/* ---------- Botones ---------- */
.btn {
    display: inline-block;
    padding: .65rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--color-primary);
    color: var(--on-primary);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: filter .15s ease, transform .1s ease;
}
.btn:hover { filter: brightness(.92); }
.btn:active { transform: translateY(1px); }

.btn--light { background: #fff; color: var(--color-secondary); }
.btn--small { padding: .35rem .8rem; font-size: .875rem; }
.btn--block { display: block; width: 100%; padding-block: .85rem; font-size: 1.05rem; }

.btn[disabled], .btn--disabled {
    opacity: .5;
    cursor: not-allowed;
    filter: none;
    transform: none;
}
.btn--disabled { pointer-events: none; }

/* Botón con aspecto de enlace (acciones secundarias dentro de formularios) */
.link-button {
    padding: 0;
    border: 0;
    background: none;
    color: var(--color-muted);
    font-size: .9rem;
    text-decoration: underline;
    cursor: pointer;
}
.link-button:hover { color: var(--color-danger); }

/* ---------- Utilidades ---------- */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }
.muted { color: var(--color-muted); font-size: .9rem; }
.empty { padding: 2rem 0; color: var(--color-muted); }

/* Campo trampa anti-bots: fuera de pantalla (no display:none, que algunos bots detectan) */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }

/* ---------- Navegación auxiliar ---------- */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; list-style: none; }
.chips a { display: block; padding: .35rem .9rem; border: 1px solid var(--color-border); border-radius: var(--radius-pill); text-decoration: none; transition: background .15s ease, border-color .15s ease; }
.chips a:hover { background: var(--color-surface); border-color: var(--color-primary); }

.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .25rem; padding: 0; margin: 1rem 0; list-style: none; font-size: .9rem; color: var(--color-muted); }
.breadcrumb li + li::before { content: "/"; margin-right: .25rem; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--color-text); }

.pagination { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center; margin: 2rem 0; }
.pagination a, .pagination span { padding: .35rem .7rem; border: 1px solid var(--color-border); border-radius: var(--radius); text-decoration: none; }
.pagination a:hover { background: var(--color-surface); }
.pagination .pagination__current { background: var(--color-primary); border-color: var(--color-primary); color: var(--on-primary); }
.pagination .pagination__gap { border-color: transparent; }

/* ---------- Etiquetas ---------- */
.badge { position: absolute; top: .5rem; padding: .15rem .5rem; border-radius: var(--radius); font-size: .75rem; font-weight: 700; color: #fff; }
.badge--sale { left: .5rem; background: #dc2626; }
.badge--out { right: .5rem; background: #374151; }

/* ---------- Avisos (mensajes flash y errores de formulario) ---------- */
.alert {
    margin-block: 1rem;
    padding: .75rem 1rem;
    border: 1px solid var(--color-border);
    border-left-width: 4px;
    border-radius: var(--radius);
    background: var(--color-surface);
}
.alert--success { border-color: var(--color-success); background: var(--color-success-bg); color: #14532d; }
.alert--error { border-color: var(--color-danger); background: var(--color-danger-bg); color: #7f1d1d; }
.alert ul { margin-top: .4rem; padding-left: 1.25rem; }

/* ---------- Toasts (Store.notify) ---------- */
.toasts {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: .5rem;
    pointer-events: none;
}
.toast {
    max-width: 24rem;
    padding: .75rem 1rem;
    border-radius: var(--radius);
    background: var(--color-secondary);
    color: #fff;
    box-shadow: 0 8px 24px rgb(0 0 0 / .25);
    pointer-events: auto;
    animation: toast-in .25s ease-out, toast-out .4s ease-in 3.6s forwards;
}
.toast--success { border-left: 4px solid #22c55e; }
.toast--error { border-left: 4px solid #ef4444; background: #7f1d1d; }

@keyframes toast-in { from { opacity: 0; transform: translateY(.75rem); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(.5rem); } }

@media (min-width: 40rem) {
    .toasts { left: auto; }
}

/* ---------- Formularios ---------- */
.field { display: flex; flex-direction: column; gap: .25rem; font-size: .9rem; font-weight: 600; }

.field input, .field select, .field textarea {
    width: 100%;
    padding: .45rem .7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
    font-size: 1rem; /* 16px: evita el zoom automático en iOS */
    font-weight: 400;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 0; border-color: var(--color-primary); }
.field [aria-invalid="true"] { border-color: var(--color-danger); background: var(--color-danger-bg); }
.field__error { color: var(--color-danger); font-size: .85rem; font-weight: 400; }

/* Opción de radio/checkbox en tarjeta (método de pago) */
.choice {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    padding: .85rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease;
}
.choice:hover { border-color: var(--color-primary); }
.choice input { flex: none; width: 1.1rem; height: 1.1rem; margin-top: .2rem; accent-color: var(--color-primary); }
.choice:has(input:checked) { border-color: var(--color-primary); background: var(--color-surface); box-shadow: 0 0 0 1px var(--color-primary); }
.choice:has(input:focus-visible) { outline: 2px solid var(--color-primary); outline-offset: 2px; }