/* =========================================
   BOTONERA PREMIUM - Sistema Reutilizable
   Agregar al final de estilostarjetas.css
   ========================================= */

.botonera-premium {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding-top: 0;
    margin-top: 2.5rem; /* ~1cm de margen superior para que respire */
}

/* =========================================
   BOTÓN PRINCIPAL DE ACCIÓN
   ========================================= */

.btn-premium-accion {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.5rem;
    border-radius: 50rem;
    border: none;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

    .btn-premium-accion:hover {
        transform: translateY(-1px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
    }

    .btn-premium-accion:active {
        transform: translateY(0);
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    }

    .btn-premium-accion i {
        font-size: 0.875rem;
        opacity: 0.9;
    }

/* Variante: Guardar / Crear */
.btn-premium-guardar {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
}

    .btn-premium-guardar:hover {
        background: linear-gradient(135deg, #059669 0%, #047857 100%);
        color: #ffffff;
    }

/* Variante: Modificar / Actualizar */
.btn-premium-modificar {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
}

    .btn-premium-modificar:hover {
        background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
        color: #ffffff;
    }

/* =========================================
   BOTÓN SECUNDARIO (Volver / Cancelar)
   ========================================= */

.btn-premium-secundario {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.5rem;
    border-radius: 50rem;
    border: 1px solid #e2e8f0;
    background-color: #ffffff;
    color: #64748b;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

    .btn-premium-secundario:hover {
        background-color: #f8fafc;
        color: #334155;
        border-color: #cbd5e1;
        transform: translateY(-1px);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
        text-decoration: none;
    }

    .btn-premium-secundario:active {
        transform: translateY(0);
        background-color: #f1f5f9;
    }

    .btn-premium-secundario i {
        font-size: 0.875rem;
        opacity: 0.8;
    }

/* =========================================
   RESPONSIVIDAD MOBILE
   ========================================= */

@media (max-width: 576px) {
    .botonera-premium {
        gap: 0.5rem;
        flex-wrap: wrap;
        margin-top: 2rem; /* Menos margen en mobile */
    }

    .btn-premium-accion,
    .btn-premium-secundario {
        padding: 0.45rem 1.25rem;
        font-size: 0.8125rem;
    }

        .btn-premium-accion i,
        .btn-premium-secundario i {
            font-size: 0.8125rem;
        }
}

/* =========================================
   ESTADOS DISABLED
   ========================================= */

.btn-premium-accion:disabled,
.btn-premium-accion.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-premium-secundario:disabled,
.btn-premium-secundario.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* =========================================
   ENFOQUE / ACCESIBILIDAD
   ========================================= */

.btn-premium-accion:focus,
.btn-premium-secundario:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

    .btn-premium-accion:focus:not(:focus-visible),
    .btn-premium-secundario:focus:not(:focus-visible) {
        outline: none;
    }

/* =========================================
   ANIMACIÓN DE LOADING (Opcional)
   ========================================= */

.btn-premium-accion.loading {
    pointer-events: none;
    position: relative;
    color: transparent;
}

    .btn-premium-accion.loading::after {
        content: "";
        position: absolute;
        width: 16px;
        height: 16px;
        top: 50%;
        left: 50%;
        margin-left: -8px;
        margin-top: -8px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        border-top-color: #ffffff;
        animation: spinner 0.6s linear infinite;
    }

@keyframes spinner {
    to {
        transform: rotate(360deg);
    }
}