgba(139, 92, 246, .5);
    color: #ddd6fe;
}
.btn-ai:hover { background: rgba(139, 92, 246, .28); }
.btn-lg { padding: .8rem 1.5rem; font-size: 1.05rem; border-radius: 14px; }
.btn-sm { padding: .4rem .8rem; font-size: .88rem; border-radius: 10px; }
.btn-block { width: 100%; }
.btn-icon {
    border: 1px solid var(--line); background: transparent; color: var(--muted);
    width: 2rem; height: 2rem; border-radius: 10px; cursor: pointer; font-size: 1rem;
}
.btn-icon:hover { color: var(--red); border-color: rgba(248, 113, 113, .5); }

/* ===== hero ===== */
.hero { padding: 3.2rem 0 1.5rem; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 2.5rem; align-items: center; }
.hero-badge {
    display: inline-block; margin-bottom: 1rem;
    padding: .38rem .9rem; border-radius: 999px;
    border: 1px solid rgba(34, 211, 238, .4);
    background: rgba(34, 211, 238, .08);
    font-size: .88rem; color: #a5f3fc;
}
.hero-sub { color: var(--muted); font-size: 1.05rem; max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.4rem 0 2rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 1.6rem; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; color: var(--cyan); }
.hero-stats span { font-size: .85rem; color: var(--muted); }

.hero-art { position: relative; height: 360px; }
.orb { position: absolute; display: grid; place-items: center; border-radius: 50%; }
.orb-main {
    width: 230px; height: 230px; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    font-size: 6rem;
    background: radial-gradient(circle at 32% 30%, rgba(34, 211, 238, .35), rgba(139, 92, 246, .28) 55%, rgba(13, 21, 38, .2));
    border: 1px solid rgba(34, 211, 238, .35);
    box-shadow: 0 0 90px rgba(34, 211, 238, .28), inset 0 0 60px rgba(139, 92, 246, .25);
    animation: floaty 5.5s ease-in-out infinite;
}
.orb-small {
    width: 76px; height: 76px; font-size: 2rem;
    background: var(--card); border: 1px solid var(--line);
    box-shadow: var(--shadow);
    animation: floaty 4.5s ease-in-out infinite;
}
.orb-small.o1 { top: 6%; left: 12%; animation-delay: .4s; }
.orb-small.o2 { top: 16%; right: 6%; animation-delay: 1.2s; }
.orb-small.o3 { bottom: 4%; left: 48%; animation-delay: 2s; }
.float-chip {
    position: absolute; font-size: .8rem; color: #a5f3fc;
    background: rgba(13, 21, 38, .85); border: 1px solid rgba(34, 211, 238, .35);
    padding: .3rem .7rem; border-radius: 999px;
    backdrop-filter: blur(6px);
}
.float-chip.c1 { left: 0; bottom: 18%; }
.float-chip.c2 { right: 4%; bottom: 30%; }
.float-chip.c3 { top: 2%; right: 28%; }

@keyframes floaty {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
.orb-main { animation-name: floaty-center; }
@keyframes floaty-center {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-14px); }
}

/* ===== sections ===== */
.section { padding: 2.6rem 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.3rem; }
.section-head.center { flex-direction: column; align-items: center; text-align: center; }
.section-sub { color: var(--muted); }
.link-more { color: var(--cyan); font-size: .95rem; }
.link-more:hover { text-decoration: underline; }

.page-head { padding: 2.4rem 0 0; }
.page-head p { color: var(--muted); }

/* ===== product grid & cards ===== */
.product-grid {
    display: grid; gap: 1.2rem;
    grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
}
.product-card {
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, var(--card), var(--card2));
    border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden;
    transition: transform .22s, border-color .22s, box-shadow .22s;
}
.product-card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, .45); box-shadow: var(--shadow); }
.product-thumb {
    position: relative; display: grid; place-items: center;
    height: 150px;
    background:
        radial-gradient(240px 120px at 50% 120%, color-mix(in srgb, var(--accent, #22d3ee) 40%, transparent), transparent 70%),
        rgba(13, 21, 38, .6);
    border-bottom: 1px solid var(--line);
}
.product-emoji { font-size: 3.4rem; transition: transform .25s; }
.product-card:hover .product-emoji { transform: scale(1.12) rotate(-4deg); }
.badge-cat {
    position: absolute; top: .6rem; left: .6rem;
    font-size: .7rem; color: #bae6fd;
    background: rgba(8, 15, 30, .8); border: 1px solid var(--line);
    padding: .18rem .55rem; border-radius: 999px;
}
.badge-sale {
    position: absolute; top: .6rem; right: .6rem;
    font-size: .72rem; font-weight: 600; color: #450a0a;
    background: linear-gradient(92deg, #fca5a5, #f87171);
    padding: .18rem .55rem; border-radius: 999px;
}
.badge-sale.big { font-size: .9rem; padding: .35rem .8rem; top: 1rem; right: 1rem; }

.product-body { display: flex; flex-direction: column; gap: .45rem; padding: .95rem 1rem 1.05rem; flex: 1; }
.product-name { font-size: 1.05rem; margin: 0; }
.product-name a:hover { color: var(--cyan); }
.product-tagline { color: var(--muted); font-size: .86rem; margin: 0; min-height: 2.4em; }
.product-meta { display: flex; gap: .9rem; font-size: .82rem; color: var(--muted); }
.rating { color: #fbbf24; }
.product-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: .6rem; padding-top: .5rem; }
.price-box { display: flex; flex-direction: column; }
.price { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.22rem; color: var(--cyan); }
.old-price { color: var(--muted); font-size: .8rem; text-decoration: line-through; }

/* ===== shop tools ===== */
.shop-tools { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1rem; }
.chips-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
    display: inline-block; padding: .34rem .85rem;
    border: 1px solid var(--line); border-radius: 999px;
    background: var(--card); color: var(--muted); font-size: .88rem;
    transition: all .2s;
}
.chip:hover { border-color: var(--cyan); color: var(--text); }
.chip.active { background: linear-gradient(92deg, var(--cyan), var(--violet)); color: #041018; font-weight: 600; border-color: transparent; }
.chip.static { cursor: default; color: #a5f3fc; }
.search-row { display: flex; gap: .6rem; }
.search-row input {
    flex: 1; padding: .65rem 1rem;
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    color: var(--text); font: inherit;
}
.search-row input:focus { outline: none; border-color: var(--cyan); }
.result-count { color: var(--muted); font-size: .92rem; }

.empty-state { text-align: center; padding: 3.4rem 1rem; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty-emoji { font-size: 3.2rem; margin-bottom: .6rem; }
.empty-state p { color: var(--muted); }

/* ===== details ===== */
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .45rem; color: var(--muted); font-size: .88rem; margin-bottom: 1.4rem; }
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs .current { color: var(--text); }

.detail-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 2.2rem; align-items: start; }
.detail-thumb {
    position: relative; display: grid; place-items: center;
    min-height: 340px;
    background:
        radial-gradient(420px 260px at 50% 110%, color-mix(in srgb, var(--accent, #22d3ee) 45%, transparent), transparent 70%),
        linear-gradient(180deg, var(--card), var(--card2));
    border: 1px solid var(--line); border-radius: var(--radius);
}
.detail-emoji { font-size: 8rem; filter: drop-shadow(0 16px 30px rgba(0, 0, 0, .45)); }
.detail-info h1 { margin-bottom: .2rem; }
.detail-info .tagline { color: var(--muted); font-size: 1.02rem; }
.detail-price { display: flex; align-items: baseline; gap: .8rem; margin: 1rem 0; }
.detail-price .price { font-size: 1.9rem; }
.detail-desc { color: #cbd5e1; }
.buy-row { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.2rem 0; }
.buy-form { display: flex; align-items: center; gap: .8rem; }
.qty-label { display: flex; align-items: center; gap: .5rem; color: var(--muted); font-size: .92rem; }
.qty-input, .checkout-form input, .checkout-form textarea {
    background: var(--card); border: 1px solid var(--line); border-radius: 10px;
    color: var(--text); font: inherit; padding: .5rem .7rem;
}
.qty-input { width: 5rem; }
.qty-input:focus, .checkout-form input:focus, .checkout-form textarea:focus { outline: none; border-color: var(--cyan); }
.perks { list-style: none; display: flex; flex-wrap: wrap; gap: 1rem; padding: 0; margin: 0; color: var(--muted); font-size: .9rem; }

.detail-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 2rem; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.4rem; }
.spec-list { margin: 0; padding-left: 1.2rem; color: #cbd5e1; }
.spec-list li { margin-bottom: .4rem; }
.ai-panel-card { background: linear-gradient(180deg, rgba(139, 92, 246, .12), var(--card)); border-color: rgba(139, 92, 246, .35); }
.ai-card-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.related .section-head { margin-top: 1rem; }

/* ===== cart ===== */
.cart-layout { display: grid; grid-template-columns: 1.35fr 1fr; gap: 1.6rem; align-items: start; }
.cart-list { display: flex; flex-direction: column; gap: .8rem; }
.cart-item {
    display: flex; align-items: center; gap: 1rem;
    background: var(--card); border: 1px solid var(--line); border-radius: 14px;
    padding: .85rem 1rem;
}
.cart-emoji { font-size: 1.9rem; }
.cart-info { display: flex; flex-direction: column; flex: 1; }
.cart-name { font-weight: 500; }
.cart-name:hover { color: var(--cyan); }
.cart-unit { color: var(--muted); font-size: .85rem; }
.cart-line-total { font-family: 'Space Grotesk', sans-serif; font-weight: 600; color: var(--cyan); }
.cart-total-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 1.1rem; border-radius: 14px;
    background: rgba(34, 211, 238, .07); border: 1px solid rgba(34, 211, 238, .3);
    font-size: 1.05rem;
}
.cart-total-row strong { font-family: 'Space Grotesk', sans-serif; font-size: 1.35rem; color: var(--cyan); }

.checkout-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; }
.checkout-form { display: flex; flex-direction: column; gap: .9rem; }
.checkout-form label { display: flex; flex-direction: column; gap: .35rem; font-size: .92rem; color: var(--muted); }
.checkout-form input, .checkout-form textarea { color: var(--text); }
.field-error { color: var(--red); font-size: .82rem; }
.validation-summary { color: var(--red); font-size: .88rem; }
.validation-summary:empty { display: none; }
.validation-summary ul { margin: .3rem 0; padding-left: 1.2rem; }

/* ===== success ===== */
.success-card { text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.4rem 1.8rem; }
.success-emoji { font-size: 3.4rem; }
.order-box, .order-items {
    text-align: left; margin: 1.2rem 0;
    border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
}
.order-row {
    display: flex; justify-content: space-between; gap: 1rem;
    padding: .7rem 1.1rem; font-size: .94rem;
    border-bottom: 1px solid var(--line);
}
.order-row:last-child { border-bottom: none; }
.order-row span:first-child { color: var(--muted); }
.order-row.total { background: rgba(34, 211, 238, .07); }
.order-row.total strong { color: var(--cyan); font-family: 'Space Grotesk', sans-serif; }
.status-chip { color: var(--amber); }
.success-actions { display: flex; justify-content: center; gap: .8rem; margin-top: 1.4rem; flex-wrap: wrap; }

/* ===== spotlight / features ===== */
.ai-spotlight { background: linear-gradient(180deg, rgba(139, 92, 246, .07), transparent); }
.spotlight-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.4rem; align-items: center; }
.spotlight-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .45rem; color: #cbd5e1; }
.spotlight-steps { display: flex; flex-direction: column; gap: .9rem; }
.step-card {
    display: flex; gap: 1rem; align-items: flex-start;
    background: var(--card); border: 1px solid var(--line); border-radius: 14px;
    padding: 1rem 1.1rem;
}
.step-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.step-num {
    display: grid; place-items: center; flex: none;
    width: 2rem; height: 2rem; border-radius: 50%;
    background: linear-gradient(92deg, var(--cyan), var(--violet));
    color: #041018; font-weight: 700; font-family: 'Space Grotesk', sans-serif;
}

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.feature-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.4rem 1.3rem; text-align: center;
}
.feature-icon { font-size: 2rem; display: block; margin-bottom: .5rem; }
.feature-card p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ===== footer ===== */
.footer { margin-top: 3rem; border-top: 1px solid var(--line); background: rgba(8, 13, 24, .8); }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; padding: 2.2rem 0 1.2rem; }
.footer-col p { color: var(--muted); font-size: .9rem; max-width: 30rem; }
.footer-col h4 { margin-bottom: .6rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .35rem; color: var(--muted); font-size: .92rem; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem;
    border-top: 1px solid var(--line); padding: 1rem 0 1.4rem;
    color: var(--muted); font-size: .82rem;
}

/* ===== AI chat widget ===== */
#ai-widget { position: fixed; right: 22px; bottom: 22px; z-index: 60; }

.ai-toggle {
    position: relative;
    width: 62px; height: 62px; border-radius: 50%;
    border: 1px solid rgba(34, 211, 238, .45);
    background: linear-gradient(135deg, rgba(34, 211, 238, .25), rgba(139, 92, 246, .3)), var(--card);
    cursor: pointer;
    box-shadow: 0 14px 34px rgba(2, 6, 23, .6), 0 0 40px rgba(34, 211, 238, .25);
    transition: transform .2s;
}
.ai-toggle:hover { transform: scale(1.07); }
.ai-toggle-icon { font-size: 1.7rem; }
.ai-toggle-pulse {
    position: absolute; inset: -4px; border-radius: 50%;
    border: 2px solid rgba(34, 211, 238, .5);
    animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
    0% { transform: scale(.92); opacity: .9; }
    70% { transform: scale(1.25); opacity: 0; }
    100% { transform: scale(1.25); opacity: 0; }
}
.ai-toggle.hidden { display: none; }

.ai-panel {
    display: none;
    position: absolute; right: 0; bottom: 0;
    width: 392px; max-width: calc(100vw - 44px);
    height: min(600px, calc(100vh - 44px));
    background: linear-gradient(180deg, #0d1526, #0a101e);
    border: 1px solid rgba(34, 211, 238, .3);
    border-radius: 20px;
    box-shadow: 0 26px 60px rgba(2, 6, 23, .75);
    overflow: hidden;
}
.ai-panel.open { display: flex; flex-direction: column; animation: aiIn .25s ease-out; }
@keyframes aiIn {
    from { opacity: 0; transform: translateY(14px) scale(.98); }
    to { opacity: 1; transform: none; }
}

.ai-head {
    display: flex; align-items: center; gap: .7rem;
    padding: .8rem 1rem;
    background: linear-gradient(92deg, rgba(34, 211, 238, .14), rgba(139, 92, 246, .16));
    border-bottom: 1px solid var(--line);
}
.ai-head-avatar {
    width: 2.4rem; height: 2.4rem; border-radius: 50%;
    display: grid; place-items: center; font-size: 1.3rem;
    background: rgba(8, 15, 30, .7); border: 1px solid rgba(34, 211, 238, .4);
}
.ai-head-info { display: flex; flex-direction: column; flex: 1; }
.ai-head-info strong { font-size: .98rem; }
.ai-status { font-size: .78rem; color: var(--muted); }
.ai-status.ok { color: var(--green); }
.ai-status.off { color: var(--red); }
.ai-close { border: none; background: transparent; color: var(--muted); font-size: 1.05rem; cursor: pointer; padding: .3rem; }
.ai-close:hover { color: var(--text); }

.ai-messages { flex: 1; overflow-y: auto; padding: 1rem .9rem; display: flex; flex-direction: column; gap: .75rem; }
.ai-msg { display: flex; gap: .55rem; align-items: flex-start; }
.ai-msg.user { flex-direction: row-reverse; }
.ai-msg-avatar {
    flex: none; width: 1.9rem; height: 1.9rem; border-radius: 50%;
    display: grid; place-items: center; font-size: .95rem;
    background: rgba(8, 15, 30, .8); border: 1px solid var(--line);
}
.ai-bubble {
    max-width: 82%;
    padding: .6rem .8rem; border-radius: 14px;
    background: var(--card); border: 1px solid var(--line);
    font-size: .92rem; line-height: 1.55;
    overflow-wrap: anywhere;
}
.ai-msg.user .ai-bubble {
    background: linear-gradient(92deg, rgba(34, 211, 238, .2), rgba(139, 92, 246, .22));
    border-color: rgba(34, 211, 238, .35);
}
.ai-msg.error .ai-bubble { border-color: rgba(248, 113, 113, .5); background: rgba(248, 113, 113, .08); }
.ai-bubble p { margin: 0 0 .4rem; }
.ai-bubble p:last-child { margin-bottom: 0; }
.ai-bubble ul { margin: .3rem 0; padding-left: 1.2rem; }
.ai-bubble pre {
    background: rgba(2, 6, 23, .7); border: 1px solid var(--line);
    border-radius: 10px; padding: .6rem .7rem; overflow-x: auto; font-size: .85rem;
}
.ai-bubble code { font-family: 'Consolas', monospace; font-size: .86em; color: var(--cyan); }

.typing { display: inline-flex; gap: .3rem; padding: .2rem 0; }
.typing i {
    width: .45rem; height: .45rem; border-radius: 50%;
    background: var(--muted); animation: blink 1.1s infinite;
}
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 70%, 100% { opacity: .25; } 35% { opacity: 1; } }
.cursor { display: inline-block; width: .5rem; animation: blink 1s infinite; color: var(--cyan); }

.ai-chips { display: flex; flex-wrap: wrap; gap: .4rem; padding: 0 .9rem .55rem; }
.ai-chips button {
    border: 1px solid var(--line); background: rgba(13, 21, 38, .8);
    color: var(--muted); font: inherit; font-size: .8rem;
    padding: .28rem .65rem; border-radius: 999px; cursor: pointer;
    transition: all .2s;
}
.ai-chips button:hover { border-color: var(--cyan); color: var(--text); }

.ai-input-row {
    display: flex; align-items: flex-end; gap: .5rem;
    padding: .7rem .8rem .9rem;
    border-top: 1px solid var(--line);
    background: rgba(8, 13, 24, .6);
}
.ai-input-row textarea {
    flex: 1; resize: none; max-height: 120px;
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    color: var(--text); font: inherit; font-size: .92rem;
    padding: .55rem .75rem;
}
.ai-input-row textarea:focus { outline: none; border-color: var(--cyan); }
.ai-send, .ai-mic {
    flex: none; width: 2.6rem; height: 2.6rem; border-radius: 12px;
    border: 1px solid transparent; cursor: pointer; font-size: 1.05rem;
}
.ai-send { background: linear-gradient(92deg, var(--cyan), var(--violet)); color: #041018; }
.ai-send:disabled { opacity: .5; cursor: not-allowed; }
.ai-mic {
    background: var(--card); color: var(--text);
    border-color: var(--line);
}
.ai-mic:hover { border-color: var(--cyan); }
.ai-mic.recording {
    background: rgba(248, 113, 113, .18); border-color: rgba(248, 113, 113, .6);
    animation: recPulse 1.1s ease-in-out infinite;
}
@keyframes recPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(248, 113, 113, .45); } 50% { box-shadow: 0 0 0 8px rgba(248, 113, 113, 0); } }

/* ===== reveal ===== */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== responsive ===== */
@media (max-width: 980px) {
    .hero-inner, .spotlight-inner { grid-template-columns: 1fr; }
    .hero-art { height: 300px; }
    .detail-grid, .detail-columns, .cart-layout { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 1.2rem; }
}
@media (max-width: 640px) {
    .nav-links { display: none; }
    .cart-pill-text { display: none; }
    .ai-panel {
        position: fixed; right: 12px; left: 12px; bottom: 12px;
        width: auto; max-width: none;
        height: min(74vh, 620px);
    }
    #ai-widget { right: 16px; bottom: 16px; }
    .hero { padding-top: 2rem; }
    .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
}