*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
    --pink:#F6AFCB;
    --pink-light:#FAD6E5;
    --pink-mid:#E98FB3;
    --pink-deep:#D96A9E;
    --dark:#2E2E2E;
    --white:#FFFFFF;
    --gray-bg:#F8F8F8;
    --font-display:'Playfair Display',Georgia,serif;
    --font-body:'Lato',Helvetica,sans-serif;
    --ease:cubic-bezier(.22,1,.36,1);
}

html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--dark);background:var(--gray-bg);min-height:100vh;display:flex;flex-direction:column}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button{border:none;background:none;cursor:pointer;font-family:inherit}
input,textarea,select{font-family:inherit;border:none;outline:none}
.container{width:90%;max-width:1100px;margin:0 auto}

.checkout-nav{
    position:sticky;top:0;z-index:100;
    padding:14px 0;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(12px);
    box-shadow:0 2px 20px rgba(0,0,0,.05);
}
.nav-inner{
    width:90%;max-width:1100px;margin:0 auto;
    display:flex;align-items:center;justify-content:space-between;
}
.back-link{
    display:flex;align-items:center;gap:8px;
    font-size:.85rem;font-weight:600;letter-spacing:.5px;transition:color .3s;
}
.back-link:hover{color:var(--pink-deep)}
.back-link:hover svg{transform:translateX(-4px)}
.back-link svg{transition:transform .3s}
.nav-logo img{width:42px;height:42px;border-radius:50%;object-fit:cover}

.checkout-page{flex:1;padding:40px 0 80px}

.checkout-header{text-align:center;margin-bottom:48px}
.checkout-header h1{
    font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.4rem);
    font-weight:700;margin-bottom:8px;
}
.checkout-header p{font-size:.95rem;color:#888}

/* ── Nota envío gratis en checkout ── */
.checkout-free-shipping-note{
    display:inline-flex;align-items:center;gap:8px;
    margin-top:14px;padding:10px 22px;
    background:#eafaf1;color:#1e8449;border:1.5px solid #a9dfbf;
    border-radius:50px;font-size:.85rem;letter-spacing:.3px;
}
.checkout-free-shipping-note svg{stroke:#27ae60;flex-shrink:0}

.checkout-grid{
    display:grid;grid-template-columns:1fr 400px;gap:40px;align-items:start;
}

.form-section{
    background:var(--white);padding:32px;border-radius:16px;
    box-shadow:0 4px 24px rgba(0,0,0,.04);margin-bottom:24px;
}
.form-section h2{
    font-family:var(--font-display);font-size:1.2rem;font-weight:600;
    margin-bottom:24px;padding-bottom:12px;border-bottom:1px solid var(--gray-bg);
}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{
    display:block;font-size:.78rem;font-weight:700;
    letter-spacing:.5px;text-transform:uppercase;color:#666;margin-bottom:8px;
}
.form-group input,.form-group textarea{
    width:100%;padding:14px 16px;background:var(--gray-bg);
    border-radius:10px;font-size:.9rem;transition:box-shadow .3s,border .3s;
    border:2px solid transparent;
}
.form-group input:focus,.form-group textarea:focus{
    box-shadow:0 0 0 3px rgba(246,175,203,.3);border-color:var(--pink);background:var(--white);
}
.form-group input.error,.form-group textarea.error{border-color:#e74c3c}
.form-group textarea{resize:vertical}

.billing-section{
    background:var(--white);padding:24px 32px;border-radius:16px;
    box-shadow:0 4px 24px rgba(0,0,0,.04);margin-bottom:24px;
}
.billing-toggle{
    display:flex;align-items:center;gap:12px;cursor:pointer;
    font-size:.88rem;color:#555;user-select:none;
}
.billing-toggle input{display:none}
.toggle-check{
    width:22px;height:22px;border:2px solid #ccc;border-radius:6px;
    display:flex;align-items:center;justify-content:center;
    transition:all .3s;flex-shrink:0;
}
.billing-toggle input:checked~.toggle-check{
    background:var(--pink-deep);border-color:var(--pink-deep);
}
.billing-toggle input:checked~.toggle-check::after{
    content:'✓';color:var(--white);font-size:.7rem;font-weight:bold;
}
.billing-fields{margin-top:24px}
.billing-fields.hidden{display:none}

.order-summary{
    background:var(--white);padding:28px;border-radius:16px;
    box-shadow:0 4px 24px rgba(0,0,0,.04);margin-bottom:20px;
    top:86px;
}
.order-summary h2{
    font-family:var(--font-display);font-size:1.1rem;font-weight:600;
    margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--gray-bg);
}

.summary-items{max-height:300px;overflow-y:auto}
.summary-item{
    display:flex;gap:14px;padding:12px 0;
    border-bottom:1px solid rgba(0,0,0,.04);
}
.summary-item img{width:56px;height:68px;object-fit:cover;border-radius:8px}
.summary-item-info{flex:1}
.summary-item-info h4{font-size:.85rem;margin-bottom:2px}
.summary-item-info .item-meta{font-size:.75rem;color:#999}
.summary-item-info .item-price{font-size:.88rem;font-weight:700;color:var(--pink-deep);margin-top:4px}
.summary-loading{text-align:center;color:#999;padding:20px 0;font-size:.85rem}

.summary-total{
    display:flex;justify-content:space-between;
    font-size:1.2rem;font-weight:700;padding-top:16px;margin-top:8px;
    border-top:2px solid var(--gray-bg);
}

.payment-section{
    background:var(--white);padding:28px;border-radius:16px;
    box-shadow:0 4px 24px rgba(0,0,0,.04);text-align:center;
}

.btn-pay{
    width:100%;padding:16px;display:flex;align-items:center;justify-content:center;gap:10px;
    background:#009EE3;color:var(--white);font-size:.95rem;font-weight:700;
    border-radius:50px;transition:all .3s var(--ease);letter-spacing:.5px;
}
.btn-pay:hover:not(:disabled){background:#0080c0;transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,158,227,.3)}
.btn-pay:disabled{opacity:.5;cursor:not-allowed}
.mp-icon{flex-shrink:0}

.card-icons{
    display:flex;justify-content:center;gap:10px;margin:18px 0 14px;
}

.payment-note{font-size:.82rem;color:#888;line-height:1.5}

/* ── Selector de método de pago ── */
.payment-method-section{
    background:var(--white);padding:24px 28px;border-radius:16px;
    box-shadow:0 4px 24px rgba(0,0,0,.04);margin-bottom:16px;
}
.payment-method-section h3{
    font-family:var(--font-display);font-size:1rem;font-weight:600;
    margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--gray-bg);
}
.payment-methods{display:flex;flex-direction:column;gap:10px}
.payment-method-option{
    display:flex;align-items:center;gap:14px;padding:14px 16px;
    border:2px solid #eee;border-radius:12px;cursor:pointer;
    transition:border-color .25s,background .25s;
}
.payment-method-option:hover{border-color:var(--pink-light)}
.payment-method-option.active{border-color:var(--pink-deep);background:rgba(246,175,203,.06)}
.payment-method-option input{display:none}
.method-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;
    background:var(--gray-bg);border-radius:8px;flex-shrink:0}
.transfer-icon{background:#eafaf1}
.method-info{display:flex;flex-direction:column;gap:2px}
.method-name{font-size:.88rem;font-weight:700;color:var(--dark)}
.method-sub{font-size:.75rem;color:#888}
.method-discount{color:#27ae60;font-weight:700}

/* ── Fila de descuento en resumen ── */
.summary-discount-row{
    display:flex;justify-content:space-between;
    font-size:.88rem;padding-top:10px;margin-top:4px;
    border-top:1px dashed #eee;color:#27ae60;
}
.summary-discount-row.hidden{display:none}
.discount-amount{font-weight:700}

/* ── Fila de envío en resumen ── */
.summary-shipping-row{
    display:flex;justify-content:space-between;
    font-size:.88rem;padding-top:8px;margin-top:4px;
    border-top:1px dashed #eee;color:var(--dark);
}
.summary-shipping-row .shipping-free{
    font-weight:800;color:#27ae60;
}
.summary-shipping-row .shipping-pending{
    font-size:.8rem;color:#999;font-style:italic;
}

/* ── Select de provincia ── */
.form-group select{
    width:100%;padding:14px 16px;background:var(--gray-bg);
    border-radius:10px;font-size:.9rem;transition:box-shadow .3s,border .3s;
    border:2px solid transparent;color:var(--dark);
    appearance:auto;cursor:pointer;
}
.form-group select:focus{
    box-shadow:0 0 0 3px rgba(246,175,203,.3);border-color:var(--pink);background:var(--white);
}
.form-group select.error{border-color:#e74c3c}

/* ── Datos bancarios ── */
.transfer-data{
    background:#eafaf1;border:1.5px solid #a9dfbf;
    padding:20px 24px;border-radius:16px;margin-bottom:16px;
}
.transfer-data.hidden{display:none}
.transfer-data h4{
    font-family:var(--font-display);font-size:1rem;font-weight:600;
    color:#1e8449;margin-bottom:14px;
}
.bank-detail{
    display:flex;align-items:center;justify-content:space-between;
    padding:7px 0;border-bottom:1px solid rgba(0,0,0,.05);font-size:.85rem;
}
.bank-detail:last-of-type{border-bottom:none}
.bank-detail span{color:#555;flex-shrink:0;margin-right:10px}
.bank-detail strong{font-weight:700;word-break:break-all;text-align:right}
.bank-detail.copyable{gap:8px}
.copy-btn{
    background:none;border:none;cursor:pointer;padding:4px;
    color:#27ae60;flex-shrink:0;display:flex;align-items:center;
    border-radius:4px;transition:background .2s;
}
.copy-btn:hover{background:rgba(39,174,96,.15)}
.transfer-instructions{
    font-size:.8rem;color:#555;margin-top:14px;margin-bottom:14px;
    line-height:1.6;
}
.btn-whatsapp{
    display:flex;align-items:center;justify-content:center;gap:8px;
    width:100%;padding:13px;background:#25D366;color:#fff;
    border-radius:50px;font-size:.88rem;font-weight:700;
    text-decoration:none;transition:background .3s;
}
.btn-whatsapp:hover{background:#1ebe5d}

.checkout-footer{
    background:var(--dark);color:rgba(255,255,255,.6);
    padding:24px 0;text-align:center;font-size:.78rem;
}

.checkout-toast{
    position:fixed;bottom:30px;right:30px;
    background:var(--dark);color:var(--white);
    padding:16px 28px;border-radius:12px;font-size:.88rem;
    z-index:100001;transform:translateY(20px);opacity:0;
    transition:all .4s var(--ease);pointer-events:none;
    box-shadow:0 10px 40px rgba(0,0,0,.2);
}
.checkout-toast.visible{transform:translateY(0);opacity:1;pointer-events:auto}
.checkout-toast.error{background:#c0392b}
.checkout-toast.success{background:#27ae60}

@media(max-width:860px){
    .checkout-grid{grid-template-columns:1fr}
    .order-summary{position:static}
}
@media(max-width:560px){
    .form-row{grid-template-columns:1fr}
    .checkout-page{padding:24px 0 60px}
}